Title:
GUSSET BAG HAVING ZIPPER AND ITS MANUFACTURE
Document Type and Number:
Japanese Patent JP3071391
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To easily and surely perform the fitting of a zipper member.
SOLUTION: A cylindrical bag main body part 10 has a pair of flat surface parts 11, 11 which constitute the front side and the rear side of the bag, and are confronted to each other, and two side surfaces 23, 23 which are formed in such a manner that they may be equipped with folding-in parts 22, 22 which are folded inward into a pleated state. Then, the folding-in parts 22, 22 of the bag main body 10 are cut off in the fitting direction of a zipper 30 at a specified location from the mouth end parts. Then, the end parts of the cut off folding-in parts 22, 22 are welded onto the internal surface of one of the flat surface parts 11, 11 of the pair of flat surface parts which are confronted to each other under a state being pressed by either one of chuck tapes of a pair of a male type chuck tape and a female type chuck tape which contitute a zipper 30.
Inventors:
Kuge Rai Kura
Daiki Ishikawa
Daiki Ishikawa
Application Number:
JP9132996A
Publication Date:
July 31, 2000
Filing Date:
April 12, 1996
Export Citation:
Assignee:
Hosokawa Yoko Co., Ltd.
International Classes:
B65D33/25; B31B31/74; B65D30/16; (IPC1-7): B65D33/25; B31B31/90; B65D30/16
Domestic Patent References:
| JP834450A | ||||
| JP724941A | ||||
| JP7100965A |
Attorney, Agent or Firm:
Yasuo Ishikawa