JPS6138037U - Pleated multi-layer bag with air inlet - Google Patents

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図乃至第５図は本考案袋の底部形成状態の過程を示
す平面図、第２図は斜視図、第６図は第４図のＡ−Ａ線
の拡大縦断面図、第７図は第５図のＢ−Ｂ線の拡大縦断
面図、第８図は完成底部を一部破いた状態の拡大斜視図
、第９図は本考案袋の斜視図である。 尚図中各符号は１，１′は内外層、２，２は襞部、３は
切目線、４は折目線、５は吹出口、６は頂部、，７．７
は縦切目線、８は外層片、９，９は折目線、１０は折曲
部、１１は接着剤を各々示すものである。Figures 1 to 5 are plan views showing the process of forming the bottom of the bag of the present invention, Figure 2 is a perspective view, Figure 6 is an enlarged vertical sectional view taken along line A-A in Figure 4, and Figure 7. 5 is an enlarged vertical sectional view taken along the line B-B in FIG. 5, FIG. 8 is an enlarged perspective view of the finished bottom partially torn off, and FIG. 9 is a perspective view of the bag of the present invention. In addition, the respective symbols in the figure are 1 and 1' for the inner and outer layers, 2 and 2 for the pleats, 3 for the cut line, 4 for the fold line, 5 for the air outlet, 6 for the top, and 7.7
8 is a longitudinal cut line, 8 is an outer layer piece, 9, 9 is a fold line, 10 is a bent part, and 11 is an adhesive.

Claims (1)

【実用新案登録請求の範囲】 複数層よりなる襞付多層筒状体の上端縁より縦切目線を
切刻し、その端末より一側縁に渉って４５０の折目線を
切刻し、その隅角部を切目線と折目線を介して内方に折
込み吹込口とし次いで、吹込口以外の隅角部の襞部を構
成する一方の襞頂部の外層のみに縦切目線を切刻すると
共にその端末に上下口縁に平行して折目線を刻切し、外
層片と他の層とを縦切目線を介して分離し、外層片のみ
を残して他の層を折目線を介して全部一方向に折返して
折曲部を形成し、この外層片内面と折曲部外面とに接着
剤を施す。 更らに折曲部を巻回し外層片が折曲部を被覆するように
各々折曲げ筒状体壁に貼着してなる吹込口を有する襞付
多層袋。[Claims for Utility Model Registration] Vertical score lines are cut from the upper edge of a pleated multilayer cylindrical body made of multiple layers, and 450 fold lines are cut from the end to one side edge. The corner part is folded inward through the score line and the crease line to form an air inlet, and then a vertical score line is cut only in the outer layer of the top of one of the folds constituting the fold part of the corner other than the air inlet. A crease line is cut parallel to the upper and lower edges at the end, and the outer layer piece and other layers are separated via the vertical cut line, leaving only the outer layer piece and cutting the other layers completely through the crease line. The outer layer piece is folded back in one direction to form a bent portion, and an adhesive is applied to the inner surface of this outer layer piece and the outer surface of the bent portion. The pleated multilayer bag further has an inlet formed by wrapping the folded part and attaching outer layer pieces to the wall of the folded cylindrical body so as to cover the folded part.