B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
26/74
B08B 9/02 (2006.01)
Patent
CA 1165544
ROYCE G. ROBERTS PROTECTOR REMOVAL TOOL ABSTRACT OF THE INVENTION Apparatus for removing protective members from the threaded ends of pipe joints. A rotating head assembly is attached for longitudinal movement respective to a main frame having a motor mounted therewithin. The head includes a plu- rality of protector gripping jaws which are radially spaced from one another and aligned such that movement of the head assembly towards and away from the main frame causes the jaws to releasably grip the pipe protector. The rotating head assembly includes spaced parallel arms connected to cause the jaws to maintain the same relative position as the jaws are moved apart from one another to accommodate different diameter pipe. The apparatus can also be used to engage and remove pipe couplings as well as other threaded members. A second embodiment of the invention includes a cleaning head assembly mounted to the main frame which cleans the threads of both the box end and pin end of the pipe. A drifter is extended through the interior of the pipe to assure that the inside diameter thereof is greater than a predetermined minimum value.
368113
Borden Ladner Gervais Llp
Roberts Royce G.
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