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2020
|
Invention
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Melting furnace. Provided is a melting furnace that minimizes oxidation of molten material and wi... |
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2015
|
Invention
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Furnace. A furnace as described in this invention comprises a temperature regulating portion to a... |
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2013
|
Invention
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Heating furnace.
A heating furnace includes a furnace body, a workpiece loading unit, a hearth, ... |
|
|
Invention
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Heating furnace. The purpose of the present invention is to reduce temperature variation at each ... |
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2012
|
Invention
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Heat treatment furnace.
The heat transfer efficiency is improved.
The heat transfer efficiency... |
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|
Invention
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Heat treatment furnace. In order to improve heat transfer efficiency, this heat treatment furnace... |
