| 摘要 |
A fuel tank for an automobile, which is formed by blow molding, in which a built-in part is mounted, and which has an outer wall composed of a synthetic resin, includes a plurality of mounting members adapted to mount the built-in part provided on the built-in part so as to be fusion-bonded to an inner surface of an outer wall of the fuel tank. An abutment portion is formed on each of the mounting members for abutting the inner surface of the outer wall of the fuel tank, and the abutment portion has an abutment surface and a plurality of abutment pins, each projecting from the abutment surface towards the inner surface of the outer wall of the fuel tank. A stress-absorbing part is provided in the abutment pins, the abutment surface or the outer wall of the fuel tank. |
| 主权项 |
1. A fuel tank for an automobile, which is formed by blow molding, in which a built-in part is mounted, and which has an outer wall formed from a synthetic resin, comprises a plurality of mounting members provided on the built-in part, said mounting members are fusion-bonded to an inner surface of the outer wall of the fuel tank to mount the built-in part to the fuel tank, each of said mounting members has an abutment portion for contacting the inner surface of the outer wall of the fuel tank, said abutment portion has an abutment surface for facing the inner surface of the outer wall of the fuel tank, and a plurality of abutment pins, each projecting from said abutment surface towards the inner surface of the outer wall of the fuel tank, each abutment pin is formed into one of a column-shaped configuration and a frustum-shaped configuration, each having one of a circular cross-section and an elliptical cross-section, and a stress absorbing part is provided in one of said abutment pins, said abutment surface and the outer wall of the fuel tank. |
