发明名称 PAPER CUP
摘要 PROBLEM TO BE SOLVED: To provide a paper cup in which the transverse strength of a mouth edge part and a barrel part even when the basis weight of paper is reduced. SOLUTION: In this paper cup comprising the barrel part 11 and a bottom part 12, and having the mouth edge part 13 with a circumferential edge of an opening part curled outwardly, the mouth edge part 13 has at least one-fold curled portion on a lower part 13a of the mouth edge part and at least two-fold curled portion on an upper part 13b of the mouth edge part.
申请公布号 JP2002037233(A) 申请公布日期 2002.02.06
申请号 JP20000224954 申请日期 2000.07.26
申请人 TOPPAN PRINTING CO LTD 发明人 SAKUMA JUN;HIDAKA TAKASHI;OSAKI KATSUHIRO
分类号 B65D3/06;B31B49/00;B65D3/14;(IPC1-7):B65D3/06 主分类号 B65D3/06
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