Title:
PUMP
Document Type and Number:
WIPO Patent Application WO/2022/059844
Kind Code:
A1
Abstract:
Disclosed is a pump, which is easily recycled and can have a reduced number of components. A pump according to one aspect of the present invention comprises: a housing having an inner space and an inner cylinder positioned inside the inner space; a guide comprising a head movably inserted into the inner cylinder, and a body for providing upward elastic force to the head; and a piston movably inserted into the circumference of the head, wherein the inner cylinder includes a through-hole, an opening/closing means capable of opening/closing the through-hole, and a housing inflow passage enabling the inflow of contents into the inner space, a guide inflow passage is formed at the circumference of the head, the piston can open/close the guide inflow passage, and the body has a plurality of cut parts in a hollow pillar shape to have elastic force.
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Inventors:
LEE KYUNG CHANG (KR)
Application Number:
PCT/KR2020/015956
Publication Date:
March 24, 2022
Filing Date:
November 13, 2020
Export Citation:
Assignee:
SAMHWA CO LTD (KR)
International Classes:
B05B11/00; A45D34/04; A47K5/12; F04B9/14
Foreign References:
| US20180214899A1 | 2018-08-02 | |||
| JP2005024100A | 2005-01-27 | |||
| KR101975847B1 | 2019-05-07 | |||
| KR20040053054A | 2004-06-23 | |||
| KR20180127582A | 2018-11-29 |
Attorney, Agent or Firm:
YEONWOO IP CONSULTING GROUP (KR)
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