Airtight and deformable sealing gasket for greenhouse vent closu

Details Airtight and deformable sealing gasket for greenhouse vent closu Airtight and deformable sealing gasket for greenhouse vent closu

1980-05-01

1981-12-22

Smith, Robert I.

Static structures (e.g., buildings)

Relatively yieldable preformed separator

Between overlapping edges of surfacing sections

49483, F04B 112, F04B 702

Patent

active

043063985

ABSTRACT:
A greenhouse has a deformable sealing gasket secured at the edge of a fixed roof thereof to engage an edge of a vent closure for sealing an air gap between the edges, when the vent closure is in its closed position.

REFERENCES:
patent: 1634987 (1927-07-01), Fedder
patent: 2055471 (1936-09-01), Balfe
patent: 2074497 (1937-03-01), Voigt
patent: 3589070 (1971-06-01), Hansen
patent: 4057941 (1977-11-01), Schwartz

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