Title:
PUMP CAP
Document Type and Number:
WIPO Patent Application WO/2021/206252
Kind Code:
A1
Abstract:
A pump cap according to one aspect of the present invention comprises: a cylinder having an inner space into which contents flow; a piston which rises/falls in the inner space, and which has an inflow hole that enables communication with the inner space; a valve, which respectively comes in contact with the inner peripheral surface of the cylinder and the outer peripheral surface of the piston, and can close the inflow hole while moving according to the rising/falling of the piston; a rod which is coupled to and communicates with the upper portion of the piston, and which protrudes to the outside of the cylinder; a shoulder coupled to the upper portion of the cylinder; and an elastic member of which one end comes in contact with the shoulder and the other end comes in contact with the rod so as to provide elastic force that upwardly presses the rod, wherein the elastic member has a modifiable soft part.
Inventors:
LEE KYUNG CHANG (KR)
Application Number:
PCT/KR2020/015949
Publication Date:
October 14, 2021
Filing Date:
November 13, 2020
Export Citation:
Assignee:
SAMHWA CO LTD (KR)
International Classes:
B05B11/00
Domestic Patent References:
| WO2009141510A1 | 2009-11-26 | |||
| WO2017051086A1 | 2017-03-30 |
Foreign References:
| KR20120004976U | 2012-07-10 | |||
| US20150136810A1 | 2015-05-21 | |||
| US20120091229A1 | 2012-04-19 |
Attorney, Agent or Firm:
YEONWOO IP CONSULTING GROUP (KR)
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