Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1982-06-03
1984-04-24
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
72316, 285 39, 29237, 405169, F16L 3500
Patent
active
044445270
ABSTRACT:
A collar forming machine for the repair of submerged pipelines is provided comprising a forming module having the central shaft (10) passing through the body (12) of a main jack, a piston (18) sliding on the shaft and carrying at its end a forming punch (13), the shaft carrying in its part intended to penetrate inside the tube to be repaired internal locking means (14) to be forcefully applied to the inner face of the wall of the tube and capable of transferring the forming force to the tube itself, further comprising external locking means (17) applied to the external face of the wall of the tube to prevent deformation thereof.
REFERENCES:
patent: 3031007 (1962-04-01), Temple et al.
patent: 3412592 (1968-11-01), Ramsay
patent: 3466738 (1969-09-01), Mount
patent: 3660884 (1972-05-01), Kowal
patent: 3820375 (1974-06-01), Koski
patent: 3913364 (1975-10-01), Strybel
patent: 4109945 (1978-08-01), Manchester et al.
patent: 4183555 (1980-01-01), Martin
Besnard Francois
Fournie Rene
Societe Nationale ELF Aquitaine (Prod.)
Taylor Dennis L.
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