公开(公告)号：EP0638749B1

公开(公告)日：1998-06-17

申请号：EP94305635.8

申请日：1994-07-29

申请人： VICTAULIC PLC

发明人： Hill, David John

IPC分类号： F16L11/04 ,  F16L9/12

CPC分类号： F16L11/045 ,  F16L9/121 ,  F16L2011/047

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

申请人： VICTAULIC PLC ,  RUTLAND PLASTICS LIMITED

发明人： Beechey, Robert Edward

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。

公开(公告)号：EP0728976A1

公开(公告)日：1996-08-28

申请号：EP96301208.3

申请日：1996-02-22

申请人： VICTAULIC PLC

发明人： Headford, Alan Lloyd

IPC分类号： F16L23/12 ,  F16L58/18 ,  B29C63/34

CPC分类号： F16L23/125 ,  B29B13/025 ,  B29C35/12 ,  B29C43/18 ,  B29C57/005 ,  B29C70/766 ,  B29L2031/24 ,  F16L47/14 ,  F16L58/182

摘要： The invention provides a pipe joint comprising first and second outer pipe members (1,2); means (3,4) for connecting first and second outer pipe members (1,2) in an end-to-end fashion so as to provide a fluid-tight seal therebetween, the fluid-tight seal being capable of withstanding internal pressures of at least 1000 psi; and, arranged within at least the first outer pipe member (1), a first inner liner pipe member (6) formed of a polymeric material; the liner pipe member (6) being provided at its end with a radially outwardly extending stub flange (8); an annular supporting hoop (12) being disposed in an annular groove (10) in the end face of the stub flange (8); the first and second outer pipe members (1,2) together defining on their respective radially inner surfaces an annular recess (5) for retaining the stub flange (8) of the liner pipe member (6) and for clamping the stub flange (8) in place to hold it against axial displacement.

摘要翻译： 本发明提供了一种包括第一和第二外管构件（1,2）的管接头; 用于以端到端的方式连接第一和第二外管构件（1,2）的装置（3,4），以便在其间提供流体密封的密封，所述流体密封可以承受内部压力 至少1000psi; 并且布置在至少第一外管构件（1）内，由聚合物材料形成的第一内衬管构件（6） 衬套管构件（6）在其端部处设置有径向向外延伸的短柱凸缘（8）; 环形支撑环（12）设置在所述短截线凸缘（8）的端面中的环形槽（10）中; 第一和第二外管构件（1,2）一起在其相应的径向内表面上限定用于保持衬套管构件（6）的短截线凸缘（8）并用于夹紧短截线凸缘（8）的环形凹部（5） ）到位以防止轴向位移。

公开(公告)号：EP0709612A1

公开(公告)日：1996-05-01

申请号：EP94307930.1

申请日：1994-10-27

申请人： VICTAULIC PLC

发明人： Harper, Brian

IPC分类号： F16L21/04 ,  F16L25/00

CPC分类号： F16L25/14 ,  F16L21/04

摘要： A pipe coupling (1) comprises an annular sleeve member (2) arranged in use at a free end thereof to overly an end of a plain ended pipe (3,4) to be connected by the coupling, the free end (13,14) of the sleeve member being inclined radially outwardly towards its end; an elastomeric annular sealing gasket (9,10) disposed at least partly within the inclined free end (13,14) of the sleeve member (2) and held in place by means of an annular compression flange member (5,6); the compression flange having a skirt portion (7,8), axially outwardly of the free end of the sleeve member, extending radially inwardly, and an axially inwardly extending collar portion (11,12) radially outwardly overlying the free end (13,14) of the sleeve member (2); the gasket (9,10) including, when in a relaxed condition, an axially outwardly directed rear surface (23,24) arranged in use to engage an axially inwardly directed face of the annular radially inwardly extending portion (7,8) of the flange member (5,6), a radially inner surface (27,28) extending generally axially inwardly of the coupling from a gasket heel to a gasket toe (34,35), and an inclined surface (32,33) extending generally between the two above mentioned surfaces of the gasket member (9,10) and arranged in use to engage the inclined surface (13,14) of the free end of the annular sleeve member (2); the inclined surface (32,33) of the gasket (9,10) being, in the relaxed condition, at a lesser angle than the inclined surface (13,14) of the free end of the sleeve member (2) with respect to the longitudinal axis of the coupling, and the rear surface (23,24) of the gasket (9,10) being slidable radially inwardly on the annually inner surface of the skirt portion (7,8) of the flange (56), radial inward movement or tendency thereof to move being limited by engagement between shoulder portions on the rear face of the gasket (9,10) and the axially inner surface of the flange member (5,6); and tightening means (19,20) associated with the compression flange member (5,6) for applying in use the compressive force on the gasket (9,10) whereby to ensure sealing of the gasket (9,10).

摘要翻译： 一种管接头（1）包括一个环形套筒件（2），该环形套筒件（2）在其自由端用于通过联接器连接的平端管（3,4）的一端，自由端（13,14 ）的套筒构件朝其端部径向向外倾斜; 至少部分地设置在套筒构件（2）的倾斜自由端（13,14）内并通过环形压缩凸缘构件（5,6）保持就位的弹性环形密封垫（9,10）; 所述压缩凸缘具有径向向内延伸的套筒构件自由端的轴向外侧的裙部（7,8）和径向向外覆盖自由端（13,14）的轴向向内延伸的套环部分（11,12） ）的套筒构件（2）; 所述垫圈（9,10）在处于松弛状态时包括轴向向外定向的后表面（23,24），所述后表面布置成在使用时接合所述环形径向向内延伸部分（7,8）的轴向向内指向的表面 凸缘部件（5,6），从垫圈根部到垫圈趾部（34,35）大体轴向向内延伸的径向内表面（27,28），以及大体上在中间延伸的倾斜表面（32,33） （9,10）的上述两个表面并且被设置成用于接合环形套筒构件（2）的自由端的倾斜表面（13,14）; 在松弛状态下，垫圈（9,10）的倾斜表面（32,33）的角度小于套筒构件（2）的自由端的倾斜表面（13,14）相对于 联轴器的纵向轴线和垫圈9,10的后表面23,24可在法兰56的裙部7,8的每年内表面上径向向内滑动， 向内移动或其移动倾向受到垫圈（9,10）的后表面上的肩部与凸缘构件（5,6）的轴向内表面之间的接合的限制; 和与所述压缩凸缘构件（5,6）相关联的紧固装置（19,20），用于在使用时将所述压缩力施加在所述垫圈（9,10）上，由此确保所述垫圈（9,10）的密封。

公开(公告)号：EP0638749A1

公开(公告)日：1995-02-15

申请号：EP94305635.8

申请日：1994-07-29

申请人： VICTAULIC PLC

发明人： Hill, David John

IPC分类号： F16L11/04 ,  F16L9/12

CPC分类号： F16L11/045 ,  F16L9/121 ,  F16L2011/047

摘要： The invention provides a pipe having a pipe wall comprising a polyolefin layer 21, and bonded thereto with no intervening adhesive layer a barrier layer 22 formed of a barrier material, which barrier material has enhanced resistance to the permeation therethrough of gaseous and/or hydrocarbon materials relative to the polyolefin; either the polyolefin layer or barrier layer or both having adhesive polymer units incorporated therein, in at least the region of an interface between the layers; the adhesive polymer units being present in a concentration effective to bond the polyolefin layer 21 to the barrier layer 22. In a preferred embodiment, the adhesive polymer units are contained within the barrier layer, which is preferably formed of a rubber-modified polyamide.

摘要翻译： 本发明提供了一种具有管壁的管道，该管道包括聚烯烃层21，并且在其上没有中间粘合剂层粘合阻挡层22，所述阻挡层22由阻挡材料形成，该阻隔材料对气态和/或烃材料的渗透性具有增强的抗性 相对于聚烯烃; 至少在层之间的界面的区域中，聚烯烃层或阻挡层或两者都具有并入其中的粘合聚合物单元; 粘合剂聚合物单元以有效将聚烯烃层21粘合到阻挡层22的浓度存在。在优选的实施方案中，粘合剂聚合物单元包含在阻挡层内，优选由橡胶改性的聚酰胺形成。

公开(公告)号：EP0459797B1

公开(公告)日：1995-02-08

申请号：EP91304887.2

申请日：1991-05-30

申请人： VICTAULIC PLC

发明人： Grant, Nicholas

IPC分类号： F16L49/02 ,  F16L17/02 ,  F16L21/00

CPC分类号： F16L21/03 ,  F16L47/10 ,  F16L49/02

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

申请人： VICTAULIC PLC ,  RUTLAND PLASTICS LIMITED

发明人： Wall, David John, Rounfields ,  Beechey, Robert Edward

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）。

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

申请人： VICTAULIC PLC ,  RUTLAND PLASTICS LIMITED

发明人： Wall, David John ,  Beechey, Robert Edward

IPC分类号： F16L47/02

CPC分类号： B29C65/342 ,  B29C65/3432 ,  B29C65/3476 ,  B29C66/1122 ,  B29C66/1142 ,  B29C66/5221 ,  B29C66/5229 ,  B29C66/71 ,  F16L47/03 ,  B29K2023/06

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。

公开(公告)号：EP0455464A3

公开(公告)日：1992-01-29

申请号：EP91303896.4

申请日：1991-04-30

申请人： VICTAULIC PLC

发明人： Rex, Brian ,  Davis, Francis Walter

IPC分类号： F16C17/04 ,  F16L21/06

CPC分类号： F16L17/04 ,  F16L23/08

摘要： A pipe coupling comprising a plurality of generally arcuate segments (1,2) adapted to abut one another end to end when fully made up; the segments (1,2) of the coupling being provided with two sets of axially separated keys extending radially inwardly thereof and adapted, in use, to engage in outer annular peripheral grooves (9,10) in the pipes (11,12) to be jointed by the coupling adjacent the ends thereof; an annular sealing gasket disposed between the keys for providing a seal for the pipes to be joined by the coupling; and means for coupling the segments together at their ends. The segment (1,2) ends have surfaces (5,6) for complementary mating one with another lying in a plane passing through the axis of the coupling and at right angles to the median plane of the coupling.

摘要翻译： 一种管接头，包括多个大致弓形的段（1,2），适于在完全构成时适于邻接彼此的端部; 联接器的节段（1,2）设置有两组径向向内延伸的轴向分离的键，并且在使用中适于与管道（11,12）中的外部环形周向槽（9,10）接合， 通过邻近其端部的联接来接合; 设置在键之间的环形密封垫圈，用于为通过联接器连接的管道提供密封; 以及用于在其端部将所述段联接在一起的装置。 段（1,2）端部具有用于互补配合的表面（5,6），其位于穿过联接器的轴线并且与联接器的中间平面成直角的平面中。

公开(公告)号：EP0459797A1

公开(公告)日：1991-12-04

申请号：EP91304887.2

申请日：1991-05-30

申请人： VICTAULIC PLC

发明人： Grant, Nicholas

IPC分类号： F16L49/02 ,  F16L17/02 ,  F16L21/00

CPC分类号： F16L21/03 ,  F16L47/10 ,  F16L49/02

摘要： A coupling for forming a pipe joint of the spigot and socket kind, in which the coupling defines a double socket, and includes a sleeve (5) adapted to receive within it from each end the spigot (3,4) of two pipes (1,2) to be connected therewith, the sleeve (5) having a reduced diameter portion both internally and externally at or adjacent its axial mid point; two resilient tubular clip members (9,10) of an internal diameter no less than the external diameter of the main portion of the sleeve (5), the clip members (9,10) having resilient radially inwardly turned shoulders (7,13) at or towards one end and being adapted to be slid upon the sleeve (5) one from each end such that the radially inwardly turned shoulders (7,13) clip into the reduced diameter portion of the sleeve (5), the clip members (9,10) each extending axially beyond the associated end of the sleeve (5) and having their axially outer ends a radially inwardly directed annular flange (15,16) of greater radial width than the wall of thickness of the sleeve (5), each of the flanges (15,16) connecting at their radially inner ends to an inwardly axially directed annular wall portion whereby to define with the axially outer ends of the sleeve (5) therewithin an annular necked recess; and a sealing member (21,22) located at each end of the coupling having a locating portion conforming to and disposed within the necked recess, and a sealing portion adapted in use on its radially outer side to sealingly engage with the inner surface of the sleeve (5) and on its radially inner side to sealingly engage with the spigot (3,4) of the pipe (1,2) to be connected.

摘要翻译： 一种用于形成插头和插座类型的管接头的联接器，其中联接器限定双重插座，并且包括套筒（5），套筒（5）适于从两端接收两根管子（1）的插口（3,4） ，2）与其连接，所述套筒（5）在其轴向中点处或其附近具有内径和外部的直径减小部分; 具有不小于套筒（5）的主要部分的外径的内径的两个弹性管状夹构件（9,10），夹子构件（9,10）具有弹性径向向内转的肩部（7,13） 在一端或朝向一端并且适于从每个端部滑动到套筒（5）上，使得径向向内转动的肩部（7,13）夹入套筒（5）的缩径部分，夹子构件 9,10）各自轴向延伸超过套筒（5）的相关端，并且使其轴向外端具有比套筒（5）的厚度更大的径向宽度的径向向内定向的环形凸缘（15,16） 每个凸缘（15,16）在其径向内端连接到向内轴向定向的环形壁部分，从而与其中的套筒（5）的轴向外端限定在环形颈部凹部中; 以及位于所述联接器的每个端部处的密封构件（21,22），所述密封构件具有与所述颈缩凹部相符并设置在所述颈缩凹部内的定位部分，以及密封部分，其适于在其径向外侧上与所述颈部凹部的内表面密封接合 套筒（5）和其径向内侧以与待连接的管道（1,2）的插口（3,4）密封地接合。