Method of and a device for guiding a wire in the wire bolting of a rock
CA 1260279 A · Owner: Oy Tampella Ab · Inventors: Leppanen, Jarmo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of and a device for guiding a wire in the wire bolting of a rock, wherein the wire is passed by means of a feeding mechanism from a wire magazine into a guide head supported by a feeding beam of the drilling equipment and therethrough into a hole drilled in the rock. In order to protect the feeding mechanism against damage and dirt and in order to lighten the feeding beam, the wire is pushed into the guide head through a flexible guide pipe in such a manner that the feeding mechanism can be mounted on a carrier.
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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- 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.