| 摘要 |
PROBLEM TO BE SOLVED: To prevent a metal mouthpiece of a pressure container from deteriorating strength due to fatigue.SOLUTION: A pressure container includes a resin container body 1, a metal mouthpiece 2 provided outside the container body 1, and a resin outer shell 3 covering a part of the outer surface of the mouthpiece 2 and the outer surface of the container body 1. In a portion of the mouthpiece 2 covered with the outer shell 3, an inclination surface 25a of which a mouthpiece outer diameter gradually increases from axial outside of the mouthpiece toward axial inside exists. At the end part (shoulder part 25b) of the axial outside of the inclination surface 25a, a reinforcement layer 4 is integrally laminated, of which an elastic modulus in a maximum inclination direction of the inclination surface is larger than that of the outer shell 3.SELECTED DRAWING: Figure 2 |
