Heat treatment furnace
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United States of America Patent
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-
Aug 15, 2006
Grant Date -
Jul 21, 2005
app pub date -
Mar 27, 2002
filing date -
Feb 12, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A heating zone (4), a cooling zone (5), and a quenching zone (6) are provided inside a linear furnace body in this order, the heating zone (4), the cooling zone (5), and the quenching zone (6) being separated by partition doors (2, 3). Conveying means of a work (W) is a tray pusher (7) in the heating zone (4) and conveying means of the work (W) is roller hearths (8, 9) in the cooling zone (5) and the quenching zone (6), the roller hearths (8, 9) being independently driven.
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