Process for reconstructing a worn tyre through the direct application to the carcass of the tyre of a premoulded tread
CA 1078120 A · Owner: Ital-Rubber S.R.I. · Inventors: Italiana, Benigni
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a process for retreading a worn tyre by the direct application to the carcass of the tyre of a premoulded tread. In the process a sheet of adhesive material is prepared which anchors the tread to the carcass of the tyre. The sheet is prepared from an admixture comprising at least one, non-vulcanized bonding material at least one vulcanization, accelerator at least one vulcanizing agent, a high percentage in weight of co-vulcanizing resins, and an agent for the prevention of scorching. The sheet of adhesive material is bonded to the inner surface of the tread by means of rolling and simultaneously with the rolling air trapped between the tread and the sheet of …
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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 May 27, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 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.