Plant husbandry – Greenhouse – apparatus or method
Patent
1976-02-23
1977-12-27
Eickholt, E. H.
Plant husbandry
Greenhouse, apparatus or method
16 87R, 49332, 52173R, 98 42A, 160 1, 160 4, 165 1, 200 6107, 242 62, 254183, 340282, A01G 900, A01G 924
Patent
active
040646483
ABSTRACT:
An insulating system for reducing heat loss from a structure during one part of the day and for permitting light to enter the structure during another part of the day, this system comprising a roll mounted on the structure, a flexible sheet of material wound around the roll, structure supporting the roll immediate its length and engaging portions of the wound sheet, and means for unwinding the sheet from around the roll and deploying it in a plane and for rotating the roll to rewind the sheet therearound; and a system for detecting build-up of snow or ice.
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Eickholt E. H.
Feyrer James R.
Roll-Out Insulation Systems, Inc.
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