Goods-handling door reduced surface abrasion

Details Goods-handling door reduced surface abrasion Goods-handling door reduced surface abrasion

1992-11-03

1994-05-03

Purol, David M.

Flexible or portable closure, partition, or panel

Roll type

With fabric reinforcements

A47G 502

Patent

active

053078594

ABSTRACT:
A goods-handling door having a retractable curtain includes a flexible curtain that is rollable or foldable by use of a rotary winding shaft. In the door, the curtain is provided, on at least one face, with at least one flexible strip extending perpendicular to the shaft and forming excess thickness on the curtain. When the curtain is rolled or folded in its retracted position, the separation strip rolls or folds onto itself to hold the layers of the curtain apart from one another.

REFERENCES:
patent: 3292685 (1966-12-01), Clark
patent: 3583465 (1971-06-01), Youngs et al.
patent: 4397347 (1983-08-01), Brabant
patent: 4736785 (1988-04-01), Seuster
patent: 4800946 (1989-01-01), Rosenoy
patent: 4824505 (1989-04-01), Kraeutler
patent: 4825921 (1989-05-01), Rigter
patent: 5099905 (1992-03-01), Rigter

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