Resilient pad for keyboards

Details Resilient pad for keyboards Resilient pad for keyboards

1986-07-02

1988-04-12

Ives, P. C.

Stock material or miscellaneous articles

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

428517, 428521, 4285428, 525187, 200 5A, 2641761, C01L 3100, H01H 1370

Patent

active

047374128

ABSTRACT:
A 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. Each of the polymers is present in the amount of 10-90 parts. An accelerator system for the polymer blend is also disclosed. The pad has substantially improved resilience as measured by the hysteresis of the pad.

REFERENCES:
patent: 4524249 (1985-06-01), Farrell
patent: 4537825 (1985-08-01), Yardley

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