PAPER CUP

PROBLEM TO BE SOLVED: To provide a paper cup having a doubly rolled opening margin portion which causes neither looseness of the roll nor rim jump with elapse of time. SOLUTION: The paper cup (20) having the opening margin portion (13) made by outward rolling the opening circumferential margin is co...

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Bibliographische Detailangaben
1. Verfasser: OSAKI KATSUHIRO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a paper cup having a doubly rolled opening margin portion which causes neither looseness of the roll nor rim jump with elapse of time. SOLUTION: The paper cup (20) having the opening margin portion (13) made by outward rolling the opening circumferential margin is composed of resin converted paper (1) formed of paper (3) as a base material having a polyethylene resin layer (2) on the internal surface and comprises a body portion (10) and a bottom portion (11). An adhesive layer (4) having a constant width in the circumferential direction is formed in the upper end margin of the fan-shaped body paper (10) forming the body portion, and the adhesive layer is made of a pressure-sensitive adhesive or a heat seal varnish. COPYRIGHT: (C)2004,JPO