MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202617059724 A) filed by Herrenknecht Aktiengesellschaft on May 11, 2026, for Tunnelling Machine.
Inventors include Isele, Dietmar; and Feisst, Albert.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: The invention relates to a tunnelling machine in which a sealing assembly (212) is provided which has a first internal chamber (369) and a second internal chamber (372) to which lubricants can be applied via a fluid-supply assembly. A pressure in the first internal chamber (369) can be adjusted by the fluid-supply assembly such that the pressure is between a pressure in a head chamber (306), which is at ...