US Patent Issued to SUMITOMO ELECTRIC SINTERED ALLOY on Dec. 16 for "Sintered material, sizing device, and method for manufacturing sintered material" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,635, issued on Dec. 16, was assigned to SUMITOMO ELECTRIC SINTERED ALLOY LTD. (Takahashi, Japan).

"Sintered material, sizing device, and method for manufacturing sintered material" was invented by Junpei Hara (Takahashi, Japan) and Seiji Sakamoto (Takahashi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cylindrical sintered material made of metal, in which one of an inner peripheral surface and an outer peripheral surface of the sintered material includes: a plurality of helical teeth arranged in parallel along a circumferential direction of the sintered material; and a sizing mark provided on at least a part of a tooth bottom surface, a to...