Keyboard with conductive resilient pad

Details Keyboard with conductive resilient pad Keyboard with conductive resilient pad

1988-11-10

1992-05-19

Sluby, P. C.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

428517, 428521, 4285428, 200 5A, 525187, B32B 900, B32B 2708

Patent

active

051147904

ABSTRACT:
A conductive resilient pad for keyboards, such as computer keyboards, is disclosed. The pad is composed of EPDM blended with a copolymer of propylene oxide and allyl glycidyl ether and Ketjen Black. Each of the polymers is present in the amount of about 25 to about 75 parts and the Ketjen Black is present in an amount of about 1 to about 30 parts.

REFERENCES:
patent: 4524249 (1985-06-01), Farrell
patent: 4537825 (1985-08-01), Yardley
patent: 4594389 (1986-06-01), Lal et al.
patent: 4737412 (1988-04-01), Corbett et al.

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