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    • 3. 发明公开
    • METHOD FOR PRODUCTION OF A POLE PART OF A MEDIUM- VOLTAGE SWITCHING DEVICE, AS WELL AS THE POLE PART ITSELF
    • 用于生产长杆部分二级电压开关装置和自极
    • EP2191488A1
    • 2010-06-02
    • EP08785773.6
    • 2008-09-01
    • ABB Technology AG
    • CLAUS, OliverGENTSCH, DietmarHUMPERT, Christof
    • H01H33/662
    • H01H33/66207H01H2033/6623
    • The invention relates to a method for production of a pole part of a medium-voltage switching device, and to a pole part itself, as claimed in the preamble of patent claims 1 and 6. In order in this case to ensure that the costly pressure reinforcements are avoided at least on the switching contact side of the vacuum interrupt chamber in the area of the mold core, while nevertheless achieving an optimum injection-molded result, the invention proposes that before the encapsulation process, a compensation ring is positioned as a separate injection-molded seal on or close to the external circumferential line of the vacuum interrupt chamber cover, between the lower cover of the vacuum interrupt chamber and the mold core and then also encapsulated such that it remains as a lost seal in the encapsulation, with the mold core then being removed again.
    • 本发明涉及一种用于生产中压开关装置的电极部件的方法,以及在极柱部分本身,如权利专利权利要求1和6的前序部分为了在这种情况下,以确保DA​​SS模具昂贵压力 避免加强件至少在所述模芯的区域中的真空灭弧室的开关触点侧,同时仍然实现以最佳注模结果,本发明提出的包封过程之前那样,补偿环(4)被定位 从而在一个单独的注射模制的密封件或接近真空灭弧室(1)覆盖的外周线,下盖(5)之间的真空灭弧室和所述模具芯(6),然后胶囊化搜索做的 它仍然是在封装(2)丢失的密封,与所述模芯被随后再次除去。