| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology which suppresses the idling of a mouthpiece, in a high-pressure tank having a liner and the mouthpiece.SOLUTION: A high-pressure tank comprises a tank main body having a resin-made liner and a non-resin mouthpiece which is attached to an opening end of the liner, and a reinforcing layer which entirely covers the tank main body, and has pressure resistance. The liner comprises a first contact face which substantially intersects with a center axis of the liner, and contacts with the mouthpiece, the mouthpiece comprises a second contact face which contacts with the first contact face of the liner, either of the first contact face and the second contact face comprises a protrusion, the other comprises a recess which is fit to the protrusion, and an external peripheral shape of the second contact face is substantially circular.SELECTED DRAWING: Figure 1 |
