Heated wiper blade using conductive elastomer

Details Heated wiper blade using conductive elastomer Heated wiper blade using conductive elastomer

1992-07-16

1993-06-22

Reynolds, Bruce A.

Electric heating

Heating devices

Combined with diverse-type art device

219522, 219553, 1525005, 1525006, B60L 102, H05G 306, A47L 100

Patent

active

052218287

ABSTRACT:
A heated wiper blade has a conductive elastomer body and a pair of electrodes along each side of the body. The elastomer which has a resistivity in the range of 20-128 ohm-cm and a hardness of Shore A 64-70 comprises a rubber compound including carbon black in the range of 37-60 phr, a small amount of graphite in the range of 13 to 20 phr and a low concentration of plasticizer oil in the range 20-40 phr.

REFERENCES:
patent: 3757088 (1973-09-01), Osborn
patent: 3948811 (1976-04-01), Clary et al.
patent: 4616060 (1986-10-01), Killgoar, Jr.
patent: 4861819 (1989-08-01), Theodore et al.

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