Patent ID: 7445744
Filing Date: 2008-11-04
Classification: B29C,B29L,B64C,Y02T,Y10S

Abstract:
1. A process for forming a single-piece co-cured composite wing structure having a flying surface and at least one structural member, the process comprising: situating a first flying surface composite material in alignment with a controlling surface of a first clamshell frame; aligning a plurality of forms to the first clamshell frame, wherein a composite material is positioned between selective forms, wherein the composite material positioned between selective forms creates a spar wherein the spar is comprised of two substantially C-shaped composite sections positioned in opposing orientations to form an I-beam, wherein selective forms each include a shrinkable core, and wherein selective forms are pressurizable; situating a second flying surface composite material between the plurality of forms and a controlling surface of a second clamshell frame; closing the first and second clamshell frames together; and curing the composite material.