MUMBAI, India, May 30 -- Intellectual Property India has published a patent application (202517042815 A) filed by Herrenknecht Aktiengesellschaft, Schwanau, Germany, on May 2, for 'tunnel boring machine.'
Inventor(s) include Wehrmeyer, Gerhard; Wiesler, Simon; and Hoss, Jurgen.
The application for the patent was published on May 30, under issue no. 22/2025.
According to the abstract released by the Intellectual Property India: "A control unit is provided in a tunnel boring machine, in which a predetermined and preferably smallest possible output of sealing material (227) out of a shield tail seal (121) into a residual layer (230) usually covered by a grouting material (224) for filling a ring gap (218) can be adjusted with relatively few...