Tapping apparatus and method

Details Tapping apparatus and method Tapping apparatus and method

1981-04-06

1983-08-23

Walton, George L.

Fluid handling

Processes

Cleaning, repairing, or assembling

29157T, 29432, 83 54, 89 1B, 102319, 102333, 137318, 137 68A, 222 81, F16K 5100, F16L 5510

Patent

active

043998291

ABSTRACT:
A tapping apparatus and method for making connections to pipelines and vessels while they are in service and contain fluid under pressure. The tapping apparatus and method includes an explosively driven punch that is operated to penetrate the pipeline. A tensile force is applied to retract the punch, and allow the fluid to pass from the pipeline through the apparatus and into the service connection.

REFERENCES:
patent: 2736335 (1956-02-01), Webber
patent: 3072138 (1963-01-01), Fabian et al.
patent: 3277683 (1966-10-01), Knoblock
patent: 3295398 (1967-01-01), Morain
patent: 3495615 (1970-02-01), Ehrens et al.
patent: 3561298 (1971-02-01), Graffenreid
patent: 4034777 (1977-07-01), Gebelius
patent: 4205697 (1980-06-01), Gebelius

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