Hot air arbor extractor
CA 1086035 A · Owner: General Motors Corporation · Inventors: Boyland, Wilford B.; Hankins, John T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A bearing sleeve extractor assembly includes a movable workpiece support on a stand having an overhead circular spray head to receive a multi-surfaced elongated bearing sleeve connected to a support member and wherein the spray head includes a perforated inner wall and an insulated outer wall having a heated vapor chamber therebetween connected to a heat source for directing heated vapor into the spray head for distribution therefrom to produce even convection heating of the bearing sleeve continuously circumferentially therearound so as to produce a non-mechanical thermal release of the bearing sleeve from its support member.
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 September 23, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 23, 1997.
- 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.