Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Roll type
Patent
1993-10-28
1999-05-11
Purol, David M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Roll type
160230, 160232, 4502, E06B9/08
Patent
active
059017708
ABSTRACT:
A flexible cover, which can be rolled onto and about a support rotatable about an axis, and can be unrolled therefrom, consists of at least one translucent sheet having: a continuous outside wall extending throughout the width and throughout the length of the sheet, the length being the dimension which is parallel to the rotational axis of the support and the rolling and unrolling axis of the sheet; a discontinuous inside wall parallel to the outside wall and extending throughout the length and, in a discontinuous interrupted manner, the width of the sheet; and parallel longitudinal walls, extending throughout the length of the sheet, perpendicularly to and connecting the outside and inside walls to define groups of successive longitudinal cells, interruptions of the inside wall defining spaces between respective pairs of adjacent groups of successive cells, the groups being separate and being connected solely by the outside wall which, at the interruptions at the inside wall, constitutes a flexure portion for rolling and unrolling of the sheet onto and off the support. The cover is applicable to the closure of an outside swimming pool or a balcony.
REFERENCES:
patent: 3019450 (1962-02-01), Karasiewicz
patent: 3072920 (1963-01-01), Yellott
patent: 3683428 (1972-08-01), Morris
patent: 4028750 (1977-06-01), Gustafsson
patent: 4037639 (1977-07-01), Jones
patent: 4328930 (1982-05-01), Kalendovsky
patent: 4535828 (1985-08-01), Brockhaus
patent: 4577352 (1986-03-01), Gautheron
patent: 4628549 (1986-12-01), Lazar
patent: 4709688 (1987-12-01), Paradis
patent: 5107552 (1992-04-01), Lavalliere et al.
Belpaume Charles
De Cavel Michel
Belpaume Charles
Hinds William R.
Holt William H.
Purol David M.
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