Method of manufacturing a structure comprising a skin and stiffeners
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United States of America Patent
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Aug 25, 2015
Grant Date -
May 2, 2013
app pub date -
Sep 6, 2012
filing date -
Sep 7, 2011
priority date (Note) -
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Abstract
A method of manufacturing a structure, in particular an aircraft fuselage of composite materials comprising a skin (2) and V-section members fastened to the skin (2) referred to as stiffeners (4). The method comprises a step of positioning punches on a mandrel in order to form channels between the punches. The channels are disposed in at least two networks (6a, 6b, 6c), each channel of the same network (6a, 6b, 6c) meeting at least one channel of another network at a node (8). The method also comprises a step of positioning preforms for stiffeners in the channels such that at least two stiffeners (4) meet at said node (8) and a step of injecting resin so as to assemble the stiffeners (4). A structure made as a single piece is thereby obtained.
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International Classification(s)
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- B64F:GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B64C:AEROPLANES; HELICOPTERS
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
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