Process of manufacturing composite panels with U-shaped...

Details Process of manufacturing composite panels with U-shaped... Process of manufacturing composite panels with U-shaped...

2011-06-14

2011-06-14

Tolin, Michael A (Department: 1745)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S285000, C156S289000

Reexamination Certificate

active

07959753

ABSTRACT:
The present invention relates to a process for manufacturing panels (9) for aeronautical structures with U-shaped stiffening members (13) and I-shaped stiffening members (17) between their webs comprising the following steps: providing laminates for shaping the skin (11) on the curing tool (31); providing planar laminates (23) for shaping the stiffening members (13, 17); shaping the U-shaped stiffening members (13) on individual shaping tools (33) and placing the I-shaped stiffening elements (17) in said tools; grouping said individual shaping tools (33) together on an assembly tool (41); placing the group of stiffening members (13, 17) on the skin (11); placing a vacuum bag (55) on the assembly with the aid of profiles (59); consolidating said assembly by means of a curing process under suitable pressure and temperature conditions using external tools (60) to assure verticality of the webs of the stiffening members (13, 17).

REFERENCES:
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patent: 6565690 (2003-05-01), Cerezo Pancorbo et al.
patent: 2002/0027187 (2002-03-01), Sato et al.
patent: 2005/0166501 (2005-08-01), Navas et al.

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