US Patent Issued to THE JAPAN STEEL WORKS on Dec. 2 for "Stretching machine and rail for stretching machine" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,603, issued on Dec. 2, was assigned to THE JAPAN STEEL WORKS LTD. (Tokyo).

"Stretching machine and rail for stretching machine" was invented by Masaki Kato (Tokyo), Ichiro Nakajima (Tokyo), Naoaki Yoshimatsu (Tokyo) and Tatsuya Hirano (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stretching machine configured to stretch a resin film includes a plurality of link mechanisms coupled to constitute an endless chain and a rail 14 on which the link mechanisms run. The rail 14 of the stretching machine has a slit 146 in a side surface 142a. The slit 146 extends in a direction inclined with respect to a direction in which the rail 14 extends."

The ...