Weldable pipe fittings and methods of forming the same
    2.
    发明公开
    Weldable pipe fittings and methods of forming the same 失效
    焊接及其制备管接头和过程

    公开(公告)号:EP0730118A3

    公开(公告)日:1998-02-11

    申请号:EP96301207.5

    申请日:1996-02-22

    IPC分类号: F16L47/02

    CPC分类号: B29D23/005 F16L47/03

    摘要: The invention provides a weldable plastics pipe fitting in which a groove, at least the majority of which is helical or spiral, is disposed in or on a fusion wall 19 of the fitting, from an outer part to an inner part thereof and an electrical heating wire 17,23 is located within the groove and connected at each end to an input/output terminal 18,22, wherein a lead-in portion of the groove is disposed entering from the outer part of the fitting to the inner part, and a lead-in portion 17 of the electrical wire located therein is buried beneath the surface of the fusion wall 19 throughout at least the majority of its length at a depth which at its least is substantially more than the diameter of the heating wire, and wherein a helical or spiral portion 23 of the groove continuing from the lead-in portion thereof runs from the inner part of the fitting to the outer part, the heating wire laid therein being located such as to be at or adjacent the surface of the fusion wall 19 of the fitting, the terminals 18,22 for each end of the heating wire being disposed on the fitting at or adjacent the outer part thereof, and the helical or spiral portion of the groove, and the wire disposed therein, overlying the lead-in portion of the wire 17 and the groove.

    Weldable pipe fittings and methods of forming the same
    4.
    发明公开
    Weldable pipe fittings and methods of forming the same 失效
    Schweissrohrverbindung und Verfahren zu ihrer Herstellung

    公开(公告)号:EP0730118A2

    公开(公告)日:1996-09-04

    申请号:EP96301207.5

    申请日:1996-02-22

    IPC分类号: F16L47/02

    CPC分类号: B29D23/005 F16L47/03

    摘要: The invention provides a weldable plastics pipe fitting in which a groove, at least the majority of which is helical or spiral, is disposed in or on a fusion wall 19 of the fitting, from an outer part to an inner part thereof and an electrical heating wire 17,23 is located within the groove and connected at each end to an input/output terminal 18,22, wherein a lead-in portion of the groove is disposed entering from the outer part of the fitting to the inner part, and a lead-in portion 17 of the electrical wire located therein is buried beneath the surface of the fusion wall 19 throughout at least the majority of its length at a depth which at its least is substantially more than the diameter of the heating wire, and wherein a helical or spiral portion 23 of the groove continuing from the lead-in portion thereof runs from the inner part of the fitting to the outer part, the heating wire laid therein being located such as to be at or adjacent the surface of the fusion wall 19 of the fitting, the terminals 18,22 for each end of the heating wire being disposed on the fitting at or adjacent the outer part thereof, and the helical or spiral portion of the groove, and the wire disposed therein, overlying the lead-in portion of the wire 17 and the groove.

    摘要翻译: 本发明提供了一种可焊接的塑料管件,其中至少大部分是螺旋形或螺旋形的槽,从其外部部分到内部设置在配件的熔化壁19中或上, 导线17,23位于凹槽内并且在每一端处连接到输入/输出端子18,22,其中凹槽的导入部分从配件的外部部分进入内部,并且 位于其中的电线的引入部分17在其至少大体上大于加热丝的直径的深度的至少大部分长度上被掩埋在熔融壁19的表面下方,并且其中a 从导入部分延伸的槽的螺旋或螺旋部分23从配件的内部延伸到外部部分,放置在其中的加热丝线位于熔融壁19的表面或其附近 的fitt 在加热线的每个端部处的端子18,22设置在其外部部分处或其邻近部分处的配件上,并且槽的螺旋或螺旋部分和布置在其中的线覆盖在 电线17和槽。

    Plastics pipe fittings
    5.
    发明公开
    Plastics pipe fittings 失效
    VerbindungsteilfürKunststoffrohre。

    公开(公告)号:EP0506355A1

    公开(公告)日:1992-09-30

    申请号:EP92302554.8

    申请日:1992-03-25

    IPC分类号: F16L41/06 F16L47/00

    CPC分类号: F16L47/345 F16L41/06

    摘要: A tapping tee (1) for plastics pipes includes a saddle (2) portion adapted to be secured and sealed upon the pipe (3); a hollow stack (5) extending outwardly from the saddle (2) portion; an outlet tube opening (27) transversely from the stack (5); a cutting device disposed within the stack (5) having an annular cutting head (12), the device being movable axially along the stack (5) to engage the wall of the pipe to be cut, and being rotatably within the stack (5) to effect a cutting action by the cutting head (12) said stack (5) having an internal shoulder (7) limiting movement of the cutting device along the stack (5) away from the saddle; and an end cap (10) for securing upon the open end (16) of the stack (5) after completion of the cutting operation.

    摘要翻译: 用于塑料管的水龙头(1)包括适于固定和密封在管道(3)上的鞍座(2)部分; 从鞍座(2)部分向外延伸的中空叠层(5); 与堆叠(5)横向的出口管开口(27); 设置在所述堆叠(5)内的具有环形切割头(12)的切割装置,所述装置可沿所述堆叠(5)轴向移动以接合待切割的管的壁,并且可旋转地位于所述堆叠(5)内, 通过切割头(12)实现切割动作,所述堆叠(5)具有内部肩部(7),限制切割装置沿堆叠(5)远离鞍座的运动; 以及用于在完成切割操作之后固定在堆叠(5)的开口端(16)上的端盖(10)。

    Weldable pipe fittings and pipe joints formed therewith
    6.
    发明公开
    Weldable pipe fittings and pipe joints formed therewith 失效
    SchweissbareRohranschlussstückeund damit hergestellte Rohrverbindungen。

    公开(公告)号:EP0505083A1

    公开(公告)日:1992-09-23

    申请号:EP92302101.8

    申请日:1992-03-11

    IPC分类号: F16L47/02

    摘要: A weldable pipe fitting (1) includes a sleeve member (2) of thermoplastic material, the sleeve member (2) having a stress resistant portion (10) of greater wall thickness, a terminal portion (11,12) of greater wall thickness, and a fusion accommodating portion (8,9) of lesser wall thickness between the stress resistant portion (10) and the terminal portion (11,12), wherein the stress resistant portion (10) is arranged in use to overlie the end of the pipe (17,18) to be connected to the pipe fitting; the stress resistant portion of the sleeve has a standard dimensional ratio within the range of no less than 8:1 and no more than 12:1, the terminal portion of the sleeve has a standard dimensional ratio within the range of of no less than 8:1 and no more than 12:1, and the fusion accommodating portion has a standard dimensional ratio within the range of no less than 14:1 and no more than 19:1; and the internal wall of the sleeve is provided with an electric heating wire (3,4) or wires along and within the wall and disposed circumferentially thereof adjacent the radially inner surface of the wall, said heating wire or wires being disposed over a length of the sleeve at least the majority of which is within the fusion accommodating portion thereof.

    摘要翻译: 一种可焊接管件(1)包括一个热塑性材料的套筒件(2),该套管件(2)具有一个较大壁厚的耐应力部分(10),一个更大壁厚的端部(11,12) 以及在所述应力抵抗部分(10)和所述端子部分(11,12)之间具有较小壁厚的熔化容纳部分(8,9),其中所述抗应力部分(10)布置在使用中以覆盖所述端部 管道(17,18)连接管件; 套筒的抗应力部分的标准尺寸比在不小于8:1且不超过12:1的范围内,套筒的端部具有在不小于8的范围内的标准尺寸比 1和不超过12:1,熔融容纳部分的标准尺寸比在不小于14:1且不超过19:1的范围内; 并且套筒的内壁设置有电加热丝(3,4)或沿着壁并且在壁内并且沿其周向设置在壁的径向内表面附近,所述加热丝或线被设置在一定长度上 所述套筒至少大部分在其熔融容纳部分内。