Manufacture of hose utilizing recesses for accommodating rubber expansion
CA 1065238 A · Owner: Goodyear Tire And Robber Company (The) · Inventors: Taylor, Challen E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A vulcanized reinforced elastomeric hose and a method for its production wherein a layer of uncured rubber supported on a mandrel is surrounded by reinforcement filaments and thereafter vulcanized. In the method of the invention recesses are provided in the surface of the uncured rubber beneath the reinforcement filaments to accommodate expansion of the mandrel and/or expansion of the uncured rubber and/or shrinkage of the filaments and thereby prevent rubber from being exuded above the reinforcement filaments on curing.
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 October 30, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 30, 1996.
- 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.