Chemiluminescent device
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United States of America Patent
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Aug 17, 2004
Grant Date -
Jul 24, 2003
app pub date -
Dec 11, 2002
filing date -
Jan 23, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The chemiluminescent device has a luminous body capable of generating light through a chemiluminescent reaction, and an outer layer for covering the luminous body. The outer layer is made of closed-cell plastic foam having a forming ratio in the range of 3 to 50%, preferably in the range of 20 to 30%. Closed-cell foamed polyethylene having no adverse environmental effect may be advantageously used as the closed-cell plastic foam. The chemiluminescent device having the outer layer made of closed-cell plastic foam provides increased luminous area, unsusceptibility to ambient temperature, and enhanced softness and shock-absorbability to achieve satisfactory luminescent effect, safety and reliability. The outer layer may have an outer surface formed with an irregularity to provide further enhanced luminescent effect.
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