Patent ID: 8608012
Filing Date: 2013-12-17
Classification: B29C,B29L,B60K

Abstract:
1. An automotive fuel tank formed through blow molding mad having a built-in part mounted in an interior thereof and an outer wall formed from a synthetic resin, wherein a plurality of mounting members are provided on the built-in part which are fusion bonded to the outer wall of the fuel tank so as to mount the built-in part in the interior of the fuel tank, the mounting members each having provided thereon an abutment portion which is brought into abutment with an inner surface of the outer wall of the fuel tank, the abutment portion having formed thereon an abutment surface which extends parallel to and tightly sticks to the inner surface of the outer wall of the fuel tank, a projecting portion which projects substantially perpendicular above the abutment surface in a stepwise fashion and an elongated projection projecting from a surface of the projection portion, whose cross section at a distal end portion is of triangular shape and which penetrates into an interior of the outer wall of the fuel tank, a height of an apex of the elongated projection from the abutment surface being in the range of 30% to 70% of a thickness of the outer wall of the fuel tank.