Title:
BAG MANUFACTURING MACHINE AND BAG MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/176330
Kind Code:
A1
Abstract:
This bag manufacturing machine manufactures a bag using a plurality of constituting elements including at least two web-shaped barrel materials. The bag manufacturing machine is provided with: a conveyance device that conveys a barrel material in a longitudinal direction of the barrel material; a temporary fastening device that temporarily fastens a first constituting element and a second constituting element among a plurality of constituting elements to each other; a bonding device that is provided downstream of the temporary fastening device and bonds the first and second constituting elements to each other; and a crosscut device that is provided downstream of the bonding device and crosscuts the barrel material in a width direction of the barrel material to manufacture a bag. The temporary fastening device is provided with a processing tool for deforming the first and second constituting elements. The temporary fastening device locally deforms the mutually laminated first and second constituting elements in a laminated direction by the processing tool and causes the same to engage with each other through a deformed portion thereof.
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Inventors:
KUMAMOTO YUJI (JP)
OHNISHI YUJI (JP)
OHNISHI YUJI (JP)
Application Number:
PCT/JP2021/044947
Publication Date:
August 25, 2022
Filing Date:
December 07, 2021
Export Citation:
Assignee:
TOTANI CORP (JP)
International Classes:
B31B70/14; B31B70/64; B31B70/88; B31B160/20
Domestic Patent References:
WO2020235188A1 | 2020-11-26 | |||
WO2016199863A1 | 2016-12-15 |
Foreign References:
CN101909868A | 2010-12-08 | |||
JP2004359296A | 2004-12-24 | |||
JP2003276098A | 2003-09-30 | |||
JP2003153949A | 2003-05-27 | |||
JP2013155046A | 2013-08-15 | |||
JP2019115588A | 2019-07-18 | |||
JP5584815B1 | 2014-09-03 |
Attorney, Agent or Firm:
MINORI PATENT PROFESSION CORPORATION (JP)
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