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:
Dec. 31, 1991
Filed:
Aug. 01, 1990
Applicant:
Inventors:
Yoshikazu Shirasaki, Otsu, JP;
Ichiro Yoshida, Osaka, JP;
Assignees:
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Shoei Kakou Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A42B / ;
U.S. Cl.
CPC ...
2412 ;
Abstract
An improved helmet comprising a fiber reinforced thermosetting resin as a main component is disclosed. In the helmet, at least a part thereof to be subjected to shock adsorption property test defined by JIS T 8133 (1982) is reinforced with a cloth of polyethylene fiber having high tenacity and high modulus such as that having tensile strength of not less than 20 g/denier and tensile modulus of not less than 500 g/denier.