ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,981, issued on Aug. 18, was assigned to Joy Global Underground Mining LLC (Warrendale, Pa.).
"Drilling and bolting tool" was invented by Renier Koekemoer (Sudbury, Canada) and Justin Barter (Algoma Mills, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drilling and bolting tool includes a drill feed for driving a bit to form a hole in a rock surface, a cable feed system, and a resin system. The drill feed includes a frame and a drill head supported on the frame. The cable feed system is coupled to the drill feed, and the cable feed system includes a cable drive for driving a cable into the hole. The resin system includes a hose in fluid comm...