Film-type storm window

Details Film-type storm window Film-type storm window

1978-06-30

1980-07-01

Caun, Peter M.

Flexible or portable closure, partition, or panel

With nonrigid frame or border elements

160328, 160378, A47H 2300

Patent

active

042101913

ABSTRACT:
A protective, flexible membrane structure for installation in a framed opening with corners. Typically a clear plastic structure having a peripheral tension element running through affixed tubes lying in peripheral circular arcs. Tensioning members at the corners apply tension to the tension element to produce a flat, wrinkle-free surface. In preferred embodiments the tension means also have clamping means to hold folded corners of the flexible membrane, a fold of the membrane along the perimeter of the membrane lying against the frame of the opening to provide a sealing arrangement.

REFERENCES:
patent: 2891603 (1959-06-01), Lilienfeld
patent: 3374797 (1968-03-01), Neumark
patent: 3496686 (1970-02-01), Bird
patent: 3991806 (1976-11-01), Abell
patent: 4046186 (1977-09-01), Nordstrom

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