Electrical contact manufacturing method and apparatus

Details Electrical contact manufacturing method and apparatus Electrical contact manufacturing method and apparatus

1980-10-31

1982-11-09

Combs, Ervin M.

Metal working

Method of mechanical manufacture

Electrical device making

29 33M, H01R 4302

Patent

active

043577512

ABSTRACT:
An electrical contact manufacturing method and apparatus with which entrance of the contact into a base metal plate is prevented during forming of the contact to thereby increase the service life of the contact. A contact material is welded in the form of a spot to a predetermined position on a base metal plate. The contact material is depressed from above by an upper punch to mold the electrical contact. Simultaneously, the portion of the base metal plate lying directly below the contact is depressed with a lower punch to raise that portion of the base metal plate and the contact.

REFERENCES:
patent: 3258830 (1966-07-01), Pityo
patent: 3514574 (1970-05-01), Forschler
patent: 3803711 (1974-04-01), Dubuc et al.
patent: 3894334 (1975-07-01), Bannister et al.
patent: 3943625 (1976-03-01), Brenan et al.

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