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吸乳泵和用於該吸乳泵的罩
专利权人:
Medela Holding AG
发明人:
RIGERT, Mario,FISCHER, René
申请号:
HK18103411
公开号:
HK1243965B
申请日:
2018.03.12
申请国别(地区):
HK
年份:
2019
代理人:
摘要:
A breast pump for pumping human breast milk has a flexible pumping membrane and a stiff cap, which can be fitted onto said pumping membrane, this resulting in the formation of a pumping chamber for generating a negative pressure. The cap can be, or is, connected to a breast-shield unit via a suction line. The pumping membrane has an encircling collar with a step and a laterally projecting protrusion. The cap has, on its inner side, an encircling abutment region and also at least one form-fitting element, which is spaced apart from the encircling abutment region and establishes a form fit with the protrusion of the pumping membrane. The cap is positioned with a snap fit on the pumping membrane. In the abutment region (53), it establishes a joint frictional fit with a step of the pumping membrane and thus forms a seal. The snap-fit positioning of the cap on the pumping membrane is sufficient for the cap to be retained with sealing action on the pumping membrane.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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