Temperature controlled oven with internal filter

Heating – With means diluting – purifying or burning exhaust gases

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Details

126 19R, 126 21A, 219402, A21B 100

Patent

active

044603320

ABSTRACT:
A temperature controlled oven for heat treating materials such as solid state electronic devices in which a housing forms an enclosure and has an opening for receiving a first sub assembly which forms a second enclosure with an aperture confronting the opening in the housing, and a second sub assembly is disposed within the first sub assembly and removable through the aperture of the first sub assembly to permit external cleaning, the second sub assembly having an opening confronting the opening of the housing and forming a closed air circulation path which contains a heater, blower, and filter for the purpose of maintaining the atmosphere in the second sub assembly relatively particle free.

REFERENCES:
patent: 3440401 (1969-04-01), Dills
patent: 3780721 (1973-12-01), Durth
patent: 3782360 (1974-01-01), Brucken
patent: 3807383 (1974-04-01), Lawler
patent: 3861378 (1975-01-01), Rhoads et al.

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