US2248318A - Method of making sticker packets - Google Patents

Description

y 1941 P. VAN CLEEF. 24 .318

METHODOF MAKING STICKERPACKETS Original Filed Aug. 31, 1958 2 She'ets-Sheet 1 f [Va/Z C26 I y 1941- P. VAN CLEEF I 48.318.

' METHOD OF MAKING STICKER PACKETS Original Filed Aug. 31, 1938 2 Sheets-Sheet 2 na/@7257: fczzzZ 1 0 7 2 Cdegf Patented July 8, 1941 UNTE METHOD OF MAKING STICKER PACKETS Paul Van Clcef, Chicago, 111., assignor to Van Cleef Bros., Chicago, 111., a partnership composed of Noah Van Cleef, Felix Van Cleef, and

Paul Van Cleef Griginal application August 31, 1938, Serial No. 227,672. Divided and this application August 28, 1939, Serial No. 292,234

3 Claims.

The present invention relates generally to the manufacture of packets of stickers. More particularly, the invention relates tothe manufacture of that type of sticker packet in which the stickers are arranged in superposed relation, have, on the inner faces thereof, coextensive facings of permanently tacky pressure-sensitive adhesive whereby they are adhesively securedtogether in packet form and are adapted after stripping apart or separation to be stuck against any selected surface or object for ornamentation or other purposes and are provided along one margin of the packet with tabs and in addition small strip-like pieces of holland which cover and are stuck to the adjacent portion of the adhesive iacings and serve so to space apart or separate the contiguous marginal portions of the stickers that the latter may be readily gripped with the fingers in connection with stripping apart or separation thereof.

The object of the invention is to provide a simple and improved. method of manufacturing or fabricating a sticker packet of this type which includes, as steps thereof, first applying by pressure to one side margin of the adhesive-faced side of a web of sticker-forming material, a narrow substantially coextensive band of holland, then forming the web with the holland band along one margin thereof into a plurality of rolled strips, then mounting the rolls on separate spindles, then unrolling the strips simultaneously and pressing them together into adhesively-connected or secured relation between pressure rolls in such manner that the pieces of holland band are all at one side and in aligned or lapped relation and and are more particularly defined by claims at the conclusion hereof.

In the drawings which accompany and form a part of this specification or disclosure and in which like numerals of reference denote corresponding parts throughout the several views:

Figure 1 is a vertical longitudinal sectional View of an apparatus for carrying out the first step of the improved method of packet manufacture, that is, the step of applying to one marforming material, a narrow substantially coextensive band of holland;

Figure 2 is a fragmentary plan view of' the apparatus of Figure 1;

Figure 3 is a perspective of the web after application of the holland band to one side margin of the adhesive-faced side thereof;

Figure 4 is an enlarged transverse sectional view taken on the line t-G of Figure 3 and illustrating in detail the cross-sectional design of the band-equipped web;

Figure 5 is a fragmentar perspective view showing an apparatus for carrying out the'fourth and final steps of the improved method of manufacture, that is, the steps which follow the formation of the web into a plurality of rolled strips and comprise unrolling the strips simultaneously and pressing them into adhesively-eonnected relation between pressure rolls in such manner that the sections of holland band are all at one side and are in aligned or lapped relation, and then cutting the superposed strips into packets of the desired size and shape;

Figure 6 is a plan view of the superposed strips after cutting thereof by the cutter;

Figure 7 is a perspective View of a sticker packet made in accordance with the improved method and formed from the superposed sheets of Figure 6; and

Figure 8 is an enlarged sectional view taken on the line 88 of Figure 7 and showing or illustrating the manner in which the pieces of holland serve to cover the adhesive face portions of the projecting tabs and contiguous marginal portions of the stickers so that they are precluded from sticking together and may be readily gripped in connection with stripping apart or separation of the stickers.

The packet which is formed by the improved method consists of a plurality or set of superposed stickers 9 which are adapted when stripped apart or separated from one another to be stuck to any selected surface or object and, depending upon their shape, serve as articles of utility or ornamentation. The stickers as shown in Figure secured together in packet form by means of facings ii! of permanently tacky pressure-sensitive adhesive. They are formed from an elongated web H of tapelike material like that which forms the subject matter of an application for United States Letters Patent for improvements in Tape and the method of making same, filed by me July 24, 1937, Serial No. 155,483. Such material is composed of a base of paper or like material. The base is impregnated with rubber latex and embodies on the outer face thereof a vulcanized layer whereby it is rendered impervious. The vulcanized rubber layer is provided. with a.thin coating of shellac, varnish, lacquer, or ethyl cellulose in order to prevent the permanently tacky pressure-sensitive adhesive from sticking too tightly thereto when the material is wound in roll form. The facings ID are formed on the inner faces of the stickers and are coextensive with the latter. They are preferably of rubber base adhesive material and are bonded to the paper base portions of the stickers in such manner that when the stickers are stripped apart or separated the facings remain in connected relation with the paper base portionsand pull readily from the outer faces of the contiguous stickers. The bottom or lowermost sticker of the packet is protected from adhering to objects by way of a holland sheet 12. This sheet underlies andis stuck lightly to'and isicoextensive with the adhesive facing ll! of the bottom or lowermost sticker. When the bottom or lowermost sticker is to be used, the holland sheet i2 is stripped fr'cirn theadhe'sive facing of the lowermost sticker so as to expose such facing and permit the sticker to be stuck in place by'the facing. When it is desired to use a sticker, the upper or topmost sticker'is 'sep'ara'ted'from the sticker next below by stripping or' pulling it therefrom. During the stripping or pulling operation the adhesive facing for the topmost sticker is pulled from sticking'r'elation with the top or upper face of the next sticker. Upon separation of the topmost sticker froh'i the sticker nextbelow it is adapted by "pie ifig its adhesive facing into contact with any'selected surface or object to be stuck to such surface or object. By reason of the fact that permanently tacky pressure-sensitive rubber base 'a'dhesiveis used, thesticker may be reused as manytime's as desired. As shown in Figure 7, the stickers 10 are provided withintegral outwardly projecting tabs [3. "These tabs are joined to the'sticker's byreduced necks l4. As illustrated in Figure 8, the adhesive facings cover the inner races of the. tabs l3. In order to facilitate stripping apart or separation of the stickers S, each sticker is provided along the tab-equipped margin thereof with a holland piece I5. The pieces l underlie and are lightly stuck to the portions of the adhesive facings which underlie the tabs and the adjacent marginal portions of the stickers. They serve to separate and prevent sticking together of the tabs and the margins that are associated therewith with the result that the tabs and said associated margins are free with respect to one another and may be readily gripped in connection with stripping apart or separation of the stickers. When the topmost sticker is to be removed from the packet, the tab l3 for such sticker is gripped by the fingers and then pulled upwardly. Because of the holland piece which is stuck to the tab. of the top or uppermost sticker the'tab is in separated relation with respect to thesubjacent' tab and hence it is possible readily ito grip it' in connection'with the stripping or pulli'ng operations. 'The holland pieces I5, by reason of the fact that they extend under the necks l4 andalong the adjacent adhesive-equipped mar- ..ginal portions of the stickers, reinforce the neck and preventtearing thereof in connection with gripping and pullingof the tabs. If, after stripping apart or separation of the stickers, it is desired to remove the holland pieces 1 5, this may be readily'done by or accomplished by gripping the pieces and stripping them from the stickers with which they are associated. Upon stripping or removal of the holland pieces from the stickers, all portions of the adhesive facings are exposed and the stickers may hence be pressed or stuck flatly throughout the entire area thereof against the selected or desired surface or object. Because of the adhesive protecting holland pieces on the tabs IS, the tabs, as clearly shown in Figure 8, spread outwardly in a radial manner and are hence easy to grip with the fingers in connection with stripping apart or separation of the stickers.

In manufacturing or making the packet from the sticker-forming web ll, an apparatus like that shown in Figures 1 and 2 and an apparatus like "that shown in Figure 5 are preferably employed. The method of manufacture comprehends five main or principal steps, viz.: applying by pressure to one side margin of the adhesiveface'd sidepf theweb H-aban-dflii of holland, then "forming the web with the holland band along T0118 margin thereof intoa plurality of rolled strips,- then'mounting the rolls on spindles, then unrolling the'strips and-pressing them togetherinto ad'hesively' connected or secured relation and then, at the conclusion of 'the'pressing operation, "cutting the superposed strip transversely and across the sections of holland to'form" the improved. packet. The apparatus of Figuresl and 2 servesprimarily as the medium for carrying out the first step 'of the method of manufacture. It comprises al -frame-structure 'I'L'apair of feed spools ['8 and'I Q, and a. take-up spool 20. These three spools are suitably journaled with respectto the frame structure and are preferably positioned as shownin Figure l. The take-upspool 20 is adapted t -be driven either manually or by pow-er and is "disposed in substantially the same horizontalplaneas the feed spool H3. The latterhas the web ll wrapped therearound' in such manner that the facing of the permanently tacky pressure-sensitive rubber base adhesive'is T011 theoutsi'de. The feed spool i9 is disposed above an'd'islocated between the feed spool 18 and the take-'up'spool 20 and has the band 16 of holland wrappedth-erearound. Theweb I1 is adapted 'to'be anchored to the take-upspool'ZU and whenthe latter is driven it is unwoundifromthe spool I8 and is wound around the spool 20. Three idler rollers 2| are disposed beneath the feed'spool 'IB and the takeu spoolifl and serve'to'maintaintaut and also tofiatten the web ll 'a's'it is .unwoun'dfrom the feed'spooli'a'and wound'onto" the take-up spool 20. "The'holland-band l6whic'h, as hereinafter pointed out, forms the'hol'land' adhesive covering pieces ['5 for the tabs I3 and the adjoining'marginsof'thestickers "9, is adapted to'be applied to and presse'd'into stuck relation with "one side margin of the adhesiveifacingof'theweb during Winding of the web around thetake up'spool 20.

It passes over and around a vertically :movable idler roll #22 .over the take-'up'spool'zfl and is "adapted when stuck in'place'with respect to the obtained by way of a press roll 23. This roll as shown in Figure 1, is disposed beneath the takeup spool 20 and is mounted on the distal end of a pivoted frame 24 so that it is free to swing vertically. A tension spring 25 extends between the central portion of the frame 24 and an anchor pin 26 on the frame-structure l'| and serves to urge the roll 23 upwards into contact with the outer varnished or otherwise treated vulcanized rubber facing of the web H. The roll 23 is so arranged with respect to the band l6 that during winding of the web and band around the feed spool, it presses the two together into adhering relation. After application of the holland band It to one of the side margins of the adhesive facing of the web II, by way of the apparatus of Figures 1 and 2, the web, together with the band, is cut into lengths and then formed into a plurality of rolled strips 21.

The rolled strips 21 are used in connection with the apparatus of Figure which, as hereinafter described, is adapted to perform or carry out the last two steps of the improved method of packet manufacture. As shown in Figure 5, the apparatus comprises an elongated top 28 which is supported by means of legs 29 and has an arcuate series of upstanding spindles 30 on the top face thereof. The spindles are spaced equidistantly apart and are concentrically disposed with respect to a pair of laterally spaced pressure rolls 3|. The last mentioned rolls are adapted to be driven in opposite directions by 7 means of a motor-driven gear unit 32 and operate simultaneously to unroll the strips 21. The strips while in rolled; form are mounted on the spindles 30 in such manner that the adhesive facing of each strip faces the outer treated vulcanized face or facing of the opposed or next opposite strip. A holland web 33 in roll form is mounted on a spindle 34 at one end of the arcuate series of spindles 30 for the rolled strips 21. This web is adapted to be unrolled simultaneously with the strips 21 by the action of the pressure rolls 3| and forms the holland sheet l2 for protecting the adhesive facing In of the bottom or lowermost sticker of the packet. As shown in Figure 5, the web is the same in width as the rolled strips 21. In using the apparatus of Figure 5 the rolled strips 21 are mounted on their respective spindles 30 with the sections of the holland band 16 all at one side, and the rolled holland web 33 is mounted on its spindle 34. Thereafter the free ends of the rolls are drawn toward and into place between the pressure rolls 3!, as shown in Figure 5. When the rolls are driven in the proper direction by the motordriven gear unit 32, the rolled strips 21, together with the web 33, are unrolled and are pressed together into the form of a composite unit between the rolls. The strips and web, after being pressed together between the rolls 3|, are adapted to be drawn or fed manually in a step-by-step manner under a vertically reciprocating continuous hollow cutter 35. The cutter is of the proper shape to form the packet and embodies a knifeedge on the bottom thereof. When the composite unit is stationary on the portion of the top 28 that is beneath the cutter 35 and the cutter is moved. downwards so as to penetrate through the composite unit and cut across the sections of the holland band I6, it cuts from the unit the sticker packet. The latter, after ejectment from the cutter, is in salable form. The cutter 35 is so arranged with respect to the part along which the composite unit is adapted to travel, that when it is moved downwards in connection with a cutting operation, the sticker tabs are formed from the portions of the unit which embody the sections of the holland band it. By so arranging the cutter the cut band sections, that is, the portions of the band sections which are severed or cut by the cutter, form or constitute the holland pieces l5 and are properly positioned with respect to the tabs I3 and the necks Id of the stickers. By having the holland Web 33 on the bottom of the composite unit, that is, the unit which is formed by pressing the rolled strips 21 together, by way of the pressure rolls 28, the holland sheet l2 is formed on the bottom of the packet in response to cutting of the unit by the cutter 35.

The hereinbefore described method of making or manufacturing packets is comparatively simple and may be carried out expeditiously and at a low and reasonable cost.'

The invention is not to be understood as restricted to the details set forth, since these may be modified within the scope of the appended claims, without departing from the spirit and scope of the invention.

This application for Letters Patent is a division of that filed by me August 31, 1938, Serial No. 227,672.

Having thus described the invention, what I claim as new and desire to secure by Letters Patent is:

1. That improvement in the manufacture of a unitary packet of stickers which comprises taking a sticker forming webhaving on one side thereof a facing of permanently tacky pressure-sensitive adhesive and applying along one side margin of the facing a band of holland type material, then forming the web into a plurality of strips, then pressing the strips together into adhesively connected and superposed relation and in such mannor that the sections of the band are all at one side and in aligned or lapped relation, and finally cutting the adhesively connected and superposed strips transversely and across the band sections in order to form a packet of the desired size and shape and with pieces of holland type material covering certain marginal portions of the adhesive facings and serving to separate the contiguous marginal portions of the stickers so that they may be readily gripped in connection with separation of the stickers.

2. That improvement in the manufacture of a unitary packet of stickers which comprises taking a sticker forming web having on one side face thereof a facing of permanently tacky pressure-sensitive adhesive and applying and lengthwise of one side margin of the facing a narrow band of holland type material, then cutting the web transversely at spaced points in order to form a plurality of strips, then unrolling the strips and. thereafter winding the strips into rolls and at the same time pressing them together into adhesively connected and superposed relation and in such manner that the adhesively connected sections of the band are all at one side and in aligned or lapped relation, and finally cutting the superposed strips transversely and across the band sections in order to form a packet of the desired size and shape and with pieces of holland'type material covering certain marginal portionsof the adhesive facings and serving to separate the contiguous marginal portions of the stickers so that they may be readily gripped in connection with separation of the stickers.

3 That improvement in the manufacture ofa sure rolls in-order to stick-them together in=superposed relation andin such manner that the sectionscf the-band are ali at one side and maligned omapped relation, and finally cutting the stuck together superposed stripstransversely and across the band sections in order to form a packet of--th'edesiredsizeshape Y and with pieces of holland 't-y pematerial coveringcertain marginal ptirtidris' of the adhesive --facings and serving to s'eparate*tl ie contiguous marginalportions of the stickerssd that-they-may be readily gripped in 10 connectionseparation ofthe stickers.

PAUL VAN 'CLEEF.

Images