Cooling system for forming mold and method of cooling...

Details Cooling system for forming mold and method of cooling... Cooling system for forming mold and method of cooling...

2007-05-30

2011-12-13

Ward, Jessica L (Department: 1735)

Metal founding

Means to shape metallic material

Including means to apply coolant to mold or casting

C266S046000

Reexamination Certificate

active

08074702

ABSTRACT:
In a forming mold equipped with a cooling channel for circulation of a refrigerant composed of a cooling gas and a atomized cooling liquid, any increase of back pressure attributed to evaporation of the refrigerant fed to the cooling channel is inhibited to thereby attain cooling acceleration, and further any occurrence of rust or scale by the refrigerant circulated through the cooling channel is prevented. Accordingly, a channel for supply of the refrigerant to the cooling channel of the forming mold is provided with air pressure source for trapping of air in the supply channel and pressure feeding of the same; oxygen separation means for separation removal of oxygen from the pressure fed air to thereby lower the oxygen concentration of the air; and atomizing means for spraying of the cooling liquid into the air with oxygen concentration lowered. The oxygen separated from the air by the oxygen separation means is returned to the refrigerant forcedly emitted from the cooling channel by means of forced exhaust means.

REFERENCES:
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patent: 07-001458 (1995-01-01), None
patent: 10-109092 (1998-04-01), None
patent: 11-170257 (1999-06-01), None
patent: 2003-103619 (2003-04-01), None
patent: 2005-254595 (2005-09-01), None
patent: 2006150395 (2006-06-01), None

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