Improved fluid dispenser.

(57) The liquid distribution machine 20 which accommodates the bag 200 which has the discharge way which carried out the summary curve, and apportions a liquid is offered. This distribution machine 20 has a distribution object and a distribution mechanism prepared in this distribution inside of the body. This distribution mechanism has the cylinder type roller 62 which operates by the cam means 60 prepared in the position which is the side the 背面押 part 80 prepared in 1 side of a distribution way, and opposite to this distribution way, and counters the above-mentioned 背面押 part 80. This cylinder type roller 62 is attached to the roller bracket 68 by which 枢 arrival is carried out to the inside of the push button 44 of a cave. This push button 44 is attached to the opening 穿設 (ed) by the front cover 14 of the distribution machine. The spring 78 is attached to the roller bracket 68 and the front cover 14, and the cylinder type roller 62 is held by the appearance forced on the flexible distribution room 132 of the bag 200 in this way. If the push button 44 is pushed, the upper part of the flexible distribution room 132 of the bag 200 will be forced for the cylinder type roller 62 between the cylinder type roller 62 and the 背面押 part 80, If the seal of the distribution room 130 is carried out at first in the upper part and also a motion of the cavernous push button 44 progresses, the cylinder type roller 62 will be pushed down the distribution room 132, and the liquid to have been shut up all over the distribution room 132 in this way will be emitted.