Terminal-cover assembly having coined region of reduced cross se

Details Terminal-cover assembly having coined region of reduced cross se Terminal-cover assembly having coined region of reduced cross se

1977-03-31

1978-12-26

Clawson, Jr., Joseph E.

Electricity: electrical systems and devices

Miscellaneous

174 525, H01G 900

Patent

active

041319354

ABSTRACT:
A metal cover has a hole into which an insulating resilient T.F.E. bushing is force fitted. A metal terminal is pushed into the hole in the bushing. These three parts are essentially coaxial and form a cover-terminal assembly that is subsequently placed between and compressed by a pair of coining dies to deform the cover metal adjacent to the periphery of the cover hole. This coining step forces metal tightly against and into the resilient bushing subsequently compressing the bushing about the terminal. This terminal-cover assembly is particularly suitable for closing the housing of a hermetically sealed electrolytic capacitor. It is inert to chemically active electrolytes and withstands high internal pressures that are often associated with such capacitors.

REFERENCES:
patent: 2443545 (1948-06-01), Schwennesen
patent: 3341751 (1967-09-01), Clement
patent: 3555370 (1971-01-01), Bowling
patent: 3812039 (1974-05-01), Niwa
patent: 3859574 (1975-01-01), Brazier

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