Adjustable local extraction device

Details Adjustable local extraction device Adjustable local extraction device

1993-04-23

1995-06-27

Joyce, Harold

Ventilation

Workstation ventilator

Movable

454 63, B08B 1504

Patent

active

054275695

ABSTRACT:
Adjustable local extraction device comprising a suction tunnel, an exhaustion device connected to one end of the suction tunnel, and a nozzle connected to a second end of the suction tunnel. A filter is provided within the suction tunnel.

REFERENCES:
patent: 1898410 (1933-02-01), Wales
patent: 2889007 (1959-06-01), Lunde
patent: 3204392 (1965-09-01), Schwab
patent: 3287886 (1966-11-01), Tiberi
patent: 3676986 (1992-07-01), Reiling
patent: 3826066 (1974-07-01), Higgins
patent: 4038913 (1977-08-01), Earley
patent: 4512245 (1985-04-01), Goldman
patent: 4756728 (1988-07-01), Conrad
patent: 4860644 (1989-08-01), Kohl et al.

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