Heated wiper blade using conductive elastomer
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United States of America Patent
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Jun 22, 1993
Grant Date -
N/A
app pub date -
Jul 16, 1992
filing date -
Jul 16, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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