Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Diverse types
Patent
1975-12-08
1976-11-16
Kannan, Philip C.
Flexible or portable closure, partition, or panel
Plural and/or with rigid closure
Diverse types
160180, 160354, 160392, 160395, A47H 1300, E06B 332
Patent
active
039918068
ABSTRACT:
A storm window construction includes longitudinally grooved framing strips attached to the four faces of a window casing either inside or outside the window glass. Edge portions of a clear flexible plastic membrane stretched across the window opening and spaced from the glass are held within the grooves of the framing strips by bead strips to maintain the membrane under tension and provide an insulating air space between the membrane and the glass. The bead strips are oblong and can be inserted in the framing strip grooves only along the short diameter of the bead. Once in the groove the bead strip tends to rotate into wedging engagement with cylindrical inner wall portions of the groove under membrane tension to secure the bead and membrane in place. Surface portions of each bead strip intersected by its short diameter and portions of each framing strip at the entrance to the groove may be scored or toothed longitudinally to resist removal of the bead strip from the groove of the framing strip. One form of framing strip is channel-shaped in cross section and has an opening in its web portion and a slidable plastic insert for covering such opening. A second form of framing strip has two parallel grooves for receiving separate bead strips for securing two parallel spaced membranes to provide two insulating air layers between the window glass and the outermost membrane from the glass. A third form of framing strip has an integral window sash guide flange for replacing the conventional window sash guide molding found in older window constructions.
REFERENCES:
patent: 2897889 (1959-08-01), Kessler
patent: 2925862 (1960-02-01), Sundby
patent: 3002236 (1961-10-01), Humphner
patent: 3143165 (1964-08-01), Lewis et al.
patent: 3371702 (1968-03-01), Keegan et al.
patent: 3908730 (1975-09-01), Goss, Jr. et al.
Kannan Philip C.
Temp-Rite, Inc.
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