发明名称 COUPLING FOR FLANGED PIPES, PROCESS FOR CONNECTING THE FLANGES AND USE OF THE COUPLING
摘要 <p>Flange for pipe joints with pipes leading fluids under high pressure, where the flange comprises a contact surface (6, 7; 6a, 7a) which, when the securing bolts (3) for the pipe joints are not tightened, form an outwards directed angle to each other, and being forced towards each other when the securing bolts (3) are tightened. The flanges may also comprise outer and inner depending sections (8, 9; 10, 11) for further tightening effect, and may additionally possibly comprise washer/gasket grooves (12) and washers/gaskets (20).</p>
申请公布号 WO1993017268(A1) 申请公布日期 1993.09.02
申请号 NO1993000029 申请日期 1993.02.22
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