Supports: cabinet structure – Barrier opening with flexible seal for operator
Reexamination Certificate
2005-12-13
2005-12-13
Larkin, Daniel S. (Department: 2856)
Supports: cabinet structure
Barrier opening with flexible seal for operator
C312S352000, C073S431000, C073S040000, C422S105000
Reexamination Certificate
active
06974197
ABSTRACT:
A portable containment system includes a glovebox apparatus, a self-contained filter unit, and removable conduits extending therebetween. The glovebox apparatus includes a first module for releasably covering a first sidewall opening. The first module, which has body and flange portions, has a storage position where the body portion is positioned through the first sidewall opening into the glovebox interior and an operative position where the body portion is positioned exterior of the glovebox. The glovebox apparatus includes second modules for releasably covering a second sidewall opening where the second modules are smaller than the first sidewall opening for inserting the second modules into the interior of the glovebox for storage. The filter unit includes a plurality of gas filters, an air pump, and detectors for monitoring the air flow through the system.
REFERENCES:
patent: 3907389 (1975-09-01), Cox et al.
patent: 4111753 (1978-09-01), Folsom et al.
Henry Charles E.
Heyl Monica J.
Reutter Dennis J.
Biffoni Ulysses John
Larkin Daniel S.
Randolph William W.
The United States of America as represented by the Secretary of
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