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Fluid product dispensing device or powdery.
专利权人:
APTAR FRANCE SAS
发明人:
MATTHIEU BAILLET,FRANCOIS LE MANER,FRANCK POULLAIN,HOLGER KEHRER
申请号:
FR1356667
公开号:
FR3007992B1
申请日:
2013.07.05
申请国别(地区):
FR
年份:
2018
代理人:
摘要:
A dispenser device, including an outlet, air expeller including a piston that slides in an air chamber between rest position and dispensing positions, and a reservoir containing a dose composition. The reservoir includes an air inlet connected to the air expeller, and a composition outlet connected to the outlet, the air inlet including a composition retainer member, and the composition outlet being closed by a closure element force fitted in the composition outlet of the reservoir. A mechanical opening system co-operates with the closure element to expel it from its closed position while the device is actuated. The piston, when in its rest position, co-operates in non-airtight manner with the air chamber so that the air chamber communicates with the atmosphere. The piston includes an inner lip co-operating with a cylindrical surface, the cylindrical surface including fluting co-operating in non-airtight manner with the inner lip in the rest position.
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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