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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Composite structure and related method to obtain it

Invented by: Scott Barber
East Cowes, GB

Originally Assigned to: GKN Aerospace Services Limited
Hampshire, GB
[Now assigned to . . .]

Issued:2012-09-11
Filed:2008-08-29
Application No:12675267
Examined by:Miggins; Michael C

A method of making a composite structure (1) that comprises a curved body (5) and an integral rim (3) extending from an end of the curved body. The method comprises the steps of: forming a diaphragm pack (19) comprising a flat stack (13) of composite plies between two diaphragms (15 A, 15B), wherein each ply (L1, L2, L3) of the flat stack (13) is made up of a plurality of composite tiles (9). Each tile (9) includes at least a first portion (9A) and a second portion (9B) that have side edges of the first portion (9A) configured to abut against side edges of adjacent tiles and side edges of the second portion (9B) configured to overlap side edges of adjacent tiles. Air is evacuated from within the diaphragm pack (19) either before or after placing the diaphragm pack (19) within a double diaphragm forming apparatus comprising a hollow forming tool (23), wherein the first portion (9A) of the composite tiles (9) is supported on an upper surface (23 A) of the tool (23). Heat (25) is applied to the diaphragm pack (19); when the stack reaches the forming temperature a vacuum (Pv) is applied between the lower diaphragm (15B) and the hollow forming tool (23) such the second portion (9B) of the composite tiles (9) are drawn downwards into contact with the internal wall (23B) of the forming tool (23) to move the edges of the second portion (9B) of adjacent tiles to abut against side edges of adjacent tiles (9). The first portion (9A) of each tile (9) forms part of the rim (3) and the second portion (9B) of each tile forms art of the curved body (5).

[pdf] U.S. Pat. No. 8,263,200

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This information is part of a study by Oasis Global, Inc. of all space inventions filed at the United States Patent and Trademark Office, and is provided for informational purposes only. It is not an endorsement of any particular assignee, inventor or invention. Although Peter A. Koziol represents inventors and assignees of space inventions he does not represent all of the inventors and assignees listed. The prosecuting attorney agent or firm for each patent is identified by the United States Patent and Trademark Office in the patent specfication, which can be viewed by clicking on the patent image or downloading the patent document. For more information regarding Mr. Koziol's background and experience, or to learn more about space inventions, please contact Mr. Koziol.

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