Electric heating – Metal heating – By arc
Reexamination Certificate
2007-01-09
2007-01-09
Paschall, Mark (Department: 3742)
Electric heating
Metal heating
By arc
C219S121480, C219S121510, C219S121390
Reexamination Certificate
active
10711029
ABSTRACT:
A plasma torch assembly having a quick-connect retaining cup is disclosed. The plasma torch has a torch body constructed to receive an electrode therein. A retaining cup secures the electrode to the torch body by rotating the retaining cup less than approximately 360 degrees relative to the torch body.
REFERENCES:
patent: 6881921 (2005-04-01), Horner-Richardson et al.
patent: 2001/0025833 (2001-10-01), Kelkar et al.
patent: 2004/0200809 (2004-10-01), MacKenzie et al.
patent: 2005/0000948 (2005-01-01), Brasseur et al.
patent: 2005/0109736 (2005-05-01), Matus
Illinois Tool Works Inc.
Paschall Mark
Ziolkowski Patent Solutions Group, SC
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