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    • 5. 发明申请
    • PERMANENT FITTING FOR FLUID-TIGHT CONNECTIONS
    • 用于流体连接的永久接头
    • WO1997021953A1
    • 1997-06-19
    • PCT/US1996019891
    • 1996-12-16
    • VANESKY, Frank, W.
    • F16L47/02
    • B29C65/542B29C65/4895B29C66/1222B29C66/1224B29C66/5221B29C66/5223B29C66/52241B29C66/52292B29C66/52296B29C66/52297B29C66/71F16L13/116F16L47/02Y10S285/915Y10T403/473B29K2055/02B29K2027/06
    • A pipe connector has a coupling (22) with a first cylindrical land (34), a second cylindrical land (36), and a third cylindrical land (38). There is a first annular recess (42) defined between the first cylindrical land (34) and the second cylindrical land (36), and a second annular recess (44) defined between the second cylindrical land (36) and the third cylindrical land (38). A gate channel (50) communicates between the two recesses (42, 44) through the second cylindrical land (36). Circumferential seals (46, 48) extend around the first and third cylindrical lands (34, 38). A cement injection port (52) communicates between the outside of the connector of the first recess (42), and a cement vent port (54) communicates between the outside of the connector and the second recess (44). In use, a pipe (24) is inserted into the coupling to rest upon the three lands (34, 36, 38), and cement is forced into the injection port (52). The cement flows circumferentially around the first annular recess (42), through the gate opening (50), circumferentially around the second annular recess (44), and out through the vent port (54). The seals (46, 48) prevent the cement from flowing out of the interior of the connector.
    • 管连接器具有带有第一圆柱形凸台(34),第二圆柱形凸台(36)和第三圆柱形凸台(38)的联轴器(22)。 限定在第一圆柱形接地区(34)和第二圆柱形接地区(36)之间的第一环形凹部(42)和限定在第二圆柱形接地区(36)和第三圆柱形接地区 38)。 门通道(50)通过第二圆柱形平台(36)在两个凹部(42,44)之间连通。 环形密封件(46,48)围绕第一和第三圆柱形凸台(34,38)延伸。 水泥注入口(52)在第一凹部(42)的连接器的外部连通,并且水泥排出口(54)在连接器的外部和第二凹部(44)之间连通。 在使用中,管(24)插入联接器中以搁置在三个平台(34,36,38)上,并且水泥被迫进入注入口(52)。 水泥浆围绕第一环形凹槽(42)周向地围绕第二环形凹槽(44)周向地流过门开口(50),并通过排放口(54)流出。 密封件(46,48)防止水泥从连接器的内部流出。