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    • 1. 发明申请
    • MECHANICAL PIPE COUPLING DERIVED FROM A STANDARD FITTING
    • 机械接头从标准配件中取出
    • WO2006009614A2
    • 2006-01-26
    • PCT/US2005/019863
    • 2005-06-07
    • VICTAULIC COMPANY OF AMERICAWILK JR., Charles E.CUVO, Anthony, J.SUN, JianyongDOLE, Douglas, R.
    • WILK JR., Charles E.CUVO, Anthony, J.SUN, JianyongDOLE, Douglas, R.
    • F16L39/00
    • F16L37/091
    • A coupling for joining pipe segments together is disclosed. The coupling is derived from a standard fitting and has a housing with a socket and an expanded region adjacent to the socket. Three shoulders are positioned within the expanded region. A sealing member and two support washers are positioned within the expanded region, each engaging a shoulder. A retainer is positioned in the expanded region between the two support washers. A lip, positioned at the end of the expanded region, extends radially inwardly and captures the sealing member, washers and retainer within the coupling. The retainer has a plurality of radial teeth angularly oriented to engage a pipe and prevent its removal from the coupling. One of the washers is kept in spaced relation from the other washer by a shoulder to prevent contact with the retainer upon assembly which may otherwise inhibit the teeth engaging the pipe.
    • 公开了用于将管段连接在一起的联接器。 联轴器来自标准配件,并且具有带有插座的壳体和与插座相邻的扩展区域。 三个肩膀位于扩张区域内。 密封构件和两个支撑垫圈位于扩张区域内,每个接合肩部。 保持器位于两个支撑垫圈之间的扩张区域中。 位于膨胀区域端部的唇缘径向向内延伸,并将联接器内的密封构件,垫圈和保持器捕获。 保持器具有多个径向齿,其成角度地定向以接合管并防止其从联接件移除。 其中一个垫圈通过肩部与另一个垫圈保持间隔开,以防止在组装时与保持器接触,否则可能会阻碍接合管道的齿。
    • 2. 发明申请
    • GASKET FOR PIPE COUPLING AND PIPE COUPLING INCORPORATING SAME
    • 用于管道连接和管接头的垫圈
    • WO2004097270A2
    • 2004-11-11
    • PCT/US2004/013689
    • 2004-04-23
    • VICTAULIC COMPANY OF AMERICASUN, JianyongTHAU, Lawrence, Jr.
    • SUN, JianyongTHAU, Lawrence, Jr.
    • F16J
    • F16L21/065F16L17/04
    • The present invention relates to leak preventing gaskets contemplated for use with segmented pipe couplings, which generally include a pair of coupling segments adapted to receive a gasket which surrounds a pair of pipes to join the pipes together or to join a nipple or fitting to the pipe by tightening a pair of bolts and related fasteners with a corresponding pair of bolt pads on the segments. The couplings contemplated for use with the gasket of the present invention includes types which are adapted to attach grooved and flared end pipes, or non-grooved pipes in sealed relation to withstand fluid at temperatures up to and including 230°F and higher, and at pressures of up to 1,000 psi. Although such pipes generally conduct water up to about 230°F, they may also be used for toxic and volatile chemicals. The gasket of the present invention is of the ring-type which is made of an elastomeric material such as synthetic or natural rubber or combinations thereof, and preferably, ethylene polypropylene diene monomer, commonly referred to as "EPDM". The gasket provides improved sealing through a pair of sealing flanges having relatively planar and expansive inner walls, shorter sealing lips, and particular dimensional relationships with the grooved pipe ends. The invention also relates to a coupling incorporating such gaskets, as well as a method of providing a sealed coupling.
    • 本发明涉及预期用于分段管接头的防漏垫片,其通常包括一对联接段,其适于接收围绕一对管道的垫圈,以将管道连接在一起或将管接头或接头连接到管道 通过一对螺栓和相关的紧固件与相应的一对螺栓垫紧固在一起。 与本发明的垫圈一起使用的联接器包括适于将开槽和扩口端管或非开槽管密封连接的类型,以在高达和高于230°F及更高的温度下承受流体,并且在 压力高达1,000 psi。 虽然这样的管道通常将水引入高达约230°F,但也可用于有毒和挥发性化学品。 本发明的垫圈是由诸如合成或天然橡胶或其组合的弹性体材料制成的环形型,优选通常被称为“EPDM”的乙烯聚丙烯二烯单体。 垫圈通过一对具有相对平坦和膨胀的内壁,较短的密封唇以及与带槽的管端的特定尺寸关系的密封凸缘提供改进的密封。 本发明还涉及一种包括这种垫片的联轴器以及提供密封联接器的方法。