Method for curing elastomeric articles
CA 1104785 A · Owner: Gates Rubber Company (The) · Inventors: Johnston, Jonathan A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for curing reinforced vulcanizable elastomeric articles disposed between a mold surface and a pressure chamber and articles produced thereby. The method comprises delivering into the chamber a hot fluid of relatively high heat capacity and pressurizing the fluid to a first pressure; maintaining the fluid in the chamber at the first pressure for a residence period sufficient to at least partially soften the elastomeric article but insufficient to significantly vulcanize the elastomeric article; while the elastomeric article is in a softened state delivering into the chamber in admixture with the fluid a gas of low heat capacity relative to the hot fluid; pressurizing the gas and …
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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 July 14, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 1998.
- 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.