US2331901A - Packaging - Google Patents

Description

INVENTOR J2e/QP Hrm@ G. N. FISHER PACKAGING Filed Jan. lO, 1941 @yA/@wwwa BY Wwe,

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Oct. 19, 1943.

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Patented Oct. 19, 1943 Umreo rares Kraft Cheese Company,

ration of Delaware Chicago, Ill., a corpo- Application January lll, i941, Serial No. 373,965

(ill;'229-5.5)

l Claim.

This invention relates to packaging and it is particularly concerned with small packages, for example, packages of material Weighing in the neighborhood of one-half pound, although it will be apparent' that the invention may be adapted to larger packages if desired. Furthermore, although not conned to the packaging of food products or other similarly deteriorable products, the invention is primarily concerned with the packaging of food products such as cheese.

The main objects of the invention are to provide a package which will adequately protect the packaged material but which package may be made economically and at low cost and which will present an attractive appearance so as to facilitate sales of the packaged material.

Other objects and advantagesof the invention will be understood by reference to the following speciiication and accompanying drawing, wherein there is illustrated a package embodying a selected form of the invention. In the drawing- Fig. 1 is a perspective of the completed package, a portion being broken -away to illustrate certain details of the package construction;

Fig. 2 is an exploded view of the component parts of the package;

Fig. 3 is a side elevation, partially in section, illustrating'the completed package, and

Fig. 4 is a transverse section through the package, illustrating the same when opened.

Referring now to the drawing, the package i1- lustrated is one which is designed especially for the packaging of a substantially cylindrical cheese cake designated 5, the same being preferably wrapped in metal foil or any other wrapper which will be substantially moisture proof so as to retain in the packaged material its initial moisture content and to protect the said content from exposure to air. The details of the wrapping on the cheese cake 5 form no part of the present invention, wherefore further explanation of the wrapper structure is not required.

The wrapped cheese cake 5 is enclosed, according to the present invention, in a tubular ,(in this case cylindrical) body S which may be formed of paper board wrapped in a spiral formation in a well known manner to form an elongated paper tube which is subsequently severed into sections of the required length, as indicated in Fig. 2. A suitable label or the like may be applied to the outer surface of the tubular body section 6 while the same is in the initial form illustrated in Fig. 2 or, if preferred, at any suitable later stage in the formation of the package.

One end of the body 6 is initially curled inwardly as indicated at l to form a supporting bead on which to rest an end closure disc 8 which may also be of a suitable grade of paper board. The cheese cake 5 may then be placed in the receptacle formed of the tubular body 6 and the end closure 8. Another end closure disc 9 may then be placed in the remaining open end of the body 6 and onthe top surface of the cheese cake 5, after which the other end of the tubular body B is curled inwardly as indicated at it) to form a bead for locking the end closure 9 in place in the body 6.

To facilitate opening of the package, the body t5 is provided with a circumferential series of perforations or a circumferential score line Il, whereby one of the beads (in this instance the bead Ill) may be readily torn from the body G. When such bead is removed, the adjacent end y closure may, of course, be readily withdrawn to afford access to the enclosed cheese cake.

The described package structure may conveniently be supplied by the container manufacturer to the user with one of the beads 'i or l0 formed thereon and one of the end closures in place, together with the necessary additional end closure for the other end. The user may then insert the packaged material and, by suitable apparatus, curl in the remaining bead over the other end closure to complete the package.k Preferably, the maker of the body t will also form in the body the tear line Il so that the user of the package will work on only the unweakened opposite end, thereby assuming substantially no risk of spoiling the package by breaking the tear line il.

The tear line H is preferably so located that it is outside of the plane of the adjacent end closure so that there is less tendency for air to enter through the score line perforations into the interior of the package. The end closures 8 and 9 should, of course, t snugly within the body S so as to cooperate with the tubular body in forming a fairly tight enclosure for the packaged material 5.` In some instances it may be feasible tov eliminate any wrapping on the packaged material 5 and to merely coat the inside surfaces of the' body 6 and the end closures 8" and d, making the latter of a sufficiently tight fit in the body to produce an adequate air tight enclosure forf the packaged material. The production of such an enclosure may be facilitated by the employment of a fairly heavy coating c f a ysuitable wax or of a suitable rubber wax composition on the inside surfaces of the said parts, whereby the peripheries of the end closures 8 and 9 may be more or less embedded in the coating on the body 6 and the coatings on said body and on the end closures caused to more or less fuse themselves together incident to such embedment.,

As shown in Fig. 4, when thev bead i@ is removed, the end closure disc 9 is readily removable. If desired, a suitable tab may be provided on the surface of the'disc 9 to facilitate its ree moval or as a practical matter removal may easily be eiected by pressing upwardly on the bottom disc 8 so as to push the enclosed package out of the package body.

The describedpackage is offvery simple construction but affords an eective sealing for the package and, in fact, constitutes a tamper proof scope of which should be `determined by reference tothe following claim which should be construed as broadly as possible consistent with the state of the art.

I claim':

A package comprising a. tubular paperboard body, paperboard end closure discs in said body at its ends, the end portions of the body having integrally therewith hollow inturned beads respectively overlapping said end closure 'discs on *Y the outside thereof to retain the same in the body, and an independently wrapped filling of packaged material in said body serving to maintain said end closure discs seated respectively against said beads, the package beingsubstantially greater in diameter than in depth and said packaged material and end closure discs being of such diametric size relative to said body as to be movable endwise through the body, said body being provided with scoring extending therearound adjacent the periphery of one of said end closure discs so as to facilitate removal o the adiacent bead, whereupon said independently wrapped packaged material is adapted to be displaced from said body by displacement of one of said end closure discs inwardly of said body.

- GUY NORWOOD FISHER.

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