A method and apparatus for forming a seal (900) over a hole in a structure. The apparatus comprises a washer (304), a sleeve (302), and a fastener (300). The washer (304) has a first channel (318). The sleeve (302) has a second channel (314) and an expandable section. The sleeve (302) is positioned inside the first channel (318) in the washer (304). The fastener (300) has an elongate portion (308) positioned inside the second channel (314) of the sleeve (302) to cause at least a portion of the expandable section of the sleeve (302) to form a first interference fit with the washer (304).
METHOD AND APPARATUS FOR FUEL TANK SPARK CONTAINMENT
VERFAHREN UND VORRICHTUNG FÜR KRAFTSTOFFTANKFUNKENEINDÄMMUNG
PROCÉDÉ ET APPAREIL DE CONFINEMENT D'ALLUMAGE POUR RÉSERVOIR DE CARBURANT
2015-12-30
Patent
Elektronische Ressource
Englisch
IPC: | B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile |