Stabilizer for cantilevered tire building drum
CA 2403470 A1 · Owner: Cornet, Francis · Inventors: Lemaire, Michel; Cornet, Francis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and apparatus for stabilizing a tire building drum (120 220, 320), wherein the, tire building drum has two ends is permanently supported at a single , cantilever support end (125), and the remaining end is a free end (123 223). The method comprises , providing a free end support (140, 240, 340) engaged with the free end to stabilize the tire building drum by, restricting lateral movement of the free end; and freeing the free end by temporarily retracting, the free end support when desired e.g. to enable application of annular tire components on, the tire building drum (120 220, 320), or to enable removal of a built tire from the tire, building drum. Preferably the free end …
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
- Filed September 16, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 16, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 16, 2024.
- 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.