Tips and contact members having ridges for use in a contact...

Details Tips and contact members having ridges for use in a contact... Tips and contact members having ridges for use in a contact...

2005-08-23

2005-08-23

Paschall, Mark (Department: 3742)

Electric heating

Metal heating

By arc

C219S121520, C219S121570, C219S075000

Reexamination Certificate

active

06933461

ABSTRACT:
A tip for a plasma arc torch includes a ridge for improved electrical contact with a starting member.

REFERENCES:
patent: 4916273 (1990-04-01), Browning
patent: 5164568 (1992-11-01), Sanders
patent: 5464961 (1995-11-01), Lichon
patent: 5994663 (1999-11-01), Lu
patent: 6372298 (2002-04-01), Marantz et al.

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