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Title:
PRESS PUMP STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2024/067399
Kind Code:
A1
Abstract:
A press pump structure, comprising a pump body, a connecting seat, a valve stem and a spring. The valve stem is mounted on the pump body by means of the connecting seat; a spring cavity is formed between the valve stem and the connecting seat, and the spring is placed in the spring cavity; the spring is a spiral plastic spring or a bellows type plastic spring. The press pump is suitable for being used as an all-plastic press pump structure and can be used for pumping a liquid, emulsion or a similar substance from a container. The structural design is reasonable, production and assembly are convenient, good sealing performance and good stability are achieved, and overall recycling is simple.

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Inventors:
HUANG JIANYI (CN)
Application Number:
PCT/CN2023/120717
Publication Date:
April 04, 2024
Filing Date:
September 22, 2023
Export Citation:
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Assignee:
ZHEJIANG Z & Z IND CO LTD (CN)
International Classes:
B65D47/34
Foreign References:
CN219545539U2023-08-18
CN113895777A2022-01-07
CN112193609A2021-01-08
CN112896781A2021-06-04
CN201880641U2011-06-29
CN102464133A2012-05-23
CN213832812U2021-07-30
CN213832814U2021-07-30
KR980009890A1998-04-30
Attorney, Agent or Firm:
JIANGSU SUNDY LAW FIRM (CN)
Download PDF:
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