MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202647123517 A) filed by Tpr Co. , Ltd. on October 15, 2026, for Compression Ring, Compression Ring Combination, And Ring Body.
Inventors include Hatta, Satoshi; Sato, Keisuke; and Umeda, Naoki.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: This compression ring has: a ring body for being fitted into a ring groove formed in a piston, the ring body having formed in the inner circumferential surface thereof an inner circumferential groove that is recessed toward the radially outer circumferential side; and a coil expander that is disposed to the radially inner circumferential side of the ring body in the ring groove, and abuts the inner circumferential groove of the ring body, and spring-urges the ring body toward the radially outer circumferential side. The ring body is made of steel. Additionally, a value (d1/a1) obtained by dividing the nominal diameter (d1) of the compression ring by the radial thickness (a1) of the ring body is 57.0 or less.
Disclaimer: Curated by HT Syndication.
