Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PRESS-MOLDED ARTICLE MOLDING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/003433
Kind Code:
A1
Abstract:
The present invention makes it possible to reduce the pressure for molding molded articles and fill glass fibers adequately even in thin-walled portions of a molded article, also makes it possible to use a feedstock with high glass fiber content, and stabilizes molded article quality. A method for manufacturing a molded article by press-molding an intermediate base material obtained by dispersing reinforcing fibers in a thermoplastic resin using a mold, wherein the heated intermediate base material is pressed using a mold heated to at least 120°C and held in a pressurized state, the mold is cooled while maintaining the pressurized state, and after mold cooling, the pressing pressure is released.

Inventors:
SEKIYAMA MASAYOSHI (JP)
NINOMIYA NOBORU (JP)
Application Number:
PCT/JP2017/021039
Publication Date:
January 04, 2018
Filing Date:
June 07, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KODAMA CHEMICAL IND CO LTD (JP)
International Classes:
B29C43/58; B29C43/52; B29C70/18; B29C70/42; B29K101/12; B29K105/08
Domestic Patent References:
WO2015023000A12015-02-19
Foreign References:
JP2016104843A2016-06-09
JP2013176876A2013-09-09
JP2014104624A2014-06-09
Attorney, Agent or Firm:
EICHI PATENT & TRADEMARK CORP. (JP)
Download PDF: