JPS6287041U - - Google Patents

Description

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

第１図は本案の開封袋の開口段部の実施例を示
す正面図、第２図は開口部の縦断面図、第３図は
開口状態の縦断面図、第４図は開口部の斜視図、
第５図は封緘状態の正面図、第６図は袋の展開図
である。 １……襞、２……筒状袋、３……内層表側低端
縁、４……外層裏側高端縁、５……開口段、６，
６′……接着剤、７……開口部。 Fig. 1 is a front view showing an embodiment of the opening step of the opening bag of the present invention, Fig. 2 is a longitudinal sectional view of the opening, Fig. 3 is a longitudinal sectional view of the opened state, and Fig. 4 is a perspective view of the opening. figure,
FIG. 5 is a front view of the sealed bag, and FIG. 6 is a developed view of the bag. 1...Folds, 2...Tubular bag, 3...Inner layer front side low edge, 4...Outer layer back side high edge, 5...Opening stage, 6,
6'...adhesive, 7...opening.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内層及び外層よりなる両襞付筒状袋において、
内層表側低端縁及び外層裏側高端縁によつて開口
段を形成し、内層裏側低端縁の外面と外層裏側内
面とを接着剤でシールし、かつ内層表側低端縁を
境界として内層表側外面及び外層裏側内面に亘つ
て接着剤を塗布し、同接着剤によつて上記境界の
開口部をシールし、同接着剤塗布部を外層表面側
に折返してなる開封袋。 In a double pleated cylindrical bag consisting of an inner layer and an outer layer,
An opening step is formed by the lower edge of the front side of the inner layer and the higher edge of the back side of the outer layer, and the outer surface of the lower edge of the lower side of the inner layer and the inner surface of the back side of the outer layer are sealed with an adhesive, and the lower edge of the inner layer front side is used as the boundary to form an opening step. and an opening bag formed by applying an adhesive to the inner surface of the back side of the outer layer, sealing the opening at the boundary with the adhesive, and folding the adhesive-applied part toward the surface of the outer layer.