Title:
METHOD FOR COUPLING MONOLAYER FILM
Document Type and Number:
Japanese Patent JP3373493
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To heighten a strength of a connecting part while maintaining an improvement in a display of a packaging bag to be brought about by a fusing seal substantially as it is, and to improve hermetical sealability and liquid-tight sealability of the connecting part.
SOLUTION: The connecting part 3 of the fusing seal of a palms joining state of thermoplastic monolayer films 1 and 2 of a coupling structure of sides or ends of the films 1 and 2 is folded to one side, and further fusion bonded to the film 1.
Inventors:
Katsunori Futase
Application Number:
JP2000359156A
Publication Date:
February 04, 2003
Filing Date:
November 27, 2000
Export Citation:
Assignee:
Taisei Lamic Co., Ltd.
International Classes:
A01G13/02; A01G9/14; B29C65/02; B29C65/38; B29C65/74; B65B41/12; B65B51/10; B65D33/16; B65H19/18; E21D11/38; (IPC1-7): B29C65/38; B29C65/74; B65B41/12; B65H19/18
Domestic Patent References:
| JP5436366A | ||||
| JP484388B1 | ||||
| JP510213B2 | ||||
| JP5546178B1 | ||||
| JP3825685Y1 | ||||
| JP54995Y2 |
Attorney, Agent or Firm:
Junzo Ogawa (1 person outside)