Welding mask to prevent orange flare and method of welding

Details Welding mask to prevent orange flare and method of welding Welding mask to prevent orange flare and method of welding

1991-05-23

1992-12-15

Nerbun, Peter

Apparel

Guard or protector

For wearer's head

359361, 359885, 359355, A61F 906

Patent

active

051705010

ABSTRACT:
An improved welding mask glass to prevent orange flare is provided by utilizing as the glass in the lens a narrow bandpass green glass sold under Model S-8008N from Schott Glass Technologies, Inc., of Duryea, Pennsylvania. The transmission characteristic of the glass is a sharp cutoff from a peak of 544 nanometers toward the infrared which rejects objectionable "orange flares."

REFERENCES:
patent: 4330177 (1982-05-01), Miller
patent: 4707860 (1987-11-01), Holstrom
patent: 4730902 (1988-03-01), Suzuki et al.
patent: 4755012 (1988-07-01), Kojima
Brochure published by Schott Glass Technologies Inc. of Duryea, Pennsylvania, entitled "Glass for CRT and Other Display Applications." (May 1988).
Brochure entitled "GVK-545 Monochromatic CRT Display Filter" printed by Hoya Optics, Inc. of Fremont, CA.

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