Light weight high temperature polyester laminates useful as lubricating rub strips
AssigneeWestinghouse Electric Corp.
InventorsMelvin E. Benson, Harold O. McCaskey
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Abstract
A light weight, high temperature, laminate is made of a plurality of heat and pressure consolidated porous, interlocked, needle-punched, polyethylene terephthalate continuous filament mats, impregnated with a thermoset resin to a treated ratio of from about 2 to about 5.
Claims10
A high temperature lubricating laminate rub strip comprising a plurality of heat and pressure consolidated resin impregnated mats, each resin impregnated mat comprising a porous, non-woven, interlocked, polyethylene terephthalate filament mass, impregnated with a thermoset resin to a treated ratio of from about 2 to about 5.
A lubricating rub strip suitable for frictional contact with a metal at a temperature up to about 200.degree. C., said rub strip comprising a heat and pressure consolidated laminate of a plurality of resin impregnated mats, each resin impregnated mat comprising a sheet of porous, interlocked, continuous polyethylene terephthalate filaments, impregnated with a thermoset resin to a treated ratio of from about 2 to about 5.
Dependencies are inferred from the claim text.