Pipe-laying machine for oil pipelines, conduits and the like

Details Pipe-laying machine for oil pipelines, conduits and the like Pipe-laying machine for oil pipelines, conduits and the like

1977-08-25

1979-09-04

Husar, Francis S.

Material or article handling

Cylindrical bar handling device

Including ramp and retractable stop or ejector

212145, 405154, F16L 102

Patent

active

041665449

ABSTRACT:
A pair of self-propelled vehicles joined by an intermediate bridge having a rigid lifting arm hinged at one end to the intermediate bridge and having a device for gripping and lifting the pipes carried by the free end of the rigid arm such that the rigid lifting arm may be controlled to engage a pipe and lift it over the trench and lower the pipe into the desired position.

REFERENCES:
patent: 2967628 (1961-01-01), Erdahl
patent: 4050589 (1977-09-01), Dolza

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