Plasma cutting process and machine

Details Plasma cutting process and machine Plasma cutting process and machine

2006-06-27

2006-06-27

Paschall, Mark (Department: 3742)

Electric heating

Metal heating

By arc

C219S121390, C219S121480, C219S121590

Reexamination Certificate

active

07067762

ABSTRACT:
A plasma cutting machine is provided in which a dross adhesion inhibitor is jetted from a plasma torch toward the cutting start position (piercing position) of the object material. A dross adhesion inhibitor supply flow path for feeding the dross adhesion inhibitor is connected to an assist gas feeding line in which an assist gas for assisting cutting of the object material with the plasma arc flows.

REFERENCES:
patent: 6335507 (2002-01-01), Nakata et al.
patent: 6-262367 (1994-09-01), None
patent: 7-26054 (1995-06-01), None
patent: 2000-246446 (2000-09-01), None
patent: WO 90/15688 (1990-12-01), None

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