Title:
不正開封防止機能を付加したスライダー付きチャックを有する袋体とその製造方法
Document Type and Number:
Japanese Patent JP5363453
Kind Code:
B2
Abstract:
A plastic bag body having a preventive function against unfairly unsealing and having a plastic zipper with a slider equipped therewith is provided by which hermetic sealing can be kept, and which can be produced mechanically and successively at an excellent productivity. In a bag body comprising a bag made of two plastic films 2, 3, both ends of which are welded 7, and having plastic zipper 5 with a slider at an opened portion of the bag, a cover film 4 rides astride and covers top portions of the plastic slider 6, under a condition wherein the plastic zipper is closed, and of the plastic zipper, except for a welded portion located opposite to the slider of the bag body, at least one lower end of the cover film extending for full width of the bag body 1, and the plastic film, the lower ends of the cover film and the flange portions are welded together.
Inventors:
Toshikazu Kasai
Application Number:
JP2010260292A
Publication Date:
December 11, 2013
Filing Date:
November 22, 2010
Export Citation:
Assignee:
Toshikazu Kasai
International Classes:
B65D33/34; B31B1/90; B31B50/25; B31B50/64; B65D33/25
Domestic Patent References:
| JP2003520160A | ||||
| JP2002179098A | ||||
| JP2001505853A | ||||
| JP2008013214A | ||||
| JP2001018928A |
Foreign References:
| US20060062495 | ||||
| US20030124294 | ||||
| US20050157959 | ||||
| US20030208989 |
Attorney, Agent or Firm:
Eiji Sannaka
Motokatsu Sannaka
Motokatsu Sannaka