ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,595, issued on Sept. 15, was assigned to State Pipe & Supply Inc. (Rialto, Calif.).

"Inline weld-bead cutting apparatus for spiral pipe" was invented by Jun Lee (Irvine, Calif.) and Woong Park (Chino Hills, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An inline weld-bead cutting apparatus for a spiral pipe for cutting a weld-bead protruding from a butt-jointed portion of the present invention includes: a main frame; an up down movement plate; a mina up down driving part; a forward-backward movement plate; a forward-backward driving part; and a cutting part provided in the forward-backward movement plate, and cutting a weld-bead protruding ...