Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler
Patent
1996-05-20
1998-03-24
Weldon, Kevin
Fluid sprinkling, spraying, and diffusing
With fixed support for or ground installed supply means
Embedded or buried sprinkler
239310, 239600, A01G 2506
Patent
active
057303649
ABSTRACT:
An automatic fertilizing device is installed inline with a below ground water line for an underground sprinkler system, thus placing the entire device below the surface. The device comprises a fertilizer tablet chamber with an inlet and outlet at opposite ends, which are connected to the inlet and outlet side of the water line. A fertilizer replenishment passage extends upwardly from the chamber, with an upper end positioned at or below ground level. One or more inlet and outlet screens may be provided at each end of the chamber, thus preventing the entrance of small particles of the solid fertilizer tablet into either the inlet or outlet line as the tablet is slowly dissolved by water flow therearound. The closure for the passage may include a fertilizer tablet retainer extending downwardly therefrom, to retain the tablet within the full flow of water through the chamber and to prevent the tablet from rising into the replenishment passage. A solid fertilizer tablet is placed into the passage to the chamber and the closure sealed in the passage, and the sprinkler system is operated normally to provide automatic distribution of dissolved fertilizer material with the water dispensed from the sprinkler system. The present device thus provides an unobtrusive, inexpensive, and fully automatic method of distributing fertilizer over any area covered by the sprinkler system with which the device is installed, with the device requiring only periodic inspection of the chamber contents and replenishment of the fertilizer tablet as required.
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Litman Richard C.
Weldon Kevin
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