Title:
DISCHARGE TOOL
Document Type and Number:
Japanese Patent JP2023143668
Kind Code:
A
Abstract:
To provide a discharge tool which is hydraulic regeneration type and can achieve a great discharge amount.SOLUTION: There is provided a discharge tool 1 comprising: a first cylinder 24; a first piston 3 sliding on the first cylinder 24; a second cylinder 4 fitted to a mouth 20a of a container body 20; a second piston 25 sliding on the second cylinder 4; a holding member 16 which advances and retreats by operation from outside, to the second cylinder 4 with the first cylinder 24 and the second piston 25, and during the advance and retreat, advances and retreats to the first cylinder 24, with the first piston 3; an inner channel 18 which discharges a content in the container body 20 according to advance/retreat of the holding member 16, through the pump chamber 18a partitioned by the first cylinder 24, the first piston 3, the second cylinder 4, and the second piston 25; a hydraulic regeneration part 17 for closing the inner channel 18 by seating of a seating part 3a of the first piston 3 in an advance direction, to a seated part 6a of the holding member 16 by energizing from a first energization material 13; and a second energization member 14 for energizing the holding member 16 to the second cylinder 4 in a retreat direction.SELECTED DRAWING: Figure 1
Inventors:
MAEDA SHINYA
Application Number:
JP2022189412A
Publication Date:
October 06, 2023
Filing Date:
November 28, 2022
Export Citation:
Assignee:
YOSHINO KOGYOSHO CO LTD
International Classes:
B05B11/10; B05B11/00; B65D47/34; F04B9/14
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Kenichiro Kataoka
Mitsutsugu Sugimura
Kenichiro Kataoka
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