Apparatus and process of manufacturing a metal cord
CA 1290995 C · Owner: Haislet, Gary Allen · Inventors: Haislet, Gary Allen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wire cord strander (10) and method of making metal cord (C) in a single step using single filaments (F) which are not stranded is disclosed particularly, rotating payoffs (18) are used to twist the filaments (F) of the cord (C) outer layers before forming and grooved pulleys (30, 34) are used to maintain cord (C) shape and prevent feedback of cord (C) twist.
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 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 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.