Fibrous heating element, method of production thereof and fabric heating element made thereof
CA 1291512 C · Owner: Toray Industries, Inc. · Inventors: Hijiri, Masao; Kitazawa, Zenwemon; Ohgushi, Katsunori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a fibrous heating element which is very pliable and has high mechanical strength in respect of the abrasion resistance and bend yield resistance, the fibrous heating element comprising a core fiber covered with an electrically conductive layer formed by coating with a solution of a pliable synthetic polymer containing electrically conductive particles. There is also disclosed a fabric heating element produced by forming the fibrous heating element into a woven or knit fabric which is pliable as in the case of fabrics in general and is useful as a heating element not only in or for electric heating blankets or the like but also in industrial fields.
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 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 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.