Method of attaching sheet filter to inlet opening of ventilation

Details Method of attaching sheet filter to inlet opening of ventilation Method of attaching sheet filter to inlet opening of ventilation

1990-10-25

1992-04-28

Joyce, Harold

Metal working

Method of mechanical manufacture

Assembling or joining

24303, 55467, 55511, 55DIG6, 55DIG36, 2482065, B01D 4602

Patent

active

051075806

ABSTRACT:
A method of attaching a sheet filter to an inlet opening by covering the inlet opening with a wide sheet filter and fixing the periphery of said sheet filter to the periphery of said inlet opening by use of magnet holders or other fixing means so as to enable a replacement of only the filter which has become dirty by the use.

REFERENCES:
patent: 2595833 (1952-05-01), Flaherty
patent: 3109619 (1963-11-01), Krug et al.
patent: 3713614 (1973-01-01), Taylor
patent: 3912473 (1975-10-01), Wilkins
patent: 4689058 (1987-08-01), Vogt et al.

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