Oven

Details Oven Oven

1983-02-28

1985-01-08

Camby, John J.

Heating

With means diluting, purifying or burning exhaust gases

55481, 55493, 126 21A, B01D 4500, B01D 3900, A21B 100

Patent

active

044925697

ABSTRACT:
An airtight oven comprises at least two doors and a filter arrangement, through which the air within the oven is circulated in a closed circuit by means of a circulator. This closed circuit optionally includes means for adjusting the temperature of the air. The filter arrangement comprises a frame loosely secured to a resilient, airtight, trumpet-like suspension arrangement which in turn is secured to the rim of a channel permitting passage of the circulating air, whereby the major portion of this rim is formed by the oven shell. In this manner it is possible for the frame of the filter during operation to operate and expand in proportion to the oven shell without the channel thereby leaking.

REFERENCES:
patent: 2715359 (1955-08-01), Mackintosh et al.
patent: 2996189 (1961-08-01), Salterbach
patent: 3780721 (1973-12-01), Durth
patent: 3788046 (1974-01-01), Kaeppler et al.

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