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
Yuki Mori
Application Number:
JP30382291A
Publication Date:
February 04, 2002
Filing Date:
October 24, 1991
Export Citation:
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)