Nonwoven fabric with improved abrasion resistance
CA 1290517 C · Owner: Mcamish, Larry Hughey · Inventors: Mcamish, Larry Hughey
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A melt-blown microfiber fabric having improved surface abrasion resistance is disclosed, having a surface veneer of melt-blown fibers with an average fiber diameter of greater than 8 microns and in which 75% of the fibers has a fiber diameter of at least 7 microns and a wet and dry abrasion resistance of greater than 15 cycles to pill. The method of producing the melt-blown microfiber fabric having improved abrasion resistance comprises forming at least one core web of thermoplastic melt-blown microfibers having a greater than 0.8N per gram per square meter tensile strength to weight ratio, a minimum Elmendorf tear strength and a, specific basis weight of 14 grams per square meter to 85 …
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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
- 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.