| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve safety of a machine for injection-molding a polymer component. <P>SOLUTION: A male portion for quick coupling 1 for connecting a casting mold M and a hose T has a male plug 6 inserted into a female portion 2 of the quick coupling and locked in the female portion by a ball 11, a lock ring 10 for operating the ball 11 is movable to the male plug 6 between a first position for radially retracing the lock ball 11 in a lock ring 10, and a second position for forcibly projecting the ball 11 in the lateral direction from the lock ring 10, and the male plug 6 has a visual indicator 13 at least partially exposed when the lock ring 10 is located at the second position, and covered by the lock ring 10 when the lock ring 10 is located at the first position. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
