Patent Yard Sign in
Expired Canadian patentCanada

Multiaxial nonwoven fabric, method of and apparatus for making the same

CA 1318116 C · Owner: Kuroiwa, Yuuki · Inventors: Sasaki, Yasuo; Tsuyama, Setsuya; Kuroiwa, Yuuki

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A multiaxial nonwoven fabric is disclosed which is comprised of a selected warp material and a multiplicity of selected continuous yarns assembled in a specified lay pattern and bonded on to the warp material. Each of the yarns is oriented in a scalene or right angled triangle shape, and the resulting yarn assembly is built of intersections at least in warp, weft and oblique axes whereby structural strength and dimensional stability are greatly improved. A method and an apparatus are also disclosed for producing the fabric.

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 May 25, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 25, 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.
FiledJune 5, 1989
GrantedMay 25, 1993
Term endedMay 25, 2010
Patent numberCA 1318116 C
Classification (IPC)D04H1/00 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 5, 1989Patent grantedMay 25, 1993Term endedMay 25, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.