JPS618542U

JPS618542U - multilayer bag

Info

Publication number: JPS618542U
Application number: JP9261784U
Authority: JP
Inventors: 忠雄山路
Original assignee: Individual
Current assignee: Individual
Priority date: 1984-06-22
Filing date: 1984-06-22
Publication date: 1986-01-18

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図は本考案に係る多層袋の一例を示す一部切欠正面
図、第２図は第１図Ａ−Ａ’線における拡大横断平面図
、第３図は第１図Ｂ−Ｂ’線における拡大縦断平面図、
第４図は要部の説明図、第５図はｖ字状の弁片が開口し
たききの説明図である。図中各符号は１は最外層原紙、２は最内層原紙、３は合
成樹脂管状フィルム、４はバルブロ、５，５′はミシン
縫合、■は多層袋、，７．７はｖ字状の弁片、８は頂点
、９に上方基線、１０はｖ字開口部を夫々示すものであ
る。Fig. 1 is a partially cutaway front view showing an example of a multilayer bag according to the present invention, Fig. 2 is an enlarged cross-sectional plan view taken along line A-A' in Fig. 1, and Fig. 3 is a cross-sectional view taken along line B-B' in Fig. 1. Enlarged longitudinal plan view of
FIG. 4 is an explanatory view of the main part, and FIG. 5 is an explanatory view of the V-shaped valve piece opening. In the figure, 1 is the outermost base paper, 2 is the innermost base paper, 3 is a synthetic resin tubular film, 4 is Valbro, 5 and 5' are machine stitched, ■ is a multilayer bag, 7.7 is a V-shaped In the valve piece, 8 indicates the apex, 9 indicates the upper base line, and 10 indicates the V-shaped opening.

Claims

[Scope of utility model registration request]

In a multilayer bag in which a synthetic resin tubular film or a synthetic resin film is interposed between layers around the entire circumference as one layer of the bag, V is formed at multiple locations along the longitudinal direction of the synthetic resin film surface.
A multilayer bag made by cutting out letter-shaped valve pieces.