Patent ID: 7490863

Claim:
A joint for a resin fuel tank, comprising: a joint main body; and a flanged junction that is integrally connected to the joint main body and is weldable to a periphery of an opening of the fuel tank, wherein the joint main body includes a semi-aromatic polyamide obtained by polymerization of source monomers containing an aromatic monomer component and an aliphatic monomer component, wherein an amount of a terminal amino group of the semi-aromatic polyamide is greater than or equal to 40 μeq/g, and wherein the flanged junction comprises a modified polyolefin having: a density in a range of 0.930 g/cm 3 to 0.950 g/cm 3 ; and a melt flow rate in a range of 0.06 g/10 minutes to 3.0 g/10 minutes.