Title:
DISCHARGE CONTAINER
Document Type and Number:
WIPO Patent Application WO/2022/202842
Kind Code:
A1
Abstract:
This discharge container is provided with a container body that accommodates a liquid, a pump unit, and a cover member having a space in which the pump unit is arranged. The pump unit includes: a liquid feeding mechanism that performs a liquid suction operation to suction a liquid inside the container body, and a liquid feeding operation to feed the suctioned liquid; a case part that has the liquid feeding mechanism arranged therein and has an inside ventilation hole communicating with the inside and outside; and an inside opening/closing part that opens the inside ventilation hole during the liquid feeding operation of the liquid feeding mechanism and closes the inside ventilation hole during the liquid suction operation of the liquid feeding mechanism. The cover member forms a storage space that communicates with the inside of the case part between the cover member and the case part, and has a cover body part having an outside ventilation hole communicating with the inside and outside, and an outside opening/closing part to open and close the outside ventilation hole in accordance with the pressure inside the container body.
Inventors:
OGAWA YUKIHIRO (JP)
NISHIKURA HIDENARI (JP)
TANAKA TSUTOMU (JP)
NISHIKURA HIDENARI (JP)
TANAKA TSUTOMU (JP)
Application Number:
PCT/JP2022/013279
Publication Date:
September 29, 2022
Filing Date:
March 22, 2022
Export Citation:
Assignee:
TAISEI KAKO CO (JP)
YUWA SHOJI CO LTD (JP)
YUWA SHOJI CO LTD (JP)
International Classes:
B65D47/34; B65D83/00
Foreign References:
| JP2015163514A | 2015-09-10 | |||
| JPH04293568A | 1992-10-19 | |||
| JP2004057891A | 2004-02-26 | |||
| JP2011025107A | 2011-02-10 | |||
| EP2342990A2 | 2011-07-13 | |||
| JP2021047328A | 2021-03-25 | |||
| JPH0657843U | 1994-08-12 |
Attorney, Agent or Firm:
FUJIMOTO & PARTNERS (JP)
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