Continuous heat-treating furnace

Details Continuous heat-treating furnace Continuous heat-treating furnace

1982-05-04

1984-05-22

Camby, John J.

Heating

With work cooling structure

Entering and leaving work exchange heat

16510434, F27D 1502, F28D 1300

Patent

active

044499230

ABSTRACT:
A continuous heat-treating furnace comprises, a housing structure having an entrance and an exit defined at its opposite ends, respectively, and also having defined therein a preheating zone adjacent the entrance, a cooling zone adjacent the exit and a high temperature zone intermediate between the preheating and cooling zones, a recirculating duct fluid-connecting a portion of the housing structure in register with the preheating zone to another portion of the housing structure in register with the cooling zone, and a blower for forcibly drawing gas inside the preheating zone and directing it into the cooling zone through the recirculating duct.

REFERENCES:
patent: 1705477 (1929-03-01), Hanley, Jr.
patent: 1792423 (1931-02-01), Hain
patent: 3336018 (1967-08-01), Cuvelier
patent: 3925005 (1975-12-01), Everhardt et al.

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