公开(公告)号：USD724704S1

公开(公告)日：2015-03-17

申请号：US29479622

申请日：2014-01-17

申请人： Carl Raymond Douglass, III ,  Jeremy N. Duininck

设计人： Carl Raymond Douglass, III ,  Jeremy N. Duininck

公开(公告)号：US07434850B2

公开(公告)日：2008-10-14

申请号：US11241192

申请日：2005-09-30

申请人： Jeremy N. Duininck ,  Michael L. Pluimer

发明人： Jeremy N. Duininck ,  Michael L. Pluimer

IPC分类号： F16L17/00

CPC分类号： F16L25/0045 ,  F16L25/0054 ,  F16L25/0063 ,  Y10S285/903

摘要： A bell and spigot coupling system is provided for joining corrugated plastic pipe which improves the coupling's sealing capability with increasing hydrostatic pressure, and causes a substantial component of the force generated therefrom to be absorbed axially through the coupled sections of adjoining pipe. The spigot end of one pipe which is received within a bell coupler for an adjoining pipe terminates in a small annular bed-forming rib which forms a gasket bed that holds a gasket compressed against a radially extending gasket sealing surface of the bell coupler. Inward protruding latches formed in the bell coupler engage the adjoining section of corrugated pipe to resist axial separation and hold the gasket compressed against the sealing surface of the bell coupler. The sealing surface of the bell coupler contours the spigot end of the adjoining pipe and forms radially constricting pathways at opposite sides of the gasket. The presence of either internal or external hydrostatic pressure on the coupling joint causes the gasket to wedge into one of the opposing radially constricted pathways, thus transferring the force generated by such pressure axially through the coupled sections of pipe.

摘要翻译： 提供了一种用于接合波纹塑料管的钟形和插口连接系统，其改善了耦合器的密封能力与增加的静水压力，并且使由其产生的力的相当大的部分通过相邻管的耦合部分被轴向吸收。 一个管子的接头端部被接收在一个邻接的管子的钟形连接器内，终止于一个小的环形床形成肋，该环形床形成肋形成一个垫圈床，该衬垫床保持压缩在喇叭形联接器的径向延伸垫圈密封表面上的衬垫。 形成在钟形联接器中的向内突出的闩锁接合波纹管的相邻部分以抵抗轴向分离并且保持垫圈抵抗钟形连接器的密封表面压缩。 喇叭耦合器的密封表面使相邻管的插口端部形成轮廓，并在垫片的相对侧形成径向收缩通道。 在联接接头上存在内部或外部流体静力压力会导致垫圈楔入相对的径向收缩路径中的一个，从而通过这种压力产生的力轴向地传递通过管的联接部分。