Apparatus for installing a branch tapping on a pipe

Details Apparatus for installing a branch tapping on a pipe Apparatus for installing a branch tapping on a pipe

1994-12-28

1997-08-26

Briggs, William

Metal working

Plural diverse manufacturing apparatus including means for...

Binding or covering and cutting

292131, 2989011, 83745, 137318, 285 211, 408 99, B23P 1900, B23B 4108, F16K 4300, F16L 5510

Patent

active

056599358

ABSTRACT:
The apparatus enables a saddle-shaped parallel connection tapping to be installed on a pipe from the top of a hole in the ground. The apparatus comprises a frame having a tipping thrust device in the form of a spade controlled by rodding and designed to take up a position beneath the pipe, and a removable tapping positioner guided in the frame and including a tubular column that is split along one of its generator lines and that is fitted at its bottom end with a disconnectable module engaging the rims of the tapping. Means are provided on the frame to exert downwards pressure on the tapping support module in selective manner, and the removable module includes means for welding the tapping to the pipe. A device for driving a plug or a perforator device can be inserted in the cylindrical column of the tapping positioner from above.

REFERENCES:
patent: 4680848 (1987-07-01), Goldner
patent: 4832069 (1989-05-01), Gale et al
patent: 5257644 (1993-11-01), Saha et al.

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