Apparatus for supporting and erecting supporting means for supporting undersea pipelines at all depths

Improved recoverable apparatus for the erecting or forming of liquid cement receiving pipe support means for supporting an undersea pipeline up to a great depth comprising frame means including means for connecting same in a vertically suspended state from a vessel, liquid cement-containing container means mounted on said frame means, hydropneumatic cylinder means mounted on said frame means in operative relationship with said cement-containing container means for actuating discharging the liquid cement therefrom, means mounted on said frame means for actuating said hydropneumatic cylinder means, vertical articulated positioning arm means operatively connected at one end to said frame means, said arm means including three arm elements hingedly connected one after another to each other by horizontally disposed pin means for rotation relative to one another about their respective horizontally disposed pin means, connecting means positioned at the end of the outermost or third arm element for releasably engaging said pipe supporting means, means for actuating each of said arm elements for movement into a plurality of positions, and means operatively associated with said vertical articulated positioning arm means and said cement-containing container means for passage of liquid cement from the cement-containing cement means to the pipe support means releasably connected to the outermost end of the vertical articulated positioning arm means.