| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a piston pump capable of facilitating machining of a piston. <P>SOLUTION: A cylindrical filter 44 is attached to a pump cylinder 35. A line shape stopper ring 45 is provided on an outer circumference surface of the piston 26, the stopper ring 45 is positioned between a right end of the pump cylinder 35 and a stopper 44g of the filter 44. The piston 26 is prevented from coming off the filter 44 by making the stopper ring 45 abutting on the stopper 44g. Machining of the piston 26 is facilitated by providing the stopper ring 45 on the piston 26. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
