ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,969, issued on May 6, was assigned to INNOVATIVE MINING PRODUCTS (PTY) LTD (Johannesburg).
"Two-part resin input nozzle" was invented by Paolo Ettore Pastorino (Cape Town, South Africa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A resin input nozzle (10A) which is adapted to engage or connect to a hollow resin-anchored rock bolt (12) to introduce a resin composed of a plurality of resin components (A,B,C), into and through the bolt, the nozzle including a body (14) with a leading end (16), a leading end portion which ends at a leading end and a trailing end (18), a first conduit (22) and a second conduit (24) formed through the body, each conduit...