Electrode for a plasma arc torch

- Komatsu Ltd.
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Description

FIG. 1 is a front view of an electrode for a plasma arc torch showing our new design, the rear view being symmetrical to the front view;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a left side view thereof.

Referenced Cited
U.S. Patent Documents
D362860 October 3, 1995 Carkhuff
Patent History
Patent number: D417459
Type: Grant
Filed: Sep 9, 1998
Date of Patent: Dec 7, 1999
Assignee: Komatsu Ltd. (Tokyo)
Inventors: Toshiya Shintani (Hiratsuka), Yosuke Imai (Hiratsuka), Iwao Kurokawa (Hiratsuka), Yoshitaka Niigaki (Hiratsuka), Toru Shiina (Komatsu)
Primary Examiner: Antoine Duval Davis
Law Firm: Kanesaka & Takeuchi
Application Number: 0/93,353
Classifications
Current U.S. Class: Heat Treatment, Welding Or Brazing (D15/144)
International Classification: 1509;