US3772120A - Method for applying attaching tapes to pads - Google Patents
Method for applying attaching tapes to pads Download PDFInfo
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- US3772120A US3772120A US00196118A US3772120DA US3772120A US 3772120 A US3772120 A US 3772120A US 00196118 A US00196118 A US 00196118A US 3772120D A US3772120D A US 3772120DA US 3772120 A US3772120 A US 3772120A
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- Prior art keywords
- pads
- tape
- strips
- backing
- tapes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15756—Applying tabs, strips, tapes, loops; Knotting the ends of pads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
- Y10T156/1075—Prior to assembly of plural laminae from single stock and assembling to each other or to additional lamina
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
- Y10T156/1317—Means feeding plural workpieces to be joined
- Y10T156/1322—Severing before bonding or assembling of parts
- Y10T156/1339—Delivering cut part in sequence to serially conveyed articles
Definitions
- ABSTRACT Attaching tapes and tape backing or liner are applied to pads such as disposable diapers as they are advanced past a vacuum roller where strips of tape and tape backing are applied to successive pads to interconnect adjacent pad ends. The connected pads are advanced to a cut-off knife which cuts the tape and tape backing to separate the pads and leave each pad with a lined tape adhered thereto.
- the present invention relates to methods and apparatus for automated application of pressure sensitive attaching tapes to pads.
- Pressure sensitive tapes have been employed with disposable diapers to eliminate the need for diaper pins.
- the problems encountered in applying the tapes and tape backing include proper transfer and positioning of tapes on the pads, registry of the backing on the tape and imposing appropriate adhering pressure on the tape as it is pressed against the pad.
- the method includes the steps of advancing pads separated by a constant interval or gap which is twice the distance of the desired tape length, simultaneously superposing separate strips of tape and tape backing at opposite sides of the path of pad travel and across the gap in overlapping relation on the adjoining pad ends to interconnect the pads, pressing the tape against the tape backing in the gaps to form a firm bond and cutting the tape and tape backing with atransverse cut in the center of the gaps to separate thepads and form attaching tapes of equal length.
- the apparatus employed to practice the invention moves the pads sideways and continuously between a pair of spaced vacuum rollers which apply corresponding lengths of adhesive tape and tape backing across the gaps to connect adjoining pad ends.
- the vacuum rollers desirably have a soft rubber peripheral band which yields as the pads move between the rollers.
- Retractable compression rollers move together when the gaps are registered between the rollers to bond the tape and backing and retract prior to movement of the pad between the rollers to prevent compression of the pad.
- the pads are moved lengthwise in abutting end to end relationship and laterally spaced strips of pre-adhered tape and tape backing (extended liner tape) are simultaneously applied to the adjoining pad ends of every other joint of the pads by two sets of laterally spaced tape cut-off and tape applying units.
- Final cut-off knives subsequently sever the tapes in the joints leaving two attaching extended liner tapes on each pad located within the outline of the pad.
- FIG. I is a fragmentary diagrammatic side elevational view of one embodiment of apparatus employed to practice the invention.
- FIG. 2 is a fragmentary diagrammatic plan view showing the orientation of the pads in FIG. 1.
- FIG. 3 is a diagrammatic view of the vacuum roller cams.
- FIGS. 4, 5, 6, and 7 are fragmentary diagrammatic views similar to portions of FIG. 1 and showing the progress of pads between the vacuum rollers and the positions of the cut-off knives and compression rollers at the various stages of pad advancement.
- FIG. 8 is a fragmentary diagrammatic side elevational view of apparatus employed in another embodiment of the invention.
- FIG. 9 is an end view on a reduced scale of the apparatus shown in FIG. 8.
- FIG. 10 is a fragmentary diagrammatic plan view showing the orientation of the pads in FIG. 8.
- FIG. 11 is a plan view of a short strip of extended liner tape used in the embodiment of FIGS. 8-10.
- FIG. 12 is an end view of the tape of FIG. 11.
- the bands 15 have a low durometer and are easily compressed thus to enable movement of the pads between the rollers 14 and 16 as the bands 15 deform. Absent a pad between the rotors 14, 16 their respective bands 15 will touch one another. The contact of the bands 15 on each roller 14 and 16 insures pressure engagement of the tape strip 21 and tape backing strip 23 as they are concurrently applied to the pads as presently described.
- the vacuum rollers 14, 16 rotate continuously and have the same surface speed as the advancing pads 13 on conveyor 12.
- the uppermost vacuum roller 14 cooperates with an idler feed roller 22 to sequentially clamp and unclamp the strip or web 18 of tape backing or liner therebetween.
- the feed roller 22 has an axis movable in a horizontal plane for engagement and disengagement with the vaccum roller 14 under influence of a cam 29 (FIG. 3) on the shaft 19 of vacuum roller 14.
- Cam 29 engages a cam follower 27 on the feed roller 22.
- An appropriate length or strip 23 of tape backing is cut from the end 24 of the web 18 by the rotating cutoff knife 24, which intercepts the backing web 18 on the surface of the vacuum roller 14 in timed sequence with pad advancement so that the strip 23 of backing will be applied across the gap and in overlapping relation to the adjoining pad ends as subsequently described.
- the lowermost vacuum roller 16 withdraws an adhesive tape web 26 from a supply roll 28 of single faced pressure sensitive tape.
- the feed of the tape web 26 is controlled by a tape idler feed roller 30 which has a surface nonadherent to the pressure sensitive face of tape web 26, thus to minimize tape adhesion.
- Roller 30 has an axis movable in a horizontal plane to engage and dis engage the roller 30 with the vacuum roller 16.
- the adhesive side of the tape 26 is on the outside when the tape web is trained around the roller l6.
- a cam follower 27 on the idler roller 30 to cause tape feed to a tape cut-off knife 34 to cut off a tape strip 21 during the same interval that the backing web 18 is fed to the cut-off knife 24.
- the pads interconnected by the tape bridged therebetween are advanced to a pair of compression rollers 40, 42 which have axes movable in a vertical plane between an operative closely spaced position and a retracted position (by apparatus not shown) which permits movement of the pads between the compression rollers 40, 42 without pad compression or damage.
- the compression rollers 40 and 42 move into the operative position in timed sequence with pad advancement to engage the tape and tape backing intermediate the ends of the adjoining pads and adhesively unite or bond the tape and tape backing.
- the rollers 40 and 42 move to their retracted position as the leading end of the following pad approaches the rollers 40 and 42.
- a belt conveyor 44 advances the interconnected pads to a final cut-off knife roll 46 with a knife 48 which is timed to apply a transverse cut to the tapes against the platen roller 49 in the center of the gaps between pads to separate the pads.
- the severed attached tapes have a length of 2 inches to bond to the diaper when the diaper is folded about the baby.
- FIG. 4 shows the backing feed roller 22 and the tape feed roller 30 in the engaged positions with the vacuum rollers 14 and 16 to withdraw the webs 18 and 26 from the supply rolls 20, 28 and feed the webs 18 and 26 to the cut-off knives 24, 34 which are approaching the vacuum rollers 14, 16 to cut off strips 21 and 23 of tape and tape backing.
- the severed strips 21 and 23 are carried by vacuum rollers 14 and 16 (FIG. 1) for application across the next succeeding gap 75 between pad ends 84 and 86.
- the vacuum rollers 14, 16 apply the strips 23 and 21 of backing and tape in overlapping relation on the ends 84 and 86 of pads 66 and 77.
- the tape backing strip 23 contacts the strip 21 in the gap 75 under pressure of the rollers 14, 16 whose resilient bands expand.
- the bond thus formed between the tape and backing strip 23, 21 breaks the suction of vacuum rollers releasing the strips 23, 21 as the pads 66 and 77 move away from the rollers 14, 16.
- the compression rollers 40 and 42 are in the operative position pressing a backing strip 23 against a tape strip 21 which strips were cut and applied in the previous cycle.
- the gap 75 has advanced between the vacuum rollers 14, 16 where the next pair of strips are applied across the gap 75 and the pad ends 84, 86.
- FIG. 5 the gap 75 has advanced between the vacuum rollers 14, 16 where the next pair of strips are applied across the gap 75 and the pad ends 84, 86.
- FIG. 5 also shows the retraction of compression rollers 40, 42 to permit free passage of pad 66.
- the backing feed roller 22 and tape feed roller 30 are in the disengaged position and thus the feed of webs 18 and 26 is interrupted.
- the fresh cut ends of the webs 18 and 26 slip on the surface of the vacuum rollers 14, 16 since the suction of the rollers 14, 16 is not sufficient to withdraw the webs in the absence of engagement of the feed rollers 22 and 30.
- the sequence is completed as the pads advance to the final cut-off knife roll 46 where the knife 48 (FIG. 1) severs the tape and tape backing strips in the center of the gap between the pad ends to separate the pads and provide tapes on the adjoining pads of equal lenghts.
- the tape backing overlaps the ends of the pads, the backing is only united with the tape between the pads and does not adhere to the pad ends, thus the ends 82 (FIG. 1) of the backing strip 23 are free and form release tabs which are easily grasped to separate the backing strip 23 from the tape strip 21 when the pad is to be used.
- the pads are advanced sideways between the vacuum rollers 14, 16 as shown in FIG. 2 with attaching tapes 23 applied to each side edge.
- the tapes project beyond the pad edges where they are readily accessible for manual manipulation in the course of applying the diaper to the baby.
- FIGS. 8, 9 and 10 show apparatus employed in another embodiment of the invention for simultaneously applying two laterally spaced or pairs of attaching tapes 118 to the alternate adjoining ends of continuously moving pads 103 conveyed lengthwise in abutting end to end relationship.
- the apparatus 101 includes an infeed belt conveyor 102 which conveys the pads 103 in abutting relationship to a laterally spaced pair of tape cut-off and tape applying units 107 and I08 (FIG. 9).
- the units 107, 108 each include a tape feed roller 109 which coacts with a feed roller 1 10 to supply tape webs 112 to a cut-off knife 114 which cuts against a platen roller 116 to sever tape and tape backing strips ll8 from the webs 112.
- the tape 112 employed in the embodrnent shown in FIGS. 8, 9, and I0 is known as extended liner tape.
- the tape strip 112 has adhesive on both sides with a backing or liner strip 1 14 on one side with backing margins l 19 overlapping the edges of the tape as shown in FIGS. 1 1 and 12.
- the feed rollers have annular lands or marginal bosses l l l separated by a central groove 1 13. The lands 1 l l are spaced to contact only the backing margins l 19 so that the adhesive tape is aligned with groove l 13 and does not adhere to the roller I10.
- the extended liner strips 118 of tape and tape backing are carried by vacuum rollers 120 in each unit 107,
- the vacuum rollers 120 have a foraminous surface subject to a constant interval suction and rotate continuously against a spring pressed platen roller 121.
- the cut-off knife 114 is rotated in sequence with pad movement and is so timed that strips 118 will be cut and applied to every other joint 104 between pads 103 as shown in FIG. 9.
- the exposed adhesive surface of tape 112 adheres the strip 118 to both the trailing end of one pad 103 and the leading end the next pad 103.
- the attached pads 103 are advanced by another conveyor 121 to a pair of laterally spaced cut-off knife units 123 and 125 which include cutting rollers 124 which are timed to apply a transverse cut to the tapes 1 18 against platen rollers 128 at the juncture of the adjoining pads 103 to separate the tapes 118.
- tape strips 118 having a length of four inches, a medial out between the adjoining pad ends leaves two tape strips 130, 132, each 2 inches long on adjacent ends of each pad.
- the strips are positioned within the outline or edges of the pads 103 to provide a neat appearing pad with no projections therefrom.
- the backing strip 114 is easily peeled off from the combined strip 118 to expose an adhesive coated face of the strip prior to use.
- a method of applying attaching tapes to pads comprising the steps of feeding the pads toward a vacuum rotor, supplying measured lengths of tape to the vacuum rotor for deliver to the pads in sequence with pad movement to apply the tape across proximate ends of successive pads, and cutting the tape between the pads to separate the pads.
- a method of applying attaching tapes to pads comprising the steps of:
Abstract
Attaching tapes and tape backing or liner are applied to pads such as disposable diapers as they are advanced past a vacuum roller where strips of tape and tape backing are applied to successive pads to interconnect adjacent pad ends. The connected pads are advanced to a cut-off knife which cuts the tape and tape backing to separate the pads and leave each pad with a lined tape adhered thereto.
Description
8 United States Patent 11 1 1111 3,772,120 Radzins 1 Nov. 13, 1973 [54] METHOD FOR APPLYING ATTACHING 2,969,105 1/1961 Jones 156/264 TAPES o S 2,990,081 6/1961 De Neui et al. 156/521 3,505,145 4/1970 Martensson et a1. 156/265 [75] Inventor: Edmund Radzins, Sheboygan Falls,
Wis. Primary Examiner-Douglas J. Drummond [73] Assignee: gun G. Joa, Inc., Sheboygan Falls, Atmmey whee1er, House & wheeler [22] Filed: Nov. 5, 1971 Appl. No.: 196,118
References Cited UNITED STATES PATENTS 7/1942 Bamford 156/263 [5 7] ABSTRACT Attaching tapes and tape backing or liner are applied to pads such as disposable diapers as they are advanced past a vacuum roller where strips of tape and tape backing are applied to successive pads to interconnect adjacent pad ends. The connected pads are advanced to a cut-off knife which cuts the tape and tape backing to separate the pads and leave each pad with a lined tape adhered thereto.
Patented Nov .13, 1973 i 3 Sheets-Sheet 1 fa mna M Patented Nov .13, 1973 3,772,120
3 Sheets-Sheet 2 Patented Nov .13, 1973 3 Sheets-Sheet 5 65mm ailies Z? METHOD FOR APPLYING ATTACI-IING TAPES TO PADS BACKGROUND OF INVENTION The present invention relates to methods and apparatus for automated application of pressure sensitive attaching tapes to pads. Pressure sensitive tapes have been employed with disposable diapers to eliminate the need for diaper pins. The problems encountered in applying the tapes and tape backing include proper transfer and positioning of tapes on the pads, registry of the backing on the tape and imposing appropriate adhering pressure on the tape as it is pressed against the pad.
SUMMARY OF INVENTION These problems are solved by the methods and apparatus disclosed herein. In one embodiment the method includes the steps of advancing pads separated by a constant interval or gap which is twice the distance of the desired tape length, simultaneously superposing separate strips of tape and tape backing at opposite sides of the path of pad travel and across the gap in overlapping relation on the adjoining pad ends to interconnect the pads, pressing the tape against the tape backing in the gaps to form a firm bond and cutting the tape and tape backing with atransverse cut in the center of the gaps to separate thepads and form attaching tapes of equal length.
In such embodiment, the apparatus employed to practice the invention moves the pads sideways and continuously between a pair of spaced vacuum rollers which apply corresponding lengths of adhesive tape and tape backing across the gaps to connect adjoining pad ends. The vacuum rollers desirably have a soft rubber peripheral band which yields as the pads move between the rollers. Retractable compression rollers move together when the gaps are registered between the rollers to bond the tape and backing and retract prior to movement of the pad between the rollers to prevent compression of the pad.
The simultaneous application of two attaching tapes with the continuous advancement of pads provide a high production rate at a low cost as well as precise positioning of attaching tape of a uniform length.
In another embodiment the pads are moved lengthwise in abutting end to end relationship and laterally spaced strips of pre-adhered tape and tape backing (extended liner tape) are simultaneously applied to the adjoining pad ends of every other joint of the pads by two sets of laterally spaced tape cut-off and tape applying units. Final cut-off knives subsequently sever the tapes in the joints leaving two attaching extended liner tapes on each pad located within the outline of the pad.
Further objects and advantages of the invention will become apparent from the following disclosure.
DRAWINGS FIG. I is a fragmentary diagrammatic side elevational view of one embodiment of apparatus employed to practice the invention.
FIG. 2 is a fragmentary diagrammatic plan view showing the orientation of the pads in FIG. 1.
FIG. 3 is a diagrammatic view of the vacuum roller cams.
FIGS. 4, 5, 6, and 7 are fragmentary diagrammatic views similar to portions of FIG. 1 and showing the progress of pads between the vacuum rollers and the positions of the cut-off knives and compression rollers at the various stages of pad advancement.
FIG. 8 is a fragmentary diagrammatic side elevational view of apparatus employed in another embodiment of the invention.
FIG. 9 is an end view on a reduced scale of the apparatus shown in FIG. 8.
FIG. 10 is a fragmentary diagrammatic plan view showing the orientation of the pads in FIG. 8.
FIG. 11 is a plan view of a short strip of extended liner tape used in the embodiment of FIGS. 8-10.
FIG. 12 is an end view of the tape of FIG. 11.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS metal shells 11 and mating foraminous soft rubber or elastomeric peripheral sleeves or bands 15. The respective shells ll and sleeves 15 have aligned through holes 17 subject to a constant vacuum within the hollow interiors of the rotors 14, 16.
The bands 15 have a low durometer and are easily compressed thus to enable movement of the pads between the rollers 14 and 16 as the bands 15 deform. Absent a pad between the rotors 14, 16 their respective bands 15 will touch one another. The contact of the bands 15 on each roller 14 and 16 insures pressure engagement of the tape strip 21 and tape backing strip 23 as they are concurrently applied to the pads as presently described. The vacuum rollers 14, 16 rotate continuously and have the same surface speed as the advancing pads 13 on conveyor 12.
The uppermost vacuum roller 14 cooperates with an idler feed roller 22 to sequentially clamp and unclamp the strip or web 18 of tape backing or liner therebetween. When the rolls 14, 22 are clamped on the web 18, they will withdraw the web 18 of tape backing from a supply roll 20 and carry the free end 25 of the web to a rotating backing strip cut-off knife 24. The feed roller 22 has an axis movable in a horizontal plane for engagement and disengagement with the vaccum roller 14 under influence of a cam 29 (FIG. 3) on the shaft 19 of vacuum roller 14. Cam 29 engages a cam follower 27 on the feed roller 22.
An appropriate length or strip 23 of tape backing is cut from the end 24 of the web 18 by the rotating cutoff knife 24, which intercepts the backing web 18 on the surface of the vacuum roller 14 in timed sequence with pad advancement so that the strip 23 of backing will be applied across the gap and in overlapping relation to the adjoining pad ends as subsequently described.
The lowermost vacuum roller 16 withdraws an adhesive tape web 26 from a supply roll 28 of single faced pressure sensitive tape. The feed of the tape web 26 is controlled by a tape idler feed roller 30 which has a surface nonadherent to the pressure sensitive face of tape web 26, thus to minimize tape adhesion. Roller 30 has an axis movable in a horizontal plane to engage and dis engage the roller 30 with the vacuum roller 16. The adhesive side of the tape 26 is on the outside when the tape web is trained around the roller l6. A cam 29 on the shaft 19 of vacuum roller 16, similar to cam 29 on vacuum roller 14, cooperates with a cam follower 27 on the idler roller 30 to cause tape feed to a tape cut-off knife 34 to cut off a tape strip 21 during the same interval that the backing web 18 is fed to the cut-off knife 24. Thus, equal lengths of adhesive tape 21 and tape backing or liner 23 are cut from the webs and carried in concurrent timed relation by the suction of the vacuum rollers for co-joint application across the gaps between the adavancing pads.
After the tape and tape backing strips are concurrently applied to the adjoining pad ends, as subsequently described in detail, the pads interconnected by the tape bridged therebetween are advanced to a pair of compression rollers 40, 42 which have axes movable in a vertical plane between an operative closely spaced position and a retracted position (by apparatus not shown) which permits movement of the pads between the compression rollers 40, 42 without pad compression or damage. The compression rollers 40 and 42 move into the operative position in timed sequence with pad advancement to engage the tape and tape backing intermediate the ends of the adjoining pads and adhesively unite or bond the tape and tape backing. The rollers 40 and 42 move to their retracted position as the leading end of the following pad approaches the rollers 40 and 42.
A belt conveyor 44 advances the interconnected pads to a final cut-off knife roll 46 with a knife 48 which is timed to apply a transverse cut to the tapes against the platen roller 49 in the center of the gaps between pads to separate the pads. With tape strips and backing strips of overall length of 6 inches and a one inch overlap on the pad ends, the severed attached tapes have a length of 2 inches to bond to the diaper when the diaper is folded about the baby.
The operation of the apparatus and the steps of the method are sequentially illustrated in FIG. 4, 1, 5, 6, and 7. FIG. 4 shows the backing feed roller 22 and the tape feed roller 30 in the engaged positions with the vacuum rollers 14 and 16 to withdraw the webs 18 and 26 from the supply rolls 20, 28 and feed the webs 18 and 26 to the cut- off knives 24, 34 which are approaching the vacuum rollers 14, 16 to cut off strips 21 and 23 of tape and tape backing. The severed strips 21 and 23 are carried by vacuum rollers 14 and 16 (FIG. 1) for application across the next succeeding gap 75 between pad ends 84 and 86. The vacuum rollers 14, 16 apply the strips 23 and 21 of backing and tape in overlapping relation on the ends 84 and 86 of pads 66 and 77. The tape backing strip 23 contacts the strip 21 in the gap 75 under pressure of the rollers 14, 16 whose resilient bands expand. The bond thus formed between the tape and backing strip 23, 21 breaks the suction of vacuum rollers releasing the strips 23, 21 as the pads 66 and 77 move away from the rollers 14, 16. In FIG. 4 the compression rollers 40 and 42 are in the operative position pressing a backing strip 23 against a tape strip 21 which strips were cut and applied in the previous cycle.
In FIG. 5, the gap 75 has advanced between the vacuum rollers 14, 16 where the next pair of strips are applied across the gap 75 and the pad ends 84, 86. FIG.
5 also shows the retraction of compression rollers 40, 42 to permit free passage of pad 66. The backing feed roller 22 and tape feed roller 30 are in the disengaged position and thus the feed of webs 18 and 26 is interrupted. The fresh cut ends of the webs 18 and 26 slip on the surface of the vacuum rollers 14, 16 since the suction of the rollers 14, 16 is not sufficient to withdraw the webs in the absence of engagement of the feed rollers 22 and 30.
As the gap registers between the compression rollers 40 and 42, (FIG. 6) the rollers 40, 42 come together to firmly press the tape backing strip 23 against the tape strip 21. Continued progress of the pads 66 and 77 through the compression rollers 40, 42 is followed by retraction of the compression rollers 40 and 42 as shown in FIG. 7.
The sequence is completed as the pads advance to the final cut-off knife roll 46 where the knife 48 (FIG. 1) severs the tape and tape backing strips in the center of the gap between the pad ends to separate the pads and provide tapes on the adjoining pads of equal lenghts. Inasmuch as the tape backing overlaps the ends of the pads, the backing is only united with the tape between the pads and does not adhere to the pad ends, thus the ends 82 (FIG. 1) of the backing strip 23 are free and form release tabs which are easily grasped to separate the backing strip 23 from the tape strip 21 when the pad is to be used.
In FIG. 7 the sequence is recommencing as tape backing and tape feed rollers 22 and 30 engage the vacuum rollers 14, 16 to clamp the strips 18, 26 and commence the feed of backing web and tape web to the cut off knives 24 and 34 to cut strips of backing and tape for the trailing end of pad 77 and the next succeeding pad.
With the apparatus shown in FIG. 1, the pads are advanced sideways between the vacuum rollers 14, 16 as shown in FIG. 2 with attaching tapes 23 applied to each side edge. The tapes project beyond the pad edges where they are readily accessible for manual manipulation in the course of applying the diaper to the baby.
FIGS. 8, 9 and 10 show apparatus employed in another embodiment of the invention for simultaneously applying two laterally spaced or pairs of attaching tapes 118 to the alternate adjoining ends of continuously moving pads 103 conveyed lengthwise in abutting end to end relationship. The apparatus 101 includes an infeed belt conveyor 102 which conveys the pads 103 in abutting relationship to a laterally spaced pair of tape cut-off and tape applying units 107 and I08 (FIG. 9). The units 107, 108 each include a tape feed roller 109 which coacts with a feed roller 1 10 to supply tape webs 112 to a cut-off knife 114 which cuts against a platen roller 116 to sever tape and tape backing strips ll8 from the webs 112. The tape 112 employed in the embodrnent shown in FIGS. 8, 9, and I0 is known as extended liner tape. The tape strip 112 has adhesive on both sides with a backing or liner strip 1 14 on one side with backing margins l 19 overlapping the edges of the tape as shown in FIGS. 1 1 and 12. The feed rollers have annular lands or marginal bosses l l l separated by a central groove 1 13. The lands 1 l l are spaced to contact only the backing margins l 19 so that the adhesive tape is aligned with groove l 13 and does not adhere to the roller I10.
The extended liner strips 118 of tape and tape backing are carried by vacuum rollers 120 in each unit 107,
108 for application to alternate abutting pad ends of the pads 103 which meet on joints 104 (FIG. The vacuum rollers 120 have a foraminous surface subject to a constant interval suction and rotate continuously against a spring pressed platen roller 121. The cut-off knife 114 is rotated in sequence with pad movement and is so timed that strips 118 will be cut and applied to every other joint 104 between pads 103 as shown in FIG. 9. The exposed adhesive surface of tape 112 adheres the strip 118 to both the trailing end of one pad 103 and the leading end the next pad 103.
The attached pads 103 are advanced by another conveyor 121 to a pair of laterally spaced cut-off knife units 123 and 125 which include cutting rollers 124 which are timed to apply a transverse cut to the tapes 1 18 against platen rollers 128 at the juncture of the adjoining pads 103 to separate the tapes 118.
With tape strips 118 having a length of four inches, a medial out between the adjoining pad ends leaves two tape strips 130, 132, each 2 inches long on adjacent ends of each pad. The strips are positioned within the outline or edges of the pads 103 to provide a neat appearing pad with no projections therefrom. The backing strip 114 is easily peeled off from the combined strip 118 to expose an adhesive coated face of the strip prior to use.
Only every other joint 104 is spanned by the tapes 118. Accordingly, the rotors 120 need operate only one-half as fast as would be required to apply tapes to every joint.
I claim:
1. A method of applying attaching tapes to pads comprising the steps of feeding the pads toward a vacuum rotor, supplying measured lengths of tape to the vacuum rotor for deliver to the pads in sequence with pad movement to apply the tape across proximate ends of successive pads, and cutting the tape between the pads to separate the pads.
2. The method of claim 1 wherein said pads are fed toward said vacuum rotor in abutting end to end relationship.
3. The method of claim 1 wherein said pads are fed toward said vacuum rotor in spaced relation.
4. The method of claim 1 wherein two strips of tape are simultaneously applied to the adjacent pad ends.
5. The method of claim 4 wherein the final step of cutting the tape severs both tapes between adjacent pad ends to leave two attaching tapes on each pad located within the periphery of the pads.
6. The method of claim 1 wherein the tape is applied across every other joint of adjacent pad ends.
7. A method of applying attaching tapes to pads comprising the steps of:
advancing pads separated by substantially uniform gaps,
applying measured strips of adhesive tape and tape backing'in superposed relation on adjoining pad ends and across the gaps,
pressing the tape and tape backing strips together in the gaps between adjoining pads to adhesively unite the strips and cutting through the tape and tape backing strips in the gaps to separate the pads and leave backed attaching tapes extending from the pads.
8. The method of claim 7 wherein the pads are advanced at gaps equal in distance to twice the length of the desired attaching tapes.
9. The method of claim 7 in which the said adhesive strips and backing strips are concurrently advanced in synchronism toward the pads on drum rotors to which the strips are held by vacuum.
10. The method of claim 9 in which the strips are fed to the drum rotors from parent rolls and end pieces are cut-off of the strips while the strips are held by vacuum on the drum rotors just prior to rotor engagement with the pads.
11. The method of claim 7 wherein the tape and tape backing strips are cut in the center of the gaps to form attaching tapes of equal length.
Claims (11)
1. A method of applying attaching tapes to pads comprising the steps of feeding the pads toward a vacuuM rotor, supplying measured lengths of tape to the vacuum rotor for deliver to the pads in sequence with pad movement to apply the tape across proximate ends of successive pads, and cutting the tape between the pads to separate the pads.
2. The method of claim 1 wherein said pads are fed toward said vacuum rotor in abutting end to end relationship.
3. The method of claim 1 wherein said pads are fed toward said vacuum rotor in spaced relation.
4. The method of claim 1 wherein two strips of tape are simultaneously applied to the adjacent pad ends.
5. The method of claim 4 wherein the final step of cutting the tape severs both tapes between adjacent pad ends to leave two attaching tapes on each pad located within the periphery of the pads.
6. The method of claim 1 wherein the tape is applied across every other joint of adjacent pad ends.
7. A method of applying attaching tapes to pads comprising the steps of: advancing pads separated by substantially uniform gaps, applying measured strips of adhesive tape and tape backing in superposed relation on adjoining pad ends and across the gaps, pressing the tape and tape backing strips together in the gaps between adjoining pads to adhesively unite the strips and cutting through the tape and tape backing strips in the gaps to separate the pads and leave backed attaching tapes extending from the pads.
8. The method of claim 7 wherein the pads are advanced at gaps equal in distance to twice the length of the desired attaching tapes.
9. The method of claim 7 in which the said adhesive strips and backing strips are concurrently advanced in synchronism toward the pads on drum rotors to which the strips are held by vacuum.
10. The method of claim 9 in which the strips are fed to the drum rotors from parent rolls and end pieces are cut-off of the strips while the strips are held by vacuum on the drum rotors just prior to rotor engagement with the pads.
11. The method of claim 7 wherein the tape and tape backing strips are cut in the center of the gaps to form attaching tapes of equal length.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US19611871A | 1971-11-05 | 1971-11-05 |
Publications (1)
Publication Number | Publication Date |
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US3772120A true US3772120A (en) | 1973-11-13 |
Family
ID=22724160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00196118A Expired - Lifetime US3772120A (en) | 1971-11-05 | 1971-11-05 | Method for applying attaching tapes to pads |
Country Status (1)
Country | Link |
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US (1) | US3772120A (en) |
Cited By (81)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3879246A (en) * | 1972-09-11 | 1975-04-22 | Robert J Walker | Laminating apparatus and method |
US3905859A (en) * | 1974-11-29 | 1975-09-16 | Minnesota Mining & Mfg | Vacuum wheel apparatus for applying tabbed strips of adhesive tape |
US4096020A (en) * | 1972-11-17 | 1978-06-20 | Agfa-Gevaert Ag | Apparatus for attaching adhesive-coated bands to photographic films or the like |
US4108710A (en) * | 1972-02-14 | 1978-08-22 | B & H Manufacturing Company, Inc. | Apparatus for applying labels to containers |
US4189339A (en) * | 1977-10-31 | 1980-02-19 | Johns-Manville Corporation | Method for providing sections of wrapping material having a strip of adhesive tape attached to an end portion thereof |
US4227960A (en) * | 1979-02-14 | 1980-10-14 | Johns-Manville Corporation | Apparatus for applying tape material in continuously advancing sheet material |
US4317695A (en) * | 1980-11-26 | 1982-03-02 | Western Electric Company, Incorporated | Taping apparatus with dual tape applicator mechanisms |
EP0047106A1 (en) * | 1980-08-22 | 1982-03-10 | Curt G. Joa, Inc. | Method of and apparatus for fixing elastic ribbon between interfacing nominally inelastic flexible sheets |
US4360398A (en) * | 1981-03-09 | 1982-11-23 | Sabee Products, Inc. | Method for applying elastic bands to webs |
EP0113976A2 (en) * | 1982-12-15 | 1984-07-25 | Uni-Charm Corporation | Method for attaching elastic band to sanitary articles |
US4519865A (en) * | 1983-02-18 | 1985-05-28 | International Business Machines Corporation | Device for two-sided application of foils or similar material onto plate-shaped workpieces, and method of operating the same |
US4570315A (en) * | 1983-03-07 | 1986-02-18 | The B. F. Goodrich Company | Method of making a bearing |
US4577379A (en) * | 1983-08-22 | 1986-03-25 | The B. F. Goodrich Company | Bearing assembly and method for assembling a bearing |
EP0219114A2 (en) * | 1985-10-15 | 1987-04-22 | Paper Converting Machine Company | Applicator for applying two or more tapes to a moving web |
US4978415A (en) * | 1985-10-20 | 1990-12-18 | John Waddington Plc | Apparatus for applying labels to articles |
WO1992011829A1 (en) * | 1991-01-09 | 1992-07-23 | Minnesota Mining And Manufacturing Company | Loop applying assembly |
EP0676352A1 (en) * | 1994-04-05 | 1995-10-11 | Minnesota Mining And Manufacturing Company | High speed applicator for adhesive tape |
US5705021A (en) * | 1994-04-29 | 1998-01-06 | Accu-Sort Systems, Inc. | Label applicator |
US5750004A (en) * | 1994-04-29 | 1998-05-12 | Accu-Sort Systems, Inc. | Label applicator |
US5954913A (en) * | 1994-04-29 | 1999-09-21 | Accu-Sort Systems, Inc. | Label applicator |
EP0943305A1 (en) * | 1998-03-19 | 1999-09-22 | Fameccanica. Data S.p.A. | A device for cutting predetermined lenghts of laminar elements, for instance for manufacturing sanitary products |
WO2001087205A1 (en) * | 2000-05-16 | 2001-11-22 | Kimberly-Clark Worldwide, Inc. | Process for making an absorbent garment with dual refastenable sides and butt seams |
US6475325B1 (en) | 2000-03-09 | 2002-11-05 | Curt G. Joa, Inc. | Tape tab applicator |
US20040007318A1 (en) * | 2002-07-15 | 2004-01-15 | Kimberly-Clark Worldwide, Inc. | Apparatus and method for cutting and placing limp pieces of material |
US6817994B2 (en) | 2000-05-16 | 2004-11-16 | Kimberly-Clark Worldwide, Inc. | Absorbent article with refastenable sides |
US20070015647A1 (en) * | 2000-12-18 | 2007-01-18 | Tetra Laval Holdings & Finance S.A. | Method and device for producing a packaging material |
US7303708B2 (en) | 2004-04-19 | 2007-12-04 | Curt G. Joa, Inc. | Super absorbent distribution system design for homogeneous distribution throughout an absorbent core |
US7374627B2 (en) | 2004-04-19 | 2008-05-20 | Curt G. Joa, Inc. | Method of producing an ultrasonically bonded lap seam |
US7398870B2 (en) | 2005-10-05 | 2008-07-15 | Curt G. Joa, Inc | Article transfer and placement apparatus |
US7452436B2 (en) | 2005-03-09 | 2008-11-18 | Curt G. Joa, Inc. | Transverse tape application method and apparatus |
US7533709B2 (en) | 2005-05-31 | 2009-05-19 | Curt G. Joa, Inc. | High speed vacuum porting |
US7537215B2 (en) | 2004-06-15 | 2009-05-26 | Curt G. Joa, Inc. | Method and apparatus for securing stretchable film using vacuum |
US20090188613A1 (en) * | 2008-01-28 | 2009-07-30 | Spear Usa, Llc | Method and apparatus for applying pressure sensitive adhesive labels to containers |
US7618513B2 (en) | 2005-05-31 | 2009-11-17 | Curt G. Joa, Inc. | Web stabilization on a slip and cut applicator |
US7638014B2 (en) | 2004-05-21 | 2009-12-29 | Curt G. Joa, Inc. | Method of producing a pants-type diaper |
US7640962B2 (en) * | 2004-04-20 | 2010-01-05 | Curt G. Joa, Inc. | Multiple tape application method and apparatus |
US7703599B2 (en) | 2004-04-19 | 2010-04-27 | Curt G. Joa, Inc. | Method and apparatus for reversing direction of an article |
US7708849B2 (en) | 2004-04-20 | 2010-05-04 | Curt G. Joa, Inc. | Apparatus and method for cutting elastic strands between layers of carrier webs |
US7770712B2 (en) | 2006-02-17 | 2010-08-10 | Curt G. Joa, Inc. | Article transfer and placement apparatus with active puck |
US7780052B2 (en) | 2006-05-18 | 2010-08-24 | Curt G. Joa, Inc. | Trim removal system |
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US7811403B2 (en) | 2005-03-09 | 2010-10-12 | Curt G. Joa, Inc. | Transverse tab application method and apparatus |
US7861756B2 (en) | 2004-04-20 | 2011-01-04 | Curt G. Joa, Inc. | Staggered cutting knife |
USRE42478E1 (en) * | 1994-04-12 | 2011-06-21 | Sca Hygiene Products Aktiebolag | Method of manufacturing a pants-type diaper of a sanitary panty, and one such absorbent article |
US7975584B2 (en) | 2007-02-21 | 2011-07-12 | Curt G. Joa, Inc. | Single transfer insert placement method and apparatus |
US8007484B2 (en) | 2005-04-01 | 2011-08-30 | Curt G. Joa, Inc. | Pants type product and method of making the same |
US8016972B2 (en) | 2007-05-09 | 2011-09-13 | Curt G. Joa, Inc. | Methods and apparatus for application of nested zero waste ear to traveling web |
WO2011128397A1 (en) * | 2010-04-15 | 2011-10-20 | Concepts For Success (C4S) | Method for attaching strips to a moving web |
WO2012033867A1 (en) * | 2010-09-10 | 2012-03-15 | The Procter & Gamble Company | Method of making disposable absorbent diaper pants |
US8172977B2 (en) | 2009-04-06 | 2012-05-08 | Curt G. Joa, Inc. | Methods and apparatus for application of nested zero waste ear to traveling web |
US8182624B2 (en) | 2008-03-12 | 2012-05-22 | Curt G. Joa, Inc. | Registered stretch laminate and methods for forming a registered stretch laminate |
US8398793B2 (en) | 2007-07-20 | 2013-03-19 | Curt G. Joa, Inc. | Apparatus and method for minimizing waste and improving quality and production in web processing operations |
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US8663411B2 (en) | 2010-06-07 | 2014-03-04 | Curt G. Joa, Inc. | Apparatus and method for forming a pant-type diaper with refastenable side seams |
US8673098B2 (en) | 2009-10-28 | 2014-03-18 | Curt G. Joa, Inc. | Method and apparatus for stretching segmented stretchable film and application of the segmented film to a moving web |
USD703248S1 (en) | 2013-08-23 | 2014-04-22 | Curt G. Joa, Inc. | Ventilated vacuum commutation structure |
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US8820380B2 (en) | 2011-07-21 | 2014-09-02 | Curt G. Joa, Inc. | Differential speed shafted machines and uses therefor, including discontinuous and continuous side by side bonding |
US8882648B2 (en) | 2010-12-20 | 2014-11-11 | The Procter & Gamble Company | Method and apparatus for assembling and folding absorbent articles |
US8945326B2 (en) | 2010-09-14 | 2015-02-03 | The Procter & Gamble Company | Method of making prefastened refastenable disposable absorbent articles |
US9089453B2 (en) | 2009-12-30 | 2015-07-28 | Curt G. Joa, Inc. | Method for producing absorbent article with stretch film side panel and application of intermittent discrete components of an absorbent article |
US9283683B2 (en) | 2013-07-24 | 2016-03-15 | Curt G. Joa, Inc. | Ventilated vacuum commutation structures |
US9289329B1 (en) | 2013-12-05 | 2016-03-22 | Curt G. Joa, Inc. | Method for producing pant type diapers |
US9387131B2 (en) | 2007-07-20 | 2016-07-12 | Curt G. Joa, Inc. | Apparatus and method for minimizing waste and improving quality and production in web processing operations by automated threading and re-threading of web materials |
US9433538B2 (en) | 2006-05-18 | 2016-09-06 | Curt G. Joa, Inc. | Methods and apparatus for application of nested zero waste ear to traveling web and formation of articles using a dual cut slip unit |
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US9566193B2 (en) | 2011-02-25 | 2017-02-14 | Curt G. Joa, Inc. | Methods and apparatus for forming disposable products at high speeds with small machine footprint |
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US9944487B2 (en) | 2007-02-21 | 2018-04-17 | Curt G. Joa, Inc. | Single transfer insert placement method and apparatus |
US10167156B2 (en) | 2015-07-24 | 2019-01-01 | Curt G. Joa, Inc. | Vacuum commutation apparatus and methods |
US10456302B2 (en) | 2006-05-18 | 2019-10-29 | Curt G. Joa, Inc. | Methods and apparatus for application of nested zero waste ear to traveling web |
US10751220B2 (en) | 2012-02-20 | 2020-08-25 | Curt G. Joa, Inc. | Method of forming bonds between discrete components of disposable articles |
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Cited By (115)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4108710A (en) * | 1972-02-14 | 1978-08-22 | B & H Manufacturing Company, Inc. | Apparatus for applying labels to containers |
US3879246A (en) * | 1972-09-11 | 1975-04-22 | Robert J Walker | Laminating apparatus and method |
US4096020A (en) * | 1972-11-17 | 1978-06-20 | Agfa-Gevaert Ag | Apparatus for attaching adhesive-coated bands to photographic films or the like |
US3905859A (en) * | 1974-11-29 | 1975-09-16 | Minnesota Mining & Mfg | Vacuum wheel apparatus for applying tabbed strips of adhesive tape |
US4189339A (en) * | 1977-10-31 | 1980-02-19 | Johns-Manville Corporation | Method for providing sections of wrapping material having a strip of adhesive tape attached to an end portion thereof |
US4227960A (en) * | 1979-02-14 | 1980-10-14 | Johns-Manville Corporation | Apparatus for applying tape material in continuously advancing sheet material |
EP0047106A1 (en) * | 1980-08-22 | 1982-03-10 | Curt G. Joa, Inc. | Method of and apparatus for fixing elastic ribbon between interfacing nominally inelastic flexible sheets |
US4317695A (en) * | 1980-11-26 | 1982-03-02 | Western Electric Company, Incorporated | Taping apparatus with dual tape applicator mechanisms |
US4360398A (en) * | 1981-03-09 | 1982-11-23 | Sabee Products, Inc. | Method for applying elastic bands to webs |
EP0113976A3 (en) * | 1982-12-15 | 1984-08-08 | Uni-Charm Corporation | Method for attaching elastic band to sanitary articles |
EP0113976A2 (en) * | 1982-12-15 | 1984-07-25 | Uni-Charm Corporation | Method for attaching elastic band to sanitary articles |
US4519865A (en) * | 1983-02-18 | 1985-05-28 | International Business Machines Corporation | Device for two-sided application of foils or similar material onto plate-shaped workpieces, and method of operating the same |
US4570315A (en) * | 1983-03-07 | 1986-02-18 | The B. F. Goodrich Company | Method of making a bearing |
US4577379A (en) * | 1983-08-22 | 1986-03-25 | The B. F. Goodrich Company | Bearing assembly and method for assembling a bearing |
EP0219114A2 (en) * | 1985-10-15 | 1987-04-22 | Paper Converting Machine Company | Applicator for applying two or more tapes to a moving web |
EP0219114A3 (en) * | 1985-10-15 | 1988-04-27 | Paper Converting Machine Company | Applicator for applying two or more tapes to a moving web |
US4978415A (en) * | 1985-10-20 | 1990-12-18 | John Waddington Plc | Apparatus for applying labels to articles |
WO1992011829A1 (en) * | 1991-01-09 | 1992-07-23 | Minnesota Mining And Manufacturing Company | Loop applying assembly |
EP0676352A1 (en) * | 1994-04-05 | 1995-10-11 | Minnesota Mining And Manufacturing Company | High speed applicator for adhesive tape |
USRE42478E1 (en) * | 1994-04-12 | 2011-06-21 | Sca Hygiene Products Aktiebolag | Method of manufacturing a pants-type diaper of a sanitary panty, and one such absorbent article |
US5705021A (en) * | 1994-04-29 | 1998-01-06 | Accu-Sort Systems, Inc. | Label applicator |
US5750004A (en) * | 1994-04-29 | 1998-05-12 | Accu-Sort Systems, Inc. | Label applicator |
US5954913A (en) * | 1994-04-29 | 1999-09-21 | Accu-Sort Systems, Inc. | Label applicator |
EP0943305A1 (en) * | 1998-03-19 | 1999-09-22 | Fameccanica. Data S.p.A. | A device for cutting predetermined lenghts of laminar elements, for instance for manufacturing sanitary products |
US6269720B1 (en) | 1998-03-19 | 2001-08-07 | Fameccanica.Data S.P.A. | Device for cutting laminar elements to length, for the fabrication of hygienic and sanitary articles for example |
US6494244B2 (en) | 2000-03-09 | 2002-12-17 | Curt G. Joa, Inc. | Tape tab applicator |
US6475325B1 (en) | 2000-03-09 | 2002-11-05 | Curt G. Joa, Inc. | Tape tab applicator |
US6649010B2 (en) * | 2000-03-09 | 2003-11-18 | Curt G. Joa, Inc. | Tape tab applicator |
US6893426B1 (en) | 2000-05-16 | 2005-05-17 | Kimberly-Clark Worldwide, Inc. | Absorbent article with refastenable sides |
WO2001087205A1 (en) * | 2000-05-16 | 2001-11-22 | Kimberly-Clark Worldwide, Inc. | Process for making an absorbent garment with dual refastenable sides and butt seams |
US6395115B1 (en) | 2000-05-16 | 2002-05-28 | Kimberly-Clark Worldwide, Inc. | Process for making a garment with dual refastenable sides and butt seams |
US20020166616A1 (en) * | 2000-05-16 | 2002-11-14 | Popp Robert Lee | Process for making a garment with dual refastenable sides and butt seams |
US6817994B2 (en) | 2000-05-16 | 2004-11-16 | Kimberly-Clark Worldwide, Inc. | Absorbent article with refastenable sides |
US6872267B2 (en) | 2000-05-16 | 2005-03-29 | Kimberly-Clark Worldwide, Inc. | Process for making a garment with dual refastenable sides and butt seams |
US20070079492A1 (en) * | 2000-12-18 | 2007-04-12 | Tetra Laval Holdings & Finance S.A. | Method for producing a packaging material |
US20070015647A1 (en) * | 2000-12-18 | 2007-01-18 | Tetra Laval Holdings & Finance S.A. | Method and device for producing a packaging material |
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US8303748B2 (en) | 2000-12-18 | 2012-11-06 | Tetra Laval Holding & Finance S.A. | Method for producing a packaging material |
US6915829B2 (en) | 2002-07-15 | 2005-07-12 | Kimberly-Clark Worldwide, Inc. | Apparatus and method for cutting and placing limp pieces of material |
WO2004007329A1 (en) * | 2002-07-15 | 2004-01-22 | Kimberly-Clark Worldwide, Inc. | Apparatus and method for cutting and placing limp pieces of material |
US20040007318A1 (en) * | 2002-07-15 | 2004-01-15 | Kimberly-Clark Worldwide, Inc. | Apparatus and method for cutting and placing limp pieces of material |
US7303708B2 (en) | 2004-04-19 | 2007-12-04 | Curt G. Joa, Inc. | Super absorbent distribution system design for homogeneous distribution throughout an absorbent core |
US7374627B2 (en) | 2004-04-19 | 2008-05-20 | Curt G. Joa, Inc. | Method of producing an ultrasonically bonded lap seam |
US8417374B2 (en) | 2004-04-19 | 2013-04-09 | Curt G. Joa, Inc. | Method and apparatus for changing speed or direction of an article |
US7703599B2 (en) | 2004-04-19 | 2010-04-27 | Curt G. Joa, Inc. | Method and apparatus for reversing direction of an article |
US7861756B2 (en) | 2004-04-20 | 2011-01-04 | Curt G. Joa, Inc. | Staggered cutting knife |
US7640962B2 (en) * | 2004-04-20 | 2010-01-05 | Curt G. Joa, Inc. | Multiple tape application method and apparatus |
US7708849B2 (en) | 2004-04-20 | 2010-05-04 | Curt G. Joa, Inc. | Apparatus and method for cutting elastic strands between layers of carrier webs |
US7638014B2 (en) | 2004-05-21 | 2009-12-29 | Curt G. Joa, Inc. | Method of producing a pants-type diaper |
US8557077B2 (en) | 2004-05-21 | 2013-10-15 | Curt G. Joa, Inc. | Method of producing a pants-type diaper |
US7909956B2 (en) | 2004-05-21 | 2011-03-22 | Curt G. Joa, Inc. | Method of producing a pants-type diaper |
US7537215B2 (en) | 2004-06-15 | 2009-05-26 | Curt G. Joa, Inc. | Method and apparatus for securing stretchable film using vacuum |
US7452436B2 (en) | 2005-03-09 | 2008-11-18 | Curt G. Joa, Inc. | Transverse tape application method and apparatus |
US7811403B2 (en) | 2005-03-09 | 2010-10-12 | Curt G. Joa, Inc. | Transverse tab application method and apparatus |
US8007484B2 (en) | 2005-04-01 | 2011-08-30 | Curt G. Joa, Inc. | Pants type product and method of making the same |
US7618513B2 (en) | 2005-05-31 | 2009-11-17 | Curt G. Joa, Inc. | Web stabilization on a slip and cut applicator |
US7533709B2 (en) | 2005-05-31 | 2009-05-19 | Curt G. Joa, Inc. | High speed vacuum porting |
US7398870B2 (en) | 2005-10-05 | 2008-07-15 | Curt G. Joa, Inc | Article transfer and placement apparatus |
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US8398793B2 (en) | 2007-07-20 | 2013-03-19 | Curt G. Joa, Inc. | Apparatus and method for minimizing waste and improving quality and production in web processing operations |
US9387131B2 (en) | 2007-07-20 | 2016-07-12 | Curt G. Joa, Inc. | Apparatus and method for minimizing waste and improving quality and production in web processing operations by automated threading and re-threading of web materials |
US20090188613A1 (en) * | 2008-01-28 | 2009-07-30 | Spear Usa, Llc | Method and apparatus for applying pressure sensitive adhesive labels to containers |
US8182624B2 (en) | 2008-03-12 | 2012-05-22 | Curt G. Joa, Inc. | Registered stretch laminate and methods for forming a registered stretch laminate |
US8313606B2 (en) * | 2009-02-23 | 2012-11-20 | Sanyo Electric Co., Ltd. | Method and apparatus for manufacturing wound electrode assembly for battery |
US20100212817A1 (en) * | 2009-02-23 | 2010-08-26 | Sanyo Electric Co., Ltd. | Method and apparatus for manufacturing wound electrode assembly for battery |
CN101814629A (en) * | 2009-02-23 | 2010-08-25 | 三洋电机株式会社 | Method and apparatus for manufacturing wound electrode assembly for battery |
US8172977B2 (en) | 2009-04-06 | 2012-05-08 | Curt G. Joa, Inc. | Methods and apparatus for application of nested zero waste ear to traveling web |
US10702428B2 (en) | 2009-04-06 | 2020-07-07 | Curt G. Joa, Inc. | Methods and apparatus for application of nested zero waste ear to traveling web |
US8673098B2 (en) | 2009-10-28 | 2014-03-18 | Curt G. Joa, Inc. | Method and apparatus for stretching segmented stretchable film and application of the segmented film to a moving web |
US8460495B2 (en) | 2009-12-30 | 2013-06-11 | Curt G. Joa, Inc. | Method for producing absorbent article with stretch film side panel and application of intermittent discrete components of an absorbent article |
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