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    Pipe-end-connecting joint
    1.
    发明授权
    Pipe-end-connecting joint 失效
    管端连接接头

    公开(公告)号：US06659510B1

    公开(公告)日：2003-12-09

    申请号：US09383982

    申请日：1999-08-26

    申请人： Hiroshi Ikegami ,  Yasuhiro Kikumori ,  Toshihiro Nakanishi ,  Susumu Okairi ,  Nobuo Shindo ,  Tatsuya Machino

    发明人： Hiroshi Ikegami ,  Yasuhiro Kikumori ,  Toshihiro Nakanishi ,  Susumu Okairi ,  Nobuo Shindo ,  Tatsuya Machino

    IPC分类号： F16L3300

    CPC分类号： F16L33/23 ,  F16L21/005 ,  F16L25/0036 ,  Y10S285/903

    摘要： A pipe-end-connecting joint comprisse a nipple 1 inserted in the pipe end, a holder 2 for tightening the outer circumference of the pipe end, and an elastic packing 3 divided into half parts and attached in the holder 2. The nipple 1 includes a tubular portion 11 provided in one longitudinal end side thereof so as to be inserted in the pipe end, a connection portion 12 provided in the other longitudinal end side thereof so as to be connected to another joint, and a flange portion 13 provided in a longitudinal intermediate portion thereof so as to protrude outward. The holder 2 is divided longitudinally into two split parts 2A and 2B so that each of the two split parts 2A and 2B has an semicircularly formed inner circumferential surface 21, and each of the two split parts 2A and 2B has one longitudinal end side in which one of the half parts of the elastic packing is mounted, and has the other longitudinal end side in which a ring-like groove 23 is formed so as to be fitted to the flange portion 13, and further has a longitudinally intermediate portion between the one and the other longitudinal end sides in which a spiral corrugated portion 22 is formed along the outer circumferential surface of the pipe P, the spiral corrugated portion 22 having a spiral protruding portion 24 an inner diameter of which is smaller than an outer diameter of a trough portion r of the pipe P, the two split parts 2A and 2B having holes for insertion of connection bolts.

    摘要翻译： 管端连接接头包括插入管端的接头1，用于紧固管端外周的保持器2和分成半部分并附接在保持器2中的弹性衬垫3。 一个管状部分11，其设置在一个纵向端侧以插入管端;连接部分12，设置在另一个纵向端侧，以便连接到另一个接头;以及凸缘部分13， 其纵向中间部分向外突出。 保持器2纵向分成两个分割部分2A和2B，使得两个分割部分2A和2B中的每一个具有半圆形的内圆周表面21，并且两个分割部分2A和2B中的每一个分别具有一个纵向端侧，其中， 安装弹性衬垫的一半部分，并且另一个纵向端侧形成有环形槽23，以便与凸缘部分13配合，并且还具有一个纵向中间部分 以及沿着管P的外周面形成有螺旋波纹部22的另一纵向端侧，螺旋形波纹状部22具有内径小于槽P的外径的螺旋形突出部24 管P的部分r，两个分割部分2A和2B具有用于插入连接螺栓的孔。

    Porous pipe and apparatus and method of producing the same
    2.
    发明授权
    Porous pipe and apparatus and method of producing the same 失效
    多孔管及其制造方法

    公开(公告)号：US06905286B2

    公开(公告)日：2005-06-14

    申请号：US10094627

    申请日：2002-03-12

    申请人： Hiroyuki Masui ,  Tatsuya Machino ,  Syoji Hirao ,  Akihiro Fujii ,  Keiji Nakamata

    发明人： Hiroyuki Masui ,  Tatsuya Machino ,  Syoji Hirao ,  Akihiro Fujii ,  Keiji Nakamata

    IPC分类号： E02B11/00 ,  A01G25/02 ,  E03F1/00 ,  E03F3/04 ,  F16L9/06 ,  F16L9/12 ,  F16L11/11

    CPC分类号： A01G25/02

    摘要： A porous pipe having an excellent absorbing and draining function, a producing apparatus capable of producing a porous pipe at high speed and low cost, and a method of producing a porous pipe are provided. The porous pipe is a pipe formed by spirally winding a tape. The pipe is formed by a hole forming portion 13 for forming a recess or a notch or a hole in the tape 2 molded by a tape molding portion 11, and the hole forming portion 13 is located between the tape molding portion 11 and a pipe forming portion 12 so that the tape 2 is molded, holes 6 are formed, and a pipe 1 is formed continuously. The holes 6 are formed into a predetermined shape by elongating the hole 6 from a side of the pipe forming portion 12. In the pipe 1 formed thereby, a peripheral wall portion of the hole 6 is gradually thin-walled toward an outer peripheral face of the hole.

    摘要翻译： 具有优异的吸收排水功能的多孔管，能够高速，低成本地制造多孔管的制造装置和多孔质管的制造方法。 多孔管是通过螺旋卷绕带形成的管。 该管由孔形成部分13形成，用于在由带成型部分11模制的带2中形成凹槽或凹口或凹口，并且孔形成部分13位于带成型部分11和成形管 部分12，使得带2被模制，形成孔6，并且连续地形成管1。 通过从管形成部12的一侧延伸孔6，将孔6形成为规定的形状。 在由此形成的管1中，孔6的周壁部朝向孔的外周面逐渐薄壁化。