CN107429864A - 用于形成内联三壁联接连接件的方法 - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/12861—Stepped joint cross-sections comprising at least one bevelled joint-segment comprising at least two bevelled joint-segments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16L11/20—Double-walled hoses, i.e. two concentric hoses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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Abstract
一种管联接,该管联接用于三壁波纹塑料管,三壁波纹塑料管包括三壁波纹承接口连接件,该三壁波纹是与波纹塑料管的一端成一体的构造。该承接口连接件强度更高,并且与两壁波纹插口配合提供高强度联接。该联接包括承接口连接件和被制成与波纹管内联的插口。一种用于制造管的方法,该方法包括随着外部第三壁被固定至该处,控制在所形成的两壁波纹管外侧的空气压力。
Description
技术领域
本发明涉及波纹管以及用于形成具有三壁构造和内联连接件的波纹塑料管的方法。
背景技术
在我们之前的美国专利6,399,002中公开了三壁波纹管和特定于三壁管的制造方法,美国专利8,820,801中示出了具有三壁插口的三壁波纹管的进一步变形。
专利6,399,002公开了用于形成三壁波纹管的制造方法,三壁波纹管中第三外壁被应用于预先形成的两壁波纹管。该两壁波纹管使用具有两个压模出口和一系列往复模具块的挤压设备被生产,该一系列往复模具块在制造塑料管期间随着塑料管一起移动。模具块限定管的外波纹形状,模具块也帮助熔化的塑料冷却。内壁一般被应用于波纹外壁。内壁是管形形状或者柱形形状,并且设置有固定至波纹外壁内缘的管的平滑内部壁。双壁插口和双壁承接口连接件(具有接收插口的尺寸)被普遍用于将一个管段联接至另一个。
制造具有双壁构造的波纹塑料管的目的在于提供管的良好的强度和耐久性,特别是相对于管坍塌或者压碎时的强度和耐久性。
对于很多应用,希望制造这类在管段的一端处是插口且在管段的相对端处是承接口连接件(bellmouth connector)的管,从而形成允许将一个管段联接至另一个管段的一体的构造。基本上机械类密封是经由将一个管段的插口***第二管段的承接口连接件中而形成的。
制造两壁波纹管时的正常作业是使用循环模具块在挤压管期间对管定形,并且在选择性的点形成两个管段之间的联接,在该点与管的联接是整体或者一体的。该联接包括实质上在邻近的管段之间一个在另一个之后的承接口连接件和分离的插口。在下游位置处,联接被切割成将承接口连接件从插口释放,以使插口被附接至管的一段,而承接口连接件被附接至管的不同段。一般,承接口连接件和插口之间存在管的转换部,该转换部在切割承接口连接件和插口期间从被挤压的管移除。
双壁波纹管相对较强,然而对于一些应用,被期望提供附加强度。波纹的尺寸和壁厚可以被增加,以提供附加强度,但是壁更厚的管段影响制造速度和产品成本。更大的波纹需要不同的模具块,这导致高的投入成本。同样公知的是,使用真空罐和尺寸压模以附接外部的管形的第三外壁,以加强和增加双壁波纹管的强度。
双壁和三壁波纹塑料管都相对较强,然而管段的最大额定值常常由承接口连接件和插口联接的强度限制,在该联接中,一个管段的插口被***另一个管段的承接口连接件中。用于这些联接的额定载荷可以显著减少管总体的额定强度。
因此希望,提供高强度的承接口连接件和插口联接,这通过与管的连续制造内联而被制造。
申请人发现,如果承接口连接件包括三壁波纹壁构造则可以增加承接口连接件/插口联接的强度。这类三壁波纹连接承接口连接件利用双壁插口结构而被有利地使用。与双壁插口结合的三壁承接口连接件形成高强度联接,因而增加了管段的额定强度。
发明内容
根据本发明的加强波纹塑料管包含具有第一端和第二端的细长波纹管段。插口被形成在管段的第一端处,承接口连接件被形成在管段的第二端处,这些作为制造管的一部分。插口尺寸定成用于接收在承接口连接件中,从而允许一个管段被联接至第二管段,以延续管的长度。细长波纹管段、插口和承接口连接件具有形成平滑内管的内壁和附接至内壁且该内壁在波纹塑料管的长度方向上延伸的波纹中间壁。管段的内壁和插口的内壁尺寸和形状相同,并且当插口被***承接口连接件中时对齐。波纹管段和承接口连接件进一步包括附接至波纹中间壁且定位成与内壁相对的平滑外壁。
根据本发明的一方面,承接口连接件的波纹中间壁连同承接口连接件的内壁和外壁一起形成交替系列的双内壁部和双外壁部。插口的波纹中间壁形成一系列隔开的双内壁部,并且包括尺寸定成接收波纹外表面上的密封环的第一接收谷。第一接收谷与插口的一端隔开,并且被定位成使得,当第二波纹塑料管的插口被完全地***第一波纹管段的承接口连接件中时,第一接收谷被定位成与第一支撑顶相对,从而形成承接口连接件的双内壁部。
根据本发明的一方面,承接口连接件的外壁与波纹管段的外壁具有相同的直径。
在本发明的又进一步方面中,插口的波纹器壁包括用于接收吊环(密封环)的第二接收谷。第二接收谷与第一接收谷隔开,并且定位成使得,当第二管段被完全地***第一管段中时,第一接收谷和第二接收谷被定位成分别与所述承接口连接件的第一支撑顶和第二支撑顶相对。第二支撑顶形成承接口连接件的双内壁部。
在本发明的又进一步方面中,第一支撑顶和第二支撑顶由强化顶分离,用于形成承接口连接件的双内壁部。当被完全地***第一管段的承口连接件(bell connector)中时,第二管段的插口具有定位成与谷相对的强化顶,从而形成插口的双内壁部。
在本发明的又进一步方面中,第一支撑顶和第二支撑顶长度都大于强化顶的长度。
在本发明的又进一步方面中,双内壁支撑顶的长度至少是强化顶的双内壁的长度的一又二分之一倍。
本发明也针对一种管联接,当两个管段通过管段之一的一端上的插口和另一管段的一端上的承接口连接件而被机械地连接时,该管联接形成。每个管段包括平滑内壁,附接至平滑内壁的波纹中间壁,和附接至波纹中间壁且与平滑内壁相对的平滑外壁。承接口连接件尺寸定成接收另一管段的插口并且与另一管段的插口形成机械连接。承接口连接件和插口都具有平滑内壁和附接至平滑内壁的波纹中间壁。承接口连接件也包括附接至中间波纹壁并且大致与平滑内壁相对的外壁。承接口连接件的波纹中间壁与内壁和外壁分别形成交替系列的双内壁部和双外壁部。插口具有平滑内壁和附接至平滑内壁外侧的波纹壁。插口的长度足以被完全地接收,并且大致延伸的长度为承接口连接件的全长,并且包括在插口的顶外部上的至少两个密封环,该至少两个密封环与承接口连接件的内壁接合并且与承接口连接件的内壁形成支撑表面。
在本发明的进一步方面中,插口包括定位在插口的波纹之一上并且延伸超出插口的波纹的第一接收谷,第一接收谷在所述谷中接收密封环。当插口被完全地***承接口连接件中时,接收谷被定位成与由承接口连接件的双内壁部形成的支撑顶相对。
本发明也针对一种在三壁波纹管中形成内联联接的方法,该三壁波纹管具有结合至波纹中间壁的管形的平滑内壁,该波纹中间壁被结合至外套筒壁。联接包括承接口连接件和尺寸定成用于接收在承接口连接件中的插口。该方法包含设置与波纹管模具块内联的联接模具块,并且随着所述联接模具块移动经过中间壁压模出口,使用联接模具块将被挤压的通常形成波纹中间壁的塑料向外拉,从而形成承接口连接件的波纹中间壁和所述插口的波纹壁。空气压力被用以将被挤压的通常形成内壁的塑料抵靠所述承接口连接件的所述波纹中间壁的内表面且抵靠所述插口的所述波纹壁的内表面向外移动。随后,将通常形成外套筒壁的塑料,应用至与所述承接口连接件的所述波纹中间壁的外表面结合以桥接在其波纹之间,并且随着插口移动经过塑料的出口,设置正压力以维持通常形成管的外套筒壁的塑料远离插口的波纹外表面,以使塑料远离插口而被向外隔开。
根据该方法的一方面,内联联接包括双壁波纹插口和与此关联的承接口连接件,两者都包括柱形内壁,柱形内壁被定位成与三壁波纹管的柱形内壁对齐,并且承接口连接件具有尺寸定成在其中接收插口的内壁。该方法包含使用与挤压设备组合的一系列行进模具块,用于形成管段的内壁与承接口连接件和插口的波纹壁。在形成内壁和波纹壁之后,将外套筒壁应用结合至管段和承接口连接件的波纹壁。提供空气压力从而维持被应用的外套筒壁向外隔开且不与插口的波纹壁接触,随后从插口上方的区域去除外套筒壁。
在该方法的又进一步方面中,提供了所形成的三壁管在每个联接处被切割从而分离插口和承接口连接件的切割步骤。
在本发明的又进一步方面中,该方法包括,在挤压外套筒壁从而将外套筒壁接合和定位成与管段的波纹壁和承接口连接件的波纹壁接触之后,使用真空罐和尺寸衬套形成与管段所形成的波纹的波纹的密封。
附图说明
本发明的优选实施例在附图中示出,其中:
图1是一个管段具有承接口连接件和另一管段示出其插口连接的两个管段的局部视图;
图2是图1的两个管段的组装版本,其中一个管段的插口被***第二管连接的承接口连接件中并且与之联接;
图3是示出在切割邻近于其中部的连接件之前制造带有内联连接的三壁管,从而形成一端处是插口的管段和其一端处是承接口连接件的不同管段的局部立体图;
图4是示出在两个位置具有连接切口的两个管段的局部视图,从而一次性切割部被移除;
图5至图8示出用于形成带有三壁承口连接的三壁波纹管段的特定结构和方法;以及
图9A、图9B、图9C和图9D示出双壁承口连接、三壁承口连接、双壁承口和插口组件以及三壁承口和插口组件。
具体实施方式
图1和图2示出两个管段20和22与联接4,联接4包括在工作现场用于联接管段的承接口连接件8和插口6。这些管段从图3所示的波纹管2切割。
图3示出在制造之后且在切割波纹管以形成单独管段之前的波纹管2的一部分。管段20和22示出内联联接4的细节,内联联接4包括承接口连接件8和插口6两者,其中插口被设计成被接收在第二管段的承接口连接件8中。
在制造之后波纹管2在内联联接4的中心位置处被切割若干次。倒角切割40设置连接套筒8的逐渐变细抛光的外缘,并且将管段20从波纹管分离。插口切割42一般是在波纹之间穿过管的直线切割,从而在插口6的一端处设置双壁厚度缘。考虑到倒角切割40和插口切割42,废弃部44被移除且被回收。此外,进行进一步的套筒壁切割46,从而允许将外套筒壁部48从插口6上方去除。
图1示出在管段的一端处具有承接口连接件8的管段20和具有插口6的管段22的所得到的管段20和22。管段20在该管段的相对端处具有插口,类似地,管段22在该管段的相对端(未示出)处具有承接口连接件8。
利用本布置,插口的密封壁(即外侧壁)和承接口连接件的内壁被形成为初始的双壁形成步骤的一部分。然后,附加的外部加强壁被应用于远离承接口连接件/插口接口的表面。此布置优选为,联接的密封表面被更好地控制,主要有助于插口适配进承接口连接件中的表面并不直接是第三壁附加部的一部分。
可以具有是两个承接口连接件的内联联接4以及是两个插口的进一步内联联接,然而这需要附加模具块,如附图所示的具有插口和承接口连接件的内联联接是优选的。
双壁波纹管的制造(即,波纹管的内壁54和插口与管段的波纹壁56和插口的波纹壁58组合)是公知的。此外,具有这种带有固定至管段的波纹壁56外侧的外套筒壁10的管段也是公知的,并且随着波纹被有效地桥接或者横跨在管段的内侧缘和外侧缘上而提供附加强度。在这种三壁管中从插口上方去除废弃的外套筒壁部48也是公知的。
如图1至图4所示的承接口连接件8的特定波纹壁结构是新的,并且改善了结构性能。当与插口8一起使用时,该承接口连接件有利地提供了强度增加的联接。
承接口连接件8包括向外移位的内壁60、波纹套筒壁62和外套筒壁10。添加波纹壁62并且以特定方式设置波纹具有若干益处。初始且主要的益处是当插口6被***承接口连接件8中时承接口连接件8的附加强度以及总体联接的附加强度。
波纹管的总体强度相对较高,特别地,三壁波纹管由于内壁54、波纹56和外套筒壁10而强度高。不幸地是,虽然管段具有高强度,特别地相对于挤压时具有高强度,但是使用这种双壁或者三壁管的内联联接则强度更低,因而用于管段的额定值被减少。插口与承接口连接件8的波纹壁组合的特定结构增加联接的强度,因而管段上的额定值被显著增加。而且,承接口连接件8具有附加刚度,在可压缩的密封构件一般被设置在插口上接合插口和承接口连接件8的内侧壁两者以形成密封的情况下,该刚度是有利的。这种压缩密封由承接口连接件8阻止向外移动且插口阻止向内移动而维持。
双壁非波纹承接口连接件甚至是三壁非波纹承接口连接件的先前实践没有能够提供如附图所示和如本申请所述的波纹壁承接口连接件和插口联接的更高强度(假定类似数量的材料)。
已发现,如图2所示的承接口连接件8具有波纹壁的两个管段的联接显著改善结构整体性和强度。现有技术以及本组合的相对强度以相关术语在图9中示出。
如图1和图2所示,波纹插口6和承接口连接件8具有特定构造和形状。插口的第一波纹202和第二波纹204每个分别包括谷206和208,优选地,接收可压缩的O型密封环。当如图2所示插口被联接至承接口连接件时,这些谷206,208与承接口连接件的向内延伸的浅波纹210,212相对。这些波纹210,212设置有与用于接收O型密封环的谷相对的延伸密封表面以及加强密封表面。深度相同的更小的波纹被设置在波纹210,212之间,并且提供附加的刚性。波纹210,212的宽度比波纹214大三至四倍。
不同的密封布置可以被使用,例如,一些安装者更喜欢使用位于波纹之间的一个以上的更大的O型环。对于一些应用,一个谷中放置单个O型环是足够的。
承接口连接件的自由端216包括一系列类似于波纹器214的波纹218,并且设置有刚性的开口端段。
插口包括与一系列波纹218相对且与之配合的内波纹220。
图5至图8示出用以将外套筒壁应用于预先形成的两壁波纹管的装置。压模工具100包括用于将外套筒壁应用于波纹管的压模出口102,也包括空气压力出口104。空气压力出口包括连接至可变的空气压力供给108的空气压力通道106。此外,压模工具100包括所关联的密封布置110(被应用在管周围),密封布置110允许压模工具和预先形成的波纹管在二者之间形成腔室,从而允许该腔室的压力在外套筒壁应用于预先形成的波纹管期间被改变。优选地,压模工具100长度比波纹管的连接套筒8长,以简化密封。
在图5中,随着波纹管移动通过压模工具且通过真空罐和尺寸衬套,外套筒壁10被应用于管并且越过管的大波纹。真空罐120在内部表面上由尺寸衬套122闭合。尺寸衬套具有允许真空源被应用于被挤压的外套筒壁并且也保证外套筒壁与波纹接触的一系列部分。可以看到,管的波纹之间的空间受制于空气压力,空气压力由可变的空气压力源108确定,这允许正的空气压力被导入而对波纹之间的空腔加压。该布置减少了当三壁管被冷却时出现的热变形(向内偏移)。在外套筒壁被应用之前对空腔加压,密封空腔特别是外套筒壁受到的变形较少,否则由于形成之后管的冷却会出现变形。经由增加压力,热变形的量被减小。
在图6中,可以看到,预先形成的双壁波纹管移动经过压模出口102,套筒壁10被应用于套筒的预先形成的波纹壁。考虑到波纹套筒壁62接近压模出口102的情况下,压力是次要的,但是压力大致被维持在用于如图5所示在波纹处形成的压力。
也可以看到,在图5、图6和图7中,随着管移动经过,密封布置110接合管的波纹。这允许控制相对于压模工具100内部的空间的压力。该密封限制或者阻断大气压力。在图7中,可以看到,连接套筒8正要移动经过压模出口102,从压模出口出来的连接壁10或者塑料将在内联连接件的插口部上方。这可以通过查看图7和图8而理解。
在图8中,插口在压模出口102下方,希望将连接壁维持成抵靠尺寸衬套122并且远离插口的波纹。外壁的这部分将在随后的下游步骤中被切除,因此,非常希望控制塑料以使其不粘附或者接触插口的波纹。基本上,插口的波纹可以在上游形成过程中由模具块高精度地形成,这些波纹与连接套筒的内部高精度表面配合,从而允许管之间的连接,并且不被外套筒壁影响。
已发现,当连接壁在插口的波纹上方时,希望减少提供的通过空气压力出口104的压力。
随着管段的全部波纹的下一排移动经过压模出口,提供至压模工具100的空腔的空气压力将会再次被增加。
已发现,在附接至管的大波纹且附接至波纹连接套筒外侧期间,用于控制外套筒壁的该布置是有益的。此外,将该外套筒壁维持成远离插口的波纹也简化了随后的切割步骤。
插口上方的外套筒壁被维持成不与插口接触,并且随后被去除。也可以使用滑动旁通阀转移被挤压的塑料,借以在挤压过程期间去除塑料。
图9A至图9D示出当被制成双壁波纹管(图9A)、三壁承接口管连接件(图9B)和承接口连接件是三壁构造且插口是双壁构造的优选布置(图9D)时具有相同壁厚的承接口管连接件。图9C是双壁承接口连接件和双壁插口。该结构的结构相对强度是:
图9A RStiff=1.7KN/m2
图9B RStiff=3.0KN/m2
图9C RStiff(当被连接时)=11.9KN/m2
图9D RStiff(当被连接时)=18.5KN/m2
连接元件的相对强度明显更高,承接口连接件自身也有增加的强度。如图9A所示,承接口连接件包括带有在承接口连接件的长度方向上隔开的围闭小气腔的波纹。即使壁厚稍微大于没有空腔的双壁的厚度,该结构也增加强度。
虽然本文已经详细地描述了本发明的各种优选实施例,但是对于本领域内的技术人员,可以理解,在不偏离附加权利要求所限定的本发明的范围的情况下,可以做出变化。
Claims (18)
1.一种用于加强波纹塑料管的组件,其特征在于,包含:
第一管段和第二管段,所述第二管段意欲被机械地联接至所述第一管段;
每个管段包含:
第一端和第二端;
插口,所述插口与所述管段的所述第一端一体且被形成在所述管段的所述第一端处;和
承接口连接件,所述承接口连接件与所述管段的第二端一体且被形成在所述管段的第二端处,并且尺寸用于接收插口;
所述管段、所述插口和所述承接口连接件具有形成平滑内管的内壁和附接至所述内壁且在所述管段的长度方向上延伸的波纹中间壁;
所述管段的所述内壁和插口的所述内壁尺寸相同,并且当所述第一管段的所述插口被联接至所述第二管段的所述承接口连接件时,定形成对齐;
所述管本体和所述承接口连接件进一步包括附接至与所述内壁相对的所述波纹中间壁的平滑外壁。
2.如权利要求1所述的用于波纹塑料管的组件,其特征在于,所述插口的所述波纹中间壁包括第一接收谷,所述第一接收谷中间有用于接收密封环的波纹;
所述第一接收谷与插口的端部隔开,并且被定位成当所述第一管段的插口被第二管段的所述承接口连接件接收时,所述第一接收谷被定位成邻近于所述承接口连接件的所述中间壁的第一支撑波纹;
所述第一支撑波纹与所述承接口连接件的所述内壁形成双壁,并且在所述第一支撑波纹和所述承接口连接件的所述外壁之间具有封闭腔。
3.如权利要求1或2所述的用于加强波纹塑料管的组件,其特征在于,所述承接口连接件的所述外壁和所述管本体的所述外壁尺寸相同,并且当所述插口被***所述承接口连接件中时,定形成对齐。
4.如权利要求2或3所述的用于加强波纹塑料管的组件,其特征在于,所述插口的所述中间波纹壁包括第二接收谷,所述第二接收谷中间有用于接收密封环的第二波纹;
所述第二接收谷与所述第一接收谷隔开,并且被定位成当所述第一管段的所述插口被完全地***所述第二管段的所述承接口连接件中时,所述第一接收谷和第二接收谷被定位成分别邻近于所述第一支撑波纹和第二支撑波纹;并且
所述第二支撑波纹与所述承接口连接件的所述内壁形成双壁,并且在所述第二支撑波纹和所述承接口连接件的所述外壁之间具有封闭腔。
5.如权利要求4所述的用于加强波纹塑料管的组件,其特征在于,所述承口连接件的所述第一支撑波纹和所述第二支撑波纹由强化波纹分离;其中
当所述第一管段的所述插口被完全地***所述第二管段的所述承接口连接件中时,所述强化波纹被定位成邻近于所述插口的所述波纹中间壁中的谷;
所述强化波纹与所述承接口连接件的所述内壁形成双壁,并且在所述强化波纹和所述承接口连接件的所述外壁之间具有封闭腔。
6.如权利要求5所述的用于加强波纹塑料管的组件,其特征在于,所述第一支撑波纹和所述第二支撑波纹的长度都大于所述强化波纹的长度。
7.如权利要求6所述的用于加强塑料管的组件,其特征在于,所述双内壁支撑顶的长度至少是双内壁强化顶的长度的1.5倍。
8.一种结合第一管段和第二管段的联接,其特征在于,每个管段包括内壁、附接至所述内壁的波纹中间壁、和附接至所述波纹中间壁且与所述内壁相对的外壁,所述联接包含:
承接口连接件,所述承接口连接件与所述第一管段的一端成一体;
插口,所述插口与所述第二管段的一端成一体;
所述承接口连接件具有内壁、附接至所述内壁的波纹中间壁、和附接至所述中间波纹壁且与所述内壁相对的外壁;
所述插口被接收在所述承接口连接件内,并且具有内壁和附接至所述内壁外侧的波纹壁;
所述插口的所述内壁与所述第一管段的所述内壁尺寸相同,并且定形成与所述第一管段的所述内壁对齐。
9.如权利要求8所述的联接,其特征在于,所述插口的所述波纹壁包括第一接收谷,第一接收谷中间有用于接收密封环的波纹;所述第一接收环与所述插口的一端隔开,并且被定位成邻近于所述承接口连接件的所述中间波纹壁中的第一支撑波纹;
所述第一支撑波纹与所述承接口连接件的所述内壁形成双壁,并且在所述第一支撑波纹和所述承接口连接件的所述外壁之间具有封闭腔。
10.如权利要求8或9所述的联接,其特征在于,所述承接口连接件的所述外壁与所述第二管段的外壁尺寸相同,并且定形成与所述第二管段的所述外壁对齐。
11.如权利要求9或10所述的联接,其特征在于,所述插口的所述波纹壁包括第二接收谷,所述第二接收谷中间有用于接收第二密封环的第二波纹;
所述第二接收谷与所述第一接收谷隔开,并且被定位成使所述第一接收谷和所述第二接收谷被定位成分别邻近于所述第一支撑波纹和第二支撑波纹;并且
所述第二支撑波纹与所述承接口连接件的内壁形成双壁,并且在所述第二支撑波纹和所述承接口连接件的所述外壁之间具有封闭腔。
12.如权利要求11所述的联接,其特征在于,所述第一支撑波纹和所述第二支撑波纹由所述承接口连接件的所述中间波纹壁中的强化波纹分离;
所述强化波纹被定位成邻近于所述插口的所述波纹壁中的谷,并且与所述承接口连接件的所述内壁形成双壁,并且在所述强化波纹和所述承接口连接件的所述外壁之间具有封闭腔。
13.如权利要求12所述的联接,其特征在于,所述第一支撑波纹和所述第二支撑波纹的长度都大于所述强化波纹的长度。
14.如权利要求13所述的联接,其特征在于,所述第一支撑波纹和所述第二支撑波纹的长度至少是所述强化波纹的长度的一又二分之一倍。
15.一种在三壁波纹管中形成内联联接的方法,其特征在于,所述三壁波纹管具有管形的平滑内壁,所述内壁被结合至波纹中间壁,所述波纹中间壁被结合至外套筒壁;
所述联接包括承接口连接件和尺寸为用于接收在所述承接口连接件中的插口;
所述方法包含,设置与波纹管模具块内联的联接模具块,并且随着所述联接模具块移动经过中间壁压模出口,使用所述联接模具块将通常形成所述波纹中间壁的被挤压塑料向外拉,从而形成所述承接口连接件的波纹中间壁和所述插口的波纹壁;
使用空气压力将通常形成所述内壁的被挤压塑料抵靠所述承接口连接件的所述波纹中间壁的内表面且抵靠所述插口的所述波纹壁的内表面向外移动;并且
随后,应用通常形成所述外套筒壁的塑料以与所述承接口连接件的所述波纹中间壁的外表面结合,从而在其波纹之间桥接,并且随着所述插口移动经过所述塑料的出口,设置正压力以维持通常形成所述管的所述外套筒壁的塑料远离所述插口的波纹外表面,以使所述塑料远离所述插口而被向外隔开。
16.一种形成三壁波纹管段的方法,所述三壁波纹管段的管段之间是内联联接,其特征在于,所述内联联接包括双壁波纹插口和所关联的承接口连接件,二者包括柱形内壁,所述柱形内壁被定位成与所述三壁波纹管的柱形内壁对齐,并且所述承接口连接件具有尺寸为在其中接收插口的内壁;
所述方法包含使用与挤压设备、所述承接口连接件和所述插口组合的一系列行进模具块,所述挤压设备用于形成所述管段的所述内壁和所述波纹壁;
在形成所述内壁和所述波纹壁之后,应用结合至所述管段和所述承接口连接件的所述波纹壁的外套筒壁;
提供空气压力,以维持被应用的所述外套筒壁向外被隔开且不与所述插口的所述波纹壁接触,随后从插口上方的区域去除所述外套筒壁。
17.如权利要求16所述的方法,其特征在于,包括在每个联接处切割所述形成的三壁管,分离所述插口和所述承接口连接件。
18.如权利要求16所述的方法,其特征在于,包括与所述管段所形成的所述波纹的波纹形成密封,和在挤压所述外套筒壁之后,设置真空罐和尺寸衬套,其将所述外套筒壁接合并且定位成与所述管段的所述波纹壁和所述承接口连接件的所述波纹壁接触。
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CA2872849A CA2872849A1 (en) | 2014-11-28 | 2014-11-28 | Method for forming inline triple wall coupling connector |
PCT/CA2015/000585 WO2016082024A1 (en) | 2014-11-28 | 2015-11-27 | Method for forming inline triple wall coupling connector |
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JP (1) | JP2018513317A (zh) |
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AU (1) | AU2015354340A1 (zh) |
BR (1) | BR112017011225A2 (zh) |
CA (1) | CA2872849A1 (zh) |
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CN113459782A (zh) * | 2020-03-30 | 2021-10-01 | 福士汽车配套部件责任有限公司 | 流体单元和制造流体单元的方法 |
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CA2884988A1 (en) * | 2015-03-11 | 2016-09-11 | Manfred A. A. Lupke | Pipe coupling tolerant of pipe movement |
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US11034073B2 (en) | 2021-06-15 |
EP3224521A4 (en) | 2018-08-22 |
RU2017120207A (ru) | 2018-12-28 |
CA2872849A1 (en) | 2016-05-28 |
MX2017006856A (es) | 2018-02-09 |
US20170321829A1 (en) | 2017-11-09 |
BR112017011225A2 (pt) | 2018-03-27 |
WO2016082024A1 (en) | 2016-06-02 |
AU2015354340A1 (en) | 2017-06-15 |
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JP2018513317A (ja) | 2018-05-24 |
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