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    Ultra-flexible retroreflective cube corner composite sheetings and methods of manufacture
    1.
    发明授权
    Ultra-flexible retroreflective cube corner composite sheetings and methods of manufacture 失效
    超柔性回归立方角复合片及其制造方法

    公开(公告)号：US5691846A

    公开(公告)日：1997-11-25

    申请号：US472444

    申请日：1995-06-07

    申请人： Olester Benson, Jr. ,  Cheryl M. Frey ,  Jeanine M. Shusta ,  Susan K. Nestegard ,  Vera L. Lightle ,  Kenneth L. Smith ,  Chester A. Bacon, Jr.

    发明人： Olester Benson, Jr. ,  Cheryl M. Frey ,  Jeanine M. Shusta ,  Susan K. Nestegard ,  Vera L. Lightle ,  Kenneth L. Smith ,  Chester A. Bacon, Jr.

    IPC分类号： B29C39/14 ,  G02B5/124

    CPC分类号： B29C39/148 ,  G02B5/124 ,  Y10S359/90 ,  Y10T428/24612

    摘要： A method for manufacturing flexible cube corner retroreflective sheeting comprising the steps of: a) providing a tool having a molding surface; b) applying to the molding surface a volume of a flowable resin composition; c) contacting the resin composition with a first major surface of an overlay film; d) minimizing excess resin composition; e) curing the resin composition to form a sheeting comprising an array of cube corner elements bonded to the overlay film; f) removing the sheeting from the tool; and g) applying mechanical stress to the sheeting so as to cause a fractured separation of substantially each individual cube corner element from surrounding cube corner elements. Also, flexible retroreflective sheetings comprising: a) a two dimensional array of substantially independent cube corner elements, the array comprising a first polymeric material, and b) an overlay film having two major surfaces and comprising of a second polymeric material, the array being bonded to the first major surface of the overlay film. Also safety devices incorporating such sheetings.

    摘要翻译： 一种用于制造柔性立方角回射片的方法，包括以下步骤：a）提供具有成型表面的工具; b）向成型表面施加一定体积的可流动树脂组合物; c）使树脂组合物与覆盖膜的第一主表面接触; d）最小化过量的树脂组成; e）固化树脂组合物以形成片材，其包含结合到覆盖膜的立方角元件阵列; f）从工具上取下薄片; 并且g）对所述片材施加机械应力，从而导致基本上每个单独的立体角元件与周围的立体角元件断裂分离。 而且，柔性回射片包括：a）基本上独立的立体角元件的二维阵列，所述阵列包括第一聚合物材料，和b）具有两个主表面并包含第二聚合物材料的覆盖膜，所述阵列被结合 覆盖膜的第一主表面。 还有包括这种片材的安全装置。

    Glittering cube-corner retroreflective sheeting
    2.
    发明授权
    Glittering cube-corner retroreflective sheeting 失效
    闪闪发光的立方角回射片

    公开(公告)号：US5840405A

    公开(公告)日：1998-11-24

    申请号：US640326

    申请日：1996-04-30

    申请人： Jeanine M. Shusta ,  Paul E. Marecki ,  Matthew R. Atkinson ,  Cheryl M. Frey ,  Olester Benson, Jr.

    发明人： Jeanine M. Shusta ,  Paul E. Marecki ,  Matthew R. Atkinson ,  Cheryl M. Frey ,  Olester Benson, Jr.

    IPC分类号： G02B5/124

    CPC分类号： G02B5/124 ,  Y10T428/24479

    摘要： A cube-corner retroreflective sheeting 60 includes an array of cube-corner elements 30 that are defined by three sets of intersecting parallel grooves 45, 46, 47. The cube-corner elements 30 are arranged in the array such that the sheeting 60 glitters when exposed to light. The glitter is in the form of many discreet points of light that tend to blink on and off when viewed by the naked eye. The array may be configured such that a dihedral angle .alpha. varies between adjacent cube faces 31 of adjacent cube-corner elements 30 in each groove in one of the groove sets 45, 46, or 47 and such that base planes are not parallel to each other when the sheeting 60 is laid flat. Preferably, the dihedral angle .alpha. between faces 31 of adjacent cube-corner elements 30 varies in essentially all of the grooves such that the cube-corner elements are randomly tilted throughout the array. The sheeting glitters very well under daytime viewing conditions and also to some extent under nighttime or retroreflective conditions. The glittering effect can enhance the sheeting's conspicuity, and hence highlight a person's presence to give them improved safety and security.

    摘要翻译： 立体角回归反射片60包括由三组相交的平行凹槽45,46,47限定的立体角元件阵列30.立体角元件30被布置在阵列中，使得片材60闪烁时 曝光 闪光是以肉眼观察到的许多谨慎的光线，其倾向于眨眼开启和关闭。 阵列可以被配置为使得二面角α在凹槽组45,46或47中的一个中的每个凹槽中的相邻立体角元件30的相邻立方体表面31之间变化，并且使得基面不彼此平行 当片60平放时。 优选地，相邻立体角元件30的面31之间的二面角α在基本上所有的凹槽中变化，使得立体角元件在整个阵列中随机倾斜。 在白天观看条件下，还可以在一定程度上在夜间或回归条件下，片材闪烁。 闪闪发光的效果可以增强片材的显着性，从而突显出一个人的存在，使他们提高安全性和安全性。

    Method of making glittering cube-corner retroreflective sheeting
    3.
    发明授权
    Method of making glittering cube-corner retroreflective sheeting 失效
    制作闪闪发光的立方隅角后向反光片的方法

    公开(公告)号：US5770124A

    公开(公告)日：1998-06-23

    申请号：US641129

    申请日：1996-04-30

    申请人： Paul E. Marecki ,  Jeanine M. Shusta ,  Matthew R. Atkinson ,  Cheryl M. Frey ,  Olester Benson, Jr.

    发明人： Paul E. Marecki ,  Jeanine M. Shusta ,  Matthew R. Atkinson ,  Cheryl M. Frey ,  Olester Benson, Jr.

    IPC分类号： A41D13/01 ,  G02B5/124 ,  B29D11/00

    CPC分类号： G02B5/124 ,  A41D31/0094

    摘要： A method of making a glittering cube-corner sheeting, which method includes: (a) providing a first retroreflective sheeting that includes an array of cube-corner elements arranged in a repeating pattern; and (b) exposing the first retroreflective sheeting to heat, pressure, or a combination thereof to produce a second retroreflective sheeting that comprises an array of cube-corner elements that are randomly tilted; or which method may comprise: (a) providing a mold that has a structured surface that includes a multiplicity of cube-comer elements, the cube-corner elements each including a base plane and three faces, the cube-corner elements being arranged such that the base planes do not reside in the same plane when the sheeting is laid flat; and (b) forming a cube-corner sheeting from the mold.

    摘要翻译： 一种制造闪闪发光的立体角片材的方法，该方法包括：（a）提供包括以重复图案布置的立体角元件阵列的第一回射片材; 和（b）将第一回射片材暴露于热，压力或其组合以产生包括随机倾斜的立体角元件阵列的第二回射片材; 或者哪个方法可以包括：（a）提供具有包括多个立方体角元件的结构化表面的模具，所述立体角元件各自包括基面和三个面，所述立体角元件被布置成使得 当平板布置时，基面不会在同一平面上; 和（b）从模具形成立体角片材。

    Glittering cube-corner article
    4.
    发明授权
    Glittering cube-corner article 失效
    闪闪发光的立体角文章

    公开(公告)号：US5948488A

    公开(公告)日：1999-09-07

    申请号：US641451

    申请日：1996-04-30

    申请人： Paul E. Marecki ,  Jeanine M. Shusta ,  Matthew R. Atkinson ,  Cheryl M. Frey ,  Olester Benson, Jr.

    发明人： Paul E. Marecki ,  Jeanine M. Shusta ,  Matthew R. Atkinson ,  Cheryl M. Frey ,  Olester Benson, Jr.

    IPC分类号： G02B5/124 ,  B32B3/30

    CPC分类号： G02B5/124 ,  Y10T428/24479

    摘要： A glittering non-retroreflective sheeting 60 includes an array of cube-corner elements 30 that are arranged in the array such that the sheeting glitters when light is incident thereon. The glitter is in the form of many discrete points of light 68 that tend to blink off and on. The array may be configured such that a dihedral angle .alpha. varies between adjacent cube faces 31 of adjacent cube-corner elements 30 in each groove in one of the groove sets 45, 46, or 47 and such that the base plane 36 are not parallel to each other when the sheeting 60 is laid flat. Preferably, the dihedral angle .alpha. between faces 31 of adjacent cube-corner elements 30 varies in essentially all of the grooves such that the cube-corner elements are randomly tilted throughout the array. The glitter can make the sheeting very useful for aesthetic or decorative applications.

    摘要翻译： 闪光的非回射片60包括排列成阵列的立体角元件阵列，使得当光入射时，片材闪烁。 闪光是以许多离散的光线68的形式，倾向于闪烁和打开。 阵列可以被配置为使得二面角α在凹槽组45,46或47中的一个中的每个凹槽中的相邻立体角元件30的相邻立方体表面31之间变化，并且使得基座平面36不平行于 当薄片60平放时，彼此相对。 优选地，相邻立体角元件30的面31之间的二面角α在基本上所有的凹槽中变化，使得立体角元件在整个阵列中随机倾斜。 闪光灯可以使片材对美学或装饰应用非常有用。

    Dual orientation retroreflective sheeting
    7.
    发明授权
    Dual orientation retroreflective sheeting 失效
    双向定向反光片

    公开(公告)号：US5936770A

    公开(公告)日：1999-08-10

    申请号：US887006

    申请日：1997-07-02

    申请人： Susan K. Nestegard ,  Gerald M. Benson ,  Cheryl M. Frey ,  John C. Kelliher ,  James E. Lasch ,  Kenneth L. Smith ,  Theodore J. Szczech

    发明人： Susan K. Nestegard ,  Gerald M. Benson ,  Cheryl M. Frey ,  John C. Kelliher ,  James E. Lasch ,  Kenneth L. Smith ,  Theodore J. Szczech

    IPC分类号： G02B5/124

    CPC分类号： G02B5/124

    摘要： A cube corner retroreflective sheeting construction comprising alternating zones of cube corner element arrays disposed at approximately ninety degrees orientations to provide exactly two principal plane of improved retroreflective performance in response to light incident on the sheeting at high entrance angles is disclosed. According to one embodiment the sheeting includes a body layer which has an elastic modulus less than 7.times.10.sup.8 pascals and cube corner elements formed from a material which has an elastic modulus greater than 16.times.10.sup.8 pascals. According to a second embodiment the sheeting includes an overlay film having two major surfaces and comprising a first polymeric material and a plurality of arrays of substantially independent cube corner elements bonded to a major surface of the overlay film having a minimal, fractured land.

    摘要翻译： 公开了一种立体角回射片结构，其包括以约90度取向设置的立体角元件阵列的交替区域，以提供响应于以高入射角入射到片材上的光的精确的两个提高的回射性能的主平面。 根据一个实施例，片材包括具有小于7×10 8帕斯卡的弹性模量的主体层和由具有大于16×10 8帕斯卡的弹性模量的材料形成的立体角元件。 根据第二实施例，片材包括具有两个主表面并且包括第一聚合物材料和多个基本上独立的立体角元件的阵列的覆盖膜，其结合到覆盖膜的主表面，具有最小的断裂的接合面。