Title:
APPARATUS FOR PRODUCING RESIN MOLDED ARTICLE, METHOD FOR PRODUCING RESIN MOLDED ARTICLE, AND RESIN MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2020/262595
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: an apparatus for producing a two-layer preform from which a two-layer delamination container is able to be easily produced by a hot parison blow molding method; a method for producing a two-layer preform; and a resin molded article. An apparatus 100 for producing a two-layer preform 1, which is composed of a preform 2 for an inner layer and a preform 3 for an outer layer, according to the present invention is provided with a cavity mold 21 for an outer layer for injection molding the preform 3 for an outer layer; and the bottom surface of the cavity mold 21 for an outer layer is provided with a projection 24 for separating the preform 2 for an inner layer from the bottom surface, said preform 2 for an inner layer being arranged within the cavity mold 21 for an outer layer.
Inventors:
KAWAMURA RYO (JP)
USAMI MASAYUKI (JP)
USAMI MASAYUKI (JP)
Application Number:
PCT/JP2020/025173
Publication Date:
December 30, 2020
Filing Date:
June 26, 2020
Export Citation:
Assignee:
NISSEI ASB MACHINE CO LTD (JP)
International Classes:
B29B11/08; B29C33/42; B29C45/14; B29C45/16; B29C49/06; B29C49/22; B29C49/48; B65D1/02
Foreign References:
| JP2000043126A | 2000-02-15 | |||
| JP2014069875A | 2014-04-21 | |||
| JP2018062146A | 2018-04-19 | |||
| US20100092711A1 | 2010-04-15 | |||
| JP2009007060A | 2009-01-15 | |||
| JP2018062146A | 2018-04-19 | |||
| JP2010082916A | 2010-04-15 | |||
| JP5267901B2 | 2013-08-21 |
Other References:
See also references of EP 3991937A4
Attorney, Agent or Firm:
YAMAMOTO, Osamu et al. (JP)
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