Structural component
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United States of America Patent
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May 23, 1995
Grant Date -
N/A
app pub date -
Jan 12, 1993
filing date -
Apr 12, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A structural component exposed to lightning strikes comprises a bonded assembly of a first component part (18) which has a cellular structure and a front face (20) and a second component part (22) extending across the front face (20) of the first component part (18), the second component part (22) comprising an electrically conducting first sheet (23), an electrically non-conductive second sheet (25) at the rear of the first sheet (23) and a fibre reinforced composite third sheet (26) at the rear of the second sheet (25) and positioned between the second sheet (25) and the front face (20) of the first component part (18). In one form, the electrically conducting first sheet (23) is a non-ferrous metal or metal alloy expanded foil, the electrically non-conducting second sheet (25) is a glass fibre fabric, the third sheet (26) is a carbon or graphite fibre reinforced composite sheet and the first component part (18) is an aluminium alloy honeycomb core.
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