Title:
SHEET MATERIAL CONTAINER MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/224995
Kind Code:
A1
Abstract:
This sheet material container manufacturing method is for a sheet material container (100) formed by being provided with one or more sheet materials including a body forming sheet material (21). The sheet material container (100) is provided with: a housing region (17) that houses a content (18); and a container body (20) that is formed from the body forming sheet material (21) and that encircles the housing region (17). The body forming sheet material (21) has: a body seal part (26) that serves as a joint part between an external film layer (22) and an internal film layer (23); a non-joint part (24) in which the external film layer (22) and the internal film layer (23) are partially not joined; and a filled section (60) which is in the non-joint part (24) and in which a filler is sealed. The method includes: a step for introducing gas to the housing region (17) and inflating the container body (20); and a step for injecting a filler to a portion, in the non-joint part (24), between the external film layer (22) and the internal film layer (23) in a state where the container body (20) is inflated.
Inventors:
OTSUKA TAKAHIRO (JP)
OYAMA TSUBASA (JP)
OYAMA TSUBASA (JP)
Application Number:
PCT/JP2020/018701
Publication Date:
November 11, 2021
Filing Date:
May 08, 2020
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
B65D30/16; B31B70/84
Foreign References:
| JP2016525050A | 2016-08-22 | |||
| JP2019172347A | 2019-10-10 | |||
| JP2018144363A | 2018-09-20 | |||
| JP2007118961A | 2007-05-17 | |||
| JP2006027697A | 2006-02-02 | |||
| JP2016525050A | 2016-08-22 |
Attorney, Agent or Firm:
MIGITA, Shunsuke (JP)
Download PDF: