Method for manufacturing plastic electrical insulators

Details Method for manufacturing plastic electrical insulators Method for manufacturing plastic electrical insulators

1981-01-19

1983-02-08

Pavelko, Thomas P.

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

2642711, 26427215, 2643282, 264DIG54, B29D 3100

Patent

active

043729070

ABSTRACT:
A method for fabricating a plastic electrical insulator having a fiberglass-reinforced plastic core rod and a plurality of insulator discs disposed thereon. The insulator discs are formed of a plastic molding compound which is especially suited for outdoor use. In accordance with the invention, the insulator rod is disposed in, and passes through, a mold which, when closed, is filled with the plastic molding compound for forming the insulator discs. The separation plane of the mold is situated near the outermost edge of each disc. Subsequent insulator discs are individually formed so as to partially overlap a previously molded insulator disc.

REFERENCES:
patent: 2446872 (1948-08-01), Ehlers
patent: 4243628 (1981-01-01), Herold

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