Method for repairing and retreading vehicle tyres
CA 1050714 A · Owner: Vakuum Vulk Holdings Ltd. · Inventors: Schelkmann, Wilhelm
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for repairing or retreading a portion of a vehicle tyre. The method of the invention comprises placing unvulcanized rubber on or in the carcass of the tyre covering, with an unstressed enclosure that portion of the tyre to be repaired or retreaded and the portion at least immediately surrounding that portion to be repaired or retreaded attaching, the edges of the enclosure to the tyre in gas-tight relationship around the portion to be repaired or retreaded by means of a plastically deformable adhesive that remains effective at the temperature necessary for vulcanization of the unvulcanized rubber, applying to the enclosure between the enclosure and the tyre gas pressure conditions …
Read the whole patent
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 March 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 1996.
- 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.