US Patent Issued to NISSEI ASB MACHINE on May 6 for "Apparatus for producing resin molded article, method for producing resin molded article, and resin molded article" (Japanese Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,970, issued on May 6, was assigned to NISSEI ASB MACHINE Co. LTD. (Nagano, Japan).

"Apparatus for producing resin molded article, method for producing resin molded article, and resin molded article" was invented by Ryo Kawamura (Nagano, Japan) and Masayuki Usami (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A production apparatus of a two-layer preform including an inner layer preform and an outer layer preform includes: an outer layer cavity mold for injection-molding the outer layer preform. A bottom surface of the outer layer cavity mold is provided with a protrusion for separating the inner layer preform disposed in the outer lay...