Curtain for shrouding welding operations

Details Curtain for shrouding welding operations Curtain for shrouding welding operations

G - Physics

02

B

88/42.4

G02B 5/22 (2006.01)

Patent

CA 1163844

ABSTRACT OF THE DISCLOSURE A curtain for surrounding welding and cutting operations, especially electric arc welding and electric arc cutting operations to protect the eyes of otherwise unprotected observers. The curtain has one surface covered with declivities with faces disposed at angles to the plane of the sheet. Some light rays passing through the curtain are refracted and undergo a change of direction. This reduces the exposure of the retina to undesirable intensities by optically enlarging the small arc spot, and presenting the eye with general area illumination instead of pinpoint illumination.

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