US Patent Issued to S&B Technical Products on Nov. 11 for "Rieber sealing system with plastic retainer ring" (Costa Rican Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,123, issued on Nov. 11, was assigned to S&B Technical Products Inc. (Fort Worth, Texas).

"Rieber sealing system with plastic retainer ring" was invented by Mark A. Weih (San Jose, Costa Rica) and Guido Quesada (Santa Ana, Costa Rica).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe belling process where a heated thermoplastic pipe end is forced over a sealing gasket on a forming mandrel, with the pipe being subsequently cooled to retain the gasket in an internal groove simultaneously formed in the pipe end. The sealing gasket is a two-component gasket with an elastic component and a plastic component. The elastic component is stretched over a po...