| 摘要 |
PURPOSE: A fuel sealing device is provided to complete the opening and closing of a fuel cap without turning the fuel cap at several times by reducing the turning times of a screw member installed to the fuel cap less than the turning times of an existing screw member. CONSTITUTION: A fuel sealing device for preventing the fuel injected into a fuel supplying device from being separated is composed of a fuel filler neck(200) installed to a neck of a fuel tank with having a first screw member at an upper inside and a cylindrical tube shape fitting tube having a predetermined protruded part at a lower inside and a fuel cap(100) having a second screw member(112) at an upper outside and a supporting sill for preventing the separation of an o-ring(120) at a lower outside.
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