Method of and apparatus for installing solder bolts in rock bolting
CA 1183697 A · Owner: Oy Tampella Ab · Inventors: Issakainen, Onni
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of installing solder bolts in rock bolting, according to which method a bolt is fed into a hole drilled in the rock and is anchored in the hole during hardening of a soldering material. The bolt is bent during feeding into the hole in order to produce in the bolt at least one such bend that the bolt when, entirely inserted in the hole, is wedged in between opposite walls of the hole. A bolt feeding apparatus for carrying out the method includes a feed beam a, feeding device supported by said beam for feeding a rock bolt into a drill hole, a displacing device for displacing the feeding device along the feed beam and, a rock support for supporting the feed beam on the rock. The …
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 March 12, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2002.
- 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.