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公开(公告)号：EP4133980A1
公开(公告)日：2023-02-15
申请号：EP22196906.6
申请日：2017-04-06
IPC分类号： A47K5/12
摘要： An exemplary refill unit for a foam dispenser comprises a container for holding foamable liquid, a foam pump secured to the container wherein the foam pump includes a housing, a molded multi-chamber diaphragm wherein the molded multi-chamber diaphragm comprises a liquid pump chamber and three air pump chambers, an inlet valve and an outlet valve. A mixing chamber is included and located downstream of the outlet valve for mixing foamable liquid from the liquid pump chamber with air from each of the three air pump chambers. In addition, a foam cartridge and an outlet for dispensing foam are also included.
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公开(公告)号：EP3977905A1
公开(公告)日：2022-04-06
申请号：EP21209487.4
申请日：2018-07-06
IPC分类号： A47K5/12
摘要： A dispensing system, comprising:
a housing;
a reservoir secured to the housing;
a cavity located in an upper portion of the reservoir, wherein the cavity is configured so that air in the reservoir migrates to the cavity;
an air passage extending upward from the cavity;
a liquid passage extending upward from the reservoir;
a bottom of the liquid passage being located below a bottom of the air passage;
at least one engagement member, wherein the engagement member is configured to mate with a refill container;
a pump having a pump chamber in fluid communication with the reservoir;
an outlet nozzle in fluid communication with the pump chamber; and
a refill container configured to be releasably attached to the reservoir such that the refill container is in fluid communication with the reservoir through the at least one engagement member;
the refill container having at least one sealing member
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