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:
May. 27, 1997
Filed:
May. 30, 1995
Applicant:
Inventors:
Axel S Herrmann, Lehrte, DE;
Volker Krajenski, Braunschweig, DE;
Arno ER.K. Pabsch, Braunschweig, DE;
Assignee:
Deutsche Forschungsanstalt fur Luft-und Ramfarht e.V., Cologne, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C / ;
U.S. Cl.
CPC ...
416226 ; 416230 ;
Abstract
A rotor blade is made of fiber-reinforced synthetic resin and comprises a moulded core with central, front and rear elements and a foot end fastening element, a unidirectional fiber layer being wound longitudinally of the core, a first cross-binding lying over the fiber layer and a second cross-binding forming a covering for the entire assembly.