Flexible or portable closure – partition – or panel – Pleating type – Lazy-tong links pivot about axes parallel to panel
Patent
1990-01-09
1992-01-07
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Pleating type
Lazy-tong links pivot about axes parallel to panel
160 87, E06B 906
Patent
active
050781952
ABSTRACT:
A double-walled curtain of pleated material, wherein at least one fold of pleated material of the one wall is connected by means of two parallel connecting strips (10,11) to one or more folds of the other wall for the forming of a module, whereas the outward facing surfaces of the connecting strips bear co-acting coupling means, said modules being adapted to be extruded, whereby the height and width of the curtain can be determined in a simple manner, due to the tubular and endless length of material.
REFERENCES:
patent: 3229342 (1966-01-01), Cochran
patent: 4307768 (1981-12-01), Anderson
patent: 4677012 (1987-06-01), Anderson
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