Lightweight helmet shell and method for manufacturing the same

There is provided a lightweight helmet shell including an inner shell formed from a porous expanded plastic layer, and an outer shell, in which the outer shell is formed from a compressed fiber sheet having an apparent density of 0.15 to 0.7 g/cc and an impact absorbability of less than 300G. The li...

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Bibliographic Details
Main Authors JEONG, SANG-OK, KIM, WAN-OUK, LEE, YOUNG-KYONG
Format Patent
LanguageEnglish
French
German
Published 21.04.2010
Subjects
HATS
HEAD COVERINGS
HEADWEAR
HUMAN NECESSITIES
MANUFACTURING OR TRIMMING HATS OR OTHER HEAD COVERINGS
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Abstract There is provided a lightweight helmet shell including an inner shell formed from a porous expanded plastic layer, and an outer shell, in which the outer shell is formed from a compressed fiber sheet having an apparent density of 0.15 to 0.7 g/cc and an impact absorbability of less than 300G. The lightweight helmet shell according to the invention has excellent breathability, is lightweight, and has improved impact absorbability.
AbstractList There is provided a lightweight helmet shell including an inner shell formed from a porous expanded plastic layer, and an outer shell, in which the outer shell is formed from a compressed fiber sheet having an apparent density of 0.15 to 0.7 g/cc and an impact absorbability of less than 300G. The lightweight helmet shell according to the invention has excellent breathability, is lightweight, and has improved impact absorbability.
Author JEONG, SANG-OK
KIM, WAN-OUK
LEE, YOUNG-KYONG
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DocumentTitleAlternate Casque de protection léger et son procédé de fabrication
Leichtgewichtige Helmschale und Verfahren zu ihrer Herstellung
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RelatedCompanies NANOTECHCERAMICS CO., LTD
SOYO ENTERPRISE INC
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Snippet There is provided a lightweight helmet shell including an inner shell formed from a porous expanded plastic layer, and an outer shell, in which the outer shell...
SourceID epo
SourceType Open Access Repository
SubjectTerms HATS
HEAD COVERINGS
HEADWEAR
HUMAN NECESSITIES
MANUFACTURING OR TRIMMING HATS OR OTHER HEAD COVERINGS
Title Lightweight helmet shell and method for manufacturing the same
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