Fuel Tank Assembly and Fuel Tank

摘要

A resin fuel tank has an annular welded portion around an opening formed in the fuel tank. A resin weld joint has an annular weld portion. The weld joint is mounted to the fuel tank by bonding the weld portion of the weld joint to the annular welded portion of the fuel tank through application of heat-welding under pressure. The fuel tank is provided with reinforcing ribs arranged radially around the annular welded portion.