Steel wire for the reinforcement of elastomers
CA 1332914 C · Owner: Coppens, Wilfried · Inventors: Chambaere, Daniel; Vanhee, Willy; Coppens, Wilfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A steel wire with a micro-roughened surface for reinforcement of elastomers is disclosed. The bare surface of a round wire (from which the metal coating for increasing the adhesion to the elastomers is removed) has a brightness factor L meeting the relation 38 ? L.d1/3 ? 50. The continuous and controllable microroughening treatment is e.g. an etching operation during pickling and before applying said metal coating. Application to bead 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 November 8, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 8, 2011.
- 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.