Composite friction element
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United States of America Patent
Stats
-
Aug 26, 1980
Issued Date -
N/A
app pub date -
May 19, 1978
filing date -
May 19, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A composite friction element suitable for the manufacture of railroad brake shoes of the composition type is prepared from a mixture of a curable rubber binder having distributed therethrough a plurality of fillers and a reinforcing fiber, at least one of the fillers having an oil absorption value of at least 30 and the fiber being formed from an aramid polymer.
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