Fabric seams having additional low melt yarn
CA 2441284 A1 · Owner: Voith Fabrics Heidenheim Gmbh & Co. Kg · Inventors: Aldrich, William Daniel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fabric seam n a fabric for use as papermachine clothing the seam being , formed by interdigitated loops (14) at each of the fabrics ends (10 12) and , interconnection thereof with a pintle wire (20) in order to make the fabric endless. The seam having at least one low melt stuffer yarn (24) in gap (22) adjacent the pintle, which stuffer yarn has been heat set. The seam may also comprise a batt layer needled to the seam region which batt layer has been , needled before heat setting of the low melt stuffer yarn. The low melt stuffer improves the homogeneity of the seam region.
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 March 20, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 20, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 20, 2024.
- 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.