| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a non-leakage type pipe coupling capable of ensuring a connection of excellent plug to socket, even if recovery delay in a piston collar is generated at the time of a connection release of the plug/socket. SOLUTION: In this non-leakage type pipe coupling, a structure in which a sleeve collar 46 having an abutting part 46d abuttable on a tip of a cam collar 40 is provided on a tip side so as to be freely slidable in an axial direction around the cam collar 40 is adopted, the whole of the cam collar 40 is released in the direction away from a ball 36 with force from a piston collar 38 added to an inclined surface 43 of the cam collar 40 when the ball 36 is pressed on the inclined surface 43 of the cam collar 40 by recovery delay of the piston collar 38 when an inserting part is drawn, and the ball 36 is not projected inward from an insertion path 22 and is stored within a path wall of the insertion path 22, even if recovery delay in the piston collar 38 is generated.</p> |
