Hose with composite joints
CA 1289486 C · Owner: Antonio, Anthony I. Jr. · Inventors: Antonio, Anthony I. Jr.; Richards, Toby D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The elongated members used in making a spiral wound hose are formed from a relatively high melting structural material but provided with a more readily fusible melting buffer material, typically as a thin layer overlying the structural material. A flexible plastic hose apparatus is constructed by spirally winding elongated members. The elongated members are formed from a relatively high melting structural material, but provided with a more readily fusible melting buffer material. This buffer material is typically a thin layer overlying the structural material. Molten bonding material is applied to the elongated members during the spiral winding process and such material bonds well with the …
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 September 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2008.
- 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.