Welding arc apparel with UV or thermochromic activated images
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United States of America Patent
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Sep 1, 2015
Grant Date -
Jan 31, 2013
app pub date -
Oct 5, 2012
filing date -
Nov 13, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A welding accessory and a system for detecting thermal and/or UV radiation exposure during welding operations are disclosed. The welding accessory may have a surface exposed to thermal and/or UV radiation generated by electric arc welding, a first image visible without exposure to the thermal and/or UV radiation, and a second image formed from either a UV activated dye that is visible only after exposure to UV radiation generated by the electric welding arc or a thermochromic dye that is visible only after exposure to a predetermined level of thermal radiation generated by the welding arc. A system may include either a thermal or UV exposure indicator with a first state and at least a second state, and include either a thermochromic or UV activated dye adapted to provide a reversible or persistent visual indication upon exposure to radiation. The visual indication may include any combination of symbols, logos, images, text, or other decorative or informational designs as desired.
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International Classification(s)
- G01K:MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT;....
- G01J:MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTE....
- A61F:FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES....
- F16P:SAFETY DEVICES IN GENERAL
- B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
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