Title:
DISPENSING ASSEMBLY AND CONTAINER SYSTEM INCLUDING THE SAME
Document Type and Number:
WIPO Patent Application WO/2023/185676
Kind Code:
A1
Abstract:
The present invention relates to a dispensing assembly (200) and a container system including the same. The dispensing assembly comprises: a first chamber (215) of a first volume provided with a first opening (230) sealed by a first valve (207); a second chamber (216) of a second volume provided with a second opening (231) sealed by the first valve, when the first valve leaves the second opening, the first chamber is in fluid communication with the second chamber, a second valve (208) is provided in the second chamber, when the second valve is open, a second fluid can enter the second chamber; a primary piston (205) slidable along a sidewall of the first chamber and defines the second chamber; a secondary piston (206) located in the second chamber (216) and slidable along a sidewall of the second chamber; and a movable piston rod which can actuate the secondary piston; when the first valve leaves the first opening, the second valve is closed as the piston rod actuates the secondary piston to slide downward, and the pressure of the second fluid in the second chamber forces the first valve to leave the second opening, so that the second fluid in the second chamber enters the first chamber, allowing the first fluid of the second volume to be discharged out from the first chamber.
Inventors:
LI ZHIGANG (CN)
Application Number:
PCT/CN2023/083673
Publication Date:
October 05, 2023
Filing Date:
March 24, 2023
Export Citation:
Assignee:
SILGAN DISPENSING SYSTEMS WUXI CO LTD (CN)
International Classes:
B01L3/02; A45D34/04; B65D47/18
Foreign References:
| CN214650358U | 2021-11-09 | |||
| US20210251366A1 | 2021-08-19 | |||
| EP3932250A1 | 2022-01-05 | |||
| US4579153A | 1986-04-01 | |||
| JP2016087513A | 2016-05-23 |
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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