Method and apparatus for production of underground pipelines

Details Method and apparatus for production of underground pipelines Method and apparatus for production of underground pipelines

E - Fixed Constructions

21

D

61/5.1, 61/4.6

E21D 1/06 (2006.01) E21B 7/06 (2006.01) E21D 9/00 (2006.01) E21D 9/12 (2006.01)

Patent

CA 1334482

Method and apparatus for producing underground pipeline containing head part (3) with cutting (17) rotating tool or hammering tool , loosened soil is transported out of tunnel with transportation drum (1) which contains spiral (2). Drum (1) is supported by roll device (13)(14) against pipe (8). Rotating movement is transmitted to rotating drill head (3) from transportation drum (1) , which is driven by motor (27). Cylinders (28) are pushing whole the system and force is transmitted by outer pipe (8) to head part (3) and guiding of head part (3) is done by cylinder (9). Entering and direction of head part (3) is observed through free opening of transportation drum (1).

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