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Title:
INJECTION MOLDING APPARATUS AND INJECTION MOLDING METHOD
Document Type and Number:
WIPO Patent Application WO/2017/170414
Kind Code:
A1
Abstract:
When injection molding using an electrically conductive material, the present invention limits the lengthening of injection molding cycles and the occurrence of molded product appearance defects and imparts uniform electric conductivity to the molded product. An injection molding apparatus is provided with a heating and injection means for heating and melting an electrically conductive material to a flowable temperature and injecting same into a molding mold. In said molding mold, at least a portion of forming surface of the cavity has multiple electrically conductive sections that are insulated from each other and a prescribed voltage is applied between the electrically conductive sections. A static mixer is provided in the region from the tip of the heating and injection means to the flow channel for the electrically conductive material.

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Inventors:
TAKATORI HIROYUKI (JP)
IWAMOTO MICHIHISA (JP)
TANAKA TAKAHIRO (JP)
NISHIMURA KENJI (JP)
Application Number:
PCT/JP2017/012410
Publication Date:
October 05, 2017
Filing Date:
March 27, 2017
Export Citation:
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Assignee:
MAZDA MOTOR (JP)
International Classes:
B29C45/00; B29C45/27; B29C45/73
Foreign References:
JPS4927566A1974-03-12
JP2003012939A2003-01-15
JPH0948049A1997-02-18
JP2014083753A2014-05-12
JP2005297486A2005-10-27
JP2016128235A2016-07-14
Other References:
See also references of EP 3421216A4
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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