Flexible or portable closure – partition – or panel – Fabric fastening means – To elongated element
Patent
1977-06-20
1978-12-05
Wintercorn, Richard A.
Flexible or portable closure, partition, or panel
Fabric fastening means
To elongated element
47 17, 49 74, 52 64, 160167, 160176R, 160328, G02B 2700
Patent
active
041283074
ABSTRACT:
A device for controlling the incidence of heat and light radiation on a growing area of a greenhouse or the like comprises slats of a non-self-supporting material which are tensioned to hold them in shape. The slats are arranged in parallel side-by-side relationship to cover substantially the whole growing area and can be tilted like Venetian blinds.
REFERENCES:
patent: 2046601 (1936-07-01), Atkinson
patent: 2857634 (1958-10-01), Garbade et al.
Badertscher Hans
Schindler Walter
Plascon AG.
Wintercorn Richard A.
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