Molding method

Details Molding method Molding method

1978-07-31

1980-11-25

Derrington, James H.

Plastic and nonmetallic article shaping or treating: processes

Utilizing heat releasable stress to reshape solid workpiece

264263, 264275, 264276, B29C 2700

Patent

active

042358329

ABSTRACT:
A method of manufacturing an electrical connector utilizing an electrical conducting wire sheathed in a highly elastic, stretchy, squeezable insulating material and embedding it within a thermoplastic material through the use of high pressure injection molding. In the method, the sheathed wire is fitted with a heat shrinkable sleeve of plastic material that is subsequently drawn about the sheathed wire to form a rigid pressure barrier. The assembly is then disposed in a mold with the sleeve disposed in an egress of the mold and the thermoplastic material is injected. The sleeve will form the rigid plug-like cover which prevents the plastic from oozing by the squeezable insulating material.

REFERENCES:
patent: 2463231 (1949-03-01), Wyatt
patent: 3417176 (1968-12-01), Anderson et al.
patent: 3834008 (1974-09-01), Witt et al.

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