Gear operated squeeze off tool

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 7/06 (2006.01)

Patent

CA 2068094

12 ABSTRACT A squeeze off tool for a flexible pipe includes a vice arrangement involving a first member below the pipe and a second member above the pipe, with a framework guiding the second member for movement toward and away from the first, A power screw has one end rotatably mounted in the second member but cannot move axially with respect to the second member, the power screw having external threads at a location remote from the one end. A locking device selectively restrains rotation of the power screw with respect to the second member. A mechanical advancement mechanism mounted on the framework includes (a) a component defining an internal thread engaging an external threadon the power screw so that rotation of the power screw when the component is stationary moves the power screw axially, and (b) a worm gear mechanism is provided for rotating the component with respect to the framework, so that rotation of the component when the power screw is restrained against rotation will also move the power screw axially with respect to the component.

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