| 摘要 |
<P>PROBLEM TO BE SOLVED: To finely adjust a quantity of a discharging liquid and to discharge a desired quantity of the liquid into a fixed part by continuously pressing a cap in a tapping manner. <P>SOLUTION: The fixed quantity discharging cap comprises: an inner cap 21 which covers the opening of the mouth 2 of a bottle 1 and has a through-hole defined for the passage of liquid contents; a top-having cylindrical cap body 11 which has a top wall with a discharging opening defined in the middle, externally fits on the mouth 2 while tightly covering the inner cap, and includes a chamber M in it for a fixed quantity; a top-having short cylindrical discharging valve 41 made of a soft material which has a top plate 43 with an insertion opening defined in the middle and a discharging hole defined through it, and tightly fits on the upper end of the cap body 11, and covers the top wall while defining a gap passage P between the top wall and the valve itself; and an over-cap 51 in which a cap piece 53 extends down from the top wall so that gap passage P is closed by bringing the top plate 43 of the discharging valve 41 into tight contact with the top face of the top wall; and a shaft 31 which is disposed in the middle of the inner cap 21, pressed upward by a spring S, and disposed upright so as to be moved upward or downward with its leading end remaining in contact with the cap piece 53. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
