Claims
- 1. A packing container provided with an opening arrangement comprising a substantially cylindrical body member formed from a convoluted blank with overlapping sealed end portions, said body member being closed at the top and bottom thereof and comprised of a carton forming material having a base layer and at least one layer of thermoplastic material disposed on the inside of the body member, a tear thread disposed circumferentially on said thermoplastic layer on the inside of the body member adjacent to and spaced from the top thereof, the outer of said overlapped sealed end portions being provided, at the top thereof, with a circumferentially extending tab member having the tear thread passing circumferentially therealong, and the inner of said overlapped sealed end portions having a cut-out portion at the top thereof corresponding in size and shape with the tab member, the circumferential dimension of the cut-out portion being about 3/4 to 4/5 of the width of the overlapping seal below said cut-out portion to provide an upper, vertically extending, narrow finger-like seal between the outer of said end portions adjacent said tab member and the inner of said end portions adjacent the cut-out portion, whereby opening the packing container may be facilitated by pulling the tab member and associated tear thread to tear through the narrow finger-like seal and cylindrical body members.
- 2. A packing container as claimed in claim 1 wherein the base layer of the carton forming material comprises a foamed plastic material and the at least one thermoplastic layer comprises a homogeneous thermoplastic material.
- 3. A packing container as claimed in claim 1 wherein said tab member is integral with said body member.
- 4. A packing container as claimed in claim 2 wherein said tab member is integral with said body member and said tab member is compact and rigid and is directed outwardly from the circumference of the packing container to facilitate gripping of the tab member for opening said container.
Parent Case Info
This application is a continuation-inpart of our application Ser. No. 720.516 filed Sept. 3, 1976
US Referenced Citations (5)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
720516 |
Sep 1976 |
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