Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge – Structurally combined with building or vehicle
Reexamination Certificate
2011-05-03
2011-05-03
Leja, Ronald W (Department: 2836)
Electricity: electrical systems and devices
Discharging or preventing accumulation of electric charge
Structurally combined with building or vehicle
Reexamination Certificate
active
07936550
ABSTRACT:
A fastening assembly for a composite structure including a washer sealing the assembly for internal lightning strike protection. The washer includes one or more concentric ribs that are dielectric rings on both sides. When used (e.g., with a nut and bolt) internal to a structure, especially a composite structure, the washer seals the fastener hole (i.e., that the bolt passes through) and contains any sparking and hot gasses that may arise in the fastener hole from entering the structure.
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Coronado Peter A.
Kovach Daniel J.
Morrill Justin H.
Law Office of Charles W. Peterson, Jr.
Leja Ronald W
The Boeing Company
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