| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an in-core made of a resin material by resin moulding that does not have any bubbles generated and thereby has improved mechanical strength for preventing the deformation of a pipe that is connected for a long time in. <P>SOLUTION: In the in-core that is inserted, along with a pipe fitted to the inside of the terminal of a pipe to be connected, into an insertion type pipe fitting, having a pipe fitting body and a locking member having a locking nib locked to the outer surface of the pipe that is accommodated and connected inside the pipe fitting body, the in-core is made of a resin material, and a recess is provided between waterstop member accommodation sections at two locations for accommodating a waterstop member provided at the long cylindrical section of the in-core and at the tapered section of a collar section. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
