| 摘要 |
PROBLEM TO BE SOLVED: To provide a device which enables pipes P and P to be connected efficiently and rapidly together in a coaxial manner, even in a narrow space using simple operations and smoothly pressed in using low pressure. SOLUTION: The circular-cross-section pipe P is connected and pressurized to the connecting implement for the pipe P, in which a plurality of inclined parts 2, in such a shape as to gradually get away from the central axis, toward a flange part 3 from a large-diameter part 11 of a cylindrical body 1, are formed in the object positions of the central axis. This makes the circular-cross-section pipe P in the connecting implement end up being deformed in an oval shape. Since the outside diameter of a small-diameter part 12 is smaller than that of the large-diameter part 11, the reduced part of the pipe P, which is deformed into oval shape, is engaged with a step 14 between the small-diameter and large-diameter parts 12 and 11, when the pipe P is pulled up, so that the pipe P becomes disabled of being pulled out. COPYRIGHT: (C)2007,JPO&INPIT
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