Patent · US Expired

Co-cured stringers and associated mandrel and fabrication method

US7293737B2 · kind B2 · utility

34Cited by
18References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 20, 2004
Grant dateNov 13, 2007
Priority date
Expiry dateJun 28, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/139
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A co-cured composite stringer and associated apparatus and method are provided. The co-cured composite stringer includes a stringer and a mandrel positioned within a channel defined in the stringer. A plurality of strips are positioned within an opening of the mandrel, and a substrate layer, such as aircraft skin, is positioned adjacent to the stringer. During application of the substrate layer to the stringer, the mandrel and plurality of strips support the stringer.

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