Plasma arc torch tip with swirl holes

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Description

FIG. 1 is a perspective view of the plasma arc torch tip with swirl holes from the top;

FIG. 2 is a perspective view thereof from below, wherein the dashed lines indicate changes in surface contour;

FIG. 3 is a perspective view thereof from above and rotated from FIG. 1;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a side elevation view thereof, rotated 90° from FIG. 4;

FIG. 6 is a top plan view thereof, wherein the dashed lines indicate changes in surface contour; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental appearance of a plasma arc torch tip with swirl holes, as shown and described.

Referenced Cited
U.S. Patent Documents
D414788 October 5, 1999 Shintani et al.
D420374 February 8, 2000 Zigliotto
D451113 November 27, 2001 Shintani et al.
Patent History
Patent number: D492709
Type: Grant
Filed: Dec 26, 2002
Date of Patent: Jul 6, 2004
Assignee: Thermal Dynamics Corporation (West Lebanon, NH)
Inventors: Kevin Horner-Richardson (Cornish, NH), Joseph P. Jones (Lebanon, NH), Roger W. Hewett (Plainfield, NH)
Primary Examiner: Antoine D. Davis
Attorney, Agent or Law Firm: Harness, Dickey & Pierce, P.L.C.
Application Number: 29/173,318
Classifications
Current U.S. Class: Heat Treatment, Welding Or Brazing (D15/144)
International Classification: 1509;