Title:
INSERT MOLDING MOLD AND METHOD FOR MANUFACTURING INSERT MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2022/270146
Kind Code:
A1
Abstract:
An insert molding mold (10) for insert-molding a nut (4) is provided with a core pin having a barrel part (20h) having a contact part (20b) with which a bottom surface of the nut is brought into contact and a cylindrical retention part (20a) projected in an axial direction of the nut from the barrel part and inserted into a threaded hole of the nut. The retention part has a cylindrical part (20c) projected from the contact part and inscribed in the threaded hole of the nut, has an axial slit (20e) at a tip thereof from the cylindrical part, and has a protruding part (20h) protruding from an outer peripheral surface of the cylindrical part. Because an insert molded article (1) and the core pin are fitted to each other by the retention part having the protruding part, fixation is allowed accurately and without damage at a position at which the central axis of a nut representing an insert article and the central axis of the core pin are aligned with each other.
Inventors:
HARUI YASUYUKI (JP)
Application Number:
PCT/JP2022/018681
Publication Date:
December 29, 2022
Filing Date:
April 25, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B29C45/14; B29C33/12; B29C45/26
Foreign References:
| JPH07276388A | 1995-10-24 | |||
| JP2004249565A | 2004-09-09 | |||
| JPS609614U | 1985-01-23 | |||
| JP2007062040A | 2007-03-15 |
Attorney, Agent or Firm:
PALMO PATENT FIRM, P.C. (JP)
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