IMPROVEMENT TO A PLASTIC PART OF A PROTECTIVE HELMET
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United States of America Patent
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Issued Date -
Dec 9, 2010
app pub date -
Sep 5, 2008
filing date -
Sep 10, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a plastic part of a protective helmet, characterised in that the parts undergo a treatment in order to improve the technical specifications thereof, in particular the mechanical strength of a part of a protective helmet at low and high temperatures, said treatment comprising the application of ionising radiation to the parts.
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