Spherical fiber aggregate, in particular as a filler or cushioning material
CA 1294773 C · Owner: Breveteam S.A. · Inventors: Tesch, Gunter; Tesch, Gunter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a spherical fiber aggregate for a filter or cushioning material comprising fibers, or filaments, which are spherically entangled and essentially form a ball of fibers, wherein the ball of fibers comprises a mixture of intersecting principal and binder fibers and wherein the binder fibers are joined to the principal fibers at the intersections; and wherein the binder fibers have an elasticity different from that of the principal fibers and a length corresponding approximately to the diameter of the fiber ball and wherein the, binder fibers are arranged in approximately diametrical manner within the fiber ball. The aggregate provided firm support as a filler …
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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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
- 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.