Relating to handling or laying pipes

Details Relating to handling or laying pipes Relating to handling or laying pipes

1992-07-29

1994-11-29

Taylor, Dennis L.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

405303, F16L 100

Patent

active

053684133

ABSTRACT:
Pipe handling and laying apparatus 1 supports a pipe on holding and a support 2,3 and includes extendible and a retractable gripping member 4 having gripping head 4a. The pipe, supported generally within area A, is brought in end-to-end relationship with another pipe to be joined thereto. Gripper head 4a is introduced into the open end of the second pipe and ram piston P of hydraulic ram H is retracted causing legs L of gripper head 4 to pivot into extended positions to grip the interior wall of the second pipe by means of gripper feet F. Further retraction of ram piston P pulls the first pipe into close relationship with the second.

REFERENCES:
patent: 4513504 (1985-04-01), Nussbaumer et al.
patent: 4594027 (1986-06-01), Becker
patent: 4648746 (1987-03-01), Abinett
patent: 4682912 (1987-07-01), Henry
patent: 4741646 (1988-05-01), Hatch
patent: 4984289 (1991-01-01), Arakawa et al.
patent: 5048793 (1991-09-01), Mefford et al.
patent: 5061120 (1991-10-01), Akesaka
patent: 5069426 (1991-12-01), Gabrysch

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