Patent ID: 6915943

Claim:
An internal line-up clamp unit for use in the welding of pipe sections in the fabrication of a pipeline, comprising: a frame, an internal combustion engine mounted to said frame, a hydraulic pump coupled to said engine, a hydraulic manifold coupled to said hydraulic pump and coupled to a corresponding electrically operated hydraulic control unit, a line-up clamp mounted to said frame, wherein said line-up clamp is coupled to said hydraulic manifold and is hydraulically powered, drive and brake mechanisms hydraulically connected to said hydraulic manifold, a control box mounted to said unit and including a radio receiver, said control box connected to operate said hydraulic control unit, and a remote control transmitter having a plurality of control mechanisms which, when activated, produce control signals that are sent to said radio receiver in said control box for respectively operating said line-up clamp and said drive and brake mechanisms through said hydraulic control unit.