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Title:
INJECTION MOLD AND INJECTION METHOD USED THEREOF
Document Type and Number:
Japanese Patent JP3253991
Kind Code:
B2
Abstract:

PURPOSE: To prevent the occurrence of shrinks more positively in the injection molding of a molded article having a wall thickness part partially.
CONSTITUTION: A part of the wall thickness molded part 2 is a movable mold cavity wall part 3, and cooling is effected while pressing the movable mold cavity wall part 3 inward. Thus, an excellent outer surface state having no distortion in its reflected image can be obtained in the case of employing it as an article given lustrous coating.


Inventors:
Shigeo Shingu
Yuki Mori
Application Number:
JP30382291A
Publication Date:
February 04, 2002
Filing Date:
October 24, 1991
Export Citation:
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Assignee:
ASAHI KASEI KABUSHIKI KAISHA
International Classes:
B29C45/37; B29C45/56; B29C45/00; (IPC1-7): B29C45/56; B29C45/37
Domestic Patent References:
JP4212822A
JP4356243A
JP59127740A
JP59185636A
JP63209915A
Attorney, Agent or Firm:
Yoshio Toyota (1 outside)