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 300 G. The l...

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Bibliographische Detailangaben
Hauptverfasser:	KIM WAN-OUK, JEONG SANG-OK, LEE YONG-KYONG
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING HATS HEAD COVERINGS HEADWEAR HUMAN NECESSITIES MANUFACTURING OR TRIMMING HATS OR OTHER HEAD COVERINGS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	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 300 G. The lightweight helmet shell according to the invention has excellent breathability, is lightweight, and has improved impact absorbability.