Production of composite insulators

Details Production of composite insulators Production of composite insulators

1996-03-18

1998-07-21

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating or impregnating workpiece before molding or shaping...

264265, 425111, B29C 4516, B29C 4536, B22B 712

Patent

active

057831289

ABSTRACT:
A composite insulator-producing process including the steps of forming the housing from the housing-forming insulating polymer material and then vulcanized around the outer periphery of the rod-shaped core member by using the mold in the state that the core member is mechanically or thermally expanded by substantially (.delta.-.alpha.) or more in which .delta. is an axially linear expanded length by which the core member would be thermally expanded if the core member is heated to a molding temperature for the housing, and .alpha. is an axially linear expanded length by which the mold would be thermally expanded if the mold is heated to a molding temperature.

REFERENCES:
patent: 4057687 (1977-11-01), Willem
patent: 4702873 (1987-10-01), Kaczerginski

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