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    • 9. 发明申请
    • PIPE JOINT ASSEMBLY AND METHOD FOR USING SAME
    • 管接头总成及其使用方法
    • WO0173332A3
    • 2002-07-11
    • PCT/US0109186
    • 2001-03-22
    • NON METALLIC RESOURCES INC
    • HEUBACH GLENN CTRIPP JAY D
    • C07D307/87C07C253/30C07C255/56F16B9/00F16B9/02F16L23/024F16L23/026F16L23/028F16L23/00
    • F16L23/0283
    • The present invention relates to a method for sealing an end of a pipe to an external sealing surface. The method includes providing a pipe assembly which includes a pipe (2) and a flange (8). The pipe includes a proximal pipe end (12) and a flared end region (16). The flared end region is integral with the pipe and is proximate to and continous with the proximal pipe end. The flange is non-integrally disposed around the pipe distal to the pipe's flared end region. The method further includes securing, non-integrally and distally to the pipe's flared end region, the flange to the pipe so that proximal movement of the flange relative to the pipe is restricted. The flange is drawn toward the external sealing surface (4), which causes the flange sealing surface to bias the pipe's flared end region into sealing contact with the external sealing surface. Pipe assemblies which include a backup ring (38) having a tapered outside surface are also discussed. The methods and assemblies disclosed herein are particularly useful for joining lengths of multilaminate, especially dual-laminate, pipe.
    • 本发明涉及一种用于将管的端部密封到外部密封表面的方法。 该方法包括提供包括管(2)和凸缘(8)的管组件。 管道包括近端管端(12)和扩口端区域(16)。 扩口末端区域与管道成一体,并且与近端管端部接近且连续。 法兰不是一体地设置在远离管道的扩口端区域的管道周围。 该方法还包括将管道的扩张端部区域非法一体地和远侧地固定在法兰上,使得法兰相对于管道的近端运动受到限制。 凸缘朝向外部密封表面(4)拉出,这导致凸缘密封表面将管道的扩口端区域偏压到与外部密封表面密封接触。 还讨论了包括具有锥形外表面的支撑环(38)的管组件。 本文公开的方法和组件特别适用于连接多层,特别是双层压管的长度。
    • 10. 发明申请
    • WELD STUD WITH ELLIPTICAL WELD FLANGE
    • 焊接法兰
    • WO00076710A1
    • 2000-12-21
    • PCT/GB2000/002258
    • 2000-06-09
    • B23K9/20F16B9/00B23K35/02
    • B23K9/20B23K9/207F16B9/00
    • The weld stud (1) according to the invention with a free end (2) and a head (3), forming in each case an end face (4, 5) of the weld stud (1), comprises, at the head (3), a weld flange (6), having a substantially elliptical geometry with a main axis (7) and a secondary axis (8). As a result of this design of the weld flange geometry there is a particularly favourable formation of the welding current during welding by the lift and strike process leading to a high quality repeatable welded connection with a small quantity of pores. As the torques transmitted by the welded connection are substantially dependent on the length of the main axis (7) no disadvantages arise in this respect either with an elliptical weld flange compared to a circular weld flange. The weld stud (1) according to the invention is advantageously suited to the welding on a thin sheet metal.
    • 根据本发明的具有自由端(2)和头部(3)的焊接螺柱(1)在每种情况下形成焊接螺柱(1)的端面(4,5)包括在头部( 3),具有主轴线(7)和次轴(8)的基本椭圆形几何形状的焊接凸缘(6)。 作为焊接凸缘几何形状的这种设计的结果,通过升程和冲击过程在焊接期间特别有利地形成焊接电流,导致具有少量孔的高质量可重复焊接连接。 由于通过焊接连接传递的扭矩基本上取决于主轴线(7)的长度,在这方面,与圆形焊接凸缘相比,在椭圆焊接凸缘方面不存在缺点。 根据本发明的焊接螺柱(1)有利地适用于在薄金属片上的焊接。