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    • 44. 发明授权
    • Multi-diameter tube coupling
    • 多直径管接头
    • US06988747B2
    • 2006-01-24
    • US10394343
    • 2003-03-20
    • Kirk AllenLino De Los SantosBradley HelzerChristopher KeeJohn E. Thompson
    • Kirk AllenLino De Los SantosBradley HelzerChristopher KeeJohn E. Thompson
    • F16L21/06
    • F16L37/0987F16L37/091F16L47/32
    • A multi-diameter tube coupling is provided for interconnecting flexible plastic tubing of the type used in drip irrigation systems and the like, wherein the tube coupling is adapted for use with a range of different tubing sizes. The tube coupling includes a central body defining an internal flow path, with a retainer collet mounted thereon at each open end of the flow path to capture a seal member having a compliant, pressure-activated seal lip. The retainer collet includes an annular array of lock fingers for unidirectional slide-fit locked reception of one end of a length of tubing within a range of different sizes, with the seal lip engaging the tubing to provide a substantially leak-proof connection. Alternatively, the collet lock fingers accommodate slide-fit locked reception of a barbed swivel adapter, with the seal lip engaging the adapter to provide a substantially leak-proof connection.
    • 提供了一种多直径管接头,用于将用于滴灌系统中的类型的柔性塑料管相互连接,其中管接头适用于一系列不同的管尺寸。 管联接器包括限定内部流动路径的中心体,其中在流路的每个开放端安装有保持器夹头,以捕获具有顺应的压力激活的密封唇的密封构件。 保持器夹头包括用于单向滑动配合的环形阵列,用于在不同尺寸的范围内的一段管道的一端进行单向滑动配合锁定,其中密封唇与管道接合以提供基本上防漏的连接。 或者,夹头锁定手指容纳有倒钩的旋转适配器的滑动配合锁定接收,其中密封唇与适配器接合以提供基本上防漏的连接。