US Patent Issued to SUMITOMO ELECTRIC INDUSTRIES, SUMITOMO ELECTRIC SINTERED ALLOY on March 17 for "Tool main body and method for producing tool main body" (Japanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,448, issued on March 17, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan) and SUMITOMO ELECTRIC SINTERED ALLOY LTD. (Takahashi, Japan).

"Tool main body and method for producing tool main body" was invented by Tomoyuki Ishimine (Osaka, Japan), Mitsuhiro Goto (Osaka, Japan), Shigeki Egashira (Osaka, Japan) and Kazunari Shimauchi (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tool main body to which an insert is attachable, in which the tool main body is made of sintered metal material, and the sintered metal material includes a parent phase made of a metal and a plurality of pores present in the parent phase."

The pat...