Title:
INJECTION MOLDING METHOD FOR FOAMED MOLDED ARTICLE
Document Type and Number:
Japanese Patent JP2004025696
Kind Code:
A
Abstract:
To provide an injection molding method capable of obtaining a foamed molded product causing no collape of foam cells and having excellent appearance.
The foaming agent in a molding cavity is pressurized to a foaming pressure or more and, in this state, a foamable resin raw material is charged in the molding cavity.
Inventors:
SHIMIZU YASUYUKI
Application Number:
JP2002187346A
Publication Date:
January 29, 2004
Filing Date:
June 27, 2002
Export Citation:
Assignee:
TAKANICHI KK
International Classes:
B29C45/26; B29C45/00; B29K105/04; (IPC1-7): B29C45/00; B29C45/26
Attorney, Agent or Firm:
Tatsuo Watanuki
Akio Najima
Fumio Yamamoto
Akio Najima
Fumio Yamamoto