Structural element of high unidirectional rigidity

US6355337B1 · kind B1 · utility

Assignee

• DEUTSCHES ZENTRUM FÜR LUFT—UND RAUMFAHRT E.V. · DE

Inventors

• Matthias Piening · Braunschweig, DE
• Arno Pabsch · Braunschweig, DE
• Christof Sigle · Braunschweig, DE

Key dates

• Filing date: Oct 5, 1999
• Grant date: Mar 12, 2002
• Expiry date: Oct 5, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/249929
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

In a structural element of high unidirectional rigidity, in which unidirectional fiber strands are completely embedded in sheaths and said sheaths are connected to a shell skin and wherein part of the shell skin is in the form of stringers, there is provided an inner division of the cross-section of the shell skin thereby providing the strength of the fibers and the stiffness of the fibers in a direction perpendicular to the skin plane for every direction of loading.