An assembly of a flexible pipe and an end-fitting
CA 2306497 A1 · Owner: Nkt Flexibles I/S · Inventors: Braad, Poul Erik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An assembly of an end-fitting (9), having an axial extending through opening (14), with a flexible pressure pipe (1) which is of a non-bonded structure comprising a number of layers (2, 3, 4 5, 7) including an inner carcass (2) , of an interlocking structure made from metallic strips (23) forming a screwthread, an end part of which extends in the assembled condition, into , the through opening (14). The assembly comprises an annular holding groove (28) which is formed in the wall of the through opening (14) and a lock nut , (15). The metallic strips (23) form a thread (24) with windings (25). When the pipe (1) is to be assembled with the end-fitting (9) the carcass (2) is exposed by …
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
- Filed October 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 14, 2019.
- 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.