US2009539A - Paper container - Google Patents

Description

July 30, 1935. H. WOOTTON PAPER CONTAINER Filed Feb. 25, 1955 Patented July 30, 1935 UNITED STATES PATENT OFFICE PAPER CONTAINER Harry Wootton, Upper Montclair, N. 1., assignor to Mono Service 00., Newark, N. I.

This invention relates to paper containers such as are described in the applications already filed in the names of Elmer Zebley Taylor, Serial No. 570,427, dated October 22, 1931, Edmund Paul Herrmann, Serial No. 632,598, dated September.

10, 1932, and EdmundPaul Herrmann, Serial No. 649,648, dated December 30, 1932, and comprising in each case a conical double-walled body in one end of which a closure is secured. After filling a closure is to be applied to the other end, and special means are described in each of the said prior applications for subsequently opening the container, consisting in the formation of weakening lines around that part oi the blank which forms that end of the body at which the container is to be opened, so that the portion between such weakening lines can separating the end of the. body with the closure secured therein from the main body of the container and exposing the contentsfor use as required.

In the preferred formdescribed in the prior applications above referred to the container is to be opened at the smaller end, but in the present invention the container is to be opened at the larger end, and the construction is such that the,

removed end with the closure secured therein can be very conveniently used as a cover for the container if all the contents have not been removed.

The invention is illustrated in the accompanying drawing, in which Fig. 1 represents on an enlarged scale a portion of the upper end of a filled container; Fig. 2 shows the upper end of such container separated and in use as a cover; Fig. 3 shows a modified arrangement in which a different form of end closure is employed, and Figs.

4, and 6 suitable arrangements of the weakening lines on the body blank.

In carrying out the present invention a blank I is employed for the conical body in which weakening lines 3, 4, are formed, which may be arranged as shown for example in either of the ways illustrated in Figs. 4, 5 and 6. In Fig. 4 it will be seen that, as described in Elmer Zebley Taylor's prior application No. 570,427 above referred to, the line 3 extends parallel with the edge of the blank i throughout the whole length thereof, and that line 4 is also parallel with such edge in the part which forms the inner wall of the container and then widens out and extends spirally along the part constituting the outer wall, and'that a tab 5 is left on the edge of the blank between the outer ends of the weakening lines 3, 4. When this arrangement is employed it is necessary in tearing out the strip between be torn out, thus the weakening lines to open the container to make two complete turns around the latter, but if the arrangements of weakening lines shown in Figs. 5 and 6 are employed the entire strip 6 can be torn out by a single turn around the container. 5

In Fig. 5 the weakening lines 3, 4, are arranged as described in the specification of Edmund Paul Herrmanns prior United States application Serial No. 632,598, the line 3 being againparallel with the edge of blank I throughout its length, and 10 line 4 also parallel therewith throughout its length but spaced farther away from line 3 in the portion forming the outer wall of the body of the container than in the portion forming the inner wall, and a cut i being made at a suitable point between the weakening lines to form a tab by which both portions of the strip 6 canbe torn out in one turn around the container.

Fig. 6 shows the arrangement described in Edmund Paul Herrmanns prior United States ap plication Serial No. 649,648, in which line 3 is again parallel with the edge of blank I, and line 4 also parallel therewith in the portion forming the inner wall, and then extending spirally around the part forming the outer wall, a tab 5 being left 2 on the edge of the blank as in the arrangement shown in Fig. 4. A cut 8 is made at a point which when the blank is rolled up to form the conical body of the container comes immediately beneath the tab 5, and the adhesive employed is in this case applied to the part of the inner wall adjacent to this cut 8, so that when the tab' is pulled to open the container the adhesion between the inner and outer parts of strip 6 will cause them both to be torn out at one operation, by a single turn around the container. 4 When the arrangements shown in Figs. 4 and 5 are employed the strip 6 between the weakening lines I, 4, may be left uncoated with adhesive, or only lightly coated, the adhesion caused by the 40 treatment with paraflln wax or other waterproofing agent being depended on either entirely or partially to hold the two walls of the body together at this point.

The blank I, with weakening lines according to these or other suitable arrangements, is rolled up to form a conical double-walled body. 2, and a,

closure of suitable form is secured at its smaller 9 end. The upper edge of the body is turned over outwardly as shown at in on the left hand side of I Fig. 1, and a suitable formation, suchas groove ,is imparted thereto. This turned over portion is, after the insertion of a closure disc ii in groove it, turned inwardly, as shown at the right hand side of Fig. 1, to secure the disc ll inplace.

The outward turning of the upper edge or the body, instead or the inward turning usual in containers 0! this class, avoids the apron extending downwardly inside the finished container below the end closure II, which is considered to be undesirable when the container is used for certain classes of goods.

In Fig; 3 the end closure, instead 0! consisting oiaflat discasinFigJJsshownasadisc "having a flange i3, and is securely held in its place in the container by turning over the upper edge of the latter to surround such flange, and which upper edge in this case has not necessarily been previously turned over outwardly, as when this method oi. closing the container is employed there is no apron depending below the closure.

When it is desired to open a container formed as above described, this is eiiected by tearing out the strip 6 between the weakening lines. as described in the prior applications hereinbeiore referred to. This will separate the upper end of the container with the closure attached thereto, and this separated upper end can be subsequently used as a lid or cover it all the contents have not been taken out, the depending edge of the separated cover portion fitting outside the upstanding edge 01. the inner wall leit by the removal 01 the strip 6, as shown mm. 2.

One or the advantages oi the present invention is that it will not be necessary to provide a separate cover to be used in case oi. need after the original closure has been removed, as the cover made integral with the'container and separated as above described will serve very eiiectually for this purpose.

What I claim and desire to secure by patent is:--

A paper container comprising a body having a double wall composed of an inner ply and an outer ply and provided at points spaced from one end with weakening lines spaced apart and forming a strip therebetween extending from end to end of the blank and the portion 0! which on the outer ply is of greater width than the portion thereo! on the inner ply, from which said wall is formed, the first named end oi. the wall having a closure and being separated from the remaining portion of the wall when said strip is torn out, the body of said container being conical, said separable end portion of its wall being at the larger end thereof and after tearing of said strip and re-application oi the separable end portion to the body being adapted to at on the outer suriace oi the inner ply or the wall lett exposed by the removal or such strip and thereby adapt the cover to be refitted on the body wall after the strip has been torn out and the cover has been removed.

I HARRY WOO'I'I'ON.

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