Patent ID: 7267376
Filing Date: 2007-09-11
Classification: B60K,F16L

Abstract:
1. A tube joint for a fuel tank comprising: a tank body; a tubular joint body formed of a material which is weldable to the tank body; a barrier layer covering an inner surface of the joint body, the barrier layer being formed of a material which has fuel impermeability and a predetermined hardness, the barrier layer having an extension portion extending from a distal end of the joint body along an axial direction of the joint body, the extension portion including a projecting portion which protrudes radially outward of the extension portion at or adjacent to a proximal end of the extension portion; a seal groove defined by an area formed between a proximal surface of the projecting portion of the barrier layer, an outer peripheral surface of the distal end of the joint body, and a distal surface of a projecting portion of the joint body; and a nail portion which protrudes radially outward of the extension portion at or adjacent to a distal end of the extension portion.