Static structures (e.g. – buildings) – Enclosure including flaccid nonmetallic or foraminous surfacing
Patent
1990-11-15
1993-05-18
Friedman, Carl D.
Static structures (e.g., buildings)
Enclosure including flaccid nonmetallic or foraminous surfacing
52 64, 135101, E04B 112
Patent
active
052109836
ABSTRACT:
This invention relates to an extruded section for use as a ridge or gutter section in a foil greenhouse, which section comprises at least one hollow extending in the longitudinal direction of the section. The hollow is accessible via a slot and is adapted to receive a thickened rim of a foil material. According to the invention the hollow is bounded by two superposed arms, at least one of them being sufficiently resilient for the arms to be bent apart to enable the thickened rim of a foil material to pass into the hollow and a further hollow is provided in the longitudinal direction of the section for receiving in operation a steel wire. The invention further relates to a foil greenhouse provided with at least a number of ridge or gutter sections comprising such an extruded section, to a foil sheet with a thickened rim suitable for cooperation with the present section, and to an auxiliary tool for zipping a thickened rim of a foil sheet into a hollow of an extruded section according to this invention.
REFERENCES:
patent: 2019831 (1935-11-01), Ricardo
patent: 4381629 (1983-05-01), Ahn
patent: 5076033 (1991-12-01), Patsy
Aubrey Beth A.
Friedman Carl D.
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