Plasma torch head with nozzle providing an improved cut and plas

Details Plasma torch head with nozzle providing an improved cut and plas Plasma torch head with nozzle providing an improved cut and plas

1996-06-19

1998-04-07

Paschall, Mark H.

Electric heating

Metal heating

By arc

2191215, 21912152, 219 75, B23K 1000

Patent

active

057367086

ABSTRACT:
The plasma torch head comprises an axial electrode (10) with a flat end surface (16) associated with a cup-shaped peripheral nozzle (12). The bottom (20) of the nozzle (12) comprises an axial conduit (22) for ejection of the plasma jet, and its lateral wall (24) surrounds the electrode (10) and delimits with this latter a substantially annular supply space (26). The torch head comprises structure (38) for the flow of a plasmagenic gas in the annular supply space (26) in a substantially axial direction. The end surface (16) of the electrode (10) delimits with the bottom (20) of the nozzle (12) an annular space (29) for lamination of the flow of the plasmagenic gas. For use in plasma cutting torches.

REFERENCES:
patent: 3930139 (1975-12-01), Bykhovsky et al.
patent: 4058697 (1977-11-01), Bykhovsky et al.
patent: 4650956 (1987-03-01), Marhic et al.
patent: 4769524 (1988-09-01), Hardwick
patent: 4954683 (1990-09-01), Hatch
patent: 5083005 (1992-01-01), Degrigny
patent: 5440094 (1995-08-01), Zapletal

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