ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,337, issued on April 15, was assigned to MITSUBISHI CABLE INDUSTRIES LTD. (Tokyo).
"Annular metal seal, attachment structure for annular metal seal, and attachment method for annular metal seal" was invented by Kazuyuki Kashihara (Arida, Japan) and Satoshi Toudou (Arida, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an attachment structure for an annular metal seal, an annular metal seal includes a seal body configured such that at least one of outer corner portions thereof corresponding to an inner corner portion of the seal groove has a sharp ridge, and in a state where a positioning ring is held between an inner-side side surface of the ...