Shielding gases for arc welding

Electric heating – Metal heating – Nonatmospheric environment at hot spot

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Details

B23K 916

Patent

active

053130391

ABSTRACT:
A shielding gas for flux cored arc welding. The specific gas combination is intended to promote significantly lower fume emission levels while providing equivalent or better welding performance.

REFERENCES:
patent: 3496323 (1970-02-01), Lesnewich et al.
patent: 4749841 (1988-06-01), Galantino et al.
patent: 4857692 (1989-08-01), Larson et al.
patent: 4871898 (1989-10-01), Cherne et al.
patent: 4973822 (1990-11-01), Evans et al.
patent: 4999474 (1991-03-01), Schultz et al.
patent: 5083002 (1992-01-01), Hoback et al.

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