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    • 9. 发明公开
    • Metal gasket
    • Metalldichtring。
    • EP0459510A2
    • 1991-12-04
    • EP91108951.4
    • 1991-05-31
    • Japan Atomic Energy Research InstituteJAPAN VAC'S METAL CO., LTD.
    • Obara, Kenjiro, c/o Naka EstablishmentMurakami, Yoshio c/o Naka EstablishmentKiriki, Takao, c/o Japan Vac's Metal Co.,Ltd.
    • F16L23/16
    • F16L23/20
    • A plate-shaped ring-type metal gasket (11) for use in a flange (13) which is formed as a knife edge (15) in cross section, comprising a zirconium-copper alloy with a zirconium content in the range of 0.01 wt.% to 0.2 wt.%, in which the zirconium-copper alloy preferably has a Vickers hardness of 75 to 115, and the copper of the alloy is preferably oxygen-free copper. In this metal gasket, a sealing effect is obtained from the sealing edge of the knife-edge-type metal-zeal flange biting into the plate-shaped ring-type gasket as the result of a clamping force applied by a clamping bolt or screw (17) and it is possible to prevent a reduction in the sealing pressure produced at the contact surface between the sealing edge and the gasket resulting from a slight deformation of the sealing groove during baking, thus preventing any loss of sealing performance either during baking or after baking.
    • 一种用于在横截面上形成为刀刃(15)的凸缘(13)中的板状环形金属衬垫(11),包括锆含量在0.01重量%范围内的锆 - 铜合金 %至0.2重量%,其中锆 - 铜合金的维氏硬度优选为75〜115,合金的铜优选为无氧铜。 在这种金属垫圈中,由于通过夹紧螺栓或螺钉施加的夹紧力,从咬合到板状环形垫圈中的刀刃式金属制凸缘的密封边缘获得密封效果( 17),并且可以防止由于烘烤期间密封槽的轻微变形而在密封边缘和垫圈之间的接触面处产生的密封压力的降低,从而防止在烘烤期间或之后的密封性能的任何损失 烘烤。