Method of manufacturing molded and impregnated parts

Details Method of manufacturing molded and impregnated parts Method of manufacturing molded and impregnated parts

1978-08-21

1980-12-02

Smith, Ronald H.

Coating processes

Electrical product produced

427386, 264272, 174 52PE, 174110E, 528 93, 528 99, 525507, B05D 512, B29B 300, H02G 1308

Patent

active

042371490

ABSTRACT:
For manufacturing molded and impregnated parts from epoxy resin compositions, a reactive epoxy resin is employed which hardens more slowly at higher temperatures (120.degree. to 180.degree. C.) than at lower temperatures (80.degree. to 110.degree. C.). The reactive epoxy resin composition is applied at the higher temperature and subsequently hardened at the lower temperature.
According to the method of the invention, molded parts (e.g., solution pump heads), cast-in electrical components (e.g., four-ring stray field electrodes) and impregnated parts are manufactured.

REFERENCES:
patent: 2887458 (1959-05-01), Fitzgerald et al.
patent: 3484398 (1969-12-01), Childs
patent: 3497524 (1970-02-01), Payne et al.
patent: 3560388 (1971-02-01), Higashi

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