Method of encapsulating electrical coils

Details Method of encapsulating electrical coils Method of encapsulating electrical coils

1980-12-09

1982-06-29

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Anti-stick or adhesion preventing coating

264139, 264264, 26427219, B29C 602

Patent

active

043372198

ABSTRACT:
A method of producing encapsulated coils includes positioning a coil of wire on a inner coil adjacent one end thereof, positioning a metallic ring on the opposite end of the coil and surrounding the coil with an outer mold having a closed bottom, a resinous material is introduced to encapsulate the coil and provide a reservoir of excess resinous material which is then cured and the shrinkage is accommodated by the excess material above the ring. The encapsulated coil, ring, and excess material are removed from the molds and the ring and excess material are separated using a hammer to produce a finished encapsulated coil.

REFERENCES:
patent: 787199 (1905-04-01), Lloyd
patent: 2914600 (1959-11-01), Smith et al.
patent: 3141049 (1964-07-01), Parsons
patent: 4210618 (1980-07-01), Piltz et al.

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