Plant husbandry – Receptacle for growing medium – Irrigator
Patent
1980-04-24
1982-04-13
Feyrer, James R.
Plant husbandry
Receptacle for growing medium
Irrigator
A01G 2700
Patent
active
043240704
ABSTRACT:
A self-watering planter having reduced evaporative losses is disclosed. The planter includes a water reservoir having at least one sealable opening for receiving water therein, a wick and mat assembly disposed atop the reservoir, and a plant container disposed atop the absorbent mat. A portion of the wick is immersed in water contained in the reservoir to transfer water to the absorbent mat. Openings formed in the base of the plant container allow moisture from the mat to be drawn into growing media disposed within the plant container. The plant container includes a downwardly extending rim formed as part of its base which completely covers and seals the absorbent mat when the plant container is seated atop the water reservoir to prevent evaporation of moisture from the mat directly to the atmosphere. In one embodiment, complementary openings are formed in respective wall and top portions of the plant container and water reservoir which, when aligned, allow the reservoir to be filled with water without removing the plant container or absorbent mat assembly. When the plant container is rotated so that the water-receiving openings are misaligned, the water reservoir is sealed to prevent evaporation of water directly to the atmosphere. In an alternative embodiment, the sealable opening is formed in a wall of the water reservoir, with a removable stopper inserted therein to prevent evaporation of water in the reservoir directly to the atmosphere.
REFERENCES:
patent: 265097 (1882-09-01), Johnston
patent: 320588 (1885-06-01), Rhoads
patent: 1264096 (1918-04-01), Lelievre
patent: 1342786 (1920-06-01), White
patent: 3786598 (1974-01-01), Stadelhofer
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