Title:
SPRAY PUMP
Document Type and Number:
WIPO Patent Application WO/2020/059946
Kind Code:
A1
Abstract:
A spray pump is disclosed. A spray pump according to one aspect of the present invention comprises: a housing having an inlet space and coupled to a container inlet; a housing cover coupled to an upper end of the housing; a disk for opening or closing the housing according to a pressure of the inlet space; a valve movably inserted inside the housing cover and having a valve head, a valve passage formed in the valve head, and a valve body; a guide having a portion inserted into the valve body and another portion located outside the valve body, and including a guide passage corresponding to a flow passage through which content is discharged; a pump spring for providing an elastic force for urging the valve upward; a piston movably inserted into an outer circumferential surface of the guide, and opening or closing the guide passage by means of an upward and downward movement of the valve; a nozzle having a coupling protrusion coupled to the valve head and in communication with the valve passage; a valve ball positioned inside the nozzle and capable of closing the upper end of the valve passage; and a pump spring for urging the valve ball downward.
Inventors:
LEE KYUNGCHANG (KR)
LEE JOONHONG (KR)
LEE JOONHONG (KR)
Application Number:
PCT/KR2018/012629
Publication Date:
March 26, 2020
Filing Date:
October 24, 2018
Export Citation:
Assignee:
SAMHWAP&T CO LTD (KR)
International Classes:
B05B11/00
Foreign References:
| KR200295502Y1 | 2002-11-18 | |||
| KR19990040533U | 1999-12-06 | |||
| JPH0632346U | 1994-04-26 | |||
| JP2008055333A | 2008-03-13 | |||
| KR910008208Y1 | 1991-10-12 |
Attorney, Agent or Firm:
YEON WOO IP GROUP (KR)
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