Heat resistant laminated conveyor belt and manufacturing method thereof
CA 2557618 C · Owner: Nitta, Takashi · Inventors: Ishibuchi, Hiroshi; Imazato, Hideo; Arakawa, Takafumi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Provided are a heat resistant laminated conveyor belt and manufacturing method thereof by which a belt surface pressure when a liner and corrugated core paper are pressed and bonded together can be increased to thereby enhance a bonding performance. The heat resistant laminated conveyor belt comprises a belt core layer 11 made by a heat resistant non-metallic fiber substrate being impregnated with a fluororesin dispersion and then dried and sintered and a surface layer 13 (plain weave wire, etc. for example) formed on the belt core layer 11 via an adhesive layer 12 made by a fluororesin film the, surface layer having a fabric structure using an element wire or wires made of a ferrous metal …
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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 May 16, 2005 and granted March 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 16, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.