US Patent Issued to Husky Injection Molding Systems on May 27 for "Injection molding of multilayer articles with post-pullback pressure monitoring" (Canadian Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,591, issued on May 27, was assigned to Husky Injection Molding Systems Ltd. (Bolton, Canada).

"Injection molding of multilayer articles with post-pullback pressure monitoring" was invented by Damish Jaidka (Brampton, Canada) and Douglas James Weatherall (Bolton, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, a method of molding a multilayer article comprises causing a surface layer material injection unit to commence injecting a surface layer material into a mold cavity via a surface layer material channel. Then, an internal layer material injection unit commences injecting an internal layer material into the mold cavity an int...