| 摘要 |
A conduit system is described for providing fresh air to aircraft positioned on the ground. The conduit system includes self-similar conduit sections having a female or connection end in a male or insertion end. The conduit sections may be back-compatible with existing fresh air conduits. The connection end forms sides or flaps joined by integral flexible bellows or gussets. The connection end thus forms a closed ring. The male end may be secured within the connection end by means of hook-and-loop fastener material and the connection end may be closed over the male end. The connection end is then completely closed by securement of extension tabs to an exterior surface of the connection end, thereby collapsing the integral bellows.
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