Tube joint for fuel tank
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United States of America Patent
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-
Sep 11, 2007
Grant Date -
Aug 25, 2005
app pub date -
Feb 4, 2005
filing date -
Feb 5, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A tube joint for a fuel tank includes a joint body having a tubular shape, and a barrier layer covering the inner surface of the joint body. The joint body is formed of a material which is weldable to a tank body, and the barrier layer is formed of a material which has fuel impermeability and a predetermined hardness. The barrier layer has an extension portion extending from a distal end of the joint body along an axial direction of the joint body. The extension portion includes a projecting portion which protrudes radially and outwardly of the extension portion at or adjacent to a proximal end of the extension portion such that a seal groove is formed between the projecting portion and the joint body, and a nail portion which protrudes radially and outwardly of the extension portion at or adjacent to a distal end of the extension portion.
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