Composition based on polytetrafluoroethylene suited for obtaining a self-lubricating layer on porous bronze bearings
CA 1285929 C · Owner: Cataldo, Federico · Inventors: Marcora, Giovanni; Cataldo, Federico
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A SELF-LUBRICATING LAYER ON POROUS BRONZE BEARINGS". A B S T R A C T A composition based on PTFE, in the form of a paste obtained by mixing together a PTFE powder with mineral fil-, lers, selected from PbO Pb powder, aluminum silicates, graphite MoS2, a resin of high adhesive properties in par-, ticular an epoxy resin; solvents with good wetting properties for the solid ingredients and vaseline in order to impart to the paste the suitable degree of viscosity said paste being, applicable in a very thin layer to porous bronze bearings or supports, and suited for forming a self-lubricating layer after a thermal treatment of the said PTFE on said bearings.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.