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公开(公告)号：US4201261A
公开(公告)日：1980-05-06
申请号：US823304
申请日：1977-08-10
申请人： Donald R. Bartley , James Sidles , Stephen C. Sabo
发明人： Donald R. Bartley , James Sidles , Stephen C. Sabo
CPC分类号： B29D30/00 , B60C5/01 , B60C7/00 , Y10S152/905
摘要： A vehicular pneumatic tire which, except for bead cores, is composed solely of an elastomeric blend strengthened by molecular orientation. The blend is a monoolefin copolymer rubber with a polyolefin and sufficient curing agents to effect vulcanization when the blend is subjected to heat and pressure. The process for making the tire comprises preforming an annulus of the elastomeric blend with bead cores adjacent the edges, the diameter of the preform being essentially that of the bead diameter of the completed tire and the axial distance between the beads less than the transverse arcuate dimension of the completed tire. The preform is cured and while still hot following curing, is stretched and shaped to final size and the generally toroidal form characteristic of conventional pneumatic tires with resulting biaxial molecular orientation, which orientation is retained in the tire by cooling it below the melting point of the polyolefin before removing the tire from the mold.
摘要翻译： 除胎圈芯之外的车辆充气轮胎仅由通过分子取向强化的弹性体共混物组成。 共混物是具有聚烯烃和足够的固化剂的单烯烃共聚物橡胶，以在混合物经受热和压力时进行硫化。 制造轮胎的方法包括预先形成弹性体共混物的环状物，边缘附近具有胎圈芯，预型件的直径基本上是完整轮胎的胎圈直径的直径以及小于横向弓形尺寸的胎圈之间的轴向距离 的完成轮胎。 预成型件固化并且在固化之后仍然热固化，被拉伸和成形为具有所得双轴分子取向的常规充气轮胎的最终尺寸和大体上环形形状特征，该取向通过将其冷却到低于 从模具中取出轮胎之前的聚烯烃。
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公开(公告)号：US4595553A
公开(公告)日：1986-06-17
申请号：US781578
申请日：1985-09-30
CPC分类号： B29D30/0606 , B29C33/0038 , B29C37/006 , B29C2791/006 , B29L2030/00 , Y10S425/06
摘要： A method and apparatus whereby tire mold is closed to within approximately one inch of full closure with a green tire in place therein for molding, and the mold is then evacuated employing a vacuum conduit prior to full mold closure whereby air within the mold cavity is evacuated and the necessity for vent holes in the mold is eliminated. A mold for practice in the invention is free of vent holes in the thread, sidewall, and bead portions of the mold and includes, along the parting line, at least one vacuum conduit whereby the mold cavity may be evacuated to not more than 16932 Pa within not more than about 60 seconds employing a source of vacuum. Seals are provided radially outward of the vacuum conduit along the parting line, and, where necessary, adjacent any moveable bead ring associated with the tire mold. Seals are preferably of a type wherein a differential between pressures experienced by one seal surface and obverse seal surface cause a more effective sealing arrangement. Tires emerging from the mold in accordance with the processes of this invention are free of rubber projections associated with cured rubber entering into vent holes associated with ordinary tire molds.
摘要翻译： 一种方法和设备，其中轮胎模具被封闭到大约一英寸的全封闭中，其中生轮胎在其中用于模制，然后在完全模制闭合之前使用真空管道将模具抽真空，从而将模腔内的空气抽真空 并且消除了模具中的通气孔的必要性。 在本发明中实践的模具在模具的螺纹，侧壁和胎圈部分中没有通气孔，并且沿着分型线包括至少一个真空管道，由此模腔可以抽真空至不超过16932Pa 在不超过约60秒内使用真空源。 沿着分型线径向向外设置密封件，并且在必要时，与与轮胎模具相关联的任何可移动的胎圈环相邻。 密封件优选地是其中由一个密封表面和正面密封表面经历的压力之间的差异导致更有效的密封布置的类型。 根据本发明的方法从模具出来的轮胎没有与固化橡胶相关联的橡胶突起进入与普通轮胎模具相关联的通风孔中。
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公开(公告)号：US4573894A
公开(公告)日：1986-03-04
申请号：US674397
申请日：1984-11-23
CPC分类号： B29C37/006 , B29C33/0038 , B29D30/0606 , B29C2791/006 , B29L2030/00 , Y10S425/06
摘要： A method and apparatus whereby tire mold is closed to within approximately one inch of full closure with a green tire in place therein for molding, and the mold is then evacuated employing a vacuum conduit prior to full mold closure whereby air within the mold cavity is evacuated and the necessity for vent holes in the mold is eliminated. A mold for practice in the invention is free of vent holes in the thread, sidewall, and bead portions of the mold and includes, along the parting line, at least one vacuum conduit whereby the mold cavity may be evacuated to not more than 16932 Pa within not more than about 60 seconds employing a source of vacuum. Seals are provided radially outward of the vacuum conduit along the parting line, and, where necessary, adjacent any moveable bead ring associated with the tire mold. Seals are preferably of a type wherein a differential between pressures experienced by one seal surface and obverse seal surface cause a more effective sealing arrangement. Tires emerging from the mold in accordance with the processes of this invention are free of rubber projections associated with cured rubber entering into vent holes associated with ordinary tire molds.
摘要翻译： 一种方法和设备，其中轮胎模具被封闭到大约一英寸的全封闭中，其中生轮胎在其中用于模制，然后在完全模制闭合之前使用真空管道将模具抽真空，从而将模腔内的空气抽真空 并且消除了模具中的通气孔的必要性。 在本发明中实践的模具在模具的螺纹，侧壁和胎圈部分中没有通气孔，并且沿着分型线包括至少一个真空管道，由此模腔可以抽真空至不超过16932Pa 在不超过约60秒内使用真空源。 沿着分型线径向向外设置密封件，并且在必要时，与与轮胎模具相关联的任何可移动的胎圈环相邻。 密封件优选地是其中由一个密封表面和正面密封表面经历的压力之间的差异导致更有效的密封布置的类型。 根据本发明的方法从模具出来的轮胎没有与固化橡胶相关联的橡胶突起进入与普通轮胎模具相关联的通风孔中。
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公开(公告)号：US4031940A
公开(公告)日：1977-06-28
申请号：US551769
申请日：1975-02-21
申请人： Donald R. Bartley , Robert F. Jones
发明人： Donald R. Bartley , Robert F. Jones
IPC分类号： B60C15/028 , B29C73/16 , B60C15/024 , B60C17/04 , B60C17/06 , B60C15/00
CPC分类号： B60C17/06 , B60C15/024 , B60C17/10
摘要： A pneumatic tire is adapted for combination with an internally situated device, such as an emergency support member. The tire has at least one specially constructed bead portion which includes a conventional bead core or member and an additional bead member spaced axially inwardly therefrom. In the space between the two bead members is formed an anchoring channel contoured to tightly receive an anchoring means provided on the device to be situated internally of the tire.
摘要翻译： 充气轮胎适于与内部定位的装置（例如紧急支撑构件）组合。 轮胎具有至少一个特别构造的胎圈部分，其包括常规胎圈芯或构件以及从其向内间隔开的附加胎圈构件。 在两个胎圈构件之间的空间中形成有成形的紧固通道，以紧密地容纳设置在设置在轮胎内部的装置上的锚固装置。
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公开(公告)号：US5283022A
公开(公告)日：1994-02-01
申请号：US794293
申请日：1991-11-06
申请人： Donald R. Bartley
发明人： Donald R. Bartley
CPC分类号： B29C33/10 , B29D2030/0617 , B29L2030/00 , Y10S264/78 , Y10S425/06 , Y10S425/812
摘要： A tire molding system includes a mold having a surface defining a cavity for receiving and shaping an uncured tire. The uncured tire is pressed against the surface defining the cavity. Fluid is evacuated from between the uncured tire and the surface defining the cavity. A recess extends from the cavity for forming a marking on the sidewall of the tire. A passage fluidly communicates the recess with the exterior of the mold. The passage includes a first end portion adjacent the recess and a second end portion adjacent the exterior of the mold. The second end portion extends for a distance less than one-half of the total length of the passage. A restrictor is located entirely within the second end portion of the passage for restricting fluid flow through the passage during the evacuation of fluid and before the recess is sealed off from the cavity by the uncured tire when the uncured tire is pressed against the surface defining the cavity.
摘要翻译： 轮胎成型系统包括具有限定用于接收和成形未硫化轮胎的空腔的表面的模具。 未硫化的轮胎被压在限定空腔的表面上。 流体从未固化轮胎和限定空腔的表面之间排出。 凹部从腔体延伸，以在轮胎的侧壁上形成标记。 通道将凹部与模具的外部流体连通。 通道包括邻近凹部的第一端部部分和与模具外部相邻的第二端部部分。 第二端部延伸小于通道总长度的一半的距离。 限流器完全位于通道的第二端部内，用于限制在排出流体期间流体通过通道的流体，并且在未固化的轮胎被压靠在限定出口的表面上之前，未被固化的轮胎将凹槽与空腔密封之前 腔。
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公开(公告)号：US5152951A
公开(公告)日：1992-10-06
申请号：US558378
申请日：1990-07-27
IPC分类号： B29C33/02 , B29C33/10 , B29C33/42 , B29C35/02 , B29D30/00 , B29D30/06 , B29K21/00 , B29K105/24 , B29L30/00 , B60C11/11
CPC分类号： B29C33/10 , B29D30/0606 , B29C33/42 , B29D2030/0617 , Y10S425/812
摘要： In a tire mold having a pair of mold parts separable about cooperating surfaces of the respective mold parts which define a parting line region, each of the mold parts includes a surface defining at least a portion of a cavity for shaping a tire. The tire mold further includes a plurality of pockets for defining a respective plurality of circumferentially arranged tread elements in the tire. The improvement comprises a vacuum source in fluid communication with the cavity of the tire mold for evacuating fluid from the cavity in the tire mold through a space located between the surfaces of the mold parts which define the parting line region. A vent fluidly connects a pair of adjacent pockets. A passage associated with one of the mold parts provides fluid communication between the vacuum source and one of the pair of adjacent pockets connected by the vent.
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公开(公告)号：US4447197A
公开(公告)日：1984-05-08
申请号：US517092
申请日：1983-07-25
申请人： Donald R. Bartley , James M. Haase
发明人： Donald R. Bartley , James M. Haase
CPC分类号： B29C33/10 , B29D2030/0617 , Y10S425/812
摘要： A tire mold having air venting passages or holes is provided with plastic inserts or plugs for the vent holes along the cavity side of the mold. The inserts are composed of a plastic material having a heat distortion temperature of no less than 275.degree. F. at 66 psi in accordance with ASTM D648 and a coefficient of thermal expansion less than 8.times.10.sup.-5 in/in/.degree.C.
摘要翻译： 具有排气通道或孔的轮胎模具设置有用于沿着模具的空腔侧的通气孔的塑料插入件或塞子。 插入件根据ASTM D648在66psi下具有不低于275°F的热变形温度的塑料材料和小于8×10-5in / in /℃的热膨胀系数。
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公开(公告)号：US5075067A
公开(公告)日：1991-12-24
申请号：US385605
申请日：1989-07-26
IPC分类号： B29C33/10
CPC分类号： B29C33/10 , B29D2030/0617 , B29L2030/00 , Y10S425/812
摘要： A split tire mold having a tread ring in which provision is made for venting air circumferentially across the inner surface of the tread ring so that the air escapes from the parting line of the mold halves, dispenses with widely used, conventional, radially protruding vent stubs. The air is vented through "butterfly-shaped" or "double-wedge-shaped" arch-vents which provide passage for trapped air above each tread block of the tread as it is moved against the inner surface of the tread ring. The shape of the arch-vent passages and the angulation of the wedges is critical to the effectiveness of the arch-vent which forms an arch-vent bridge of cured rubber in a cured tire. The configuration of the bridge allows as cured tire to be easily removed from the mold cavity without leaving a broken-off piece of the rubber bridge to plug the arch-vents. This arch-vent design leaves unobtrusive flat-sided, narrow wedge-shaped pieces of rubber as the arch-vent stubs, tapered in two directions. The arch-vent stubs, when viewed in the radial direction towards the center of the tire, are so unobtrusive as to be cosmetically acceptable in a finished tire. The upper surface of the arch-vent is close to the inner surface of the tread ring and essentially horizontal, while the lower surface of each arch-vent is inclined at an angle in the range from 30.degree.-50.degree. to the horizontal plane, but in opposite directions. An angle in this range provides surprising strength in the base area of the arch-vent stub so that, upon stripping the tire from the mold, the arch-vent bridge of cured rubber breaks cleanly and reliably at the narrowest and weakest point in the bridge.
摘要翻译： 一种具有胎圈环的分割轮胎模具，其中设置有用于沿胎面环的内表面周向排气的空气，使得空气从半模的分型线逸出，省去了广泛使用的常规的径向突出的出气口 。 空气通过“蝴蝶形”或“双楔形”拱形通风孔排放，当胎面相对于胎面环的内表面移动时，它们在胎面的每个胎面花纹块之上提供通道。 拱形通道的形状和楔形的角度对于在固化轮胎中形成固化橡胶拱形桥的拱形孔的有效性是至关重要的。 桥的构造允许作为硫化轮胎容易地从模腔中移除而不留下橡胶桥的断裂片来堵塞拱形孔。 这种拱形设计留下不引人注意的扁平，狭窄的楔形橡胶片作为拱形出口桩，在两个方向上逐渐变细。 当从径向朝向轮胎的中心观察时，拱形出口短柱是非常不引人注目的，在成品轮胎中在化妆品上是可接受的。 拱形孔的上表面靠近胎面环的内表面并且基本上是水平的，而每个拱形孔的下表面以与水平面成30°-50°的角度倾斜， 但在相反的方向。 该范围内的角度在拱形基座的基部区域提供令人惊奇的强度，使得在从模具剥离轮胎时，固化橡胶的拱形桥在桥的最窄和最弱点处清洁可靠地断裂 。
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公开(公告)号：US4881881A
公开(公告)日：1989-11-21
申请号：US153179
申请日：1988-02-08
CPC分类号： B29C33/10 , B29D2030/0617 , B29L2030/00 , Y10S425/812
摘要： A split tire mold having a tread ring having arch-vents for venting air circumferentially across the inner surface of the tread ring so that air escapes from the parting line of the mold halves. The "dougle-wedge-shaped" arch-vents provide passage for trapped air above each tread block of the tread as it is moved against the inner surface of the tread ring. The shape of the arch-vent passages and the angulation of the wedges is critical to the effectiveness of the arch-vent which forms an arch-vent bridge of cured rubber in a cured tire. The configuration of the bridge allows a cured tire to be easily removed from the mold cavity without leaving a broken-off piece of the rubber bridge to plug the arch-vents. This arch-vent design leaves flat-sided, narrow wedge-shaped pieces of rubber as the arch-vent stubs, tapered in two directions. The arch-vent stubs, viewed in the radial direction are so unobtrusive as to be cosmetically acceptable in a finished tire. The upper surface of the arch-vent is close to the inner surface of the tread ring and essentially horizontal, while the lower surface of each arch-vent is inclined at an angle in the range from 30.degree. -50.degree. to the horizontal plane, but in opposite directions. An angle in this range provides strength in the base area of the arch-vent stub so that, upon stripping the tire from the mold, the arch-vent bridge of cured rubber breaks cleanly and reliably at the narrowest and weakest point in the bridge.
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