CN105392619A - 具有预成形胎面的轮胎及其制造方法 - Google Patents
具有预成形胎面的轮胎及其制造方法 Download PDFInfo
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- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
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- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
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- B29D30/66—Moulding treads on to tyre casings, e.g. non-skid treads with spikes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
本发明公开了制作具有诸如纵向花纹、横向花纹或胎面花纹块的特征的轮胎的方法,所述方法包括在硫化之前使至少一个特征在未固化轮胎胎面上成形。这些方法的一个方面可包括在所述胎面与所述轮胎相连时使特征在所述胎面上成形。成形装置可包括成形辊、压合辊、预成形模具以及环形、弯曲或平坦的冲压板。这些方法的附加方面还可在硫化之前减少胎面与胎体之间的空气量。这些方法可与在各种类型的轮胎上使用的制造工艺结合使用,并且特别适用于大轮胎制造工艺。
Description
技术领域
本发明涉及轮胎构造及轮胎构造方法的领域。更具体地讲,本发明涉及具有诸如纵向花纹、横向花纹或胎面花纹块的特征的轮胎及制作具有这些特征的轮胎的方法。另外,本发明还描述了农用轮胎及制作农用轮胎的方法。
背景技术
已知的轮胎制造方法涉及建造生轮胎(包括生胎面)以及使生轮胎和生胎面在模具中硫化。当将生轮胎放入模具中时,必须用橡胶填充生轮胎与模具特征之间的体积。因此,粘性橡胶流入生轮胎与模具特征之间的体积中。在硫化期间使粘性橡胶和生轮胎固化。
发明内容
在一个实施例中,制造轮胎的方法包括如下步骤:提供生轮胎胎面胶料的板材,用至少一个辊在生轮胎胎面胶料的板材上成形至少一个一体化横向花纹,将生轮胎胎面胶料的板材放置在生胎体上,将生轮胎胎面胶料和生胎体放入轮胎模具中,使生轮胎胎面和生胎体固化,以及将固化轮胎从模具中取出。如本领域普通技术人员将理解,该方法适用于制造各种类型的轮胎,并且特别适用于制造大轮胎。另外,本领域普通技术人员将理解,该实施例中的步骤的顺序排序可以改变。
在另一个实施例中,制造轮胎的方法包括如下步骤:提供未固化轮胎,所述未固化轮胎包括至少胎体和胎面;将未固化轮胎引入到胎面或空隙阴面;对胎面或空隙阴面施加压力以在未固化轮胎上至少部分地赋予周向轮廓;以及使未固化轮胎硫化以便获得硫化轮胎。如本领域普通技术人员将理解,该方法适用于制造各种类型的轮胎,并且特别适用于制造大轮胎。另外,本领域普通技术人员将理解,该实施例中的步骤的顺序排序可以改变。
在又一个实施例中,生轮胎包括胎体和预成形胎面,其中所述胎体包括一对环形胎圈,所述一对环形胎圈被构造为将轮胎固定到车轮;至少一个主体帘布层,所述至少一个主体帘布层在环形胎圈之间延伸;周向带束层,所述周向带束层被构造为给轮胎提供结构补强件,并且所述预成形胎面为一体化橡胶制品,所述一体化橡胶制品包括胎面基层,所述胎面基层具有基部胶厚和沟道横向花纹,其中所述沟道横向花纹为深沟道横向花纹,所述深沟道横向花纹被构造为在轮胎上使用。如本领域普通技术人员将理解,该构造适用于各种类型的轮胎,并且特别适用于大轮胎,包括农用轮胎。
附图说明
在附图中,示出了结构,所述结构与下文提供的详细描述一起描述了本要求保护的发明的示例性实施例。类似的元件用相同的附图标号标示。应当理解,被示出为单个部件的元件可以用多个部件替换,并且被示出为多个部件的元件可以用单个部件替换。附图未按比例绘制,并且出于说明性目的,可能放大了某些元件的比例。
图1A为生胎面的一个实施例的局部透视图;
图1B为用于大轮胎的生胎面的一个实施例的局部透视图;
图1C为用于大轮胎的生胎面的一个实施例的局部透视图,所述生胎面具有减小的胎面胶厚;
图1D为用于轮胎的生胎面的一个实施例的局部透视图,所述生胎面具有纵向花纹;
图2A为成形辊的透视图;
图2B为成形辊组件和生胎面的侧视图;
图3A为生轮胎的剖视图;
图3b为生轮胎和生胎面的透视图;
图4为压合辊和生轮胎的侧视图,所述生轮胎具有未固化胎体和未固化胎面;并且
图5为具有模具特征的坯模的透视图。
具体实施方式
下文包括本文所采用的所选择的术语的定义。这些定义包括落入术语范围内且可用于实施的部件的各种实例和/或形式。所述实例并非旨在进行限制。术语的单数和复数形式均可在所述定义之内。
“轴向”和“轴向地”是指平行于轮胎旋转轴线的方向。
“周向”和“周向地”是指沿胎面表面的圆周延伸的与轴向垂直的方向。
“赤道面”是指垂直于轮胎旋转轴线并且穿过轮胎胎面中心的平面。
“径向”和“径向地”是指垂直于轮胎旋转轴线的方向。
如本文所用的“胎侧”是指在胎面与胎圈之间的轮胎部分。
如本文所用的“胎面”是指在正常充气和负载情况下与道路或地面接触的轮胎部分。
虽然用于以下说明的类似术语描述常用轮胎部件,但应当理解,由于这些术语带有略微不同的含义,本领域普通技术人员不会认为下列术语中的任何一者可与用于描述常用轮胎部件的另一个术语完全地互换。
图1A-图1D示出了多种生轮胎胎面。如本领域普通技术人员将理解,生胎面为尚未硫化的橡胶构件。图1A示出了基本上平坦的生胎面100a。生胎面100a具有顶表面105和底表面110。顶表面105和底表面110相隔胎面胶厚高度HG。生胎面100a可用于多种不同轮胎应用。
如本领域普通技术人员将理解,将生胎面100a放置在轮胎胎体上以形成生轮胎。然后将生轮胎放入硫化模具中。在生轮胎的固化期间,橡胶流入硫化模具的空隙中。
图1B示出了具有预成形横向花纹(或条形花纹)115的生胎面100b。与胎面100a一样,胎面100b具有顶表面105和底表面110。在胎面100b中,横向花纹115从顶表面105隆起到外边缘120。如图所示,横向花纹115开始于胎面的外边缘并朝胎面的中心呈弧形。另外,如图所示,横向花纹115具有高度HL,其表示顶表面105与外边缘120之间的距离。横向花纹可由条形花纹角度(未示出)限定,所述条形花纹角度表示横向花纹相对于胎面的赤道面的平均倾角。如本领域普通技术人员将理解,横向花纹115可在形状、高度和倾角方面有所不同,并且不一定开始或结束于生胎面上的任何具体位置。
如图所示,胎面100b和横向花纹115为一体化制成品。在另一个实施例中(未示出),胎面100b和横向花纹115作为不同制品开始,然后在制造工艺期间将横向花纹115放置或附连到胎面100b上。在该可供选择的实施例中,可将横向花纹化学地或机械地附连到胎面上。
图1C示出了具有横向花纹115的生轮胎胎面100c。胎面100c包含与胎面100b相同的许多特征。与胎面100b相比较,胎面100c具有减小的胎面胶厚高度HG,但其具有相同的胎面横向花纹高度HL。因此,比率HG/HL在胎面100c中比胎面100b中要低。在可供选择的实施例中,横向花纹高度HL有所不同。如本领域普通技术人员将理解,在某些轮胎应用中需要较低HG/HL比率。同样,较低HG/HL比率将减少给定构造中所需的橡胶量。
图1D示出了具有纵向花纹125的生轮胎胎面100d。与胎面100a-100c一样,胎面100d具有顶表面105和底表面110。在胎面100d中,纵向花纹125从顶表面105隆起到外边缘120。如图所示,纵向花纹125被周向沟槽130分开。纵向花纹125占据胎面宽度的一部分并且将围绕成品轮胎周向地延伸。另外,如图所示,纵向花纹125具有高度HR,其表示顶表面105与外边缘120之间的距离。如本领域普通技术人员将理解,纵向花纹125可在形状和高度方面有所不同,并且不一定开始或结束于胎面上的任何具体位置。在可供选择的实施例中,纵向花纹的连续性被各种特征中断,这些特征包括但不限于各种沟槽、狭槽和胎纹沟。
图2A示出了成形辊200a。如图所示,成形辊200a为大致圆柱形并且具有直径D。所述直径在成形辊的顶表面205的相对边缘之间延伸。虽然直径D被示出为一种尺寸,但普通技术人员应当理解,直径D的长度可因应用不同而不同。
如图所示,成形辊200a包括从顶表面205延伸的成形元件210。如图所示,成形元件210具有高度HSE,其表示顶表面205与外边缘215之间的距离。在一个实施例中,成形元件210的倾角大致对应于成品胎面中的空隙、沟槽和胎纹沟的倾角。如本领域普通技术人员将理解,增加成形元件与模具特征之间的相似性将有助于降低固化压机中的橡胶流动。然而,成形元件可能偏离成品胎面的几何形状。
在该实施例中,成形元件为胎面花纹。在可供选择的实施例中,成形元件210大致对应于胎面阴面。在该实施例中,成形元件通过占据成品轮胎的空隙、沟槽和胎纹沟体积的至少40%而大致对应于胎面阴面。在另一个实施例中,成形元件210大致对应于胎面中的较大空隙。在该实施例中,成形元件通过占据成品轮胎的空隙体积的至少30%而大致对应于胎面中的较大空隙。在另一个实施例中,成形元件通过占据成品轮胎的空隙体积的至少80%而非常近似地对应于胎面中的较大空隙。
在一个实施例中,成形元件的高度HSE在HL或HR的50%与100%之间变化。在一个具体实施例中,成形元件的高度HSE在HL或HR的60%与80%之间变化。
在可供选择的实施例中(未示出),使用冲压板代替成形辊。冲压板可为环形、弯曲或平坦的。
图2B示出了成形辊200a、成形辊200b和生胎面100。在图2B中,成形辊200a为与图2A中所示相同的成形辊。如图所示,成形辊200b为大致圆柱形并且具有顶表面205。虽然成形辊200b类似于成形辊200a,但如图所示,成形辊200b缺少成形元件。另外,如本领域普通技术人员将理解,成形辊200a和成形辊200b可具有不同直径。
如图2B中所描绘,当生胎面100从左向右进给时,成形辊200a逆时针旋转,而成形辊200b顺时针旋转。如本领域普通技术人员将理解,提供胎面胶料的板材可涉及挤出橡胶。在可供选择的实施例中,挤出橡胶可提供农用生轮胎胎面胶料的减小胶厚板材。
当胎面100接触成形辊时,成形辊开始在胎面上赋予胎面轮廓的工艺。如本领域普通技术人员将理解,开始在胎面上赋予胎面轮廓的工艺涉及赋予将在成品轮胎中出现的特征之一的至少一部分。例如,在大型车辆的轮胎中,在胎面上赋予轮廓可能涉及使至少一个沟道横向花纹的一部分预成形。因此,在一个实施例中,成形辊开始在胎面上赋予大型车辆胎面轮廓的工艺。在另一个实施例中,成形辊开始在胎面上赋予农用胎面轮廓的工艺。在又一个实施例中,成形辊开始在胎面上赋予卡车或公共汽车胎面轮廓的工艺。在不同的实施例中,成形辊开始在胎面上赋予乘用轮胎胎面轮廓的工艺。
在另一个实施例中(未示出),成形辊200a包含真空入口(也未示出)。真空入口设置在顶表面处并且允许利用真空操作成形辊。利用真空的操作涉及利用真空从生胎面、成形元件与顶表面之间的空间除去空气。因此,在一个实施例中,真空压力用于在农用生轮胎胎面的板材上成形至少一个一体化横向花纹。在可供选择的实施例中,真空入口设置在成形元件的基部中(至少在HSE的底部三分之一中)靠近顶表面205处。如本领域普通技术人员将认识到,该工艺有助于成形辊开始在胎面上赋予胎面轮廓的工艺。
在一个已知的实施例中,成形辊200a、b设置在挤出机(未示出)附近。生胎面100在被挤出之后可具有升高的温度,在挤出期间生胎面100可更柔韧并且更容易通过成形辊200a、b来成形。在一个实施例中,当生胎面橡胶在60℃与150℃之间时,在胎面上赋予胎面轮廓。在可供选择的实施例中,当胎面橡胶在80℃与120℃之间时,在胎面上赋予胎面轮廓。同样,如本领域普通技术人员将理解,多种多样的胎面橡胶配方将适合与本发明中所述的方法和构造一起使用。
图3A为生轮胎300的侧视图。生轮胎300包括一对环形胎圈305,所述一对环形胎圈被构造为将轮胎固定到车轮;至少一个主体帘布层310,所述至少一个主体帘布层在环形胎圈之间延伸;以及周向带束层315,所述周向带束层被构造为给轮胎提供结构补强件。如本领域普通技术人员将理解,轮胎还可包括由选自由如下组成的组的材料制成的补强件:钢、尼龙、人造丝、芳族聚酰胺、对位芳族聚酰胺、聚酯、聚萘二甲酸乙二醇酯(“PEN”)、聚对苯二甲酸乙二醇酯(“PET”)、聚醋酸乙烯酯(“PVA”)、聚苯并二唑(“PBO”)、乙烯-一氧化碳共聚物(“POK”)、碳纤维以及玻璃纤维。
图3B为生轮胎300和预成形胎面320的透视图。预成形胎面320为一体化橡胶制品,所述一体化橡胶制品包括具有基部胶厚的胎面基层。预成形胎面还具有横向花纹325。如本领域普通技术人员将认识到,图3B中所示的横向花纹325为在大轮胎上使用的横向花纹。大轮胎的实例包括但不限于农用轮胎、采矿轮胎、林业轮胎、滑移装载机轮胎、工程轮胎、超巨型卡车轮胎以及其他重型车辆轮胎。
在另一个实施例中,图3B中所示的横向花纹325为在农用轮胎上使用的沟道横向花纹。在该实施例中,沟道横向花纹的高度大约为轮胎的宽度的6%。在附加的实施例中,沟道横向花纹的高度大约在轮胎的宽度的3-8%或4-7%之间。在另外的实施例中,沟道横向花纹的高度大约可在轮胎的宽度的6-18%之间。
在可供选择的实施例中(未示出),图3B中所示的横向花纹325为在农用轮胎上使用的深沟道横向花纹。在该实施例中,沟道横向花纹的高度大约为轮胎的宽度的8%。在附加的实施例中,沟道横向花纹的高度大约在轮胎的宽度的5-20%之间。在另外的实施例中,沟道横向花纹的高度大约可在轮胎的宽度的6-22%之间。
在可供选择的实施例中(也未示出),图3B中所示的横向花纹325为在相对较窄轮胎上使用的沟道横向花纹。在该实施例中,沟道横向花纹的高度大约为轮胎的宽度的14%。在附加的实施例中,沟道横向花纹的高度可大约在轮胎的宽度的10-17%之间。在另外的实施例中,沟道横向花纹的高度大约可在轮胎的宽度的12-19%或20-35%之间。
如本领域普通技术人员将认识到,图3B中所示的横向花纹325可用于被指定为R1、R1W和R2构造的农用轮胎构造中,其中R1对应于标准沟道深度(Tire&RimAssociationStandard(轮胎和轮辋协会标准)AG-09-21),R1W对应于比R1深20%的沟道深度,并且R2对应于为R1的200%的沟道深度。利用沟道的轮胎的附加实例包括但不限于用于农用车辆的驱动轮、灌溉轮胎、林业轮胎、浮动轮胎、联合收割机轮胎、拖拉机轮胎、采矿轮胎、工程轮胎、喷雾车轮胎以及越野车辆。
在一个实施例中,图3B中所示的横向花纹325被布置为提供单音调噪音序列胎面。在可供选择的实施例中,横向花纹325被调节为提供双音调噪音序列胎面。在又一个实施例中,横向花纹325被调节为提供多音调噪音序列胎面。
图4为采用压合辊400和未固化轮胎405的可供选择的实施例的侧视图。如图所示,压合辊400为大致圆柱形并且具有直径D。所述直径在压合辊的顶表面420的相对边缘之间延伸。虽然直径D被示出为一种尺寸,但普通技术人员应当理解,直径D的长度可因应用不同而不同。另外,本领域普通技术人员应当理解,如图4所示的直径D不一定等于图2中所示的直径D,但这两种直径可以相等。
如图所示,压合辊400还具有隆起轮廓410。在一个实施例中,隆起轮廓近似大轮胎中的空隙阴面。在该实施例中,隆起轮廓通过占据成品轮胎的空隙体积的至少50%而近似空隙阴面。在另一个实施例中,隆起轮廓近似胎面中的沟槽。在该实施例中,隆起轮廓通过占据成品轮胎的沟槽体积的至少50%而近似胎面中的沟槽。在又一个实施例中,隆起轮廓大致类似于胎面阴面。在该实施例中,隆起轮廓通过占据成品轮胎的空隙、沟槽和胎纹沟体积的至少50%而近似胎面中的各种空隙、沟槽和胎纹沟。在不同的实施例中,隆起轮廓非常类似于胎面阴面。在该实施例中,隆起轮廓通过占据成品轮胎的空隙、沟槽和胎纹沟体积的至少70%而近似胎面中的各种空隙、沟槽和胎纹沟。
未固化轮胎405具有生胎体415和生胎面425。胎面425可预成形(类似于100b-100d),但其也可为平坦的(类似于100a)。如图所示,胎面425为预成形的。在一个实施例中,无材料占据胎体415与胎面425之间的空间。在另一个实施例中,材料占据胎体415与胎面425之间的空间。如普通技术人员将理解,胎体415与胎面425之间的材料可为化学试剂,诸如粘合剂或高粘性橡胶层如胎垫。
通过轴向杆(未示出)支撑压合辊400并使之保持在适当位置。同样,通过轮胎成型鼓(也未示出)支撑未固化轮胎405并使之保持在适当位置。
使压合辊400和未固化轮胎405相接触。如果胎面425为预成形的,应使隆起轮廓410的隆起元件与胎面425的对应预成形元件对齐。
一旦压合辊400和未固化轮胎405接触,压合辊400就进行旋转。所述旋转将引起未固化轮胎405在相反方向上旋转。压合辊400与未固化轮胎405之间的旋转和力将减少胎体415与胎面425之间的空气量。因此,在该实施例中,在将胎面胶料的板材放置在生胎体上之后,对胎面胶料的板材和生胎体施加力。如本领域普通技术人员将认识到,在硫化之前减少胎体415与胎面425之间的空气量将改善良品率。
在另一个应用中(未示出),压合辊还可帮助在生胎面上形成横向花纹。可通过将压合辊置于与胎面接触的位置,来使用压合辊帮助在生胎面上形成横向花纹。在压合辊与胎面之间引入力,以使得压合辊帮助在生胎面上形成横向花纹。所述力可为接触力或真空力等等。如果所述力为真空力,则压合辊可包括真空入口。可在生胎面放置于生轮胎上时或在生胎面与生轮胎分开时,形成横向花纹。
在另一个应用中(也未示出),将未固化轮胎放置于真空袋中。如本领域普通技术人员将认识到,真空袋为包封未固化轮胎的气密袋。然后使用真空从真空袋除去空气,继而在硫化之前减少胎体与胎面之间的空气量。在一个实施例中,真空袋还可被构造为有助于使胎面成形。任选地,当真空从真空袋除去空气时,可利用化学试剂诸如粘合剂或高粘性橡胶层如胎垫,将胎面固定到胎体。
在另一个应用中(也未示出),将未固化轮胎放置于预成形模具中。可与囊袋结合使用的预成形模具有助于使未固化轮胎预成形。可对预成形模具施加压力以使未固化轮胎进一步成形。如本领域普通技术人员将理解,环形预成形模具可分成圆弧段,所述圆弧段可单独使用或与其他圆弧段结合使用。同样,环形预成形模具也可分成环形半部,所述环形半部可单独或一起使用。如果一起使用,则环形预成形半部将使整个胎面(360°)一次预成形。预成形模具可由多种材料制成,包括但不限于陶瓷、塑料和金属。
图5示出了其中设置有轮胎T的具有模具特征505的轮胎模具500。如本领域普通技术人员将认识到,模具特征为精确胎面阴面。在可供选择的实施例中,模具特征大致对应于胎面阴面。在另一个可供选择的实施例中,模具特征大致对应于胎面中的较大空隙。在另一个具体实施例中,模具为具有顶盖的压缩模具,当模具平压机的上板和下板合拢时,所述顶盖将橡胶推入模具空隙中。如本领域普通技术人员将理解,胎面或轮胎还可在固化后修改。
如本领域普通技术人员将认识到,本发明中所述的方法和构造将改善良品率。例如,减少生轮胎与模具特征之间的体积可有助于改善良品率,因为这降低了各种补强结构的变化(诸如带束层卷曲)。本发明中所述的方法和构造可降低带束层卷曲,特别是大轮胎和农用轮胎中的带束层卷曲,其中已知带束层的多个部分在硫化期间会迁移到横向花纹中。
同样,本发明中所述的方法和构造可改善帘线变形并改善轮胎外观。本发明中所述的方法和构造还可允许节省橡胶。例如,本文所述的方法和构造可需要大约少10-15%之间的材料。
就在说明书或权利要求书中使用术语“包括”而言,其旨在以类似于术语“包含”在权利要求中用作过渡词时所理解的方式来具有包容性。此外,就采用术语“或”(例如,A或B)而言,其旨在表示“A或B或两者”。如果申请人旨在指示“仅A或B但不是两者”,则将采用术语“仅A或B但不是两者”。因此,本文中对术语“或”的使用具有包容性,不具有排他性。参见BryanA.Garner,ADictionaryofModernLegalUsage624(2d.Ed.1995)(BryanA.Garner,现代法律用法辞典624(第二版,1995年))。此外,就在说明书和权利要求书中使用术语“在中”或“到中”而言,其旨在附加地表示“在上”或“到上”。此外,就在说明书或权利要求书中使用术语“连接”而言,其旨在不仅表示“直接连接到”,而且也表示“间接连接到”,诸如通过另外的一个部件或多个部件进行连接。
虽然本发明已通过其实施例的描述进行了说明,并且虽然已相当详细地对所述实施例进行了描述,但申请人并非意图将所附权利要求书的范围约束为这样的细节或以任何方式限制为这样的细节。其他优点和修改对于本领域的技术人员而言将是显而易见的。因此,在其更广泛的方面,本发明并不限于所示和所述的特定细节、代表性设备和方法,以及示例性实例。因此,可以在不偏离申请人的总体发明构思的精神或范围的情况下偏离这样的细节。
Claims (20)
1.一种制造农用轮胎的方法,所述方法包括:
提供农用生轮胎胎面胶料的板材;
用至少一个辊在农用生轮胎胎面胶料的所述板材上成形至少一个一体化横向花纹;
将农用生轮胎胎面胶料的所述板材放置在生胎体上;
将所述农用生轮胎胎面胶料和所述生胎体放入农用轮胎模具中;
使所述农用生轮胎胎面和所述生胎体固化;以及
将所述固化农用轮胎从所述模具中取出。
2.根据权利要求1所述的方法,其中提供农用轮胎胎面胶料的所述板材包括挤出橡胶以提供农用生轮胎胎面胶料的板材。
3.根据权利要求1所述的方法,其中真空压力用于在农用生轮胎胎面的所述板材上成形所述至少一个一体化横向花纹。
4.根据权利要求1所述的方法,其中所述至少一个辊为具有胎面花纹的圆柱形冲模。
5.根据权利要求1所述的方法,所述方法还包括在将农用生轮胎胎面胶料的所述板材放置在生胎体上之后,对农用轮胎胎面胶料的所述板材和所述生胎体施加力。
6.根据权利要求1所述的方法,其中将农用轮胎胎面胶料的所述板材和所述生胎体放置在农用轮胎模具中包括使农用轮胎胎面胶料的所述板材与至少一个对应模具特征对齐。
7.根据权利要求1所述的方法,其中使所述农用轮胎胎面和所述生胎体固化需要不超过240分钟的固化。
8.根据权利要求1所述的方法,其中所述放置步骤先于所述成形步骤。
9.一种轮胎制造方法,所述方法包括如下步骤:
提供未固化轮胎,所述未固化轮胎包括至少胎体和胎面;
将所述未固化轮胎引入到胎面阴面;
对所述胎面阴面施加压力以在所述未固化轮胎上至少部分地赋予周向轮廓;以及
使所述未固化轮胎硫化以获得硫化轮胎。
10.根据权利要求9所述的方法,其中对所述胎面阴面施加压力的所述步骤用弯曲冲压板进行。
11.根据权利要求9所述的方法,其中所述对所述胎面阴面施加压力的步骤先于所述提供未固化轮胎的步骤。
12.根据权利要求9所述的方法,其中使所述未固化轮胎准备硫化包括将所述轮胎放置在模具中以及引入粘性橡胶以至少部分地填充所述模具的空隙。
13.根据权利要求9所述的方法,其中对所述胎面阴面施加压力以在所述未固化轮胎上至少部分地赋予周向轮廓包括在所述胎面阴面的最深部分处施加真空压力。
14.根据权利要求9所述的方法,其中使所述未固化轮胎准备硫化包括将所述轮胎放置在模具中以及引入粘性橡胶以至少部分地填充所述模具的空隙。
15.根据权利要求9所述的方法,其中所述未固化轮胎包含由选自由如下组成的组的材料制成的至少一个补强件:钢、尼龙、人造丝、芳族聚酰胺、对位芳族聚酰胺、聚酯、PEN、PET、PVA、PBO、POK、碳纤维以及玻璃纤维。
16.根据权利要求9所述的方法,其中所述胎面阴面为圆形并且具有直径D1,所述未固化轮胎具有直径D2,并且D1与D2的比率小于1。
17.根据权利要求9所述的方法,其中所述胎面阴面为圆形并且具有直径D1,所述未固化轮胎具有直径D2,并且D1与D2的比率大于或等于1。
18.一种农用生轮胎,所述农用生轮胎包括:
胎体和预成形胎面,其中:
所述胎体包括一对环形胎圈,所述一对环形胎圈被构造为将所述轮胎固定到车轮;至少一个主体帘布层,所述至少一个主体帘布层在所述环形胎圈之间延伸;周向带束层,所述周向带束层被构造为向所述轮胎提供结构补强件;并且
所述预成形胎面为一体化橡胶制品,所述一体化橡胶制品包括具有基部胶厚和沟道横向花纹的胎面基层,其中所述沟道横向花纹为深沟道横向花纹,所述深沟道横向花纹被构造为在农用轮胎上使用。
19.根据权利要求18所述的轮胎,其中所述深沟道横向花纹的高度为轮胎宽度的至少20%。
20.根据权利要求18所述的轮胎,其中所述深沟道横向花纹的高度为轮胎宽度的至少40%。
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PCT/US2014/043322 WO2015009399A1 (en) | 2013-07-15 | 2014-06-20 | Tire with pre-formed tread and method of making same |
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CN201480040062.3A Pending CN105392619A (zh) | 2013-07-15 | 2014-06-20 | 具有预成形胎面的轮胎及其制造方法 |
CN201480040058.7A Pending CN105377589A (zh) | 2013-07-15 | 2014-06-20 | 压缩模制的生橡胶部件及其制造方法 |
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EP (3) | EP3022047A4 (zh) |
JP (1) | JP2016523768A (zh) |
CN (3) | CN105377537A (zh) |
CA (1) | CA2915542A1 (zh) |
MX (1) | MX2016000011A (zh) |
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EP3022070A1 (en) | 2016-05-25 |
RU2628864C2 (ru) | 2017-08-25 |
WO2015009399A1 (en) | 2015-01-22 |
CN105377537A (zh) | 2016-03-02 |
CN105377589A (zh) | 2016-03-02 |
US20160250895A1 (en) | 2016-09-01 |
MX2016000011A (es) | 2016-06-07 |
US20150013863A1 (en) | 2015-01-15 |
EP3022047A4 (en) | 2017-03-29 |
EP3022047A1 (en) | 2016-05-25 |
CA2915542A1 (en) | 2015-01-22 |
WO2015009401A1 (en) | 2015-01-22 |
WO2015009402A1 (en) | 2015-01-22 |
RU2016101133A (ru) | 2017-08-16 |
EP3022048A4 (en) | 2017-03-29 |
US20150013864A1 (en) | 2015-01-15 |
RU2016101136A (ru) | 2017-07-20 |
US20150013871A1 (en) | 2015-01-15 |
EP3022070A4 (en) | 2017-03-29 |
RU2016101017A (ru) | 2017-07-17 |
JP2016523768A (ja) | 2016-08-12 |
EP3022048A1 (en) | 2016-05-25 |
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