Method and apparatus for cryogenic cooling
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United States of America Patent
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Apr 2, 2002
Grant Date -
N/A
app pub date -
Jun 14, 2000
filing date -
Mar 15, 2000
priority date (Note) -
Expired
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Abstract
A method and apparatus for using vaporized liquid cryogen to cool articles, particularly extrusions, utilizing dispersion of liquid cryogen into a chamber wherein it is substantially vaporized and then circulated through cooling circuits in a tool for cooling the tool, or an article such as an extrusion which is to be cooled by the tool. Additionally, the tool may itself be disposed in a cooling chamber in which vaporized cryogen is circulated to cool the tool and the article.
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