US Patent Issued to SHANDONG UNIVERSITY on Sept. 23 for "Helical friction extrusion machine and extrusion forming method" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,324, issued on Sept. 23, was assigned to SHANDONG UNIVERSITY (Jinan, China).

"Helical friction extrusion machine and extrusion forming method" was invented by Junquan Yu (Jinan, China) and Guoqun Zhao (Jinan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A helical friction extrusion machine comprises a first fixed beam and a second fixed beam being arranged fixedly, a moving beam fixed to an extrusion container and an outer sliding block fixed to a forward extrusion rod that is located between the moving beam and the outer sliding block, a first main cylinder and a second main cylinder connecting to outer sliding block to drive the outer sli...