Patent ID: 9746117
Date: 2017-08-29
CPC Classifications: B64D,F16L,Y02T,Y10T

Claim:
1. A method of installing fuel lines in an aircraft comprising the operations of: affixing an isolation tube at a first end to a first fuel tube directly or via an extension tube in a manner that prevents relative movement between the isolation tube and the first fuel tube; affixing a ferrule to a second end of the isolation tube in a manner that prevents relative movement between the isolation tube and the ferrule, wherein the second end of the isolation tube comprises a second end inner band and a second end outer band defining a second end groove, and wherein affixing the ferrule to the second end of the isolation tube comprises inserting a portion of the ferrule into the second end groove; installing the first fuel tube in a structure of the aircraft; and affixing the ferrule to a fuel system component, wherein any of the first three operations can be performed in any order.