ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,441, issued on March 17, was assigned to MAKITA Corp. (Anjo, Japan).
"Pipe expanding tool" was invented by Koichi Yakabe (Anjo, Japan) and Hiroki Ikuta (Anjo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe expanding tool includes a wedge, a plurality of jaws, a spring and a first rotary member. The wedge is movable in a reciprocating manner between a first position and a second position along a first axis. The jaws are rotatable around the first axis and movable to a closed position and to an open position. The jaws are configured to move from the closed position to the open position as the wedge moves from the first position to the se...