CN1833069A - 具有v字形导件的织物 - Google Patents
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Abstract
一种织物,其具有一个或多个导件,该导件附着于该织物的磨面上,从而包封该织物厚度的50%或更多。有利的是,导件与织物之间的附着机构是织物由导件的包封,而并非为材料之间的化学亲合性。因此,结合强度等于单独织物或单独导件材料的抗撕强度。
Description
技术领域
本发明涉及一种附着有导件的织物,具体地说其中所述附着机构为织物由导件包封。
背景技术
在造纸工业中有一种用于浓缩纸浆及纸料的装置。早期此种装置被称为圆网浓缩机。这些早期的装置使用网笼(cylinder mold),该网笼包括在浆液槽内旋转的多孔网笼,该多孔网笼具有经过控制的浆液输入量。水分通过网笼排出,从而浓缩随后被排出的剩余浆液。这种类型的装置的例子可参考美国专利No.4,106,980。
随后的常规浓缩机的改进可见于美国专利No.4,722,793。该专利描述了一种可避免使用网笼的装置。该专利采用单对表面平滑的辊子以及包裹在辊子周围的单一织物,使得单一织物大致包裹各辊子表面的180°。待浓缩的浆料最初被输送至织物内侧,在接近一个辊子的顶端流动,这使得纸浆被捕集于织物与辊子之间的区域并且环绕具有织物的辊子行进。离心力造成液体从捕集于织物与辊子之间的纸浆中通过织物挤出。
所得部分脱水的纸浆随后在较下部的织物上行进,达到另外一个辊子处,在该处同样也受到离心力,造成液体通过织物进一步挤出。在环绕两个辊子的表面行进后,从第二辊子表面取出纸浆。
为了引导织物在垂直于两个辊子轴线的轨道上移动,该织物沿其底面上的一个或两个边缘设置有V字形皮带形状的材料条带或导件。这种导件为配合在各辊子中的外周切槽而设计。
这种皮带制成与织物分离,并且机械地附着于织物上。然而,由于装置的高速运转,在织物上保持导件遭遇到困难。
致力于改善这种配置,美国专利No.5,039,412教导将V字形皮带导件缝合至织物,并且在织物的缝合区域设置粘合剂带。粘合剂的使用可将从织物侧面向内的较短距离延伸。此外,导件设置在织物的外侧边缘,使得导件位于辊子的外侧上而非位于辊子的切槽中。
在其他工业带装置的应用中,一些机器组构成没有任何经控制的机械主动引导系统。这些类型的机器需要引带织物,在磨面上具有非常稳固的V字形导件用来靠向辊子的外侧边缘做摩擦引导,或在辊子任一边缘或中央加工而成特定切槽。另外,织物必须在其磨面上保持较低的摩擦系数,以辅助机器的结合。
这些类型机器的通用工业标准包括具有V字形导件的渗透性织物,该V字形导件可通过以下四种方法之一或其组合来固定:1)使用各种不同类型的单丝线或复丝线将V字形导件缝合至织物上;2)选择胶合剂与V字形导件材料的适当组合以形成化学连结,将V字形导件胶粘至织物上;3)使用与制造V字形导件相同的材料填充织物结构,在加热时通过熔接而形成结合,并且在一定压力下紧密配合两表面;以及4)使用化学性质与V字形导件材料相容的材料向织物打底,在一定热量及压力下紧密配合两种结构时,可通过化学结合与热表面熔接的组合使V字形导件与织物粘结。
美国专利No.5,039,412(上文论述过)、5,558,926及5,840,378(随后论述)都教导了应用第一种、第二种及第三种方法。另外,第四方法已经用于并且继续用于制造不渗透性皮带/实心皮带调带装置。
可惜上述方法都存在某些缺点。例如,由于线的弯曲状态,以及由于在附着V字形导件的织物的暴露相对侧上的磨损,缝合法容易产生疲劳断裂。另一方面,第二种、第三种及第四种方法均依赖两个界面之间的表面结合,两个界面之间的表面结合是可利用的表面积及两种材料之间的化学亲合性的作用结果。尽管第二种方法至第四种方法都可避免第一种方法的磨损问题,然而在界面处的不理想的结合及挠曲疲劳都损害其耐用性。相关缺点为织物与V字形导件之间的结合强度总是低于单独织物材料或单独V字形材料的抗撕强度。这可能造成V字形导件的脱层。
在其他皮带的应用中,单层或多层的聚氨酯、聚氯乙烯或合成橡胶的结构呈平坦备料供给,通过无痕针缝、或通过使用耗时的剥开处理及化学结合来拼接,以环带方式缝合并装在机器上。在这些结构的磨面上具有用于结合的高度可利用的表面积,这使得使用单纯的熔体溶化过程成为可能,磨面的表面可打底或不打底(由皮带与V字形导件的聚合物类型之间的相容性决定)。然而这种方法的缺点仍然是结合强度总是低于单独传动带材料或单独V字形导件材料的抗撕强度。
综上所述,在这些应用中希望采用一种无痕可针缝的织物,使得可避免过度耗时,并且可避免麻烦的剥开处理及粘结处理,这些处理是专业耗时的工艺,需要委托外界厂商实施。就此而言,这暗示了经涂覆的螺旋织物可提供容易针缝且无痕的可缝合结构。另一方面,通常可利用的经涂覆的螺旋结构由于两个原因难以制造成带有V字形导件。第一,未经填充的结构与V字形导件的结合面之间具有小于0.20mm的平面差异,这使得用于熔接结合的表面积不足。第二,完全填充的结构具有均匀平滑的结合表面,再度由于结合强度低于两个叠层任意一个的抗撕强度,使得没有明显比现有标准的耐用性优势高。
其他现有技术包括下列各项:
美国专利No.5,466,339为一种常规的缝合造纸毛毡。挤出成形单丝在机器方向上以间隔的平行关系固定至毛毡的下侧,并且覆盖接缝区域以避免接缝磨损;
美国专利No.5,840,378为一种环形织造的造纸机皮带,其在纸面的边缘设置有由热塑性树脂制成的抗挠曲部分,以及在纸面的边缘设置有由热塑性树脂制成的导件脊状物。导件脊状物与抗挠曲部分整体地熔接;
美国专利No.6,214,752为一种具有织造基底织物的靴形压榨夹套。织物的一个表面用树脂涂覆,织物的全部厚度都使用这种树脂填充。在织物的另一面上形成涂覆层;
美国专利No.6,465,074为一种经树脂浸渍的环形宽压区压榨皮带或经树脂浸渍的环形压光机皮带,其具有织造基底织物。这种织造物包括用第一聚合物树脂材料涂覆过的元件。所述皮带的至少一个表面用第二聚合物材料涂覆。第一聚合物及第二聚合物彼此具有亲合力,所以第二涂层与具有第一涂层的元件建立了化学互锁;
美国专利No.5,558,926披露了一种织物的抗弯曲部分,该抗弯曲部分通过将聚氨酯树脂填充在织物的内部结构而形成。由类似的聚氨酯塑造的导件凸起通过熔合排布在抗弯曲部分上。据称可避免在导件凸起附近,由于织物的弯曲及磨损所造成的切断;
美国专利No.3,523,867为一种用于长网造纸机的铜网皮带。在所述织造或切割为一定宽度的皮带的边缘上,设有约10根增强线带,该增强线带优选由塑料材料制成。该增强线带向皮带的边缘提供增强并且抗受损及断裂,而不会不当地造成皮带变硬或变厚;
美国专利No.5,384,014为一种用于浓缩液体中固体颗粒悬浮液的装置。所述装置采用辊子,每个辊子都具有流浆箱,该流浆箱以这样一种方法输送待浓缩的悬浮液流,这种方法使悬浮液流捕集于铜网与由铜网包裹着的辊子的部分之间。因此,收集的悬浮液通过用铜网对液体的压榨而脱水并浓缩;以及
美国专利No.5,731,059为一种干燥织物,沿其边缘部分形成多个硅树脂带以防止因磨蚀及加热而引起的磨损。硅橡胶包封纱线的端部及边缘,从而形成沿干燥织物外表面的珠粒(bead),该珠粒将纱线隔开不直接接触转鼓。
虽然上述参考文献的部分或全部具有某些优点,但仍然需要进一步改进及/或替换形式。
发明内容
因此,本发明的主要目的是提供一种有导件稳固附着于其上的织物。
本发明的另一个目的是提供一种附着有导件的织物,该导件具有耐挠曲疲劳性、耐磨损性及耐脱层性。
本发明的又一个目的是提供一种具有导件的织物,该导件以这样一种方式固定在织物上,这种方式能够克服缝合法、胶粘法及融合法存在的缺点。
本发明提供了这些和其他目的及优点。就此而言,本发明涉及一种附着有V字形导件的织物,其中所述主要附着机构(机理)为织物由导件材料包封,而非两种材料的化学相容性。
附图简要说明
因此,通过结合附图对本发明的描述,将认识到本发明的目的及优点,其中:
图1为本发明教导的附着有V字形导件的织物的机器方向视图;
图2为本发明的具有V字形导件及表面涂层的织物的机器方向视图;以及
图3为本发明教导的V字形导件实例的剖视图。
优选实施方式的详细描述
现在,特别参照附图,图1为本发明的附着有导件14的织物10的机器方向(MD)视图。在这个优选实施方式中,V字形导件14附着于渗透性织物10的磨面26上。如图可知,V字形导件材料14充分浸渍在织物10内部,以包封织物结构,并且在固化时形成复合物。进一步如图1所示,V字形导件14的浸渍深度在织物厚度22的50%至100%的范围内变化。
有利地,附着机构主要为织物10由V字形导件14包封,而不是织物材料与导件材料之间的化学亲合力。这提高了织物10与V字形导件14之间的结合强度,导致该结合强度等于单独织物材料或单独导件材料的抗撕强度。因此,如比较测试所示,包裹着V字形导件的本发明织物10比常规附着有导件的织物的使用寿命长2倍。
该附着机构的另一个优点为织物10几乎可为任意结构及组成,该附着机构主要为包封而非织物10及导件14之间的化学相容性。因此,虽然图1所示的示例性织物10为渗透性螺旋链结结构,但在这里也包括其他织物10的预期结构,例如织造材料及非织造材料,非织造材料诸如针织物、挤出网眼、MD或CD纱排列以及织造材料及其他非织造材料的螺旋缠绕带。另外,由于化学亲合力并非附着的要素,所以织物10可由多种不同金属的、合成的或天然的长丝、纤维或纱线制造。这些纱线(例如)可为单丝、捻合单丝、复丝或捻合复丝,并且可是单层的、多层的或层叠的。在使用合成纱线的情况下,纱线通常由在工业用织物技术领域中的普通技术人员为此目的而使用的合成聚合树脂中的任何一种挤出而成,例如聚酰胺树脂及聚酯树脂。
在图1所示的优选实施方式中,V字形导件14由热塑性材料形成。导件14在一定压力下通过熔化至足够深度而附着于织物上,以包封织物10的50%或更多,同时使用成形滑车来维持V字形导件14的外部尺寸及形状。另外,导件14可由可挤出的热塑性材料、热固性材料或其他适于此目的的材料形成。在使用热固性材料的情况下,热固性材料可通过常温、紫外线(UV)、水分、加热或其他适当的方法交联。具体而言,导件也可为具有足够粘度的交联聚合物,以在固化过程中维持其形状,其中交联通过常温、UV、水分或加热来完成。
图2为织物10的机器方向视图,该织物10具有的表面涂层16的厚度小于或等于织物厚度22的50%。如图可知,这样只能完全包封卷绕长丝的顶面24。因此,在织物10的磨面26上有足够空隙体积来让形成V字形导件14的材料渗透到50%或更多,以完全包封卷绕长丝的底面12。另一方面,V字形导件14可先附着于织物10,然后再涂覆织物10。
在本发明的优选实施方式中,填塞的矩形的螺旋状物10可用来控制涂覆渗透深度。另外,同样也可使用开放的螺旋状物及/或以其他方式填充的螺旋状物。注意在螺旋状物12的表面平面上的涂层厚度18可在0至4mm的范围内变化。此外,注意涂层16可由聚氨酯、聚氯乙烯、硅橡胶、合成橡胶诸如腈橡胶或丁苯橡胶、或其他适于此目的的材料形成。
图3为可附着于本发明的织物10磨面的V字形导件14的示例性剖视图。如图可知,本发明为应用范围设想了多种不同的导件14的剖面。例如,V字形导件可为单个的或双联设计,以及V字形导件可为平顶、高脊状顶、或有棱纹顶。
因此通过本发明可了解其目的及优点,虽然在此详细披露并描述了优选实施方式,但本发明的保护范围和目的并不局限于此;而本发明的保护范围由所附权利要求的保护范围界定。
Claims (23)
1.一种具有一定织物厚度的织物,所述织物包括一个或多个导件,由附着于所述织物的磨面的导件材料制成,以用所述导件材料包封所述织物厚度的约50%或更多。
2.根据权利要求1所述的织物,其中所述包封是附着所述织物和导件的主要机构。
3.根据权利要求1所述的织物,其中通过将V字形导件熔化达足够深度,以包封所述织物结构的50%或更多,而将所述导件附着于织物上。
4.根据权利要求3所述的织物,其中所述熔化的导件包封所述织物,从而在固化时形成复合物。
5.根据权利要求1所述的织物,其中所述织物与所述导件之间的结合强度等于所述单独织物或所述单独导件材料的抗撕强度。
6.根据权利要求1所述的织物,其中所述织物的结构取自基本由织造物、或非织造物诸如螺旋链结物、MD或CD纱排列、针织物、挤出网眼织物、或材料条带组成的组,所述的材料条带最终缠绕形成宽度大于所述条带宽度的基材。
7.根据权利要求1所述的织物,其中所述织物为渗透性的或非渗透性的。
8.根据权利要求1所述的织物,其中所述织物由金属的、合成的或天然的长丝、纤维或纱线形成。
9.根据权利要求1所述的织物,其中所述导件为可熔化的热塑性材料、可挤出的热塑性材料、或热固性材料之一。
10.根据权利要求9所述的织物,其中所述热固性材料的交联至少通过常温、UV、水分或加热来完成。
11.根据权利要求1所述的织物,其中所述导件为具有足够粘度的交联聚合物,以在固化过程中维持其形状。
12.根据权利要求11所述的织物,其中所述交联至少通过常温、UV、水分或加热之一来完成。
13.根据权利要求1所述的织物,其中所述导件为可熔化的热塑性材料,该可熔化的热塑性材料在一定压力下浸渍进所述织物的内部,同时使用成形滑车来维持导件的尺寸。
14.根据权利要求1所述的皮带,其中所述导件为大致V字形。
15.根据权利要求14所述的织物,其中所述V字形导件具有平整的、高脊状的及有棱纹的顶面之一。
16.根据权利要求1所述的织物,其中所述附着有导件的织物用作工业应用中的皮带。
17.根据权利要求1所述的织物,其中所述织物在其各边缘处包括两个导件。
18.根据权利要求1所述的织物,其中织物具有顶面涂层,该顶面涂层包封所述织物厚度约50%或较少。
19.根据权利要求18所述的织物,其中在所述织物的表面平面上的涂层厚度在0至4mm的范围内。
20.根据权利要求18所述的织物,其中所述涂层由聚氨酯、聚氯乙烯、硅橡胶及合成橡胶之一形成。
21.根据权利要求20所述的织物,其中所述合成橡胶为腈橡胶及丁苯橡胶之一。
22.根据权利要求18所述的织物,其中用填塞件[ly1]控制涂层的渗透深度。
23.根据权利要求22所述的织物,其中所述填塞件为矩形。
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PCT/US2004/023921 WO2005012633A1 (en) | 2003-07-31 | 2004-07-23 | Fabrics with v-guides |
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US20110146913A1 (en) * | 2009-12-23 | 2011-06-23 | William Harwood | Industrial fabric with wear resistant coating |
US20110151735A1 (en) * | 2009-12-23 | 2011-06-23 | William Harwood | Industrial fabric with traction coating |
US10182528B2 (en) * | 2017-04-22 | 2019-01-22 | Deere & Company | Draper belt assembly |
US10206332B2 (en) * | 2017-04-22 | 2019-02-19 | Deere & Company | Draper belt guide |
RU2756454C1 (ru) * | 2020-10-08 | 2021-09-30 | федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) | Термостойкое силиконовое покрытие с поверхностной рельефной структурой |
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CA2533459A1 (en) | 2005-02-10 |
TW200523431A (en) | 2005-07-16 |
EP1651811A1 (en) | 2006-05-03 |
MXPA06001241A (es) | 2006-08-31 |
RU2360056C2 (ru) | 2009-06-27 |
CA2533459C (en) | 2014-04-22 |
NO20060932L (no) | 2006-04-28 |
AU2004261948A1 (en) | 2005-02-10 |
BRPI0413188A (pt) | 2006-10-03 |
JP2007500799A (ja) | 2007-01-18 |
AU2004261948B2 (en) | 2010-01-21 |
US7862879B2 (en) | 2011-01-04 |
CN1833069B (zh) | 2010-12-08 |
KR20060057585A (ko) | 2006-05-26 |
KR101134321B1 (ko) | 2012-04-13 |
US20050025935A1 (en) | 2005-02-03 |
TWI347990B (en) | 2011-09-01 |
NZ544968A (en) | 2008-11-28 |
ZA200600902B (en) | 2007-05-30 |
RU2006102389A (ru) | 2006-09-10 |
JP4630279B2 (ja) | 2011-02-09 |
BRPI0413188B1 (pt) | 2015-01-06 |
WO2005012633A1 (en) | 2005-02-10 |
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