| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a small capacity and small diameter syringe which can secure minute quantity delivery in liquid volume high accuracy. <P>SOLUTION: The syringe is formed in two steps of a small diameter part 3 and a large diameter part 2. A delivery port 17 is set on the small diameter part end. An air retaining chamber 20 is formed between the small diameter part and the delivery port 17. A pocket 18 forming a suitable closed chamber space around the delivery port 17 is provided without closing the delivery port 17, the pocket 18 is closely adhered to the outer wall of a nozzle 11 and then a plunger 5 is drawn. The syringe is a liquid supply means having the above constitution. When the total volume of the liquid in the syringe is delivered, supply of the liquid is required, however the delivery port which air is mixed into upon the supply of the liquid can be coincided with the liquid level. <P>COPYRIGHT: (C)2011,JPO&INPIT |
