Method of making a PTFE based impregnated metal matrix
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United States of America Patent
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Apr 26, 1988
Issued Date -
N/A
app pub date -
Aug 11, 1986
filing date -
Apr 30, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a method of impregnating into a porous metal matrix mounted on a backing a PTFE based composition wherein the PTFE based composition is mounted on a layer of supporting material so as to form a tape to assist in carrying it to and forcing it into the porous metal matrix, whereupon the layer of supporting material is removed. In one embodiment, the present invention may be in the form of a composite bearing material having a metal backing supporting a PTFE filled porous metal matrix of bronze or other copper alloys and a surface layer above the porous metal matrix of just the PTFE based composition.
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