Title:
SPRAY PUMP
Document Type and Number:
WIPO Patent Application WO/2020/059945
Kind Code:
A1
Abstract:
A spray pump is disclosed. A spray pump according to one aspect of the present invention comprises: a housing which has an inflow space and which is coupled to a container inlet; a housing cover coupled to the upper end portion of the housing; a disc for opening or closing the housing according to the pressure of the inflow space; a valve which is movably inserted into the housing cover and which has a valve head and a valve body communicating with the valve head; a guide having a portion inserted into the valve body and the remaining portion positioned outside the valve body, and having a guide passage corresponding to a flow path through which contents are discharged; a valve spring for providing elastic force for upwardly pressing the valve; a piston which is movably inserted into the outer peripheral surface of the guide, and which opens or closes the guide passage by means of the vertical movement of the valve; a nozzle which is coupled to the valve head and which has an insert protrusion; and an insert which is inserted into the circumference of the insert protrusion and which has an orifice, wherein a spiral nozzle helix groove is formed on the outer peripheral surface of the insert protrusion.
Inventors:
LEE KYUNGCHANG (KR)
LEE JOONHONG (KR)
LEE JOONHONG (KR)
Application Number:
PCT/KR2018/012628
Publication Date:
March 26, 2020
Filing Date:
October 24, 2018
Export Citation:
Assignee:
SAMHWAP&T CO LTD (KR)
International Classes:
B05B1/34; B05B11/00
Foreign References:
| KR200295502Y1 | 2002-11-18 | |||
| KR20180100259A | 2018-09-07 | |||
| KR101233080B1 | 2013-02-14 | |||
| JPH0612850Y2 | 1994-04-06 | |||
| KR20140103454A | 2014-08-27 |
Attorney, Agent or Firm:
YEON WOO IP GROUP (KR)
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