Clean bench for cleaning atmosphere of partitioned space

Details Clean bench for cleaning atmosphere of partitioned space Clean bench for cleaning atmosphere of partitioned space

2006-05-23

2006-05-23

Joyce, Harold (Department: 3749)

Ventilation

Workstation ventilator

Covered workbench chamber

C454S056000, C454S060000

Reexamination Certificate

active

07048625

ABSTRACT:
A substantially cubic work space extends from an upper opening to the interior of a housing. A substantially cubic lower space extends from a lower opening to the interior of the housing. A front cover covering the upper opening is provided on the front of the work space. The front cover is, for example, a transparent resin sheet bent and protruding from the upper opening to the interior of the work space, and is held, by a horizontal rod, in the form of the letter L in cross-section. A clean bench having a simple structure, easily installed, and being capable of achieving a high level of cleanliness even if installed in a relatively unclean environment can thus be provided.

REFERENCES:
patent: 3944405 (1976-03-01), VAN Calsteren et al.
patent: 4098174 (1978-07-01), Landy
patent: 4100847 (1978-07-01), Norton
patent: 4249463 (1981-02-01), Hornby
patent: 4557184 (1985-12-01), Orii et al.
patent: 4637301 (1987-01-01), Shields
patent: 43 05 208 (1994-08-01), None
patent: 2001-141273 (2001-05-01), None

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