Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Layered – stratified traversely of length – or multiphase...
Patent
1986-08-11
1988-04-26
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Layered, stratified traversely of length, or multiphase...
264112, 264127, 264273, B27J 500
Patent
active
047403403
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.
REFERENCES:
patent: 3234128 (1966-02-01), McLeish et al.
patent: 4615854 (1986-10-01), Pratt et al.
Montpetit Michael C.
Pratt George C.
Federal-Mogul Corporation
Fertig MaryLynn
Hess Robert F.
Shurupoff Lawrence J.
Silbaugh Jan H.
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