ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,642, issued on Aug. 26, was assigned to GRUPO EMPRESARIAL TECOZAM, S.L (Madrid).
"Full round travelling formwork for secondary lining of tunnels" was invented by Ruben Gomez Rojo (Madrid).
According to the abstract* released by the U.S. Patent & Trademark Office: "A formwork system is specifically adapted to be full-round tunnel lining formwork systems. The system includes at least one formwork element having a surface shaped to conform a part of a tunnel lining, and hydraulic cylinder coupled with the formwork element to exert pressure on it towards a primary lining, and at least one load sensor for measuring load exerted by the hydraulic cylinder. The system further includes a ...