Rip detecting antenna
CA 1233210 A · Owner: Goodyear Tire And Rubber Company (The) · Inventors: Jacobs, Howard L.; Klein, Richard G.; Houck, Robert J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A conveyor belt having electrically conductive antennas spaced along the direction of movement of the belt and extending from edge to edge of the belt for carrying signals thereacross to detect rips in the belt. The antennas are constructed of a material, the major component thereof being a blend of natural and synthetic rubbers and also including 14% to 18% by weight of electrically conductive carbon black to carry the electrical signals thereacross. In another embodiment, electrically conductive strands embedded within the electrically conductive material, extend across the belt from edge to edge.
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 23, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 2005.
- 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.