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Title:
INJECTION MOLDING DIE, RESIN MEMBER, AND METHOD FOR PRODUCING RESIN ARTICLE
Document Type and Number:
WIPO Patent Application WO/2018/221187
Kind Code:
A1
Abstract:
An injection molding die equipped with a gate and a cavity, and configured in a manner such that a weld section is formed inside the cavity by injecting a reinforcing fiber-containing molten resin into the cavity through the gate, wherein: the cavity surface of the injection molding die has ridge sections (140) which project into the inside of the cavity near the end section of the cavity on the downstream side thereof in the direction in which the resin flows; and the ridge sections are separated from the weld section in a direction which intersects the direction in which the weld extends, and extend in a direction which intersects the direction in which the weld extends.

Inventors:
HUKATSU Shunsuke (1-1 Kyobashi 3-chom, Chuo-ku Tokyo 40, 〒1048340, JP)
TANAKA Kanji (1-1 Kyobashi 3-chom, Chuo-ku Tokyo 40, 〒1048340, JP)
NISHIMURO Yoichi (1-1 Kyobashi 3-chom, Chuo-ku Tokyo 40, 〒1048340, JP)
Application Number:
JP2018/018580
Publication Date:
December 06, 2018
Filing Date:
May 14, 2018
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (1-1 Kyobashi 3-chome, Chuo-ku Tokyo, 40, 〒1048340, JP)
International Classes:
B29C45/37; B29C45/00; B29C70/12; F16L15/00
Foreign References:
JP2016035310A2016-03-17
JPH0691707A1994-04-05
JP2009526666A2009-07-23
JP2013103472A2013-05-30
JP2014124785A2014-07-07
Attorney, Agent or Firm:
SUGIMURA Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigasek, Chiyoda-ku Tokyo 13, 〒1000013, JP)
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