Apparatus for cutting circumferential grooves in the tread of a tire
CA 1050415 A · Owner: Michelin & Cie (Compangie Generale Des Etablissements Michelin) · Inventors: Jarry, Jean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for cutting circumferential grooves in the tread of a pneumatic tire comprising at least one assembly formed of a knife whose cutting edge has the shape of the radial profile of the grooves to be created and a support to which the knife is connected and which guides the knife with respect to the pneumatic tire to be treated the support being, connected to a frame for bearing the pneumatic tire is improved, by having the support furthermore comprise a feeler. The depth of cut of the knife is controlled by the feeler which is connected to the support and arranged at a short distance from the knife.
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 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 13, 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.