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ACCESS DEVICE FOR CONTAINERS OF FLUIDIZABLE SUBSTANCES
专利权人:
INDUSTRIE BORLA S.p.A.
发明人:
Gianni GUALA
申请号:
US15117026
公开号:
US20170079880A1
申请日:
2015.01.30
申请国别(地区):
US
年份:
2017
代理人:
摘要:
An access device for containers of fluidizable substances includes a body provided with a hollow spike designed to be inserted into a container of a substance to fluidize and having an axial fluid passage and an axial passage for venting of the container, an expandable chamber connected to the venting passage of the spike through a lateral passage of the body, a first check valve enabling one-way communication from the lateral passage to the expandable chamber, a second check valve enabling one-way communication from a vent opening to the venting passage of the spike. A double impermeable filtering membrane is interposed between the first check valve and the second check valve.
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