WELDING MASK Russian patent published in 1996 - IPC

Abstract RU 2069553 C1

FIELD: accident prevention during operation of units emitting radiation dangerous for vision, such as electric, arc, laser and thermal welders. SUBSTANCE: welding mask has face shield with viewing slit and spring-loaded light filter with continuously adjustable darkening extent. Light filter is connected with mechanism for moving it relative to shield. Moving mechanism has electromagnet with winding switched to welding transformer electric circuit. EFFECT: wider operational capabilities, increased efficiency in protecting operator's eyes and enhanced reliability in operation. 1 dwg

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RU 2 069 553 C1

Authors

Shkrabak V.S.

Logacheva E.A.

Jurkov M.M.

Dates

1996-11-27—Published

1992-02-25—Filed