Title:
PUMP STRUCTURE HAVING SYNTHETIC RESIN ELASTIC BODY
Document Type and Number:
WIPO Patent Application WO/2022/240002
Kind Code:
A1
Abstract:
A pump structure having a synthetic resin elastic body, according to an embodiment of the present invention, for discharging, to the outside, by means of the pressing of a push button, contents temporarily stored in a housing comprises: a fixed bushing formed at one side of a housing; a stem moving in the operating direction of a pump together with a push button; and an elastic body which is made from a synthetic resin material, and which is formed between the fixed bushing and the stem to provide elasticity to the stem, wherein the elastic body is injection-molded as a screw type, and first and second rotation-preventing parts are formed at each of the elastic body and the stem to prevent the rotation of the elastic body when the elastic body is compressed or restored.
Inventors:
LEE DO HOON (KR)
Application Number:
PCT/KR2022/005794
Publication Date:
November 17, 2022
Filing Date:
April 22, 2022
Export Citation:
Assignee:
PUM TECH KOREA CO LTD (KR)
International Classes:
A45D34/04; B05B11/00; F04B9/14
Foreign References:
| KR20210047557A | 2021-04-30 | |||
| KR20120107384A | 2012-10-02 | |||
| JP3569384B2 | 2004-09-22 | |||
| CN107264970A | 2017-10-20 | |||
| KR102186036B1 | 2020-12-03 |
Attorney, Agent or Firm:
KWAK, Young Mok et al. (KR)
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