Method of making fluorocarbon coated braided hose assemblies
CA 2332755 A1 · Owner: Mathew, Boney A. · Inventors: Mathew, Boney A.; Martucci, Norman S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of making a lightweight hose, assembly (10) of the type adapted for carrying foals and other corrosive fluids. The method includes the steps of extruding an inner tubular liner (12) of a fluorocarbon material. Glass fibers are then braided about the exterior of the liner (12) to form a braided layer (13). The inner tubular liner (12) and braided layer (13) are then passed through a reservoir containing a dispersion including a fluorocarbon polymer material carrying, agent, and surfactant therein. The surfactant distributes the fluorocarbon material throughout the braided layer (13) and about the inner liner (12). Subsequently, the assembly (10) is heated to remove the carrying …
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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
- Filed January 29, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 29, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 29, 2023.
- 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.