Patent ID: 9669581
Date: 2017-06-06
CPC Classifications: B29C,B29D,B29L,B64C,B64F

Claim:
1. A method for manufacturing a base structure of an aeronautical torsion box for an aircraft comprising: a. providing a fresh skin, a fresh stringer, a fresh front spar, a fresh rear spar, a rib, and a babette, wherein the babettte is a strip covering complete edges of the rib, wherein the rib is at least one of a cured rib made of dry fiber, a cured rib made of a pre-preg and a rib made of metal; b. positioning in a curing tool the fresh skin, the fresh stringer, the fresh front spar, the fresh rear spar, the rib with the babette, wherein the babette is positioned between the rib and each of the fresh skin, the fresh front and rear spars, and the fresh stringer, and wherein the fresh skin, the fresh stringer, the fresh front and rear spars and the rib with the babette form an assembly corresponding to a base structure, and c. subjecting the assembly, while in the curing tool, to a single curing cycle which cures the fresh skin, the fresh stringer, and the fresh front and rear spars to form a cured base structure which includes the stringer, the front and rear spars, the rib and the babette.