US Patent Issued to MATSUMOTO INDUSTRY on Sept. 23 for "Joint structure for groove-shaped members and joining method for groove-shaped members" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,327, issued on Sept. 23, was assigned to MATSUMOTO INDUSTRY Co. LTD. (Fukuoka, Japan).

"Joint structure for groove-shaped members and joining method for groove-shaped members" was invented by Hao Huang (Fukuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Thermal strain due to welding occurs when long materials having a U-shaped cross section are joined together. The joining work is complicated. To an end portion of a first groove-shaped member having a shape in which side surface portions rise from both ends of a bottom surface portion, that is, a substantially U-shaped cross section, an end portion opposing thereto of a second groove-sha...