Patent · US Expired

Stiffened structural laminate and method of molding laminate with stiffener beads

US4053667A · kind A · utility

35Cited by
20References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 9, 1974
Grant dateOct 11, 1977
Priority date
Expiry dateSep 9, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/236
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A novel stiffened structural laminate formed by contacting at least one layer of a curable resin-impregnated fabric with at least one strip of cellular honeycomb core, disposing another piece of said curable resin-impregnated fabric over said strip of core, and curing said resin under laminating conditions to bond said honeycomb core to said fabric and produce a unitary laminate which includes said strip as a stiffening bead.

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