Heating – Processes of heating or heater operation – Treating an article – container – batch or body as a unit
Patent
1983-11-07
1984-12-18
Camby, John J.
Heating
Processes of heating or heater operation
Treating an article, container, batch or body as a unit
432 28, F27D 300, F27D 1700
Patent
active
044888708
ABSTRACT:
The present invention relates to a method for the continuous firing of green ceramic articles, such as capacitors. In accordance with the invention a mixture of articles to be fired and heat resistant particulate matter in selected proportions is caused to descend a heated tube defining a furnace. Articles and particulate material such as sand are continuously introduced at the upper end of the furnace and removed at the lower end, after a predetermined dwell time within the furnace to effect firing. Removal is effected by progressively advancing a conveyer which is in partial blocking condition of the lower end of the furnace across the lower end of said furnace whereby the mixture of sand and fired ceramic articles is removed at a selected rate which is a function of the speed of the conveyer, whereby the dwell time in the furnace is closely controlled.
REFERENCES:
patent: 1712132 (1929-05-01), Breyer et al.
patent: 1938306 (1933-12-01), Webb
patent: 3064960 (1962-11-01), Beckenbach
patent: 3585023 (1971-06-01), Vinaty et al.
Rutt Truman C.
Scrantom Dehart G.
Camby John J.
Colvin Arthur B.
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