Pipe-driving apparatus

Details Pipe-driving apparatus Pipe-driving apparatus

1987-02-11

1988-12-13

Massie, Jerome W.

Boring or penetrating the earth

With below-ground tool drive prime mover

With below-ground conveyer or impeller for removal of cuttings

175203, 175309, 175310, 299 56, 299 67, E21B 700, E21B 1044

Patent

active

047903953

ABSTRACT:
Pipe-driving apparatus used to create a pipe line of small diameter uses a pressing station in an access trench to drive in pipe sections one by one. A boring head and conveyor worm operates at the front of the pipe line in a working pipe section on which a cutting shoe is swivably mounted. The worm is a spiral flight on a drive shaft which runs within an open fronted container on which a drive unit for the boring head and the worm is mounted. Hydraulic bracing units mounted to the container can be swung out and engaged with stops in the working pipe section to brace the container during the filling operation. Projections on the container engage with the shoe and the bracing units can be used to steer the shoe. When the container is filled the bracing units re stowed and the container is withdrawn back down the pipe line to the access trench for discharging the material.

REFERENCES:
patent: 2771275 (1956-11-01), Ortloff
patent: 2915288 (1959-01-01), Crapez
patent: 2919121 (1959-12-01), Ruth
patent: 3603411 (1971-09-01), Link
patent: 3604754 (1971-09-01), Kampf-Emden
patent: 3672726 (1972-06-01), House
patent: 3692126 (1972-09-01), Rushing et al.
patent: 3938598 (1976-02-01), Watts
patent: 4398845 (1983-08-01), Stuckmann et al.
patent: 4576515 (1986-03-01), Morimoto et al.

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