Fluid sprinkling – spraying – and diffusing – With cleaning means – drip collecting – waste disposal or soil...
Patent
1989-02-09
1990-04-03
Fluid sprinkling, spraying, and diffusing
With cleaning means, drip collecting, waste disposal or soil...
239205, 239570, B05B 1510
Patent
active
049133527
ABSTRACT:
A pop-up irrigation sprinkler having a tubular pressure regulator mounted for movement in the pop-up stem and a funnel shaped grit protector shroud mounted within the stem above the pressure regulator to direct deleterious particulate matter downwardly through the pressure regulator.
REFERENCES:
patent: 3948285 (1976-04-01), Flynn
patent: 4078726 (1978-03-01), Walto
patent: 4080993 (1978-03-01), Lind, Jr.
patent: 4479611 (1984-10-01), Galvis
patent: 4681260 (1987-07-01), Cochran
patent: 4796804 (1989-01-01), Weiss
Verbera Steven
Witty Michael E.
Merritt Karen B.
Rain Bird Consumer Products Mfg. Corp.
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