Method and apparatus for installing a branch connector from the

Details Method and apparatus for installing a branch connector from the Method and apparatus for installing a branch connector from the

1998-09-10

2000-11-07

Walton, George L.

Fluid handling

Processes

Cleaning, repairing, or assembling

292131, 292216, 292815, 2940215, 29559, 137 1508, 137318, 285 18, 285 24, 285 27, 285197, 285198, 138 97, F16K 4300, F16L 4106, F16L 4112, F16L 4116

Patent

active

061421650

ABSTRACT:
The invention relates to a method and apparatus for installing a branch connector on a buried pipe for transporting a fluid, and to do so by means of a multi-purpose long handle from the top of an excavation. The apparatus comprises a bottom saddle positioner having a support structure on which there are disposed firstly clamping connection means adapted to the diameter of the pipe together with a support adaptor for supporting a bottom saddle, and secondly means for releasably fixing the positioner to the end of the multi-purpose long handle and situated on the side of the support structure opposite from its side on which the clamping connection means are situated. Removable means can be fitted to the end of the multi-purpose long handle to put the branch connector into place on the pipe above the bottom saddle, to make a mechanical connection between the branch connector and the bottom saddle, to disconnect the bottom saddle positioner from the pipe, and to perform the operations of welding the branch connector to the pipe, of piercing the shank of the branch connector and of putting a cap into place on the shank.

REFERENCES:
patent: 4519124 (1985-05-01), Burghardt
patent: 4647073 (1987-03-01), Kosaka
patent: 4832069 (1989-05-01), Gale et al.
patent: 5659935 (1997-08-01), Lo-Pinto et al.
patent: 5740829 (1998-04-01), Jacobs et al.

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