Method for producing a metal elements-resin insert, a connector

Details Method for producing a metal elements-resin insert, a connector Method for producing a metal elements-resin insert, a connector

1994-06-08

1996-06-18

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264255, 264263, 264274, 264277, B29C 4514, B29C 7070

Patent

active

055275028

ABSTRACT:
A metal elements-resin insert is produced by holding metal elements such as conductive bus bars 8 and the like in a forming cavity 5 of a mold assembly 3, 4 by a support pin 6 projecting in the mold assembly 3, 4. The metal elements 8 embedded in a resin material can overcome problems of corrosion and electrical short-circuit in which the metal elements contact with air or moisture entering through drawn holes 7 formed by support pin 6 into the resin material and can improve the moisture and air proof function. The resin insert is produced by: predeterminately forming preformed portions 13 which embed a main portion of the metal elements 8 in a resin material 1 and have a support pin aperture 7 which does not reach the metal elements 8 and adapts to receive a top end of the support pin 6 and have a positioning protrusion 15 which adapts to contact with the inner wall of the forming cavity 5; inserting the metal elements 8 with the preformed portions 13 into the forming cavity 5 so that the preformed portions 13 are pinched in the cavity between the support pin 6 received in the support pin aperture 7 and the positioning protrusion 15; and pouring a molten resin material into the forming cavity 5 so that the metal elements with the preformed portions are embedded in the resin material 1.

REFERENCES:
patent: 3549477 (1970-12-01), Burgman
patent: 4855807 (1989-08-01), Yamaji et al.
patent: 5030116 (1991-07-01), Sakai

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