| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a double delivery device which improves the cleanability of the inside of the device. <P>SOLUTION: The double delivery device 1 includes two holders 4 and 5 which are detachably connected to mouths 2a and 3a of containers 2 and 3, respectively, pipes 8 and 9 whose one side ends 8a and 9a are connected to openings 4a and 5a of the holders 4 and 5 via suction valves 6 and 7, respectively, a pump 10 connected to the pipes 8 and 9, and a nozzle 11 which is connected to the other ends 8b and 9b of the pipes 8 and 9 via delivery valves 12 and 13. The pump 10 is composed of a double-concentric cylinder 15 which has intake/discharge ports 14a to 14c each connected to supply passages of the two pipes 8 and 9 and contains two internal demarcated space areas S1 and S2, and two pistons 16a and 16b which are so arranged as to be capable of moving in and out of the space areas S1 and S2 simultaneously inhale, pressurize, and deliver contents in containers 2 and 3 to the nozzle 11, respectively. The nozzle 11 is detachably connected to other ends 8b and 8c of the pipes 8 and 9. <P>COPYRIGHT: (C)2008,JPO&INPIT |
