Title:
ELASTIC MEMBER FOR LIQUID PUMP, LIQUID PUMP, AND COSMETIC CONTAINER
Document Type and Number:
WIPO Patent Application WO/2023/065554
Kind Code:
A1
Abstract:
An elastic member (3) for a liquid pump, a liquid pump, and a cosmetic container. The liquid pump comprises: a pump body (2), a head cap (4) capable of moving up and down relative to the axial direction of the pump body (2), and the elastic member (3) capable of providing an action force required for the head cap (4) to move upward and away from the pump body (2); the elastic member (3), as a whole, is made of a plastic material; the elastic member (3) at least comprises a main body portion capable of being elastically stretchable in a vertical direction, the main body portion being formed by helically extending an elastic strip (31); moreover, the elastic member (3) comprises a first end portion (3a) and a second end portion (3b) that are respectively arranged at two different ends in the axial direction of the elastic member, and the outer diameter of the elastic member (3) is set to be gradually increased from the first end portion (3a) to the second end portion (3b).
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| WO/2000/059795 | LID FOR A DRINKS CAN OR CAN CONTAINING OTHER LIQUIDS |
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Inventors:
HU MINGJI (CN)
Application Number:
PCT/CN2022/072229
Publication Date:
April 27, 2023
Filing Date:
January 17, 2022
Export Citation:
Assignee:
HCP PACKAGING SHANGHAI CO LTD (CN)
International Classes:
B65D47/20; A45D34/00; B05B11/00; B65D47/34
Domestic Patent References:
| WO2018220671A1 | 2018-12-06 |
Foreign References:
| CN113895777A | 2022-01-07 | |||
| JP2001099207A | 2001-04-10 | |||
| KR20130041586A | 2013-04-25 | |||
| KR102186036B1 | 2020-12-03 | |||
| KR20160097607A | 2016-08-18 | |||
| CN107264970A | 2017-10-20 | |||
| CN213263643U | 2021-05-25 |
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT & TRADEMARK AGENCY, LTD. (CN)
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