Patent · US Active

Method of forming a reinforced foam-filled composite stringer

US8540921B2 · kind B2 · utility

21Cited by
102References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 2008
Grant dateSep 24, 2013
Priority date
Expiry dateNov 7, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24504
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method and apparatus for manufacturing a composite stringer. A composite material and foam are laid up onto a tool in the form of a stringer. The foam has a plurality of structural members within the foam. The plurality of structural members has a number of orientations to resist a number of loads. The composite material, the foam in the form of the stringer, and the plurality of structural members are cured to form the composite stringer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.