| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide the joint structure of piping which can reduce the load of the fitting groove formed on the male coupling in order to keep the connection by engaging the male and the female coupling without changing the prescribed shape of the male coupling and can couple and decouple certainly even if the fluid pressure is high. <P>SOLUTION: While the male couplings 1 is put to go into the female coupling 9 and the fitting ring 7 of a hexagonal C character cross section is put to fit on the fitting groove 6, the inner sleeve body 18b which is put on the female coupling 9 is moved to the female coupling 9 by the enlarged diameter stepped section 2a of the male couplings body 2. The ball 17 for a lock is fit to the ball groove 16 formed on the outer circumference face of the female coupling 9 and it maintains in the condition that the male couplings 1 and the female coupling 9 are coupled. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
