Conical face-seal for an electrical feedthrough

Details Conical face-seal for an electrical feedthrough Conical face-seal for an electrical feedthrough

1975-12-03

1976-08-17

Askin, Laramie E.

Electricity: conductors and insulators

With fluids or vacuum

Boxes and housings

295271, 29592, 174153R, 285161, 339126RS, H01B 1730

Patent

active

039755797

ABSTRACT:
A face seal for an electrical feedthrough in a bulkhead subject to large ferential pressures comprising a metallic bolt routed through a hole in the bulkhead; an electrical conductor soldered to the head of the bolt on the high pressure side of the bulkhead; an epoxy-resin seal molded around and bonded to the protruding head of the bolt and having a conical undersurface mating with the bulkhead so that a thin ring forms the interface between the epoxy seal and the bulkhead; and, a nut screwed on to the threaded end of the bolt on the low pressure side of the bulkhead. The thin ring interface between the epoxy seal and the bulkhead deforms when the epoxy seal is subjected to external pressure so that the seal pressure is amplified.

REFERENCES:
patent: 2019059 (1935-10-01), Sherman
patent: 2145744 (1939-01-01), Whitney
patent: 2497251 (1950-02-01), Wolf
patent: 2651672 (1953-09-01), Ivanoff
patent: 2704357 (1955-03-01), Johnson
patent: 2838596 (1958-06-01), Foord
patent: 2894055 (1959-07-01), Clarke et al.
patent: 3033919 (1962-05-01), Aschinger
patent: 3197556 (1965-07-01), Simon
patent: 3660593 (1972-05-01), Bowles

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