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    • 76. 发明公开
    • ULTRA-SEAL GASKET FOR JOINING HIGH PURITY FLUID PATHWAYS
    • ULTRAVERSCHLUSSDICHTUNG ZUR VERBINDUNG VONSTRÖMUNGSWEGENHOCHREINER FLUIDE
    • EP3132162A1
    • 2017-02-22
    • EP15779865.3
    • 2015-04-16
    • Vistadeltek, LLC
    • VU, Kim, Ngoc
    • F16J15/08F16L23/20
    • F16J15/0806F16J15/0881F16J15/0887
    • A ring-shaped gasket for making high-purity fluid pathway connections between opposing fluid delivery apparatus elements having at least one simple flat surface in contact with the gasket. The face of at least one apparatus element typically has a circular counterbore depression to receive the gasket, but is not required. The gasket has a body, pierced through by a hole creating a fluid pathway and defining a radial inner surface, and additionally having a radial outer surface, a first axial end surface and a second axial end surface. At least one of the first and second axial end surfaces has a stress concentration feature radially adjacent to a gasket sealing region, the sealing region constructed to be in contact with a face surface of a corresponding fluid conduit port. The stress concentration feature may be a groove or a plurality of cavities disposed adjacent the gasket axial end surface sealing region.
    • 一种用于在相对的流体输送装置元件之间进行高纯度流体通路连接的环形垫圈,其具有与衬垫接触的至少一个简单的平坦表面。 至少一个装置元件的表面通常具有圆形的沉孔凹陷以接收垫圈,但不是必需的。 垫圈具有通过孔刺穿的主体,形成流体通道并限定径向内表面,并且另外具有径向外表面,第一轴向端表面和第二轴向端表面。 所述第一和第二轴向端面中的至少一个具有径向相邻于垫圈密封区域的应力集中特征,所述密封区域构造成与相应的流体导管口的表面接触。 应力集中特征可以是与垫片轴向端面密封区域相邻设置的槽或多个空腔。