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Publication numberUS3715856 A
Publication typeGrant
Publication date13 Feb 1973
Filing date19 Aug 1971
Priority date19 Aug 1971
Publication numberUS 3715856 A, US 3715856A, US-A-3715856, US3715856 A, US3715856A
InventorsM Borel
Original AssigneeBorel J & Co
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Packaging method
US 3715856 A
Images(1)
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Description  (OCR text may contain errors)

Bore] Primary Examiner-Robert L. Spruill Att0rneySchmidt, Johnson, Hovey & Williams Feb. 13, 1973 .l l PACKAGING METHOD [57] ABSTRACT [75] Inventor: Mark Borel, Prairie Village, Kans. A sealed container has a closure which includes a label attached to an outturned flange of the container [73 Asslgnee Jules Bore] & Kansas Clty by a peripheral band of pressure sensitive adhesive on [22] Filed: Aug. 19, 1971 the label such that the label is adapted to be peeled back at one of its corners to dispense articles one at a [21] Appl l73l02 time from the container and to be then pressed back into place until another article is to be dispensed, the [52] U.S. Cl. ..53/41, 156/69, 156/248, clo r being produce by a me hod which uses a 156/268, 206/56 AB backing sheet to present a path attached to the label [51] Int. Cl. ..B65b 7/28 by such adhesive and disposed within the confines of [58] Field of Search ..53/l4, 38, 41, 296; 156/69, the band for protecting the articles against contact 156/248, 249, 253, 257, 263, 268, 516; with the adhesive.

206/56 AB A single coating of the pressure sensitive adhesive is initially used to laminate the backing sheet with a [56] References cued label sheet and the patches are then preformed by die UNITED STATES PATENTS cutting the backing sheet. The labels may also be preformed by die cutting and/or by die perforating of 2,596,179 5/1952 Seymour ..206/56 AB the label sheet The waste materials of the sheets are then removed, presenting the closures, each consisting 3574026 4/1971 f ii' 56/248 X of a patch still glued to the label and exposing only the pressure sensitive adhesive band on the label around the patch.

5 Claims, 10 Drawing Figures PATENTEDFEB 13 1915 3,715,856

l W'w. 10.

INVENTOR. 44 46 Mark 5 are/ F'.0. BY 62 w /447;/

A 77' ORNEYS.

PACKAGING METHOD An important object of my present invention is to provide a packaging method which permits the entire range of short-run to long-run packaging jobs to be carried out more efficiently and less expensively than has heretofore been made possible through use of previously suggested methods.

Another important object of the instant invention is the provision of a packaging method which may be performed without need for heat-sealing devices or other special equipment as has, for the most part, been required in known methods used in attempts to accomplish the advantageous end results hereof.

Still another important object of the present invention is to provide a packaging method which permits the container closures to be produced and supplied in any one of a number of different forms according to the desires of the packer or his particular needs.

In the drawing:

FIG. 1 is a fragmentary, perspective view of a backing sheet used in the packaging method forming the subject matter of my present invention, showing the step of applying a releasing agent to one face thereof;

FIG. 2 is a fragmentary, perspective view of the backing sheet showing the step of applying adhesive to the coating of said agent;

FIG. 3 is a fragmentary, perspective view of a label sheet showing the step of printing the opposite face thereof;

FIG. 4 is a fragmentary, perspective view of the laminated sheets showing the die cutting and perforating of the label sheet;

FIG. 5 is a fragmentary, perspective view showing the die cutting of the backing sheet;

FIG. 6 is a fragmentary, perspective view showing identification indicia on the labels for the contents of the packages;

FIG. 7 is a fragmentary, perspective view showing the step of separating the sheets;

FIG. 8 is a fragmentary, perspective view of the step of applying the closures to the containers;

FIG. 9 is a fragmentary, perspective view of the closed containers; and

FIG. 10 is a perspective view showing one of the containers partially opened for dispensing its contents.

While the use of pressure sensitive adhesive in the production of container closures is well known, it is usually necessary in conventional methods for the packer to utilize special equipment in the application of the closures to the containers. The closure to which the present invention relates includes a label that has a continuous band of such adhesive along the marginal edge of the inner face of the label. The label is releasably attached to the container by the adhesive of such band being bonded to the normally upper face ofa flat, continuous, outturned flange on the container disposed flush with its access opening so that the contents of the container may be dispensed from time to time by merely peeling back one corner of the label and then pressing it back into place. Such closures are also provided with a patch glued to the inner face of the label within the confines of the adhesive band and fitting across the access opening of the container to protect its contents.

Normally the precut patches are laid in place into the access opening of the containers and upon its contents,

one at a time, by hand or by use of machinery, whereupon the top or label sheet is coated with the adhesive. It is then necessary to feed the label sheet onto the container flanges and onto the patches, press it into place and cut it into individual labels, again by hand or by use of special equipment. Such delicate procedure is expensive, slow, complicated and not universally adaptable to the many different procedures demanded by present-day packaging requirements.

Other methods of producing closures of the particular nature above outlined require the use of heat sealing equipment in their application to the container, a decided drawback from the standpoint of the packer whose demands call for the much simplified method of the present invention and the wide variances in form and procedures made possible thereby.

To be made clear at the outset is the fact that pressure sensitive adhesives hereinafter referred to, as well as their compositions and characteristics, are well known, and various types are readily available on the open market. Moreover, the nonfibrous backing sheet from which the patches are formed, together with the release coating thereon, as well as the paper label sheet, may all be of conventional nature. It is contem plated that my method shall have the important advantage of requiring neither the use of equipment nor of materials not previously used and well known in one form or another in the fields of packaging, closures and labels.

Referring then to FIG. 1 of the drawing, a nonfibrous backing sheet 10 may be initially coated on one face 12 thereof with a suitable releasing agent 14 to facilitate separation of a paper label sheet 16 (FIG. 3) therefrom prior to closing of containers 18 (FIGS. 8-10). One face 20 of the sheet 16 may be provided with printing 22 (including advertising matter if desired) to set off a number of blank spaces 26 in preference, perhaps, to such printing being provided on face 20 after sheets 10 and 16 are laminated together (FIG. 4) by pressure sensitive adhesive 28 coated over the releasing agent 14 of sheet 10 (FIG. 2), it being understood that in FIGS. 4 and 5 the coating 28 is in direct contact with that face 24 of sheet 16 opposite to face 20 thereof.

The aforementioned steps may be performed by supplying a collating machine with rolls of sheets 10 and 16 such that the coatings l4 and 28 are applied as the sheet 10 is advanced. To this end, the longitudinal margins of the sheets 10 and 16 may be provided with sprocket openings 30 and 32 respectively in the usual manner. The sprocket wheels of the machine advance the sheets 10 and 16 in unison between a pair of pressing rollers or the like to effect the lamination thereof by adhesive 28 between the proximal inner faces of the sheets 10 and 16.

Thereupon, by use of aligned holes 30 and 32, the joined sheets 10 and 16 are advanced to a die cutter which operates on outer face 36 of the sheet 10 so as to provide polygonal cuts 34 in sheet 10 only, presenting a plurality of protective patches 38 in the sheet 10 held in place solely by the adhesive 28 between the patches 38 and the label sheet 16.

Prior to, at the same time, or subsequently, the sheet 16 may, if desired, be die cut and/or perforated. For example, longitudinal die cut lines 40 and transverse lines of perforation 42 are shown in FIG. 6. Either or both of these lines 40 and 42 may be omitted and whether either is die cut or perforated depends on the manner of subsequent use. Lines 40 and 42 are so spaced along the outlines of the spaces 26 that the latter become slightly larger in both directions than the corresponding patches 38.

Spaces 26 are of the same size and shape as peripheries 44 of continuous flanges 46 extending outwardly from and flush with access openings 48 of containers 18. Patches 38 have the same configuration as that of spaces 26 and openings 48 but are slightly larger in both directions than the openings 48 and are somewhat smaller in both directions than spaces 26.

The finished product shown in FIG. 6, when supplied to the user may then, through use of computers, or otherwise, be supplied with indicia 50 in the spaces 26 which constitutes the data necessary for designating the nature of the contents 52 (such as watch parts) of the containers 18.

In the event that lines 40 are die cut into sheet 16, each series of closures may then be peeled from the sheet in strips as illustrated by FIG. 7 which causes the patches 38 to separate therewith from sheet 10, leaving openings 54 in scrap piece 56. The releasing agent 14 facilitates such separation, and the marginal strips 57 of the sheet 16 which contain the sprocket wheel holes 32 also become scrap.

There is presented, therefore, bands 58 of adhesive 28 around each patch respectively, and when a series of closures is applied to a row of containers 18, having their flanges 46 joined by lines of perforation 60 in the manner shown by FIG. 8, the bands 58 become attached to the flat top faces of corresponding flanges 46. The patches 38 slightly overlap the flanges 46 adjacent the openings 48 to preclude all contact of the parts 52 with the adhesive 28.

The row of closed containers 18 shown in FIG. 9 may then be separated by tearing along lines of perforations 42 and 60 or, if perforations 42 and 60 are not initially provided, the top paper portion and the flanges 46 may be cut apart to present individual closed containers 18 as seen in FIG. 10.

As an alternative, the entire sheet 16 may be applied to banks of containers 18 and thereafter cut apart or be separated along lines40, 42 and 60 if such lines are initially provided. Still further, individual closures may be stripped away and then applied one at a time to containers 18.

That is to say, the method as hereinabove described permits the closure or top for the container 18 to be initially manufactured inany one of a number of desirable configurations. These include continuous forms to be printed with the indicia 50 by any pin-fed unit, such as a computer. Or the product may be produced in rolls to be subsequently provided with the indicia by tag type imprinters. Still further, the entire label may be preprinted by the, original manufacturer of the package tops. These are in addition to the illustrated form of individual sheets as shown in FIG. 5.

In any event, the method permits use of individual labels for separate containers or of groups of labels suitably perforated so that a number of labels are simultaneously affixed to a plurality of containers in one operation, and then torn apart by hand or, if volume justifies, the groups of finished containers may be die cut apart or otherwise separated.

Having thus described the invention, what is claimed as new and desired to be secured by Letters Patent is:

1. In a method of packaging through use of containers having access openings surrounded by outwardly extending flanges, said method including the steps of:

laminating a pair of sheets by use of a pressure sensitive adhesive between the proximal inner faces thereof;

thereupon cutting one of said sheets while the same are stuck together to present a plurality of individual protective patches attached to said inner face of the other sheet by said adhesive;

separating said sheets such as to leave only the patches connected by said adhesive to said inner face of said other sheet with each patch surrounded by a band of said adhesive remaining on said inner face of said other sheet;

closing said openings of a bank of said containers by placing the patches over the openings of corresponding containers and pressing the bands into attachment with proximal flanges of the containers; and

subdividing said other sheet to present an outer cover attached by its band to the flange of each container respectively with each cover having a patch still connected to said inner face by said adhesive.

2. In a method of packaging as claimed in claim 1 wherein prior to lamination of said sheets said inner face of said one sheet is first coated with a releasing agent and then coated with said adhesive.

3. In a method of packaging as claimed in claim 1 wherein prior to the separation step, and while the sheets are stuck together, said other sheet is cut to present a series of elongated strips, each strip being subdivided transversely thereof after the openings are closed to present said covers.

4. In a method of packaging as claimed in claim 1 wherein prior to the separation step, and while the sheets are stuck together, said other sheet is cut to present a series of elongated strips and perforated transversely of said strips to present a plurality of said covers, each strip being subdivided along the perforations after the openings are closed.

5. In a method of packaging through use of containers having access openings surrounded by outwardly extending flanges, said method including the steps of:

laminating a pair of sheets by use of a pressure sensitive adhesive between the proximal inner faces thereof;

thereupon cutting one of said sheets while the same are stuck together to present a plurality of individual protective patches attached to said inner face of the other sheet by said adhesive;

separating said sheets such as to leave only the patches connected by said adhesive to said inner face of said other sheet with each patch surrounded by a band of said adhesive remaining on said inner face of said other sheet",

subdividing said other sheet to present a plurality of outer covers each having a patch still connected to its inner face by said adhesive; and

closing the openings of said containers by placing one patch over the opening of each container respectively and pressing the bands into attachment with prominal flanges.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3856144 *15 Jan 197324 Dec 1974Kelly FBlister packaging assembly
US3924748 *11 Apr 19749 Dec 1975Milton BravermanClosure for multicompartment medicinal dispensing device
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Classifications
U.S. Classification53/487, 156/248, 206/301, 206/820, 156/268, 156/69, 206/459.5
International ClassificationB65D1/30, B65B7/28, B65D77/20
Cooperative ClassificationB65D77/2032, B65B7/2871, Y10S206/82, B65D1/30
European ClassificationB65D77/20E1B, B65B7/28F3, B65D1/30