Roof bolter and process
AssigneeCopper Range Company
InventorRobert D. Talvensaari
Life of this patent
Estimating the term…
Abstract
Roof bolter and process for resin bolting a mine roof. The roof bolter comprises combined means for drilling and resin inserting in one position, means for bolt inserting in a second position, and means for positioning the roof bolter first into one and then into its second positions. The process comprises drilling a hole in the mine roof and inserting in tandem resin into the hole and, inserting into and securing a bolt within the hole. Preferably, the roof bolter and the process are automated and remotely controlled. The invention further includes a device designed for attachment to a three-position resin type roof bolter and for converting it to a two-position resin type roof bolter.
Claims14
A two-position resin type roof bolter with a single indexing between said two positions comprising:
- (a) combined means for drilling and resin inserting in one position of said roof bolter without indexing between said drilling and said resin inserting;
- (b) means for bolt inserting in a second position of said roof bolter after said single indexing thereof;
- and
- (c) means for positioning said roof bolter, first into said one and then into its said second positions.
A process for resin bolting a mine roof comprising:
- (a) positioning a turret into a drilling position with respect to said mine roof;
- (b) drilling a hole with said turret in said mine roof;
- (c) without re-positioning said turrent, inserting a resin cartridge with said turret into said hole;
- and
- (d) positioning said turret into a bolt inserting position with respect to said hole and inserting a bolt with said turret into said hole.
Dependencies are inferred from the claim text.