Pin seamed fabric
CA 1262669 C · Owner: Gulya, Thomas George · Inventors: Nowak, Frank Clarence; Gulya, Thomas George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A method of producing an endless pin seamed fabric having particular use as a fabric on a papermaking machine. The fabric is a woven warp and weft system formed by weaving a single continuous warp yarn with an array of parallel weft yarns in a series of forward and reverse picks. During the weaving operation, the warp yarn is selectively looped around a pin disposed parallel to an end yarn in the array of weft yarns in a series of loops to form an endless pin seamed fabric. After weaving, by removal of the pin the endless fabric can be opened and readily installed on a papermaking machine. The region of the fabric adjacent the pin seam has a uniform porosity and a …
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 November 7, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 7, 2006.
- 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.