| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a resin end face butt joint, along with a method for welding the joint and piping equipment, capable of ensuring a sufficient clamping margin with the clamp of a typical welding machine and ensuring an appropriate distance between the centers, even when joints having a short tubular welding ring is welded, and capable of aligning the centers by positioning the centers along the same axis. <P>SOLUTION: The resin end face butt joint includes: disposing multiple welding rings communicating with a flow path in a joint base on the joint base; and disposing fastening units for clamping the welding machine so as to be coaxial with at least one of these welding rings at the outer end of the joint base. <P>COPYRIGHT: (C)2013,JPO&INPIT |
