Fluid handling – With repair – tapping – assembly – or disassembly means – Tapping a pipe – keg – or apertured tank under pressure
Patent
1993-12-15
1997-08-26
Walton, George L.
Fluid handling
With repair, tapping, assembly, or disassembly means
Tapping a pipe, keg, or apertured tank under pressure
137240, 138 94, 138 97, F16K 4300, F16L 5518, F16L 5526
Patent
active
056602022
ABSTRACT:
A hot tap apparatus for insertion of a controllable device into an in-service pipeline comprising a housing adapted to be sealably secured to a pipe and enclose a portion of the pipe. The housing forms a chamber which is partitioned into an insertion chamber and a discharge chamber, the insertion chamber being disposed adjacent to an insertion end of the housing and the discharge chamber being disposed adjacent the discharge end of said housing. The insertion end of the housing is sealable. The apparatus further comprises a cutting apparatus for cutting an opening in the pipe sized to receive the controllable device disposed in the housing.
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Campbell Bruce K.
Hardy Kenneth C.
Rush, Jr. William F.
Sweetwood Lynn A.
Institute of Gas Technology
Walton George L.
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