ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,619, issued on July 29, was assigned to Shoji Aoyama (Osaka, Japan).
"Electrical resistance welding electrode" was invented by Shoji Aoyama (Osaka, Japan) and Yoshitaka Aoyama (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A guide pin made of a heat-resistant hard material and a sliding member made of an insulating synthetic resin material are integrated. An inserted portion and an extended portion are provided in the sliding member. The thickness of the extended portion is set to be thinner than the thickness of the inserted portion. An air passage is formed in the extended portion thereby forming a thin-wall deformable portion. The s...