JPS5935316U

JPS5935316U - waterproof paper cup

Info

Publication number: JPS5935316U
Application number: JP13153482U
Authority: JP
Inventors: 藤田　誠一
Original assignee: 大日本印刷株式会社
Priority date: 1982-08-31
Filing date: 1982-08-31
Publication date: 1984-03-05

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来の紙カップの垂直断面図、第２図乃至第４
図ハは本考案の一実施例を表し、第２図は垂直断面図、
第３図は第２図のＡ部の一部拡大端面図、第４図イ１口
、ハは作成途中の状態を示す一部拡大端面図、第５図乃
至第７図はそれぞれ本考案の実施例を示す一部拡大端面
図である。図の主要な部分を表わす符号の説明、１・・曲折退部、
３・・・・・・底紙、４・・・・・・立起部、５・・・
・・・折り返された部分、６・・・・・・胴部８の下端
部、８・・・・・・胴部、９・・・・・・金型、１０・
・・・・・切断面、２１．２２・・曲耐水性とヒートシ
ール性とを有する合成樹脂、２３・・・・・・カップ原
紙、８０・・・中胴部ブランク板のうち立起部４より下
側の下方部、９０・・・・・・ローレット。Figure 1 is a vertical sectional view of a conventional paper cup, Figures 2 to 4
Figure C represents an embodiment of the present invention, Figure 2 is a vertical sectional view,
Fig. 3 is a partially enlarged end view of part A in Fig. 2, Fig. 4 A and C are partially enlarged end views showing the state in the middle of production, and Figs. FIG. 3 is a partially enlarged end view showing an example. Explanation of the symbols representing the main parts of the figure, 1... bending and retreating parts,
3...Bottom paper, 4...Rise part, 5...
...Folded part, 6...Lower end of body 8, 8...Body, 9...Mold, 10.
... Cut surface, 21.22 ... Synthetic resin having curved water resistance and heat sealability, 23 ... Cup base paper, 80 ... Standing part of middle body blank board Lower part below 4, 90...knurling.

Claims

[Scope of utility model registration request]

A waterproof paper cup made of a material laminated with water-resistant synthetic resin on both the inside and outside surfaces, and characterized in that the folded portion at the lower end of the body is folded back toward the upright portion of the bottom paper.