Title:
PACKAGING BAG AND MANUFACTURING SYSTEM THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/261436
Kind Code:
A1
Abstract:
Provided is a packaging bag manufacturing system which is excellent in manufacturing efficiency. According to the present invention, provided is a packaging bag manufacturing system comprising a film supply device, a conveyance device, a bottom insertion device, a bottom sealing device, a side sealing device, and a cutoff device, wherein: the film supply device supplies mutually facing front long film and back long film; the conveyance device is configured so as to convey the front long film and the back long film; the bottom insertion device, the bottom sealing device, the side sealing device, and the cutoff device are arranged in said order along the conveyance direction; the bottom insertion device is configured so as to begin inserting a bottom long film between the front long film and the back long film at an insertion start position and to complete the insertion of the bottom long film at an insertion completion position located on the downstream side of the insertion start position; the bottom sealing device is configured so as to weld the bottom long film to the front long film and to the back long film; the side sealing device forms side seal parts perpendicularly extending to the conveyance direction so as to weld the front long film and the back long film together; and the cutoff device cuts off the front long film, the back long film, and the bottom long film along the side seal parts.
Inventors:
KAIZU MASARU (JP)
HAYASHI HIROYUKI (JP)
SUEOKA MASAAKI (JP)
MORIOKA SHUN (JP)
MUROYA YOSUKE (JP)
HAYASHI HIROYUKI (JP)
SUEOKA MASAAKI (JP)
MORIOKA SHUN (JP)
MUROYA YOSUKE (JP)
Application Number:
PCT/JP2021/023382
Publication Date:
December 30, 2021
Filing Date:
June 21, 2021
Export Citation:
Assignee:
KYORAKU CO LTD (JP)
International Classes:
B65D30/16; B31B70/10; B65D33/01; B65D33/06; B65D81/34
Foreign References:
| JP2005178068A | 2005-07-07 | |||
| JP2019001550A | 2019-01-10 | |||
| JP2018083640A | 2018-05-31 | |||
| JP2019199259A | 2019-11-21 | |||
| JP2017071424A | 2017-04-13 |
Attorney, Agent or Firm:
SK INTELLECTUAL PROPERTY LAW FIRM et al. (JP)
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