| 摘要 |
1,171,192. Tunnelling machines. MASCHINENFABRIK HABEGGER A.G. 10 March, 1967 [25 March, 1966], No. 11278/67. Heading E1F. The boring head 1 of a tunnelling machine is supported by an axial and radial thrust-resisting bearing 9 in the leading end of the foremost of the flange-connected tubular sections 5, 6, 7, 8 forming the drive motors and control gear-containing protective body of the machine. The means for steering and advancing the machine forms the subject matter of the referred to Specification 1,125,118. |
