Detachable insulating cover assembly for greenhouses and the lik

Details Detachable insulating cover assembly for greenhouses and the lik Detachable insulating cover assembly for greenhouses and the lik

1979-09-05

1981-02-24

Bell, J. Karl

Static structures (e.g., buildings)

Enclosure including flaccid nonmetallic or foraminous surfacing

52202, 52404, 52361, E06B 900

Patent

active

042519616

ABSTRACT:
A detachable insulating cover assembly for greenhouses and similar structures using plastic cover sheets for the creation of a stationary air layer, the sheets being held in place by manually clampable and releasable fastener assemblies, each consisting of a fastener base with a stem and a fastener cap, the fastener bases being detachably clampable to the base flange of T-bars which form the skeleton of the greenhouse, using transversely movable attachment members with retaining noses that reach behind the edges of the T-bar base flange in the clamped position. Several variants of attachment members are disclosed.

REFERENCES:
patent: 2232533 (1941-02-01), Illsche
patent: 2412744 (1946-12-01), Nelson
patent: 2648882 (1953-08-01), Van Buren
patent: 3238835 (1966-03-01), Rosenberg
patent: 3375831 (1968-04-01), Serbus
patent: 3378975 (1968-04-01), Hill
patent: 3881288 (1975-05-01), Fay
patent: 3930344 (1976-01-01), Gahler
patent: 4037751 (1977-07-01), Miller et al.
patent: 4174596 (1979-11-01), Deibele

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