| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a pump valve member capable of easily detaching a seal member from a base member. SOLUTION: This pump valve member is provided with a valve body opening/ closing a channel of a pump body, the ring-shaped base member proving a seat surface of the valve body and incorporated in the channel, and the seal member detachably installed in the base member and sealing an interval between the outer circumferential part of the base member and the internal circumferential part of the channel. A grip piece part projecting outward from the seal member is provided in the seal member.</p> |
