Papermachine clothing
CA 1313341 C · Owner: Green, Alan · Inventors: Riley, Brian; Green, Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is concerned with a base fabric for use in the manufacture of a papermachine press-felt the base fabric, comprising a multi-layer endless woven fabric wherein the machine direction yarns of at least one fabric layer form interdigitated weft loops having a warp yarn therein, and thus define a seam and, wherein at least one further fabric layer exists. The further layer or layers may be continuous throughout the full longitudinal extent of the multilayer fabric, and are slit along the line of the seam after needling of a batt to the base fabric or may be broken and, the weft yarns woven tight about an extreme warp yarn.
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 February 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 2010.
- 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.