1985-12-30
1987-06-30
Joyce, Harold
98 315, 981153, F24F 710
Patent
active
046761446
ABSTRACT:
A clean room system includes a processing room containing production equipment, a technical room adjacent the processing room and containing machinery for actuating the production equipment, and a wall separating the production equipment from the actuating machinery. The wall also serves to isolate the atmosphere of the processing room from the atmosphere of the technical room and to prevent contaminants emitted by the machinery from entering the processing room and, ultimately, contaminating the goods being manufactured or processed. The clean room system also is provided with a ventilation system for recirculating and filtering the atmosphere of the processing room. The ventilation system maintains the atmosphere of the processing room at a higher pressure than that of the atmosphere of the technical room to prevent air from passing from the technical room into the processing room. The system permits personnel to have access to the machinery actuating the production equipment without having to enter the processing room itself.
REFERENCES:
patent: 2484685 (1949-10-01), Burdick et al.
patent: 2633842 (1953-04-01), Higgs
patent: 2710574 (1955-06-01), Runion
patent: 3509810 (1970-05-01), Riester
patent: 3601031 (1971-08-01), Abel et al.
patent: 4267769 (1981-05-01), Davis et al.
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Kewaunee Laboratory Fume Hoods, Kewaunee Manufacturing Company, Adrian, Mich., Section 2, 1965, p. 40.
Joyce Harold
SmithKline Beckman Corporation
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