Invention Application
- Patent Title: INSERT MOLDING METHOD AND A RETRACTABLE INSERT-MOLDING PIN
- Patent Title (中): 插入模制方法和可重复插入模型PIN
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Application No.: PCT/US1983000109Application Date: 1983-01-24
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Publication No.: WO1983004265A1Publication Date: 1983-12-08
- Inventor: MATTEL, INC. , PIOTROVSKY, Ralph, Kazimir
- Applicant: MATTEL, INC.
- Assignee: MATTEL, INC.
- Current Assignee: MATTEL, INC.
- Priority: US382,868 19820528
- Main IPC: C21B03/00
- IPC: C21B03/00
Abstract:
Insert molding method and a new and useful collapsible insert molding pin assembly. A molding insert (30) is provided with a plurality of collapsible pin assemblies (56) each including a hollow, cylindrical boss (58), a piston (60), a valve (62) and a pin (64).
Information query
