| 摘要 |
PROBLEM TO BE SOLVED: To ensure the pressure resistance of a pipe and a pressure container using the pipe.SOLUTION: A pipe 10A has a cylindrical shape, and extends in an extending direction of a center axis C. The pipe has a first hole 21, a first projecting shape portion 31, and a second projecting shape portion 32. The first hole 21 communicates the outside and inside of the pipe 10A. The first projecting shape portion 31 and the second projecting shape portion 32 are respectively provided on both sides of the first hole 21 in a circumferential direction of the pipe, and bulge inward or outward in a diametrical direction.SELECTED DRAWING: Figure 1A |
