US3166221A - Double-tube dispensing container - Google Patents

Double-tube dispensing container Download PDF

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US3166221A
US3166221A US189862A US18986262A US3166221A US 3166221 A US3166221 A US 3166221A US 189862 A US189862 A US 189862A US 18986262 A US18986262 A US 18986262A US 3166221 A US3166221 A US 3166221A
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tube
tubes
housing member
cylindric
double
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US189862A
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Nielsen Helmuth
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Leo Pharma AS
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Leo Pharmaceutical Products Ltd AS
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/14—Pumps characterised by muscle-power operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/325—Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container

Definitions

  • the present invention relates to a double tube dispenser of the above-mentioned type in which the said disadvantage has been remedied, and which consists of a rigid tube member and ahousing member, the tube member consisting of two juxtaposed cylindrictubes' of substantially equal wallthickness united along'a common generatrix, said tubes being open at one end andclosed at the opposite end by a wall integral with a substantially cylindric nozzle portion, the axis of which is central between the axes of the two tubes, said nozzle portion having channels leading to the interior part of each tube, and the housing member comprising two part-cylindric walls united to form a tubular body, and a base plate closing said tubular body at one end and carrying two shafts protruding in coaxial'position into the tubes and carrying at their ends pistons fitting therein.
  • the tube body By giving the tube body the shape of two completely or almost completely cylindrical tubes which atmost are connected at a narrow joint surface alonga generatrix of each, it is possible to manufacture the tube body from plastic without the risk that thebody deforms unduly during the hardening of the plastic or during the cooling after the hardening; consequently the cylinder surfaces of the tube body are able to slide close to the cylinder surfaces of the housing member.
  • T his latter may also be of plastic, and still have no tendency to di'stort'during the hardening and the subsequent cooling, as the walls of the said tube case have practically equal thickness throughout.
  • the tube compartments may be filled, the dispensing container has been assembled, the filling being made through cannulae to the channels of the dispensing nozzle.
  • the dispensing container After the filling the dispensing container will be in its expanded position with the connection portion EJ652231 Fatented Jan. 19, 1965 ice of the tube member engaging the intruding portion of the housing member, and with the pistons being at open ends of the tubes of the tube'rnember.
  • the tube member is pushed slowly down into the housing member a quantity of the contents of thetubes of the tube membercorresponding to the quantity filled into the tubes will be pressed out in the shape of two closely juxtaposed bands.
  • a convenient method for assembling the dispensing container enabling the. two tube compartments to be filled through the open ends of the tubes of the tube member mayaccording to the present invention consist in the dispensing nozzle having notches on a level with surfaces which continue the cylinder surface of the housing member facing each other; the bottom of the housing member may consequently be one separate piece which is not mounted on the cylindrical part of the housing member until the tubes ofthe tube member have been filled, and the said member drawn out with'its connection portion engaging the intruding portion at the other end of the housing member.
  • the pistons In connection with the mounting of the said bottom the pistons, too, are mounted in the tubes of the tube body.
  • the tube member and the housing may therefore be manufactured from two different plastics, chosen with a view to causing a minimum of friction. According to the present invention it is particularly convenient if the tube member'is manufactured from low pressure polyethylene, and the housing member from impact proof polystyrene.
  • FIG; 1 shows the dispensing container without a covering cap, in perspective, in its extended position
  • FIG. 2 shows the tube member in side elevation
  • FIG. 3 shows the tube member seen from above
  • FIG. 4 shows a section of the tubemember on the line
  • FIG. 5 shows a section of the tube member on the line V-V of FIG. 2;
  • FIG. 6 shows the housing member in a sectional view through the longest symmetry plane
  • FIG. 7 shows a section of the housing member on the line VII--V1I of FIG. 6;
  • FIG. 8 shows a section of the housing member on the line VIIIV1II of FIG. 6;
  • FIG. 9 in side elevation and part section, shows the separate bottom with pistons for the tubes
  • FIG. 10 shows the bottom seen from above in a horizontal sectional view through the piston rods.
  • 1 is a tube member, and 2 a housing member.
  • the tube member (FIGS. 2-5) is shaped as two juxtaposed tubes 3 and 4, the axes of which are parallel, and which in the embodiment shown 'are mutually connected at a narrow strip 5 along a common generatrix.
  • the said tubes are provided with cylindrical tube compartments 6 and 7 which are open at the bottom but at the top are closed by a plane wall 8 which carries a cylindrical dispensing nozzle 9, common toboth tubes, with a thread 10 for the screwing on of a tube cap, not shown in the figure.
  • the dispensing nozzle 9 is provided with channels 11 which leads each to its own of the two tube compartments 6 and 7.
  • connection portion 14 which partly fills the space between those sections of the cylindrical external walls of the tubes 3 and 4 which face each other but is of slight extension in the axial direction.
  • the housing member 2 is made of a material which is substantially of the same thickness throughout the length of the housing member, as shown in FIG. 8, and consists of two part cylinder surfaces 12 and 13 which are mutually connected with more or less plane partitions 15 parallel with the symmetry plane 16 of the tube case, and at such a distance from the said symmetry plane that the connection portion 14 of the tube member may pass freely within the said partitions.
  • the housing member is provided with internal intruding portions 17 which fit into the angle between the tubes of the body member.
  • the dispensing nozzle is provided with notches 18 cut at opposite angles into the surface of the said nozzle which notches form a continuation of the cylinder surfaces of the tubes facing each other, and through which the intruding portions 17 may pass when the tube member is inserted into the housing member from the bottom of the latter, and is pushed so much forward that the dispensing nozzle will project from the uppermost edge of the housing member.
  • FIGS. 9 and 10 depict a bottom 19 with piston rods 20 and pistons 21.
  • Double-tube dispensing container consisting of a rigid tube member and a housing member, the tube member consisting of two juxtaposed cylindric tubes having parallel axes, the distance between the axes being greater than the sum of the radii of the said tubes, said tubes being open at one end and closed at the opposite end by a wall integral with a substantially cylindric nozzle portion, the axis of which is central between the axes of the two tubes, said nozzle portion having channels leading into the interior part of each tube, and the housing member comprising two part-cylindric walls united to form a tubular body and a base plate closing said tubular body at said one end and carrying two shafts protruding in coaxial position into the tubes and carrying at their ends pistons fitting therein.
  • Double-tube dispensing container according to claim 1 in which the tube member and housing member are of different synthetic materials so chosen as to give minimum friction.
  • Double-tube dispensing container according to claim 2 in which the tube body is of low-pressure polyethylene and the housing member is of impact-resisting polystyrene.
  • Double-tube dispensing container consisting of a rigid internal tube member and a housing member the tube member consisting of two closely juxtaposed cylindric tubes of substantially equal wall thickness having parallel axes, the distance between the axes being greater than the sum of the radii of the said tubes, said tubes being open at one end and closed at the opposite end by a wall integral with a substantially cylindric nozzle portion, the axis of which is central between the axes of the two tubes, said nozzle portion having channels leading into the interior part of each tube, and the housing member comprising two part-cylindric walls united to form a tubular body and a base plate closing said tubular body at one end and carrying two shafts protruding in coaxial position into the tubes, each tube carrying at its end a piston fitting into a tube, each tube having adjacent to its open end a connection portion, extending only a short distance from the end, and the housing having at its open end an intruding portion, which likewise has only a slight extension in axial direction
  • Double-tube dispension container according to claim 4 in which the tubes of the tube member are united along a common generatrix.
  • Double-tube dispensing container consisting of a rigid internal tube member and a housing member, the tube member consisting of two closely juxtaposed cylindric tubes having parallel axes, spaced apart a distance greaterthan the sum of the radii of the said tubes, said tubes being open at one end and closed at the opposite end by a wall integral with a substantially cylindric nozzle portion, the axis of whichis substantially midway between the axes of the two tubes, said nozzle portion having a channel leading into the interior of each tube, the housing member comprising two part-cylindric walls united to form a tubular body and a base plate closing said tubular body at one end and having two shafts in parallel position one each protruding into a tube, each shaft carrying at its end a piston frictionally engaging its tube and fitting for direct longitudinal movement therein only, each tube having adjacent to its open end a connection portion extending only a short distance from the end, the housing having at its open end an intruding portion, which likewise has only a slight

Description

Jan. 19, 1965 H. NIELSEN DOUBLE-TUBE DISPENSING CONTAINER Filed April 24, 1962 United States Patent Dispensing tubes of pliable material, the compressible hollow body of which is divided in two separate tube compartments by means of a partition, are known, said tubes having at oneend thereof a nozzle integrally cast with the container material and provided with two closely juxaposed canals each connected with one or" the tube g compartments.
When the compartments contain different semiiluid materials it is possible to expell a quantity of both by squeezing both compartments simultaneously; thereby the substances from both containers are brought into contact with each other immediately outside the nozzle of the tube.
Such double tube dispensing containers, however, cannot be used in cases Where it is important that the quantities discharged from each tube compartment are equal, or that the materials are discharged in some other predetermined ratio.
The present invention relates to a double tube dispenser of the above-mentioned type in which the said disadvantage has been remedied, and which consists of a rigid tube member and ahousing member, the tube member consisting of two juxtaposed cylindrictubes' of substantially equal wallthickness united along'a common generatrix, said tubes being open at one end andclosed at the opposite end by a wall integral with a substantially cylindric nozzle portion, the axis of which is central between the axes of the two tubes, said nozzle portion having channels leading to the interior part of each tube, and the housing member comprising two part-cylindric walls united to form a tubular body, and a base plate closing said tubular body at one end and carrying two shafts protruding in coaxial'position into the tubes and carrying at their ends pistons fitting therein.
By giving the tube body the shape of two completely or almost completely cylindrical tubes which atmost are connected at a narrow joint surface alonga generatrix of each, it is possible to manufacture the tube body from plastic without the risk that thebody deforms unduly during the hardening of the plastic or during the cooling after the hardening; consequently the cylinder surfaces of the tube body are able to slide close to the cylinder surfaces of the housing member. T his latter may also be of plastic, and still have no tendency to di'stort'during the hardening and the subsequent cooling, as the walls of the said tube case have practically equal thickness throughout. Owing to the elasticity of the wall portions uniting the two part-cylindric wallsof the housing member it attains sufiicient resiliency to fit the tubemember without any unduepressure, at the same timebeing exactly to measure .withthe tube body. By providing the tubes of the-tube memberadjacent their'open ends with a connection portion extending only a short distance from the open end and the housing with an intrudinglportion which likewise has only a slight extension in axial direction, it is prevented that the tub'e'member be pulled out of the housing unintentionally.
If desired, the tube compartments may be filled, the dispensing container has been assembled, the filling being made through cannulae to the channels of the dispensing nozzle. After the filling the dispensing container will be in its expanded position with the connection portion EJ652231 Fatented Jan. 19, 1965 ice of the tube member engaging the intruding portion of the housing member, and with the pistons being at open ends of the tubes of the tube'rnember. When the tube member is pushed slowly down into the housing member a quantity of the contents of thetubes of the tube membercorresponding to the quantity filled into the tubes will be pressed out in the shape of two closely juxtaposed bands. It will then be easy to mix the two kinds of material in no time on thesiteof" application, and'the accurate guiding of the tube member in the housing member will ensure that the two substances are squeezed out in a predetermined ratio, e.g. in equal quantities. If, for instance, a neutralization is aimed at by mixing, it is possible by this means to prevent that anundue excess of the one component or the other is dispensed.
A convenient method for assembling the dispensing container enabling the. two tube compartments to be filled through the open ends of the tubes of the tube member mayaccording to the present invention consist in the dispensing nozzle having notches on a level with surfaces which continue the cylinder surface of the housing member facing each other; the bottom of the housing member may consequently be one separate piece which is not mounted on the cylindrical part of the housing member until the tubes ofthe tube member have been filled, and the said member drawn out with'its connection portion engaging the intruding portion at the other end of the housing member. In connection with the mounting of the said bottom the pistons, too, are mounted in the tubes of the tube body.
Even if the accurate'shaping of the tube member and the resilience and exact fit of the housing member rendered possible by the present invention-will minimize the tendency of the tube member during the squeezing it is, however, desirable in many cases, particularly if the contents of the tube cylinder consists of comparatively expensive preparations, such as pharmaceutical products or of pharmaceutical products of which an overdosing must be avoided on account of their powerful effect, that the tube member be capable of sliding inside the housing member with a constant but slight friction even if the dispensing container has not been used for some time or has been exposed to moisture or temperature changes which will hazardisethe operational properties of the dispenser. According, to an embodimentof the'present invention the tube member and the housing may therefore be manufactured from two different plastics, chosen with a view to causing a minimum of friction. According to the present invention it is particularly convenient if the tube member'is manufactured from low pressure polyethylene, and the housing member from impact proof polystyrene.
In the following the present invention'will be described in detail with reference to the accompanying drawing which depicts by way'of an example, which should not be considered limitative, one embodiment of the present invention.
FIG; 1 shows the dispensing container without a covering cap, in perspective, in its extended position;
FIG. 2 shows the tube member in side elevation;
FIG. 3 shows the tube member seen from above;
FIG. 4 shows a section of the tubemember on the line FIG. 5 shows a section of the tube member on the line V-V of FIG. 2;
- FIG. 6 shows the housing member in a sectional view through the longest symmetry plane;
FIG. 7 shows a section of the housing member on the line VII--V1I of FIG. 6;
FIG. 8 shows a section of the housing member on the line VIIIV1II of FIG. 6;
FIG. 9, in side elevation and part section, shows the separate bottom with pistons for the tubes, and
FIG. 10 shows the bottom seen from above in a horizontal sectional view through the piston rods.
In FIG. 1, 1 is a tube member, and 2 a housing member. Externally, the tube member (FIGS. 2-5) is shaped as two juxtaposed tubes 3 and 4, the axes of which are parallel, and which in the embodiment shown 'are mutually connected at a narrow strip 5 along a common generatrix. The said tubes are provided with cylindrical tube compartments 6 and 7 which are open at the bottom but at the top are closed by a plane wall 8 which carries a cylindrical dispensing nozzle 9, common toboth tubes, with a thread 10 for the screwing on of a tube cap, not shown in the figure. The dispensing nozzle 9 is provided with channels 11 which leads each to its own of the two tube compartments 6 and 7.
At the bottom the tube member is on either side provided with a connection portion 14 which partly fills the space between those sections of the cylindrical external walls of the tubes 3 and 4 which face each other but is of slight extension in the axial direction.
The housing member 2 is made of a material which is substantially of the same thickness throughout the length of the housing member, as shown in FIG. 8, and consists of two part cylinder surfaces 12 and 13 which are mutually connected with more or less plane partitions 15 parallel with the symmetry plane 16 of the tube case, and at such a distance from the said symmetry plane that the connection portion 14 of the tube member may pass freely within the said partitions. At the top the housing member is provided with internal intruding portions 17 which fit into the angle between the tubes of the body member.
The dispensing nozzle is provided with notches 18 cut at opposite angles into the surface of the said nozzle which notches form a continuation of the cylinder surfaces of the tubes facing each other, and through which the intruding portions 17 may pass when the tube member is inserted into the housing member from the bottom of the latter, and is pushed so much forward that the dispensing nozzle will project from the uppermost edge of the housing member.
FIGS. 9 and 10 depict a bottom 19 with piston rods 20 and pistons 21. After the tube member 1 in the said manner has been inserted into the housing member 2, and the tube compartments have been filled the bottom is mounted, the pistons 21 being let into the tube compartments, and the tube member pushed forward to its extended position as shown in FIG. 1. By this, a groove 22. on the top side of the bottom 19 will fit round the lower edge of the housing member. If desired, the bottom may be secured to the said housing member by means of a suitable adhesive applied to the groove 22.
I claim:
1. Double-tube dispensing container consisting of a rigid tube member and a housing member, the tube member consisting of two juxtaposed cylindric tubes having parallel axes, the distance between the axes being greater than the sum of the radii of the said tubes, said tubes being open at one end and closed at the opposite end by a wall integral with a substantially cylindric nozzle portion, the axis of which is central between the axes of the two tubes, said nozzle portion having channels leading into the interior part of each tube, and the housing member comprising two part-cylindric walls united to form a tubular body and a base plate closing said tubular body at said one end and carrying two shafts protruding in coaxial position into the tubes and carrying at their ends pistons fitting therein.
2. Double-tube dispensing container according to claim 1 in which the tube member and housing member are of different synthetic materials so chosen as to give minimum friction.
3. Double-tube dispensing container according to claim 2 in which the tube body is of low-pressure polyethylene and the housing member is of impact-resisting polystyrene.
4. Double-tube dispensing container consisting of a rigid internal tube member and a housing member the tube member consisting of two closely juxtaposed cylindric tubes of substantially equal wall thickness having parallel axes, the distance between the axes being greater than the sum of the radii of the said tubes, said tubes being open at one end and closed at the opposite end by a wall integral with a substantially cylindric nozzle portion, the axis of which is central between the axes of the two tubes, said nozzle portion having channels leading into the interior part of each tube, and the housing member comprising two part-cylindric walls united to form a tubular body and a base plate closing said tubular body at one end and carrying two shafts protruding in coaxial position into the tubes, each tube carrying at its end a piston fitting into a tube, each tube having adjacent to its open end a connection portion, extending only a short distance from the end, and the housing having at its open end an intruding portion, which likewise has only a slight extension in axial direction, the former fitting the part of the housing uniting the part-cylindric wall and the V latter fitting the cylindric surfaces of the tubes of the tube member, facing each other.
- 5. Double-tube dispension container according to claim 4 in which the tubes of the tube member are united along a common generatrix.
6. Double-tube dispensing container consisting of a rigid internal tube member and a housing member, the tube member consisting of two closely juxtaposed cylindric tubes having parallel axes, spaced apart a distance greaterthan the sum of the radii of the said tubes, said tubes being open at one end and closed at the opposite end by a wall integral with a substantially cylindric nozzle portion, the axis of whichis substantially midway between the axes of the two tubes, said nozzle portion having a channel leading into the interior of each tube, the housing member comprising two part-cylindric walls united to form a tubular body and a base plate closing said tubular body at one end and having two shafts in parallel position one each protruding into a tube, each shaft carrying at its end a piston frictionally engaging its tube and fitting for direct longitudinal movement therein only, each tube having adjacent to its open end a connection portion extending only a short distance from the end, the housing having at its open end an intruding portion, which likewise has only a slight extensionin axial direction, the former fitting the part of the housing uniting the part-cylindric wall and the latter fitting the cylindric surfaces of the tubes of the tube member, facing each other.
References Cited by the Examiner UNITED STATES PATENTS 2,661,871 12/53 Huenergardt 222129 2,826,339 3/58 Maillard 222-137 3,028,052 4/62 Archer 222-136 RAPHAEL M. LUPO, Primary Examiner.
LOUIS I. DEMBO, Examiner.

Claims (1)

1. DOUBLE-TUBE DISPENSING CONTAINER CONSISTING OF A RIGID TUBE MEMBER AND A HOUSING MEMBER, THE TUBE MEMBER CONSISTING OF TWO JUXTAPOSED CYLINDRIC TUBES HAVING PARALLEL AXES, THE DISTANCE BETWEEN THE AXES BEING GREATER THAN THE SUN OF THE RADII OF THE SAID TUBES, SAID TUBES BEING OPEN AT ONE END AND CLOSED AT THE OPPOSITE END BY A WALL INTEGRAL WITH A SUBSTANTIALLY CYLINDRIC NOZZLE PORTION, THE AXIS OF WHICH IS CENTRAL BETWEEN THE AXES OF THE TWO TUBES, SAID NOZZLE PORTION HAVING CHANNELS LEADING INTO THE INTERIOR PART OF EACH TUBE, AND THE HOUSING MEMBER COMPRISING TWO PART-CYLINDRIC WALLS UNITED TO FROM A TUBULAR BODY AND A BASE PLATE CLOSING SAID TUBULAR BODY AT SAID ONE END AND CARRYING TWO SHAFTS PROTRUDING IN COAXIAL POSITION INTO THE TUBES AND CARRYING AT THEIR ENDS PISTONS FITTING THEREIN.
US189862A 1961-04-27 1962-04-24 Double-tube dispensing container Expired - Lifetime US3166221A (en)

Applications Claiming Priority (1)

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DK173961AA DK93503C (en) 1961-04-27 1961-04-27 Double tube consisting of a tube body and a tube sleeve fitting around the tube body.

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GB (1) GB955192A (en)

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US3311265A (en) * 1965-06-03 1967-03-28 Chem Dev Corp Double-barreled dispensing gun
US3330444A (en) * 1966-04-07 1967-07-11 Demco North Manchester Ind Plunger type dispensing device
US3760986A (en) * 1970-08-19 1973-09-25 Schuyler Dev Corp Dispensing bottles with pump means for simultaneous dispensing
US3767085A (en) * 1971-08-02 1973-10-23 J Cannon Mixing syringe
US4261481A (en) * 1978-08-08 1981-04-14 General Dynamics Fluid packaging kit for pressurized dispensing
US4637746A (en) * 1978-03-10 1987-01-20 Henkel Kommanditgesellschaft Auf Aktien Dispenser for a two-component adhesive
US4771919A (en) * 1987-10-28 1988-09-20 Illinois Tool Works Inc. Dispensing device for multiple components
US4915695A (en) * 1988-09-12 1990-04-10 Koobs David C Multiple barrel syringe
US4974756A (en) * 1989-07-14 1990-12-04 Minnesota Mining And Manufacturing Company Double barrel dispensing container and cap therefor
US5020694A (en) * 1989-03-16 1991-06-04 Chesebrough-Pond's, Inc. Multi-cavity dispensing container
US5065906A (en) * 1988-10-14 1991-11-19 August Maeder Double-chambered cartridge having semi-cylindrical pistons for use in a press-out gun
US5092491A (en) * 1989-09-06 1992-03-03 Nordmark Arzneimittel Gmbh Metering apparatus for lump and powder materials
US5139171A (en) * 1990-01-05 1992-08-18 Maderag Ag Ejector pistol for double-walled cartridges
US5249709A (en) * 1989-10-16 1993-10-05 Plas-Pak Industries, Inc. Cartridge system for dispensing predetermined ratios of semi-liquid materials
US5289949A (en) * 1992-06-22 1994-03-01 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Multi-cavity dispensing refill cartridge
US5318203A (en) * 1993-07-01 1994-06-07 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Dual chamber dispenser
US5332124A (en) * 1993-05-17 1994-07-26 Chesebrough-Pond's, Usa Co., A Division Of Conopco, Inc. Multi-cavity dispensing refill cartridge
US5335827A (en) * 1992-12-22 1994-08-09 Chesebrough-Pond's Usa Co., A Division Of Conopco, Inc. Multi-cavity dispensing refill cartridge
EP0613835A1 (en) * 1993-03-04 1994-09-07 von Schuckmann, Alfred Dispenser to simultaneously dispense at least two pasty products
US5699935A (en) * 1996-01-18 1997-12-23 The Procter & Gamble Company Inverting bag co-dispenser
US5775386A (en) * 1996-06-13 1998-07-07 Colgate-Palmolive Company Apparatus and process for filling plural chamber container with flowable materials
US5782384A (en) * 1996-11-05 1998-07-21 Colgate-Palmolive Aligned web in a container
US5819988A (en) * 1997-04-01 1998-10-13 Sawhney; Ravi K. Double-barreled syringe with detachable locking mixing tip
US5823391A (en) * 1996-09-04 1998-10-20 Owens-Brockway Plastic Products Inc. Dual chamber flexible tube dispensing package and method of making
US5826751A (en) * 1996-05-01 1998-10-27 The Procter & Gamble Company Replaceable fluid-containing bag and nozzle for high viscosity fluid dispenser
US5849241A (en) * 1996-12-20 1998-12-15 Colgate-Palmolive Company Multichamber container with expanded interior walls
US5862951A (en) * 1997-01-29 1999-01-26 The Procter & Gamble Company Replacement fluid cartridge for a positive displacement pump and method of making the cartridge
WO1999007611A1 (en) 1997-08-06 1999-02-18 Colgate-Palmolive Company Multichamber dispensing container
US5899360A (en) * 1995-06-09 1999-05-04 Colgate - Palmolive Company Multi-chamber refillable dispenser
US5899361A (en) * 1997-06-10 1999-05-04 Owens-Illinois Closure Inc. Hinged closure for a dual chamber dispensing package
US5902568A (en) * 1997-01-15 1999-05-11 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Method for whitening teeth
WO1999035055A2 (en) 1998-01-06 1999-07-15 Colgate-Palmolive Company Positive displacement multichamber pump dispenser
USD414104S (en) 1997-04-29 1999-09-21 Owens-Brockway Plastic Products Inc. Dual tube assembly
US6039215A (en) * 1998-06-12 2000-03-21 The Procter & Gamble Company Dual product pump dispenser with multi-outlet closure for product separation
WO2000021842A2 (en) * 1998-10-12 2000-04-20 Discus Dental Impressions, Inc. Double-barreled syringe with detachable locking mixing tip
US6230935B1 (en) 1995-07-28 2001-05-15 Colgate-Palmolive Company Dual chamber pump dispenser
AU734596B2 (en) * 1997-04-25 2001-06-21 Owens-Brockway Plastic Products Inc. Multiple cavity dispensing package
US6315171B1 (en) 2000-09-29 2001-11-13 The Plastek Group Telescoping ram dispenser
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US6672483B1 (en) * 1999-02-05 2004-01-06 Rexam Sofab Dispenser for chemically unstable products
US20040144801A1 (en) * 2000-09-21 2004-07-29 Pierson Paul Richard Mixing tip for dental materials
US20040155062A1 (en) * 2003-02-10 2004-08-12 Mccurry Kathy Bottle system useful for storing and mixing materials
US20040234450A1 (en) * 2001-01-22 2004-11-25 Howes Randolph M. Compositions, methods, apparatuses, and systems for singlet oxygen delivery
US20050147761A1 (en) * 2004-01-02 2005-07-07 Richard Parks Dual component dispensing and mixing systems for marine and military paints
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US20100286654A1 (en) * 2009-05-06 2010-11-11 Cesario Pereira Dos Santos Multiple Thermal Sensors in a Multiple Processor Environment for Temperature Control in a Drug Delivery Device
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US20140209614A1 (en) * 2011-09-26 2014-07-31 ADCO Products, Inc. d.b.a. Royal Adhesives and Sealants, Inc. Adhesive packaging system
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US20150335397A1 (en) * 2013-04-09 2015-11-26 Ivoclar Vivadent Ag Syringe
US10150607B2 (en) 2013-11-13 2018-12-11 Royal Adhesives And Sealants Llc Adhesive packaging system with membrane
US10638748B2 (en) 2015-12-22 2020-05-05 Corning Incorporated Break away/tear away cryopreservation vial and methods for manufacturing and using same
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US3311265A (en) * 1965-06-03 1967-03-28 Chem Dev Corp Double-barreled dispensing gun
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US6230935B1 (en) 1995-07-28 2001-05-15 Colgate-Palmolive Company Dual chamber pump dispenser
US6536628B2 (en) * 1995-09-25 2003-03-25 R. Eric Montgomery Tooth-bleaching compositions
US6514543B2 (en) * 1995-09-25 2003-02-04 R. Eric Montgomery Tooth bleaching compositions
US5699935A (en) * 1996-01-18 1997-12-23 The Procter & Gamble Company Inverting bag co-dispenser
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US5842604A (en) * 1996-05-01 1998-12-01 The Procter & Gamble Company High viscosity fluid dispenser with replaceable fluid-containing bag and nozzle
US5775386A (en) * 1996-06-13 1998-07-07 Colgate-Palmolive Company Apparatus and process for filling plural chamber container with flowable materials
US5823391A (en) * 1996-09-04 1998-10-20 Owens-Brockway Plastic Products Inc. Dual chamber flexible tube dispensing package and method of making
US6063223A (en) * 1996-09-04 2000-05-16 Owens-Brockway Plastic Products Inc. Dual chamber flexible tube dispensing package and method of making
US5782384A (en) * 1996-11-05 1998-07-21 Colgate-Palmolive Aligned web in a container
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US5902568A (en) * 1997-01-15 1999-05-11 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Method for whitening teeth
US5862951A (en) * 1997-01-29 1999-01-26 The Procter & Gamble Company Replacement fluid cartridge for a positive displacement pump and method of making the cartridge
US6065645A (en) * 1997-04-01 2000-05-23 Discus Dental Impressions, Inc. Double-barreled syringe with detachable locking mixing tip
US5819988A (en) * 1997-04-01 1998-10-13 Sawhney; Ravi K. Double-barreled syringe with detachable locking mixing tip
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USD414104S (en) 1997-04-29 1999-09-21 Owens-Brockway Plastic Products Inc. Dual tube assembly
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US5941420A (en) * 1997-08-06 1999-08-24 Colgate-Palmolive Company Multichamber container dispensing orifices
WO1999007611A1 (en) 1997-08-06 1999-02-18 Colgate-Palmolive Company Multichamber dispensing container
WO1999035055A2 (en) 1998-01-06 1999-07-15 Colgate-Palmolive Company Positive displacement multichamber pump dispenser
US6039215A (en) * 1998-06-12 2000-03-21 The Procter & Gamble Company Dual product pump dispenser with multi-outlet closure for product separation
WO2000021842A2 (en) * 1998-10-12 2000-04-20 Discus Dental Impressions, Inc. Double-barreled syringe with detachable locking mixing tip
WO2000021842A3 (en) * 1998-10-12 2005-05-19 Discus Dental Impressions Inc Double-barreled syringe with detachable locking mixing tip
US6672483B1 (en) * 1999-02-05 2004-01-06 Rexam Sofab Dispenser for chemically unstable products
US6394314B1 (en) 1999-10-12 2002-05-28 Discus Dental Impressions, Inc. Double-barreled syringe with detachable locking mixing tip
US6698622B2 (en) * 2000-06-09 2004-03-02 Discuss Dental Impressions, Inc. Double-barreled syringe with detachable locking mixing tip
US6564972B2 (en) 2000-06-09 2003-05-20 Dixcus Dental Impressions, Inc. Double-barreled syringe with detachable locking mixing tip
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US20050255425A1 (en) * 2000-09-21 2005-11-17 Pierson Paul R Mixing tip for dental materials
US6315171B1 (en) 2000-09-29 2001-11-13 The Plastek Group Telescoping ram dispenser
US6612465B2 (en) 2000-10-13 2003-09-02 Dentsply Research & Development Corp. Multi-component mixing storage and dispensing device
US20050186135A1 (en) * 2001-01-22 2005-08-25 Howes Randolph M. Compositions, methods, apparatuses, and systems for singlet oxygen delivery
US20040234450A1 (en) * 2001-01-22 2004-11-25 Howes Randolph M. Compositions, methods, apparatuses, and systems for singlet oxygen delivery
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US20050226819A1 (en) * 2002-09-27 2005-10-13 Pierson Paul R Packaged dental composition
US20040155062A1 (en) * 2003-02-10 2004-08-12 Mccurry Kathy Bottle system useful for storing and mixing materials
US11090667B2 (en) 2004-01-02 2021-08-17 Sulzer Mixpac Ag Dual component dispensing and mixing systems for marine and military paints
US20070231047A1 (en) * 2004-01-02 2007-10-04 Richard Parks Corrosion Technologies, Inc. Dual component dispensing and mixing systems for marine and military paints
US7815384B2 (en) 2004-01-02 2010-10-19 Richard Parks Corrosion Technologies, Inc. Dual component dispensing and mixing systems for marine and military paints
US7144170B2 (en) 2004-01-02 2006-12-05 Richard Parks Corrosion Technologies, Inc. Dual component dispensing and mixing systems for marine and military paints
US10471451B2 (en) 2004-01-02 2019-11-12 Sulzer Mixpac Ag Dual component dispensing and mixing systems for marine and military paints
US9539595B2 (en) 2004-01-02 2017-01-10 Sulzer Mixpac Ag Dual component dispensing and mixing systems for marine and military paints
US9409193B2 (en) 2004-01-02 2016-08-09 Sulzer Mixpac Ag Dual component dispensing and mixing systems for marine and military paints
US8668399B2 (en) 2004-01-02 2014-03-11 Sulzer Mixpac Ag Dual component dispensing and mixing systems for marine and military paints
US20050147761A1 (en) * 2004-01-02 2005-07-07 Richard Parks Dual component dispensing and mixing systems for marine and military paints
US20070244442A1 (en) * 2004-12-22 2007-10-18 Chowhan Masood A Device for Ophthalmic Drug Delivery
US20060266769A1 (en) * 2005-05-27 2006-11-30 Henkel Consumer Adhesives, Inc. Dual chamber piston pressure pack dispenser system
US7537139B2 (en) 2005-05-27 2009-05-26 Henkel Corporation Dual chamber piston pressure pack dispenser system
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US20090302060A1 (en) * 2006-07-17 2009-12-10 Medmix Systems Ag Dispensing appliance for a multiple cartridge
US8096449B2 (en) 2006-07-17 2012-01-17 Medmix Systems Ag Dispensing appliance for a multiple cartridge
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US20090093789A1 (en) * 2007-10-09 2009-04-09 Alcon Research, Ltd. Method of Delivering A Rate And Temperature - Dependent Substance Into The Eye
US20090093788A1 (en) * 2007-10-09 2009-04-09 Alcon Research, Ltd. Thermal Coefficient Driven Drug Pellet Size For Ophthalmic Injection
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US20140117046A1 (en) * 2011-10-17 2014-05-01 Sulzer Mixpac Ag Cartridge, method of manufacturing same and multicomponent cartridge
US20150102132A1 (en) * 2012-05-14 2015-04-16 Sulzer Mixpac Ag Spray mixer for mixing and spraying at least two flowable components
US9878335B2 (en) * 2012-05-14 2018-01-30 Sulzer Mixpac Ag Spray mixer for mixing and spraying at least two flowable components
US20140124508A1 (en) * 2012-11-08 2014-05-08 Sulzer Mixpac Ag Cartridge for at least two flowable components
US9611074B2 (en) * 2012-11-08 2017-04-04 Sulzer Mixpac Ag Cartridge for at least two flowable components
US9901419B2 (en) * 2013-04-09 2018-02-27 Ivoclar Vivadent Ag Syringe
US20150335397A1 (en) * 2013-04-09 2015-11-26 Ivoclar Vivadent Ag Syringe
US11008157B2 (en) 2013-08-16 2021-05-18 Corning Incorporated Vessels and methods for cryopreservation
US20150048085A1 (en) * 2013-08-16 2015-02-19 Corning Incorporated Vessels and methods for cryopreservation
US10150607B2 (en) 2013-11-13 2018-12-11 Royal Adhesives And Sealants Llc Adhesive packaging system with membrane
US11684064B2 (en) 2015-11-16 2023-06-27 Corning Incorporated Cryogenic vial assemblies
US10638748B2 (en) 2015-12-22 2020-05-05 Corning Incorporated Break away/tear away cryopreservation vial and methods for manufacturing and using same
US11013230B2 (en) 2015-12-22 2021-05-25 Corning Incorporated Break away/tear away cryopreservation vial and methods for manufacturing and using same
USD933492S1 (en) 2020-04-03 2021-10-19 Aptar Radolfzell Gmbh Dispenser
USD933493S1 (en) * 2020-04-03 2021-10-19 Aptar Radolfzell Gmbh Dispenser

Also Published As

Publication number Publication date
BE614414A (en) 1962-06-18
DE1411642A1 (en) 1968-10-10
GB955192A (en) 1964-04-15
DK93503C (en) 1962-05-21
CH402724A (en) 1965-11-15

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