Extractors

Details Extractors Extractors

1977-04-25

1979-04-17

Love, John J.

Fluid sprinkling, spraying, and diffusing

With heating or cooling means for the system or system fluid

Spray terminal carrying member carriers heater

239189, 239210, B05B 318

Patent

active

041496760

ABSTRACT:
An elongated extraction tube resting on sealing saddles on valved risers of a buried mainline is pulled along the mainline by a hydraulically driven capstan on the extraction tube pulling an anchored cable resting on saddles and guiding the tube into each saddle. The extraction tube spans two risers, and has a series of check valves receiving water from the saddles, and opens the valve of each riser as the tube comes into sealed engagement with the saddle of that riser and closes that valve just before the tube is moved out of that saddle. In an alternate embodiment, an extraction tube is moved along floating saddles by powered rollers engaging flanges on risers supporting the saddles, and levers on the risers are pivoted by the tube to actuate capstans to open spring closed valves in the risers.

REFERENCES:
patent: 1079817 (1913-11-01), Williamson
patent: 3349794 (1967-10-01), Behlen
patent: 3679135 (1972-07-01), Grosch
patent: 3729016 (1973-04-01), Linsowe

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