Rigid thermoinsulating movable covering for greenhouses and the

Details Rigid thermoinsulating movable covering for greenhouses and the Rigid thermoinsulating movable covering for greenhouses and the

1982-07-07

1985-12-03

Murtagh, John E.

Plant husbandry

Greenhouse, apparatus or method

52 64, 52 67, A01G 924, A01G 922

Patent

active

045558655

ABSTRACT:
Rigid, thermoinsulating, movable covering for greenhouses or the like, comprising a self-supporting structure provided with a coating of thermoinsulating material or consisting of such material, adapted to move on tight sliding means in the interior or exterior of said greenhouses or the like from an inoperative position to an operative position and vice versa. Said self-supporting structure can be an enbloc structure or a telescopic structure, and said sliding means can consist of floats immersed in water.

REFERENCES:
patent: 2019831 (1935-11-01), Ricardo
patent: 3324593 (1967-06-01), Strasser
patent: 3350823 (1967-11-01), Murray
patent: 3741631 (1973-06-01), Laing
patent: 4244146 (1981-01-01), Kranz
patent: 4290242 (1981-09-01), Gregory, Jr.
patent: 4297813 (1981-11-01), Farrell
patent: 4352259 (1982-10-01), Smith et al.

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