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    • 95. 发明申请
    • Method of Producing a Flexible Pipe and a Flexible Pipe
    • 柔性管和柔性管的生产方法
    • US20080258350A1
    • 2008-10-23
    • US12089321
    • 2006-10-10
    • Inger-Margrete Procida
    • Inger-Margrete Procida
    • H05B6/00F16L11/00
    • B29C47/022B29C47/0023B29C47/0026B29C47/0038B29C47/021B29C47/065B29D23/001B29K2023/06B29K2023/0691B29K2305/00B29L2009/003B29L2023/005Y10T428/1393
    • The invention relates to a method of producing a flexible pipe comprising a metal carcass and an internal sealing sheath extruded onto the carcass, said method comprising providing a metal carcass; heating an application section of said carcass, preferably using induction heating, to an application section temperature of at least 150° C.; extruding a non-cross-linked polyethylene material comprising a peroxide having an activation temperature above 150° C. onto said application section of said carcass; cross-linking the extruded polyethylene in a cross-linking zone by raising its temperature to at least the activation temperature of said peroxide by exposing the extruded polymer material to electromagnetic waves, with a wavelength of between 0.5 μm to 0.5 m, preferably infrared radiation; and cooling said cross-linked polyethylene material to obtain the internal sealing sheath. In a preferred embodiment the method comprises heating the application section to an application section temperature of between 30 and 5° C. below the activation temperature of the peroxide. Preferred peroxides include butylcumyl peroxide, dicumyl peroxide, 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexyne-3,3,3,5,7,7-Pentamethyl-1,2,4-trioxepane, hydroperoxide, 2,5-dimethyl hexane 2,5-di-t-butyl peroxide, bis(t-butylperoxy isopropyl)benzene, t-butyl cumyl peroxide, di-t-butyl peroxide, 2,5-dimethyl hexine-3 2,5-di-t-butyl peroxide and butylhydroperoxide. A foil may be applied onto the metal carcass prior to the step of heating the metal carcass, the polyethylene material being extruded onto said foil.
    • 本发明涉及一种生产柔性管的方法,该柔性管包括金属胎体和挤压在胎体上的内部密封护套,所述方法包括提供金属胎体; 将所述胎体的施加部分优选地使用感应加热加热至至少150℃的施加部分温度; 将包含活性温度高于150℃的过氧化物的非交联聚乙烯材料挤出到所述屠体的所述施用部分上; 通过将挤出的聚合物材料暴露于波长为0.5μm至0.5μm之间的电磁波,优选红外辐射,将其温度升高至至少所述过氧化物的活化温度,从而在交联区域交联挤出的聚乙烯; 并冷却所述交联聚乙烯材料以获得内部密封护套。 在一个优选实施方案中,该方法包括将施用部分加热到低于过氧化物的活化温度30至5℃的施用部分温度。 优选的过氧化物包括丁基枯基过氧化物,过氧化二异丙苯,2,5-二甲基-2,5-二(叔丁基过氧)己炔-3,3,3,5,7,7-五甲基-1,2,4-三氧杂环己烷,氢过氧化物 ,2,5-二甲基己烷2,5-二叔丁基过氧化物,双(叔丁基过氧异丙基)苯,叔丁基枯基过氧化物,二叔丁基过氧化物,2,5-二甲基己烯-3,2, 过氧化二叔丁基过氧化氢和丁基过氧化氢。 在加热金属胎体的步骤之前,箔可以施加到金属胎体上,聚乙烯材料被挤压到所述箔上。
    • 97. 发明申请
    • TUBE COUPLING
    • 管连接
    • US20080143106A1
    • 2008-06-19
    • US12035993
    • 2008-02-22
    • Jerry E. O'NeillCharlie Whitney
    • Jerry E. O'NeillCharlie Whitney
    • F16L39/00
    • F16L37/091B29C65/08B29C66/1122B29C66/52292B29C66/52296B29C66/52297B29C66/52298B29C66/534B29C66/5344B29C66/71F16K1/12F16L37/088B29K2023/0691B29K2023/18B29K2027/06
    • A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing. A fluid coupling having an outer housing with an internal bore, an O-ring seal fitted within the bore, a spacer bushing fitted against the seal, a first gripper ring fitted against the axially outer side of the spacer ring, a second gripper ring fitted against the O-ring seal, the gripper rings having axially and radially inwardly protruding circumferentially spaced gripping teeth, in one embodiment the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper rings, spacer bushing, and O-ring within the outer housing.
    • 一种具有外壳的流体联轴器,其具有内孔,安装在孔内的O形环,安装在O形环上的间隔衬套,与垫片环的轴向外侧相配合的夹环,夹持环具有轴向 并且径向向内突出的周向间隔开的夹紧齿,所述齿布置成当经受同时向后的轴向和旋转力时提供扭曲,以及将外壳中的夹持环,间隔套管和O形环保持的端部衬套。 一种具有外壳的流体联轴器,其具有内孔,配合在所述孔内的O型圈密封件,与所述密封件相配合的隔离衬套,与所述隔离环的轴向外侧相配合的第一夹环, 夹紧环具有轴向和径向向内突出的周向间隔开的夹紧齿,在一个实施例中,齿被布置成在受到同时向后的轴向和旋转力的同时提供扭曲,以及保持夹持环的端部衬套, 隔离套管和O形圈在外壳内。