Thin wall bushing for robust electrical bonding to fiber-reinforced structures
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United States of America Patent
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Aug 18, 2015
Grant Date -
Apr 11, 2013
app pub date -
Oct 6, 2011
filing date -
Oct 6, 2011
priority date (Note) -
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Abstract
A method for directing electrical current to prevent sparking from the interaction between a composite structure and lightning or static electrical charge, the method including the steps of forming a hole in a composite structure; and positioning a bushing into the hole to create an interference fit between the bushing and the composite structure, wherein the bushing is formed of a material that has a coefficient of thermal expansion close to the coefficient of thermal expansion of the composite structure and the bushing provides an electrical path between a fastener disposed in the bushing and the composite structure.
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International Classification(s)
- B23P:OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- F16B:DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL E....
- B64D:EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SU....
- H02G:INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF CO....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
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