Low friction bearing surfaces and structures particularly for artificial prosthetic joints
AssigneeRensselaer Polytechnic Institute
InventorsJack Roberts, Robert L. Johnson
Life of this patent
Estimating the term…
Abstract
A slide bearing surface element is disclosed which can be used in prosthetic joints or mechanical bearing devices. The element has a composite coating made of a matrix of epoxy resin with particles of Al.sub.2 O.sub.3 dispersed therein. Cu or stainless steel particles are included to increase thermal conductivity.
Claims5
A method of making a wear resistant heat conducting slide bearing surface element comprising the steps of providing a mold, molding an epoxy resin into the shape of the element, gelling and post curing the epoxy resin, removing a surface portion of the cured epoxy resin, preparing a mixture of uncured epoxy resin with particles of aluminum oxide, coating the element with the mixture thereby replacing the surface portion that was removed, placing the element with the coating into the mold, gelling the coating and post curing the same to form a composite coating on the element.
Dependencies are inferred from the claim text.