Mandrel assembly for vulcanizing a vent tube with the bore of a filler neck hose having a complex multi-curved configuration
CA 1138171 A · Owner: The Goodyear Tire & Rubber Company · Inventors: Badberg, Melvin C.; Olsen, Roy W.
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 mandrel assembly for vulcanizing an elastomeric vent tube within the bore of a larger elastomeric filler neck hose having a complex, multi-curved configuration comprises an elastomeric flexible vent tube mandrel and a metallic filler neck mandrel having a groove oriented longitudinally along the curved surface of a depth for receiving a mandrel mounted vent tube therein such that a portion of the tube outside surface is in intimate contact with the bore surface of the filler neck hose when it is mounted on the filler neck mandrel. Upon vulcanization, the elastomeric mandrel is pulled out the vent tube and the filler neck hose is pulled off the filler neck …
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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
- Granted December 28, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 28, 1999.
- 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.