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Ateliers et Chantiers de Bretagne-A.C.B., Societe Anonyme Patents |
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Assignee: Ateliers et Chantiers de Bretagne-A.C.B., Societe Anonyme
Address: Nantes, FR
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4171175 |
Apparatus for underwater welding of pipes |
October 16, 1979 |
| A system for welding the ends of submerged pipes in a gaseous atmosphere at any depth comprises isolating the ends of the pipes by introducing obturators therein and then introducing the pipe ends into an open topped receptacle which is capped with an underwater personal carrying int |
| 4103500 |
Apparatus for connecting the ends of submerged pipes |
August 1, 1978 |
| The ends of submerged pipes are connected using a receiver provided with two apertures through which the pipe ends extend, the receiver being adapted to form a watertight enclosure with an intervention unit and housing means for closing the ends of the pipes comprising two stoppers b |
| 4067199 |
Method and apparatus of launching floats to lighten underwater conduits |
January 10, 1978 |
| To enable the release and consequent recovery of a support float which supports a load, e.g. a pipe, as it is lowered to the sea bed, a marker buoy is lowered with the float to be released when the load reaches the sea bed, the marker buoy having an inflated flexible envelope which is |
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