Supports: cabinet structure – Barrier opening with flexible seal for operator
Patent
1991-03-12
1993-04-27
Dorner, Kenneth J.
Supports: cabinet structure
Barrier opening with flexible seal for operator
160 841, 160102, A61G 1100
Patent
active
052056244
ABSTRACT:
An enclosure similar to a glovebox for isolating materials from the atmosphere, yet allowing a technician to manipulate the materials and also apparatus which is located inside the enclosure. A portion of a wall of the enclosure is comprised of at least one flexible curtain. An opening defined by a frame is provided for the technician to insert his hands and forearms into the enclosure. The frame is movable in one plane, so that the technician has access to substantially all of the working interior of the enclosure. As the frame is moved by the technician, while he accomplishes work inside the enclosure, the curtain moves such that the only opening through the enclosure wall is the frame. In a preferred embodiment, where a negative pressure is maintained inside the enclosure, the frame is comprised of airfoils so that turbulence is reduced, thereby enhancing material retention within the box.
REFERENCES:
patent: 3498687 (1970-03-01), Diccianni
Carlson David O.
Comer Bob E.
Dahlby Joel W.
Gallimore Bradford F.
Martell Calvin J.
Anderson Gerald A.
Cordovano Richard J.
Dorner Kenneth J.
Gaetjens Paul D.
Moser William R.
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