Plant husbandry – Receptacle for growing medium – Irrigator
Patent
1976-07-06
1977-10-11
Burr, Edgar S.
Plant husbandry
Receptacle for growing medium
Irrigator
47 58, A01G 2700
Patent
active
040528189
ABSTRACT:
Plants are containerized with a self-watering system by forming a water reservoir in the bottom of a container with a screen supported over the reservoir spaced from the water by means of a coarse growing medium received in the reservoir. Above the screen is a fine growing medium which, prior to initial introduction in the container, is prevented from dropping through the screen by means of a permeable easily decomposable sheet material such as filter paper placed over the screen. The roots of the plant are placed in the fine growing medium, however, due to the size of the mesh of the screen, specialized or water roots are developed which extend through the screen and into the reservoir to help feed the plant with water. The fine growing medium receives its water from the reservoir through means of one or more wicks which extend between the reservoir and the fine growing medium above the reservoir. Water is supplied to the reservoir by a watering tube extending vertically through a preformed aperture in the screen. The level of water in the reservoir is indicated by a float in the watering tube including a stem which projects from the top of the tube when the reservoir contains water. The top of the stem is marked with indicia to determine whether the reservoir is empty of water or has been filled to a predetermined maximum level below the screen. To prevent withdrawal of the stem from the watering tube, an intermediate portion of the tube is provided with a cross member acting as a stop engageable with the bottom of the float to prevent withdrawal upwardly through the tube.
REFERENCES:
patent: 1129554 (1915-02-01), Courtney
patent: 2081337 (1937-05-01), Lockyer
patent: 3067543 (1962-12-01), Bracey
patent: 3331154 (1967-07-01), Schilling
patent: 3483656 (1969-12-01), Baumann
patent: 3683548 (1972-08-01), Hagerty
patent: 3739524 (1973-06-01), Rose
Hamilton, A., "Scheme for Healthy Houseplants", New York Times, 11/8/53, Section 2, p. X-35.
Burr Edgar S.
Feyrer James R.
Mouzavires William E.
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