Tunnel boring machine

Details Tunnel boring machine Tunnel boring machine

1984-03-29

1987-01-20

Leppink, James A.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Stepper-type advance-causing means

299 33, 299 55, E21D 908

Patent

active

046376577

ABSTRACT:
A tunnel boring machine for boring a curvilinear tunnel in earthen strata is described.

REFERENCES:
patent: 2766978 (1956-10-01), Robbins
patent: 3061288 (1962-10-01), Robbins
patent: 3345108 (1967-10-01), Newman et al.
patent: 3383138 (1968-05-01), Scaravilli
patent: 3433532 (1969-03-01), Enz
patent: 3920277 (1975-11-01), Winberg et al.
patent: 3957310 (1976-05-01), Winberg et al.
patent: 3963080 (1976-06-01), Walker
patent: 4185873 (1980-01-01), Bohnes et al.
patent: 4189186 (1980-02-01), Snyder
patent: 4312541 (1982-01-01), Spurgeon
patent: 4420188 (1983-12-01), Robbins et al.
patent: 4494799 (1985-01-01), Snyder
patent: 4527837 (1985-07-01), Snyder

Affiliated with

Also associated with

Rating

Tunnel boring 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 Tunnel boring machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tunnel boring machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2131789