METHOD FOR MAKING AN ARM FOR A HINGED STRUCTURE SUCH AS A ROCKER ARM FOR AN AIRCRAFT LANDING-GEAR STRUCTURE
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United States of America Patent
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Issued Date -
Mar 14, 2013
app pub date -
Jan 19, 2011
filing date -
Jan 22, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method for making an arm for a hinged structure such as an aircraft landing gear structure, this arm comprising a main body (30; 130; 230) extending in a longitudinal direction (AP; BP; CP), and including an interface (13; 113; 213) such as a yoke radially protruding from the main body, this method including the steps of:
- making an insert (11; 211) including a base (12; 212) carrying the interface;making a mandrel (10; 110) integrating the base of the insert so that a portion of the external surface of this mandrel is delimited by a portion of the external face (17; 217) of the base of the insert;applying one or more layers of reinforcing fibers (31; 131; 231) around the mandrel and over all its length, so that each layer has the interface (13; 113; 213) passing through it without covering the interface;injecting resin into the layer or layers of reinforcing fibers (31; 131; 231) and at the level of the area of contact (32) of these layers (31) with the external face (17; 217) of the base; andpolymerizing the resin to bind rigidly the layers of reinforcing fibers and the base of the insert.
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