Dual wall wire having polyamide and fluoropolymer insulation
CA 1319403 C · Owner: Raychem Limited · Inventors: Penneck, Richard J.; Day, Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrical wire comprises an elongate electrical conductor and electrical insulation that comprises: (a) an inner insulating layer which comprises a polyamide that has a glass transition temperature of at least 0°C; and, (b) an outer insulating layer which comprises a fluorinated polymer, for example an ethylenetetrafluoroethylene copolymer. The wire exhibits a balance of properties espe-, cially weight and cut through resistance combined with high resistance to wet and dry tracking that make the, wire useful inter alia for airframe wire.
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 June 22, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 22, 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.
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.