Pneumatic tire reinforced with fabric
CA 1237647 A · Owner: Sumitomo Rubber Industries Limited · Inventors: Sowa, Nobuhiro; Nakayasu, Rituo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pneumatic tire containing a ply having a knitting fabric which is formed by arranging warps pararrel to each other, setting wefts on the warps to cross the warps at an angle of 60 to 90° without weaving and twining fine knitting yarns around the warps and the wefts. The ply is used as a chafer, a bead filler or a carcass of a bias tire and reinforces the pneumatic tire. The pneumatic tire is excellent in uniformity and durability, and the weight and the cost of the tire can be reduced.
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 June 7, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 7, 2005.
- 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.