Gaskets for electric shielding

Details Gaskets for electric shielding Gaskets for electric shielding

1980-04-18

1981-09-08

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277DIG6, 277237R, 174 35GC, 264108, 264158, 252512, 29592R, H05K 900, H01B 106, F16J 1514

Patent

active

042880815

ABSTRACT:
The invention provides a novel gasket for electric shielding composed of an electrically insulating rubbery elastic material as the continuum or matrix and a conductive phase dispersed therein. Different from conventional gaskets for electric shielding in which conductive filaments or particles form the dispersed phase, the inventive gasket for electric shielding comprises flakes of a conductive material as the dispersed phase in the matrix and the flakes are in orientation in such a manner that the flat surfaces of them lie substantially perpendicularly to the contacting surfaces of the gasket. Owing to this unique internal structure, the inventive gasket for electric shielding is very efficient in absorbing the energy of the electric fields or electromagnetic waves.

REFERENCES:
patent: 2849312 (1958-08-01), Peterman
patent: 3140342 (1964-07-01), Ehrreich et al.
patent: 3141050 (1964-07-01), Blume
patent: 3238355 (1966-03-01), Van Eeck
patent: 3359350 (1967-12-01), Godfrey
patent: 3514326 (1970-05-01), Stow
patent: 3673121 (1972-06-01), Meyer
patent: 3752899 (1973-08-01), Bakker
patent: 4102831 (1978-07-01), Osgood

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