MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202617077559 A) filed by China Railway Construction Heavy Industry Co. , Ltd. on June 23, 2026, for In-Advance Drilling Rig Apparatus And Shield Machine.
Inventors include Wen, Shicheng; Meng, Xiangbin; Liu, Junjun; Cheng, Xiaoxiao; Shu, Pengfei; Wang, Sheng; Zhang, Ruilin; Li, Fanjie; Fan, Wenjun; and Yan, Wenbiao.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: An in-advance drilling rig apparatus and a shield machine, relating to the technical field of tunnel construction, and used for solving the problems in the prior art that an in-advance drilling rig apparatus interferes with other mecha...