Self-coiling partition

Details Self-coiling partition Self-coiling partition

1981-11-19

1989-03-07

Britts, Ramon S.

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Roll type

160238, E06B 908

Patent

active

048097608

ABSTRACT:
This invention relates to a partition such as a curtain, blind, shade etc. employing the self-coiling sheets which play the dual role of the partitioning medium as well as the mechanism providing the means for extending and retracting said partition. Said self-coiling sheets constituting the self-coiling partition may be a planar plastic sheet of a single or multiple layers in structure with an intrinsic material property of coiling itself into a roll, or a fabric reinforced with a plurality of the spiral springs providing the self-coiling characteristics, or a double layer of plastic sheet including a thin flat sheet under a tension suprimposedly bonded to a corrugated plastic sheet with a stiffness under compression whereby the combination of the tension and the compression provides the coiling moments distributed over said plastic sheet or double layer structure.

REFERENCES:
patent: 669321 (1901-03-01), Holwager et al.
patent: 1469150 (1923-09-01), Church
patent: 2943965 (1960-07-01), Stogre
patent: 3195616 (1965-07-01), Taber
patent: 3306344 (1967-02-01), Youngs
patent: 4433711 (1984-02-01), Lew

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