Puncture-proof tubeless tires
CA 1069031 A · Owner: Miyazato, Teruhiko · Inventors: Miyazato, Teruhiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A puncture-proof tubeless tire having an additional reinforcing rubber layer provided on the inside of a cord layer of the tire at a region corresponding at least to a crown and shoulders of the tire. The thickness of the reinforcing rubber layer at a region corresponding to the crown and shoulders is advantageously within the range of 0.4 to 4 multiple of that of an outer rubber layer of the region corresponding to the crown and shoulders excluding the thickness of a patterned projections. A lining agent comprising a mixture of an adhesive and diethylene glycol and rubber particles dispersed therein may advantageously be employed in the tire as mentioned above not only to further ensure …
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 January 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 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.