29781, 61111, B23K 3704
Apparatus and method for mounting a coupling member over the end of a pipe in a subsea location where the pipe is being supported in cantilevered fashion. The apparatus includes a frame arranged for lowering to and mounting generally adjacent the pipe end and with the frame supported on the seabottom. It includes a beam connected to the frame arranged to extend generally longitudinally over the pipe for supporting the coupling member. A carriage is mounted on the support means for longitudinal travel thereon. The carriage has connection means for holding the coupling member therebelow. The apparatus includes means for raising and lowering the coupling member relative to the frame and the pipe. Power means are also provided for moving the support beam transversely relative to the frame and the pipe and for moving the carriage means on the support means longitudinally relative to the frame and pipe, whereby the frame and coupling can be lowered in a body of water until the frame contacts the seabottom and said coupling member may be brought into coaxial alignment with and passed over the end of the pipe.
patent: 3191787 (1965-06-01), Stearn
patent: 3204417 (1965-09-01), Robley
patent: 3253851 (1966-05-01), Gilbert
patent: 3267682 (1966-08-01), Robley
patent: 3657786 (1972-04-01), Wiswell
patent: 3658231 (1972-04-01), Gilman
patent: 3785160 (1974-01-01), Banjavich et al.
HydroTech International, Inc.
Werner Frank E.
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