Title:
UNDERCUT PROCESSING MECHANISM, MOLDING DIE ASSEMBLY AND MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2018/179027
Kind Code:
A8
Abstract:
The present invention provides: an undercut processing mechanism which can be designed to have a compact configuration while enabling easy stripping of an undercut part and which is capable of improving the quality of a molded article; a molding die assembly; and a molded article. Provided is an undercut processing mechanism 10 which is used by being mounted to a molding die assembly 1 for molding a molded article P having an undercut part P1 and which enables stripping of the undercut part P1, the undercut processing mechanism being provided with: a push-up piece 30 which is capable of moving in the stripping direction of the molded article P; a sleeve pin 60 which is fixed to or integrally formed with the push-up piece 30 and which is capable of supporting the undercut part P1 when the push-up piece 30 is in motion; a slide piece 40 which is capable of sliding with respect to the push-up piece 30 and which moves in a direction intersecting with the stripping direction of the molded article P in tandem with the movement of the push-up piece 30; and a holding piece 50 which slidably holds the slide piece 40.
Inventors:
SORIMOTO MASANORI (JP)
Application Number:
PCT/JP2017/012247
Publication Date:
January 10, 2019
Filing Date:
March 27, 2017
Export Citation:
Assignee:
TECHNOCRATS CORP (JP)
International Classes:
B29C39/34; B29C33/44; B29C43/42; B29C45/44
Attorney, Agent or Firm:
SENTOKUIN,Hiroshi (JP)
Download PDF: