The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 31, 2012
Filed:
Oct. 15, 2009
Applicants:
Sang-ok Jeong, Busan, KR;
Wan-ouk Kim, Seoul, KR;
Young-kyong Lee, Gyeongsangnam-do, KR;
Inventors:
Assignees:
Nanotech Ceramics Co., Ltd, Busan, KR;
Soyo Enterprise Inc., Gyeongsangnam-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A42B 3/10 (2006.01); A42B 3/06 (2006.01); A63B 71/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lightweight helmet shell includes 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 has excellent breathability, is lightweight, and has improved impact absorbability.