Upholstered seat for clean rooms

Details Upholstered seat for clean rooms Upholstered seat for clean rooms

1983-11-15

1986-01-28

Lyddane, William E.

Chairs and seats

Bottom or back

Framework

297180, 297DIG1, A47C 718

Patent

active

045667357

ABSTRACT:
To assist in maintaining the high degree of cleanliness required by Federal standards in industrial clean rooms, an upholstered seat is provided having a sealed filter unit through which air must flow when entering or exiting the seat structure. The filter unit is held in a sealed grommet installed in a hard base member on which is mounted a cushion. The base member and cushion are enclosed in an air-impermeable cover. The upholstered seat exceeds Federal standards in its ability to avoid contaminating clean rooms.

REFERENCES:
patent: 859828 (1907-07-01), McCloud
patent: 1156939 (1915-10-01), Smith
patent: 2485918 (1949-10-01), Powell
patent: 2713892 (1955-07-01), Knapp
patent: 3082038 (1963-03-01), Sanderson
patent: 3372407 (1968-03-01), Weber, III
patent: 4445241 (1984-05-01), Ender et al.

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