Title:
DOUBLE-WALL CONTAINER, METHOD FOR MANUFACTURING DOUBLE-WALL CONTAINER, AND INVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/040036
Kind Code:
A1
Abstract:
The present invention is configured to have: a blow molding step for forming, through blow molding, an intermediate molded body (200) that is provided to a boundary between an inner wall forming part (202) and an outer wall forming part (203) and that has a projection part (204) projecting to the radially outer side of the outer wall forming part (203); an inversion step for setting the intermediate molded body (200) as a double-wall container (10) by pushing and inverting the inner wall forming part (202) inside the outer wall forming part (203); and a collapsing step, which is executed before the inversion step, for adding a crease at the boundary between the inner wall forming part (202) and the outer wall forming part (203) by collapsing the projection part (204) in the depth direction of the intermediate molded body (200).
Inventors:
TSUCHIYA YOICHI (JP)
Application Number:
PCT/JP2019/032053
Publication Date:
February 27, 2020
Filing Date:
August 15, 2019
Export Citation:
Assignee:
NISSEI ASB MACHINE CO LTD (JP)
International Classes:
B29C49/42; B29C51/08; B29C51/02; B65D1/00; B65D1/26; B65D1/40; B65D1/46; B65D81/38
Foreign References:
| JPS5830969A | 1983-02-23 | |||
| JP2010052831A | 2010-03-11 | |||
| JP2004123146A | 2004-04-22 | |||
| JPS3929325B1 | 1964-12-17 | |||
| JPS5175760A | 1976-06-30 | |||
| JP2001206335A | 2001-07-31 |
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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