Shield tunneling machine

Details Shield tunneling machine Shield tunneling machine

2006-07-11

2006-07-11

Singh, Sunil (Department: 3673)

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

C299S081200, C299S055000, C299S017000

Reexamination Certificate

active

07073869

ABSTRACT:
A shield tunneling machine has a shield body and a cutter head rotatably provided at the forward end of the shield body in the excavation direction. Abrasive jet spray nozzles for spraying abrasive jet water are movably provided on the cutter head. Obstacles encountered during excavation can be broken efficiently with high cutting quality by properly controlling the movable abrasive jet spray nozzles according to the size and configuration of each particular obstacle.

REFERENCES:
patent: 3475055 (1969-10-01), Snedden
patent: 3784103 (1974-01-01), Cooley
patent: 4534427 (1985-08-01), Wang et al.
patent: 4624326 (1986-11-01), Loegel, Jr.
patent: 10-331589 (1998-12-01), None
patent: 11-81861 (1999-03-01), None
patent: 2002-81289 (2002-03-01), None
patent: 2002-332795 (2002-11-01), None

Affiliated with

Also associated with

Rating

Shield tunneling machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Shield tunneling machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shield tunneling machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3559635