Title:
DISPENSER
Document Type and Number:
WIPO Patent Application WO/2022/014536
Kind Code:
A1
Abstract:
This dispenser 1 comprises: a plunger 100; a guide block 200 which guides the plunger 100 so that the plunger advances/retreats along an axial line L1; a dispenser unit 300 which discharges/suctions liquid according to the advancement/retreatment of a leading end surface 101; and a driving unit 400 that advances/retreats the plunger 100, wherein the dispenser unit 300 has a surrounding part 310 which surrounds the leading end surface 101 and constitutes an accommodation chamber 319, a nozzle unit 340 which faces the leading end surface 101, and a plunger seal 352 which seals the gap between the surrounding part 310 and the plunger 100, the nozzle unit 340 includes an outflow port 343 which transfers liquid out of the accommodation chamber 319, the surrounding part 310 includes an inflow port 323 which receives liquid into the accommodation chamber, and the inflow port 323 is positioned near the nozzle unit 340 between the plunger seal 352 and the nozzle unit 340.
Inventors:
FUJIMOTO SHINYA (JP)
Application Number:
PCT/JP2021/026160
Publication Date:
January 20, 2022
Filing Date:
July 12, 2021
Export Citation:
Assignee:
IWASHITA ENG INC (JP)
International Classes:
F04B13/00; B05C5/00; B05C11/10; F04B9/08; F04B53/16
Foreign References:
| JP2017506578A | 2017-03-09 | |||
| CN111068984A | 2020-04-28 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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