Retort Furnace for Heat Treating Metal Workpieces
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United States of America Patent
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app pub date -
Jan 24, 2011
filing date -
Aug 8, 2008
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Abandoned
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Abstract
An electrically heated retort furnace for the heat treatment of metal workpieces comprises a furnace housing having retort, a heating unit, and a circulation unit, in which, to increase the efficiency of the heat treatment by more uniform heating of the retort, the heating unit has multiple heating elements, which are situated so they are at least individually replaceable in the first volume space using closable first openings incorporated in the furnace housing, a second circulation unit for circulating the air in the first volume space is received by the furnace housing and is situated so it is replaceable as a module using a closable second opening, and the heating elements and circulation unit are received in the first volume space.
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