Apparatus and method for die inerting

Details Apparatus and method for die inerting Apparatus and method for die inerting

2005-05-31

2005-05-31

Tolan, Ed (Department: 3725)

Metal deforming

With exposure of work to gas, vapor, mist, or modified...

C072S017300, C072S257000, C072S271000

Reexamination Certificate

active

06898954

ABSTRACT:
An improved apparatus and method for metal extrusion applications and presses wherein high purity inert and/or partially inert gases are introduced at or near the die exit. The environment at or near the exit is also preferably analyzed and/or monitored on a continual or nearly continual basis. The environment is also preferably controlled to which minimize or eliminate oxidation of metals and other extruded materials. The apparatus and method allow faster extrusion rates, improved surface quality of the extruded materials, and increased die life. In an embodiment, bi-phasic inerting media may also be used.

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