Method for enhancing the weaving of a warp yarn fabric having a high modulus of elasticity
CA 2256029 A1 · Owner: Corbiere S.A. · Inventors: Corbiere, Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for enhancing the weaving of a warp yarn fabric having a high modulus of elasticity wherein a sheet of parallel warp yarns (3) is continuously unwound from a beam (1) the sheet is fed over a whip roll (4), a shed (9) is formed using heddles (7 8), said shed being defined in the forward direction of the warp by a shed opening point (15) on the inlet side and a fell point (10) on the opposite side a weft yarn is inserted into the shed close to the fell point (10) to form a fabric and the resulting fabric is evenly pulled and wound. According to the method the warp yarns (3) are heated in an area adjacent to the shed opening point to a temperature high enough to cause a local …
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 July 3, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 3, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 3, 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.