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7. 发明专利

JPS5133317A 失效
公开(公告)号：JPS5133317A
公开(公告)日：1976-03-22
申请号：JP5378175
申请日：1975-05-02
申请人： AMRI
发明人： MOORISU BONAFUU
IPC分类号： B67D7/04 , B67D7/00 , B67D7/36 , F16L29/00
摘要： Apparatus for supplying a liquid product to a pipe connected to the bottom of a vessel from a flexible conduit connected to a distribution system comprising a tank valve connected to the pipe and a coupling connected to the flexible conduit and adapted for connection to the tank valve. The tank valve includes a hollow body one part of which has a large aperture and a coupling mechanism for attachment with the coupling; a flap valve is disposed in the body for closing the aperture and the flap valve is connected via a linkage to an external operating lever; the coupling has a main casing with a connecting nose for lockable connection with the coupling mechanism of the body of the tank valve. A closure member is disposed in the casing for controlling flow of liquid product from the flexible conduit to the tank valve and a hydraulic ram acts on the closure member along with a cartridge having three springs of staggered force to provide the closure member with three stable positions of increasing opening.

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