Method of producing composite insulator

Details Method of producing composite insulator Method of producing composite insulator

1997-02-26

1998-09-08

Ortiz, Angela

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

264275, 264DIG54, B29C 4514, B29C 3516

Patent

active

058041222

ABSTRACT:
The disclosed method of producing a composite insulator having a core portion, a sheath portion arranged on an outer surface of the core portion, and a plurality of shed portions projected from the sheath portion by using a die and heating the die, includes a step of cooling both end portions of the core portion. In the disclosed method, it is possible to provide a method in which cracks are not generated in the both end portions of the core portion during producing.

REFERENCES:
patent: 3971128 (1976-07-01), Rebosio
patent: 4281943 (1981-08-01), Viennot
patent: 4372907 (1983-02-01), Herold et al.
patent: 4476081 (1984-10-01), Kaczerginski et al.
patent: 4476084 (1984-10-01), Takada et al.
patent: 5223190 (1993-06-01), Vallauri et al.
patent: 5633478 (1997-05-01), Ishino

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