Title:
METHOD FOR MANUFACTURING SELF-STANDING PACKAGING BAG, SELF-STANDING PACKAGING BAG, AND DEVICE FOR MANUFACTURING SELF-STANDING PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2022/054952
Kind Code:
A1
Abstract:
A method for manufacturing a self-standing packaging bag (1) comprising: a step of feeding a body long sheet material (6AR) and bonding lateral ends (6a, 6b) on both sides in a width direction crossing a feeding direction of the body long sheet material (6AR) together to form a long cylindrical body (8); a step of cutting out the cylindrical body (8) at a constant length in the feeding direction to form a plurality of sleeve-shaped bodies (9); a step of making cuts (6c) on both sides in the width direction in one opening end (9e) of each of the plurality of sleeve-shaped bodies (9); a step of inserting a half-folded bottom long sheet material (6BR) into the cuts (6c) of each of the plurality of sleeve-shaped bodies (9) in a state where each of the plurality of sleeve-shaped bodies (9) is arranged in a width direction thereof; a step of bonding each of the plurality of sleeve-shaped bodies (9) and the bottom long sheet material (6BR) inserted into the cuts (6c) of each of the plurality of sleeve-shaped bodies (9) together; and a step of dividing the bottom long sheet material (6BR) for each of the plurality of sleeve-shaped bodies (9).
Inventors:
ICHIKAWA TORU (JP)
Application Number:
PCT/JP2021/033588
Publication Date:
March 17, 2022
Filing Date:
September 13, 2021
Export Citation:
Assignee:
HOSOKAWA YOKO KK (JP)
International Classes:
B31B70/64; B31B70/14; B31B70/84; B65D30/16; B31B155/00; B31B160/20
Domestic Patent References:
| WO2020059647A1 | 2020-03-26 |
Foreign References:
| JP2001171689A | 2001-06-26 |
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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