Pipe conditioning tool
AssigneeAutomatic Coating Limited
InventorBrad Bamford
Life of this patent
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Abstract
A pipe conditioning tool comprising a drive unit to move the tool along a pipe and a work head rotatable about an axis of the pipe to condition a surface of the pipe, the drive unit includes a frame extending to opposite sides of the pipe, the frame having legs extending radially beyond the work head to provide support for the tool upon removal from said pipe.
Claims11
A girth weld coater to apply a coating to a girth weld connecting a pair of sections of a pipe, said girth weld coater having a support fixed to the pipe and including a pair of yokes spaced apart along the longitudinal axis of said pipe with each of said yokes extending about said pair of sections of the pipe in a continuous manner and radially spaced from an outer surface of said pair of sections of said pipe, a carriage extending between said pair of yokes in spaced relationship to the surface of the pair of sections of the pipe for continuous movement around the pair of sections of the pipe, a reservoir of coating material detachably secured to the carriage to move with the carriage around the pair of sections of the pipe, a dispenser assembly mounted on the carriage for movement therewith about said pair of sections of the pipe to dispense coating material from the reservoir onto the outer surface of said pair of sections of the pipe and an applicator carried by the carriage and extending from the carriage and into engagement with the outer surface of the pair of sections of the pipe to spread the coating material over the girth weld as the carriage rotates.
Dependencies are inferred from the claim text.