Ram boring machine for laying service lines without excavation

Details Ram boring machine for laying service lines without excavation Ram boring machine for laying service lines without excavation

1989-07-28

1991-01-01

Neuder, William P.

Boring or penetrating the earth

Boring without earth removal

405154, E21B 1109, F16L 100

Patent

active

049811819

ABSTRACT:
A ram boring machine for laying service lines in the ground without excavation, having a striking piston axially displaceable in a tubular housing and driven by means of a pressure medium via a supply hose connected to the housing, in which the supply hose is connected to the front end of the housing in the direction of advance and does not obstruct work on new pipes pushed into the passage made in the ground or drawn in simultaneously by the ram boring machine.

REFERENCES:
patent: 4662457 (1987-05-01), Bouplon
patent: 4674916 (1987-06-01), Wayman et al.
patent: 4738565 (1988-04-01), Streatfield et al.
patent: 4789268 (1988-12-01), Yarnell
patent: 4809789 (1989-03-01), MacFarlane
patent: 4871034 (1989-10-01), Schmidt

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