Production of coated electrical conductor cable
CA 1095677 A · Owner: Alcan Research And Development Limited · Inventors: Alia, Dominic A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A method of producing electrical conductor cable having a polyethylene-based coating, wherein additive material such as a filler is first mixed with a vehicle including an ethylene propylene rubber to provide a homogeneous concentrate and the concentrate is then blended with polyethylene to constitute a coating composition for application to a cable as by extrusion. The concentrate-polyethylene blending step may be performed by the pumping screw of a cable-coating extruder.
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 February 17, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 17, 1998.
- 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.