Title:
BIDIRECTIONAL PUMPING DEVICE ENABLING CONSUMPTION OF RESIDUAL AMOUNT OF LIQUID
Document Type and Number:
WIPO Patent Application WO/2022/035209
Kind Code:
A1
Abstract:
The present invention relates to a bidirectional pumping device enabling consumption of the residual amount of liquid and comprises: a container having an inner space in which a liquid can be stored, and having a coupling hole communicating with the inner space; a body part having a first chamber and a second chamber; a partition wall provided in the body part to separate the first chamber and the second chamber from each other; a suction pipe extending from the body part into the inner space of the container; a first bearing for opening or closing the suction pipe; a pump part slidably coupled to the body part and including a head part protruding out of the body part; a first piston sliding in the first chamber; a second piston sliding in the second chamber; a suction part capable of introducing a liquid into the second chamber; and a second bearing provided between the second chamber and the suction part to open or close the suction part.
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Inventors:
YI EUN SUK (KR)
Application Number:
PCT/KR2021/010635
Publication Date:
February 17, 2022
Filing Date:
August 11, 2021
Export Citation:
Assignee:
JARAM CO LTD (KR)
YI EUN SUK (KR)
YI EUN SUK (KR)
International Classes:
B05B11/00; B05B11/04
Foreign References:
| US20040129727A1 | 2004-07-08 | |||
| KR20090127979A | 2009-12-15 | |||
| KR20090021326A | 2009-03-03 | |||
| JP2002347866A | 2002-12-04 | |||
| US6036113A | 2000-03-14 |
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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