Tire building apparatus
CA 1069424 A · Owner: National-Standard Company · Inventors: Mallory, Edwin E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Tire building apparatus including an intermediate radially expandable drum. Fluid pressure operated means are provided for effecting at least partial actuation of expanding and contracting means for the drum, and centering means are provided for maintaining the transverse center plane of the drum in a constant axial position during expansion and contraction of the latter. The fluid pressure operated means are incorporated with a pair of axially movable carrier means on opposite sides of the transverse center plane, and tire bead locating and supporting means are incorporated with each of the carrier means. Drive motor means are provided for axially moving the carrier means toward and away …
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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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 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.
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.