US Patent Issued to NISSEI PLASTIC INDUSTRIAL on March 25 for "Mold-clamping machine" (Japanese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,754, issued on March 25, was assigned to NISSEI PLASTIC INDUSTRIAL Co. LTD. (Japan).

"Mold-clamping machine" was invented by Hozumi Yoda (Nagano, Japan), Satoshi Hoshino (Nagano, Japan) and Atsushi Murata (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mold clamping machine includes a stationary mount, a movable mount, a mold-clamping mechanism and a mold opening and-closing mechanism. The mold-clamping mechanism includes a cylindrical constraining mechanism and has a magnet mechanism built therein. By causing a current to flow or not flow, the constraining mechanism changes to an unconstrained state or to a constraining state. In t...