公开(公告)号：WO1985002000A1

公开(公告)日：1985-05-09

申请号：PCT/CH1984000175

申请日：1984-11-02

Applicant: MICHIELIN, Serge ,  NYDEGGER, Roland

IPC: F16K07/06

CPC classification number: F16K7/068 ,  Y10S138/05 ,  Y10S138/08

Abstract: Opening and closing element for an S-shaped fluid flow line, used for flowing any fluid or solid (powdery, granular) material and adaptable to any form of package or installation containing fluids, characterized in that its shape consisting of two S elbows enables to stop instantaneously the flow of fluids and to stop instantaneously the flow of fluids and this, by manual or mechanical traction, as a function of the position given to said element; the S-shape provides a very efficient tightness without the use of additional elements.

Abstract translation: 用于流动任何流体或固体（粉状，颗粒状）材料并适用于包含流体的任何形式的包装或装置的S形流体流动管线的打开和关闭元件，其特征在于，其由两个S弯头组成的形状能够 立即停止流体的流动并且通过手动或机械牵引力瞬时地停止流体的流动，作为给予所述元件的位置的函数; S形提供非常有效的紧密度，而不需要使用附加元件。