CN106414054B - 微孔反射性纺织套筒及其制作方法 - Google Patents

微孔反射性纺织套筒及其制作方法 Download PDF

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CN106414054B
CN106414054B CN201580025858.6A CN201580025858A CN106414054B CN 106414054 B CN106414054 B CN 106414054B CN 201580025858 A CN201580025858 A CN 201580025858A CN 106414054 B CN106414054 B CN 106414054B
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wall
thin foil
weaving
outer layer
protective sleeve
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CN106414054A (zh
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M·陈
W·K·何
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Federal Mogul Powertrain LLC
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Abstract

提供了用于保护容纳在套筒内的伸长部件免受外部辐射热影响的管状套筒，以及管状套筒的制造方法。套筒包括形成可容纳伸长部件的空腔的管状纺织壁，以及被结合到所述纺织壁外表面的薄箔外层。薄箔外层具有微尺寸的微穿孔，微穿孔增强套筒在曲折路径上弯曲和行进但不导致薄箔外层撕破或断裂的能力。

Description

微孔反射性纺织套筒及其制作方法
相关专利申请的交叉引用
本专利申请要求2014年5月1日提交的、序列号为61/987,299的美国临时专利申请和2015年5月1日提交的、序列号为14/701,875的美国实用专利申请的权益，这些专利申请通过引用而整体并入本文。
发明背景
技术领域
本发明主要涉及用于保护伸长部件的纺织套筒，更具体地，涉及具有反射式外表面的纺织套筒。
背景技术
众所周知，管状纺织套筒可被用来对内部收纳的伸长部件，诸如线束、电缆、软管等等，提供保护。还已知在纺织套筒上施加各种类型的涂层，诸如通过喷溅、电镀或沉浸，以便在套筒上形成热反射表面。还知道，在套筒的外表面上施加上一层无孔薄箔，其中薄箔的外表面提供对抗辐射热的反射性阻挡层，由此对于下面的套筒材料和套筒内所容纳的伸长部件提供抵抗热传输的保护。虽然无孔薄箔层通常对于屏蔽套筒的材料和套筒内容物免受热的影响是有效的，但它限制套筒在不开裂和不撕破的条件下可以被弯曲的程度。
发明内容
提供了一种管状套筒，用于为套筒内容纳的伸长部件提供保护，以免受外部辐射热影响。套筒包部管状纺织内壁和薄箔外层，所述内部管状纺织壁形成大小可容纳伸长部件的空腔，所述薄箔外层被结合到所述纺织壁的外表面。薄箔外层带有微孔，其中微穿孔增强套筒在曲折路径上弯曲和行进而又不引起薄箔外层撕破或断裂的能力。而且，贯穿孔洞的微小尺寸并不牺牲或不影响微孔薄箔外层执行它的反射外部辐射热的预期功能的能力，由此与无孔薄箔层相比，对于被容纳在套筒的空腔内的伸长部件提供相同的或基本上相同的热保护。而且，通过使断裂或撕破的倾向性最小化，相对于非开孔薄箔层套筒，微孔薄箔层为套筒提供增强的持久性和寿命预期。
按照本发明的另一方面，微穿孔可以在几乎整个薄箔层上具有大致均匀的密度。
按照本发明的另一方面，微穿孔的直径范围可以在约50-300微米之间。
按照本发明的另一方面，微穿孔的直径范围可以在约50-100微米之间。
按照本发明的另一方面，微穿孔的密度在约每平方英寸300-340孔之间。
按照本发明的另一方面，纺织内壁可以由交织的纱线细丝形成。
按照本发明的另一方面，纺织内壁可以由非织造材料形成。
按照本发明的另一方面，微孔的薄箔外层可以是围绕纺织内壁螺旋缠绕的。
按照本发明的另一方面，微孔的薄箔外层可以具有以互相结合的关系重叠的相对边缘。
按照本发明的另一方面，纺织内壁可以是闭合的、无接缝的周向连续壁。
按照本发明的另一方面，纺织内壁可以是具有沿长度延伸的、被偏置成互相重叠关系的相对边缘的开放壁。
按照本发明的另一方面，具有微穿孔的薄箔带可以被施加在重叠边缘之间形成的至少一部分接缝上。
按照本发明的另一方面，提供了构建用于为套筒内容纳的伸长部件提供保护以免受外部辐射热影响的管状套筒的方法。该方法包括形成具有相对的内表面和外表面的套筒的纺织内壁。该方法还包括使薄箔外层结合到外表面，内表面保持被配置成限定一个空腔，该空腔的大小用于在其中接纳伸长部件。再者，该方法包括提供具有微孔孔洞的薄箔外层，其中微孔孔洞为套筒提供在曲折路径上被弯曲和行进但又不导致薄箔外层撕破或断裂的能力。
按照本发明的另一方面，方法可以包括将微穿孔形成为在整个薄箔层上具有大致均匀的密度。
按照本发明的另一方面，方法包括将微穿孔形成具有范围在约50-300微米之间的直径，更优选在约50-100微米之间的直径。
按照本发明的另一方面，方法包括造成密度在约每平方英寸300-340孔之间的微尺寸孔。
按照本发明的另一方面，方法可包括由交织的纱线细丝形成纺织内壁。
按照本发明的另一方面，方法可包括由非织造材料形成纺织内壁。
按照本发明的另一方面，方法可包括围绕纺织内壁螺旋缠绕薄箔外层。
按照本发明的另一方面，方法可包括将纺织内壁形成为闭合的、无接缝周向连续壁。
按照本发明的另一方面，方法可包括把纺织内壁形成为开放壁，该开放壁具有沿套筒的长度延伸的、偏移成互相重叠的关系的相对边缘。
附图说明
鉴于以下对目前的优选实施例和最佳模式的详细说明、所附权利要求和附图，本领域技术人员将很容易看到本发明的这些与其它方面、特性和优点，在附图中：
图1是按照本发明的一个方面构建的保护性纺织套筒的示意性透视图，显示所述纺织套筒绕受保护免受外部辐射热影响的伸长部件布置；
图1A是图1所示套筒的、按照本发明的一个方面构建的内壁的局部视图；
图1B是图1所示套筒的、按照本发明的一个方面构建的内壁的局部视图；
图2是大致沿图1的线2-2截取的截面图；
图3是按照本发明的另一个方面构建的保护性纺织套筒的示意性透视图，显示所述纺织套筒绕受保护免受外部辐射热影响的伸长部件布置；
图4是按照本发明的另一个方面构建的保护性纺织套筒的示意性透视图，显示所述纺织套筒绕受保护免受外部辐射热影响的伸长部件布置；
图5是按照本发明的另一个方面构建的保护性纺织套筒的示意性透视图，显示所述纺织套筒绕受保护免受外部辐射热的伸长部件布置；以及
图6是按照本发明的另一个方面构建的保护性纺织套筒的示意性透视图，显示所述纺织套筒绕受保护免受外部辐射热的伸长部件布置。
具体实施方式
更详细地参照附图，图1显示按照本发明的一个实施例构建的管状纺织套筒，此后称为套筒10，用于保护，作为示例而非限制，容纳在套筒10内的、诸如软管、线、线束11等伸长部件免受外部辐射热损害。套筒10具有内壁12，在图1中被显示为无接缝的周向连续壁，反射性外层14结合到内壁12的外表面。内壁12具有内表面，该内表面限定中心空腔16，空腔16的大小适于在其中接纳伸长部件11，其中空腔16沿中心纵轴18在套筒10的两个相对末端20，22之间轴向延伸。反射性外层14为内壁12和伸长部件11提供对抗外部辐射热的热屏障，由此保护伸长部件11免于不想要地暴露于外部辐射热之下。反射性外层14作为最外层被提供，优选作为薄箔层，诸如铝，作为示例而非限制，其具有微穿孔24。微穿孔24增强套筒10在曲折路径上被弯曲和行进而又不引起薄箔外层撕破或断裂的能力。而且，通过微穿孔24被做成微尺寸，通过实验发现，按照本发明所形成的孔洞24不牺牲或以其他方式降低薄箔外层14执行其预期的、反射外部辐射热的功能，由此为容纳在套筒10的空腔16内的伸长部件11提供绝缘保护。而且，通过使在薄箔外层14中造成裂开或撕破的可能性最小化，相对于非开孔薄箔层的套筒，薄箔外层14为套筒10提供了增强的耐久性和寿命期望值。
根据要被保护的伸长部件11的应用场合和尺寸，内壁12被构建成具有任何适当的长度和直径。内壁12可以由任何适当的、交织的纱线细丝(图1A)，包括单丝和/或多丝,经由编织、针织、交织编结构建而成，具有想要的交织图案，用于打算的应用，或由非纺织材料12’(图1B)构建而成。因此，内壁12可被构建成具有各种不同的结构特性和配置。
薄箔外层14作为标准厚度的可缠绕薄箔被提供，其具有微尺寸的微穿孔24，直径范围在约50-300微米之间，更优选地，直径范围在约50-100微米之间，在一个例子中，被形成为具有50微米的直径。孔洞24被形成在整个薄箔外层14上或大致整个薄箔外层14上，其上具有每平方英寸约300-340个孔之间的、大致均匀的密度，在一个例子中，被形成为具有每平方英寸约320个孔的、大致均匀的密度。发现孔洞24的大小和密度为套筒10提供增强的柔韧性，与非开孔的薄箔片相比，诸如在沿曲折路径被弯曲或行进时，以及在保持薄箔外层14的辐射率的同时，不会使薄箔外层14在使用时撕破或裂开，由此完全能保护内壁12和在套筒10空腔16内的伸长部件11免于暴露到外部辐射热之下。薄箔外层14可以矩形薄片的形式被提供，薄片的尺寸适于像“卷烟”那样绕着内壁12缠绕，使得薄箔外层14的两个相对边缘23，25具有重叠地互相结合的关系，如图2最好显示的，或它可以适当宽度的伸长带条的形式被提供，然后绕着内壁12螺旋缠绕，如想要的那样(图3)。任何适当的粘合剂均可被用于将薄箔外层14结合到内壁12的外表面。
在图4中显示了按照本发明的另一方面构建的套筒110，其中相同的标号(偏差100的因子)被用来表示相同的特征。
套筒110具有内壁112，内壁112被构建为可缠绕的壁，可被形成为自缠绕的、“卷烟”型的壁，如果想要的话。这样，内壁12具有在套筒110的两个相对末端120，122之间大致平行于中心纵轴118延伸的相对末端26，28，其中相对末端26，28形成互相重叠的关系，以周向限定中心空腔116。在诸如由交织的纱线细丝(图1A)或非织造材料(图1B)形成内壁112以后，如以上讨论的，壁112可以用薄箔外层114层压，其中薄箔外层114由同样的金属薄箔材料形成，具有如上所述相同的微尺寸的孔洞124的尺寸和密度，优选在整个薄箔外层114上具有相同的尺寸和密度。在把薄箔外层114层叠在内壁112的外表面上以后，层叠的壁可以被缠绕成管状形式，使得相对的边缘26，28互相重叠。如果内壁124至少部分由可热定形的材料形成，无论是由非织造材料或是由交织的纱线细丝形成的，内壁112可被热定形成自缠绕配置，这样相对边缘26，28在没有外部施加的力的情况下自动偏移成互相重叠的关系。如果内壁114由交织的纱线细丝形成，则至少某些周向延伸的纱线细丝可以作为可热定形的纱线细丝被提供，以便于把内壁114热定形成管状配置。通过薄箔外层114完全覆盖内壁112的外表面，保证套筒110的整个周界被薄箔外层114覆盖。这就是说，应当看到，相对边缘26，28可保持自由，以被外部施加的力偏移而沿其长度打开套筒110，以便围绕伸长部件111放置套筒，或将套筒110从伸长部件111移除，诸如在保养期间。
按照本发明的另一方面，如图5所示，如果想要的话，可以沿由重叠的边缘26，28形成的至少一部分接缝或整个接缝，加上具有与以上讨论的、相同的孔洞124尺寸、图案和密度的薄箔带30的开孔带条，以便完全密封重叠边缘26，28之间的接缝。这样，开孔的薄箔带30可以作为单个带条以大致平行于轴118的关系被施加到整个重叠边缘26，28，以防止相对边缘26，28意外分开，以及防止污染物进入。另外，如图6所示，应当认识到，开孔薄箔带30的单个带条可以围绕套筒110周向缠绕，如果想要的话，由此防止相对的边缘26，28意外分开。
应当认识到，按照本发明构建的套筒10，110适合于在各种各样的应用中使用，而无论所需要的尺寸和长度如何。例如，它们可被用于汽车、船舶、工业、航空或航天应用，或其中想要保护性套筒保护邻近部件免受热辐射影响的任何其它应用。
应当理解，以上的详细说明关于某些现有的优选实施例，本领域技术人员从这里的公开内容可容易地想到的其它实施例应当结合到本文中并被认为是属于任何最终允许的权利要求的范围内。

Claims (24)

1.一种保护性套筒，用于保护容纳在所述套筒内的伸长部件免受外部辐射热的影响，所述保护性套筒包括：
具有外表面和内表面的纺织内壁，所述内表面被配置成限定用于接纳伸长部件的空腔；以及
薄箔外层，所述薄箔外层被结合到所述纺织内壁的外表面，所述薄箔外层具有微穿孔；
所述微穿孔的直径在50-300微米之间，所述微穿孔的密度每平方英寸300-340个孔之间。
2.如权利要求1所述的保护性套筒，其特征在于，所述微穿孔在大体整个所述薄箔外层上具有大致均匀的密度。
3.如权利要求1所述的保护性套筒，其特征在于，所述微穿孔的直径在50-100微米之间。
4.如权利要求1所述的保护性套筒，其特征在于，所述纺织内壁具有在相对末端之间沿所述套筒的纵轴延伸的相对边缘，所述相对边缘以互相重叠的关系绕所述纵轴缠绕。
5.如权利要求4所述的保护性套筒，其特征在于，所述纺织内壁被热定形，从而将所述相对边缘偏置成互相重叠的关系。
6.如权利要求4所述的保护性套筒，其特征在于，所述纺织内壁由交织的纱线细丝形成。
7.如权利要求4所述的保护性套筒，其特征在于，所述纺织内壁由非纺织材料形成。
8.如权利要求4所述的保护性套筒，其特征在于，所述重叠的相对边缘形成沿所述纺织内壁长度的接缝，并且所述保护性套筒还包括结合到所述接缝的至少一部分上的薄箔带，所述薄箔带具有微穿孔。
9.如权利要求8所述的保护性套筒，其特征在于，所述薄箔带越过大体整个所述接缝延伸。
10.如权利要求1所述的保护性套筒，其特征在于，所述纺织内壁是周向连续的。
11.如权利要求10所述的保护性套筒，其特征在于，所述薄箔外层具有互相重叠的相对边缘。
12.如权利要求10所述的保护性套筒，其特征在于，所述薄箔外层围绕所述纺织内壁螺旋缠绕。
13.一种构建用于保护容纳在套筒内的伸长部件免受外部辐射热影响的保护性套筒的方法，所述方法包括：
形成具有外表面和内表面的纺织内壁，所述内表面被配置成限定用于接纳伸长部件的空腔；以及
将薄箔外层结合到所述纺织壁的外表面，所述薄箔外层具有微穿孔；
所述方法还包括将所述微穿孔形成为具有在50-300微米之间的直径，并且具有在每英寸300-340孔之间的密度。
14.如权利要求13所述的方法，其特征在于，所述方法还包括将所述微穿孔形成为在大体整个所述薄箔外层上具有大致均匀的密度。
15.如权利要求13所述的方法，其特征在于，所述方法还包括将所述微穿孔形成为具有在50-100微米之间的直径。
16.如权利要求13所述的方法，其特征在于，所述方法还包括将所述纺织内壁形成为具有在相对末端之间沿着所述纺织内壁的纵轴延伸的相对边缘，并且绕着所述纵轴以彼此重叠的关系缠绕所述相对边缘。
17.如权利要求16所述的方法，其特征在于，所述方法还包括热定形所述纺织内壁，以将所述相对边缘偏置成互相重叠的关系。
18.如权利要求16所述的方法，其特征在于，所述方法还包括用交织的纱线细丝形成所述纺织内壁。
19.如权利要求16所述的方法，其特征在于，所述方法还包括用非织造材料形成所述纺织内壁。
20.如权利要求16所述的方法，其特征在于，所述方法还包括把具有微穿孔的薄箔带结合到所述相对边缘之间形成的至少一部分接缝上。
21.如权利要求20所述的方法，其特征在于，所述方法还包括把所述薄箔带结合在本质上整个所述接缝上。
22.如权利要求13所述的方法，其特征在于，所述方法还包括将所述纺织内壁形成为周向连续的。
23.如权利要求22所述的方法，其特征在于，所述方法还包括以互相重叠的关系结合所述薄箔外层的相对边缘。
24.如权利要求22所述的方法，其特征在于，所述方法还包括围绕所述纺织内壁螺旋缠绕所述薄箔外层。
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