Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler
Patent
1998-04-15
1999-12-14
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With fixed support for or ground installed supply means
Embedded or buried sprinkler
239201, 239203, 239205, 239570, 239572, 137 67, 137 6811, 137 71, 1373291, B05B 1510, B05B 130, F16K 4300
Patent
active
060006323
ABSTRACT:
A pop-up sprinkler head is provided with a mechanism that shuts off the water when the nozzle portion of the riser is removed for maintenance. A stopper element reciprocally mounted in the riser moves to a shut off position when the nozzle is removed. A valve seat member and a stopper element may be provided to retrofit the riser of an existing sprinkler head.
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Blum Alvin S.
Evans Robin O.
Kashnikow Andres
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