Assembly and method of coupling pipes
First Claim
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1. A method of coupling pipes, comprising:
- connecting a first re-rounder to a first pipe;
connecting at least one linear actuator to said first re-rounder, said at least one actuator being movable in a first direction which is transverse to said first re-rounder;
connecting a second end of said at least one linear actuator to a backstop, said backstop being movable with said at least one linear actuator;
performing a first moving step comprising moving a coupling on to said first pipe with said backstop and said at least one linear actuator;
connecting a second re-rounder to a second pipe;
loosening said first re-rounder;
performing a second moving step comprising moving of said linear actuator to move said first re-rounder to engage said coupling and further move said coupling into engagement with said first and second pipes; and
, fusion welding said coupling to said first and second pipes.
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Abstract
A jig assembly and method of use are provided for positioning and re-rounding pipes for welding. The jig assembly comprises a first jaw assembly and a second jaw assembly which position and move a coupling onto one pipe then the second pipe for subsequent welding.
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Citations
15 Claims
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1. A method of coupling pipes, comprising:
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connecting a first re-rounder to a first pipe; connecting at least one linear actuator to said first re-rounder, said at least one actuator being movable in a first direction which is transverse to said first re-rounder; connecting a second end of said at least one linear actuator to a backstop, said backstop being movable with said at least one linear actuator; performing a first moving step comprising moving a coupling on to said first pipe with said backstop and said at least one linear actuator; connecting a second re-rounder to a second pipe; loosening said first re-rounder; performing a second moving step comprising moving of said linear actuator to move said first re-rounder to engage said coupling and further move said coupling into engagement with said first and second pipes; and
, fusion welding said coupling to said first and second pipes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of joining piping, comprising:
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applying a first jaw assembly to a first pipe segment; applying a second jaw assembly to a second pipe segment; connecting a first end of a linear actuator to one of said first jaw assembly and said second jaw assembly; connecting a second end of said linear actuator to the other of said first jaw assembly and said second jaw assembly; actuating said linear actuator to move one of said pipe segments and a coupling; loosening one of said first or second jaw assemblies; positioning the coupling over adjacent ends of said first and second pipe segments by movement of said loosened one of said first and second jaw assemblies. - View Dependent Claims (12, 13, 14, 15)
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Specification