Controlled environment enclosure

Details Controlled environment enclosure Controlled environment enclosure

1987-08-18

1988-09-13

Bell, J. Karl

Static structures (e.g., buildings)

Intersection of wall to floor, ceiling, roof, or another wall

Flexible barrier covering: shaped or edge-attached

52 63, 135101, E04H 1534, E04B 100

Patent

active

047699620

ABSTRACT:
A controlled environment enclosure provides a dust-free atmosphere for manufacturing operations. The enclosure includes a frame formed of interconnected, horizontally and vertically extending, spaced frame members. An outer cover member is deployed over the sides and top of the interconnected frame members. The outer cover member is formed of a heat shrinkable material which provides a taut, secure attachment of the cover member to the frame members. The bottom ends of the cover member are sealingly attached to a lower support surface or floor by means of an interconnectable clamp and strip having a mating projection and notch which traps the bottom end of the cover member therebetween.

REFERENCES:
patent: 2757677 (1956-08-01), Denn
patent: 3788335 (1974-01-01), Hemmelsbach
patent: 4091584 (1978-05-01), Brown
patent: 4121604 (1978-10-01), Rain
patent: 4231289 (1980-11-01), Domicent
patent: 4274234 (1981-06-01), Abell
patent: 4347690 (1982-09-01), Wallace
patent: 4381629 (1983-05-01), Ahn
patent: 4404980 (1983-09-01), Wade

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