Belting and method of making same
CA 1208154 A · Owner: The Goodyear Tire & Rubber Company · Inventors: Schmitt, Peter J.; Long, Barry W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Belting (10) consisting of a compacted non-woven felt fabric (28) embedded in a matrix of elastomer (12). The belting (10) may be made by saturating a greige non-woven fabric (12) with a liquid elastomer-forming, polymeric resin (10) and thereafter compacting the saturated fabric to permanently reduce the thickness thereof. Following compaction of the saturated fabric, the liquid resin is solidified and cured. Curing is preferably accomplished at a temperature above ambient and at a pressure above atmospheric. The non-woven felt (12) may be a spun-bonded, needle-punched, or stitch-bonded bat of fibers (15).
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 July 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 2003.
- 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.