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    • 2. 发明申请
    • PRE-TENSIONED SEALING MEANS ARRANGEMENT
    • 预紧密封装置
    • WO2007073197A1
    • 2007-06-28
    • PCT/NO2006/000466
    • 2006-12-06
    • TDW OFFSHORE SERVICES ASALEKSANDERSEN, JosteinSYSE, Harald
    • ALEKSANDERSEN, JosteinSYSE, Harald
    • F16L55/132
    • F16L55/132
    • The present invention regards a barrier plug system (3) for sealing off a pipe (1), comprising a plug body, a first and a second end plate surface (11, 31) arranged on opposite sides of the plug body and at least one circumferential sealing means (6) and means (8) for setting the plug system (3). The plug body comprises at least two separate plug body elements (10, 30) movable relative each other and the at least one sealing means (6) is arranged abutting two opposite annular pressing surfaces (12, 32) formed by the plug body, which are moved towards each other during setting of the plug system (3). The pressing surfaces (12, 32) are limited in the movement against each other by stop means and pre-tensioned to move toward each other by at least one tensioning device (7).
    • 本发明涉及一种用于密封管道(1)的阻塞塞系统(3),其包括塞体,布置在塞体的相对侧上的第一和第二端板表面(11,31)和至少一个 圆周密封装置(6)和用于设置塞子系统(3)的装置(8)。 塞体包括至少两个彼此相对移动的分开的塞体元件(10,30),并且所述至少一个密封装置(6)被布置成邻接由塞体形成的两个相对的环形挤压表面(12,32), 在插头系统(3)的设置期间彼此相对移动。 按压表面(12,32)通过止动装置相互限制运动,并通过至少一个张紧装置(7)预张紧地朝向彼此移动。