Ethylene propylene rubber mixtures and heat resistant conveyor belts produced using the same
CA 1332994 C · Owner: Bando Chemical Industries, Ltd. · Inventors: Nishihira, Koichi; Itokazu, Yuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ethylene propylene rubber mixture highly adhesive to zinc-plated metals and a heat resistant ethylene propylene rubber conveyor belt having load-carrying zinc-plated steel cords embedded therein are disclosed. The heat resistant conveyor belt composed of (a) an outer covering rubber layer and an inner covering rubber layer both of an ethylene propylene rubber and (b) an adhesive rubber layer having load-carrying zinc-plated steel cords embedded therein parallel to each other at a distance therebetween in the londitudinal direction of the belt the adhesive, rubber layer being disposed between the covering rubber layers and bonded integrally to the covering rubber layers the, adhesive …
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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 November 8, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 8, 2011.
- 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.