Coated piston and method and apparatus of coating the same
CA 2122337 A1 · Owner: Decc Technology Partnership · Inventors: Penrice, Thomas J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dry film lubricant coat is applied by the transfer pad process to a piston (10) to lessen the stresses associated with reciprocating engine parts and method for applying such a coat to the skirt of a piston. Wetted dry film lubricants are diluted with volatile solvents to create a wetted dry film lubricant of liquid consistency in order to make the dry film lubricants adaptable to the transfer pad coating process. Application of the wetted dry film lubricant to the piston (10) by the transfer pad coating process provides for the precise and discriminant application of dry film lubricants to piston skirts (12a and 12b) thereby providing a less costly coated piston by avoiding the …
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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
- Filed September 16, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 16, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 16, 2014.
- 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.