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    • 1. 发明授权
    • Constrictable tube valve with plural wall tube
    • 带锥形管的可调管阀
    • US3811649A
    • 1974-05-21
    • US27338872
    • 1972-07-20
    • RESISTOFLEX CORP
    • PRESS IRINK HMENZEL J
    • F16K7/06
    • F16K7/061
    • The tube of a constrictable tube valve is formed with a plural wall of which the outermost wall is shorter than the innermost wall. A metal housing with internal surfaces of varying perimeter or girth closely fits around the separate walls with the innermost wall extending outside the housing where it is radially flared over the faces of flanges on the housing. A plurality of connecting elements pass through the outermost wall of the tube and connect with the innermost wall. The free ends of the connecting elements are coupled to one or the other of two compressor members which exert closing pressure upon the tube. A separate metal fork having its tines inserted in a corresponding base on the innermost tube wall serves to anchor the respective connecting element thereto.
    • 可收缩管阀的管形成有多个壁,其最外壁比最内壁短。 具有不同周边或周长的内表面的金属外壳紧密地配合在单独的壁周围,最内壁延伸到壳体外部,其中壳体的凸缘的表面上径向张开。 多个连接元件穿过管的最外壁并与最内壁连接。 连接元件的自由端联接到对管施加闭合压力的两个压缩机构件中的一个或另一个。 具有插入在最内管壁上的相应底座中的尖齿的单独的金属叉用于将相应的连接元件固定在其上。