Receptacles – Closures – Closure penetrated through intersecting slits
Patent
1987-04-09
1988-05-24
Hall, George T.
Receptacles
Closures
Closure penetrated through intersecting slits
B65D 5100
Patent
active
047460296
ABSTRACT:
A cooler curtain for maintaining an air barrier between the opening of a storage facility and the surrounding atmosphere. A plurality of closely spaced, resilient self-closing curtain elements are relatively movable between a closed position in which the elements of a pair thereof are closely adjacent and combinatively define an air barrier to impede air movement through a portion of the opening, and an open position in which the elements in the pair are spaced further apart to provide access therebetween to the storage unit through the opening. A drop-in removable insert frame structure is suspended over the horizontal, top opening of the storage facility to position the curtain elements over the front opening and top opening forming the air barrier. The plurality of self-closing curtain elements extend horizontally between the side rails of the frame over the top opening, and depend generally vertically from the front rail of the frame over the front opening. The frame structure may be recessed within the storage unit to permit closure thereof without removal of the cooler curtain. The curtain elements are secured by a retaining member to the underside of the frame by fastening means.
REFERENCES:
patent: 2213465 (1940-09-01), Gay
patent: 2800244 (1957-07-01), Witt
patent: 3315402 (1967-04-01), Scott et al.
patent: 4037754 (1977-07-01), Wilhelm et al.
Reddoch Duke A.
Tyner, III John P.
Bear Creek Industries, Inc.
Hall George T.
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