Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PRE-COMPRESSION PUMP HAVING REDUCED HEIGHT AND LIQUID LEAKAGE PREVENTION FUNCTION, AND CONTAINER COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2024/036726
Kind Code:
A1
Abstract:
A pre-compression pump having a reduced height and a liquid leakage prevention function, and a container (100) comprising the pump. The pre-compression pump comprises: a body (6), a first piston assembly movably mounted inside the body (6), a press head assembly disposed at the top of the first piston assembly, a second piston (2) movably mounted inside the first piston assembly, and a second spring (5) supported between the second piston (2) and the first piston assembly. A water storage compartment (10) is provided between the body (6) and the first piston assembly; a water outlet channel (16) is provided inside the first piston assembly; the water outlet channel (16) is communicated with the water storage compartment (10) and a nozzle (22) of the press head assembly; the second piston (2) is provided with an ejector pin part (3) used for closing the water outlet channel (16).

Inventors:
CHENG FEI (CN)
KANG WEIDONG (CN)
Application Number:
PCT/CN2022/124161
Publication Date:
February 22, 2024
Filing Date:
October 09, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHENZHEN SANYUAN MEDICINE PACKAGING CO LTD (CN)
International Classes:
B05B11/00; A45D34/00; B65D23/00; B65D47/34
Foreign References:
CN115140394A2022-10-04
CN213855199U2021-08-03
CN213849199U2021-08-03
CN213996364U2021-08-20
CN1156114A1997-08-06
FR2346056A11977-10-28
CN214803017U2021-11-23
DE2644321A11978-04-06
US5192006A1993-03-09
GB1414637A1975-11-19
Attorney, Agent or Firm:
SHENZHEN KANGHONG INTELLECTUAL PROPERTY AGENT CO., LTD (CN)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: MONITORING CIRCUIT AND STORAGE SYSTEM

Next Patent: DATA ANOMALY DETECTION METHOD AND APPARATUS, DEVICE, MEDIUM, AND PROGRAM PRODUCT