| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique for fixing a tubular screwed body part to a tubular pipe body part without using a welding technique. <P>SOLUTION: The pipe end structure 1 includes: the pipe body part 2 having a tubular wall part 21 and a raised part 22 which is formed by annularly raising the outer peripheral edge of the top of the wall part 21 toward the outside; the tubular screwed body part 3 having a screw part 31, which is screwed into the other side, on the outer peripheral surface, and fitted onto the pipe body part 2 with its top surface 3c in close contact with the rear end of the raised part 22 and its inner peripheral surface 3b in close contact with the outer peripheral surface 21a of the wall part 21; and an engaging part 34 formed by annularly raising the inner peripheral edge of the top of the screwed body part 3 toward the inside, and engaging the screwed body part 3 with the pipe body part 2 by biting into the wall part 21 from the outer peripheral surface 21a side. <P>COPYRIGHT: (C)2013,JPO&INPIT |
