CN1027185C - 一种用于道路表面的方向指示路面标志带 - Google Patents
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Abstract
一种改良的定向反射粒珠道路及其之类路面用的标志带,由依次隔开的楔形所形成。被分割成梯形块的楔形成行状,该梯形块至少在它的倾斜的前、侧和后表面上含有定向反射的粒珠,依次的各排上的凸块是错开的。标志带最好由橡皮之类的不留存变形的底面,及横向连着的弹性自行复原的上表面形成。
Description
本发明涉及特殊的路面标志带的结构,该路面标志是沿机动高速公路、机场以及其它路面行驶方向,它是通过下述结构来实现的,即,将薄的路面标志带粘附在车辆行驶的路面或类似路面的表面上,这种标志带使用依次相间隔的楔形块,该楔形块有时可为具有定向反射质地,有时又仅具有漫射表面,本发明与为此目的其及有关的意图而用的改良的路面标志带密切相关。
在本人早先发布的专利中(专利证书号:4681401,日期:1987年7月21日),揭示了一种有效的、改进了的路面标志带,这种薄的标志带适于粘附到路面或类似的表面,是具有一定新颖的平整锯齿状的楔形块,该楔形块具有定向反射物质,它的纵向竖直剖面最好基本上呈梯形,楔形块之间具有相当严格的间距,并且该间距与楔形块的高度和宽度有关,在日光下,为了消除阴影效应,以求改善日光下的可见性,提高有效性和寿命,特别是在雨雪覆盖表面的状况下。涉及这种类型的技术的现有技术被公开在下列美国专利中:专利证书号为4,236,788;4,069,787;4,040,760和3,920,346。
尽管本人的路面标志带早先的专利(专利号:4,681,401)是非常有前途的,但在更为艰苦的使用状况下的试验中依然遇到某些困难,如在下暴雨大雪时的
情况,使用重型卡车的实际情况以及在寒冷气候里使用扫雪机和类似工具的实际情况。实践中已发现:横向依次的楔形块,该楔形块倾斜的梯形前方和指引表面上为了防止在阳光投射下产生阴影而使标志带模糊不清而具有定向反射物质,上述楔形块必需有的间隔在一些情况下有些实际问题,如扫雪机铲斗卡在水平纵向延伸的楔形块之间的间隔空间中,这就会导致未能预料到的磨损和损坏。此外,该装置严酷的使用,特别是磨损后,在潮湿的情况下,已发现其有效可见度下降,这就使之引出了本发明在楔形块相当严格的高度尺寸方面的另一特点。
欧洲专利EP232980揭示了一种道路标志带,这种标志带具有可以粘在道路上的橡胶底面,并具有弹性的上表面,且该上表面形成为纵向间隔开的楔形块。这种道路标志带在白天由于太阳和驶近汽车的位置,而在楔形块间产生阴影,而影响标志带的效果;而在雪天,扫雪机的扫雪铲的边缘常会插入在楔形块之间而损伤楔形块。
为此,本发明的目的是提出一种用于道路表面的方向指示路面标志带,利用该标志带的楔形块之间的位置设置及形状设计,使该标志带具有良好的能见度并不会卡住扫雪机。
根据本发明,已发现楔形块之间合适的间隔空间的优点是能被保持,以防止在日光下,由于在相间的楔形块之间安插的一个中间楔形块而引起的阴影使得路标模
糊不清。这也是为了提供一个较宽的角,并且确实多少是对入射光线全向反射的,如从夜晚的头顶直射光或斜射光反射,其可见性如同在白天一样。这些楔形块最好是断开,或者间隔,或者中断,使之以块的形式形成线,并最好要有严格的矩形的比例和间隔间距,以下将予以解释。这一技术不仅很好地限制了诸如重型扫雪机之类的挖掘时产生的有害后果,而且能维持相间错开的楔形块的间隔,使之有足够的纵向间隔空间距离来有效地防止前面所述的一系列严重的阴影,防止由于楔形块的阴影造成的严重阴影和可能的路标模糊不清,同时也可避免扫雪机卡在相间错开的楔形块之间的这种间隔空间内。从本新颖的结构还能得到其他的改善,这将在下面指出。
简言之,从其观点之一来说,本发明提供了一种指示方向的表面标志带,适用于道路及诸如此类的表面,该路面标志带包含一个类似橡胶的底面(不留存变形的),用于粘附在道路上。还包含一个横向连着的可塑的弹性自行复原的上表面(聚氨基甲酯,聚氯乙稀,聚碳酸酯,环氧树脂,橡胶等)。所述这个标志带的上表面被间断地向上变形以形成依次纵向隔开的楔形,该楔形在其纵向的垂直剖面基本为梯形。并且,每一楔形被横向间断或间隔而被分隔成多个相似的凸块,该凸块的横向垂直剖面基本上为梯形。每个楔形的每个凸块具有基本上水平的顶面,该顶面由倾斜的前、后和侧面围成并且其周边基本上为矩形,该矩形的面积实质上大于每个倾斜面的面积。为了减小阴影效果,并且产生最大的
日照下的光线可见度,矩形在纵向是较长的。每一隔开的分成块的楔形是与其相邻接的分成块的楔形横向错开的。分成块的相间错开的楔形的相应的块是由基本上水平的表面所隔开,该水平表面纵向长度大于所述两倍的所述块的顶面纵向宽度,每个楔形块的前、后和侧倾斜面的一个或一个以上的面上具有暴露的定向反射小型玻璃球体层。对于投射来的光线凸块具有基本上是全方位的定向反射,分成块的相间错开的楔形之间的中间成块的楔形限制着雪铲之类的东西挖入,然而,成块的相间错开的楔形是有足够的纵向空开使能防止由于楔形凸块的阴影而使其模糊不清。
推荐的实施例以及最佳结构模型以下予以详述。
现将结合附图描述本发明,图1a是根据本发明构成的路面标志带的局部片断的立体视图,该路标具有在图示中稀疏地表示出的定向反射粒珠。然而,仍然是要通过结构来搞清楚的。
图1、2和3是路面标志带相似的断面,具有楔形块的行之间依次增大的间隔平面空间,表示着入射光的照射;
图4、5和6是改良的路标带结构的相似的图。图4表示一种变形成楔形的橡皮路标带,在其顶部具有如聚氨酯、聚碳酸酯、聚氯乙稀或相似的材料的覆盖层。图5表示一种聚氯乙稀为基座的路标带。图6表示在橡皮基座和粘附层之间有网孔织物夹层。
参照附图,图1a一般地表示本发明的路面标志带S,
该标志带以胶合剂A粘附固定到道路R上,并包含着纵向依次空隔开的横向排放的楔形,每个楔形被横向分隔或间断成多个块-前面的楔形块1;次之为楔形块1′;其次的楔形块行为1″;再次的1″′等等。每个楔形块的垂直剖面最好基本上为梯形(图1-6),每个楔形块具有前、后和侧倾斜面,如图1中分别以FF、RF和SF所示,带有暴露的定向反射玻璃粒珠层3,每个成块状的楔形(1,1″等)与其相邻接的被分成块状的楔形(1′,1″′等)是横向错开的。正如以下会更明显地说明,每个楔形块具有以所述前、后和侧倾斜面(分别为FF、RF、SF)为边界的平的顶面T,并且该顶面的边界基本为矩形,其面积实质上大于每一个倾斜表面的面积,顶面T的尺寸可为0.20×0.30(英寸×英寸),前倾斜面和后倾斜面,即,FF和RF可为0.05×0.20(英寸×英寸),矩形块沿纵向方向是较长的,为的是阴影效应最小,并且在日光下获得最大的光射清晰度。
现已发现,由于楔形的纵向间隔dw增大,就使得从驶近的车辆观察的距离较大,正如将结合图1至3解释的那样,只要楔形纵向上有的间隔宽度是合适的,则更为有利。楔形块行1-1′-1″-1″′等被间隔得越远,在给定距离处,驶近的车辆驾驶员能见到楔形块斜面的越下部位,这是关键性的,因为在使用中由于顶面T的粒珠被磨去,棱角变园,能见度受限。另一方面,如前所述,楔形块分隔得越开,就越可能被扫雪铲卡入。然而,楔形块1-1′-1″-1″′等的交叉或错开使这种影响降至最
小程度。
如图1-3中所示,接近的车辆观察者的观察角,标以α(光线以有阴影和无阴影的色调表示),并且楔形块之间纵向上的间隔距离,如前所述为dw,此间隔距离dw从图1中的dw=1上升到图2和3中的dw=2,由同样的观察角α将可发现在图1中的楔形块前侧F上的粒珠的可见高度是h,该高度h小于楔形块总高H,但是,在图2中,具有间隔dw=2时,该可见高度h等于总高H。大于dw=2的间隔(例如,实际上大约为0.700英寸,大于楔形块水平顶表面长度方向二倍)则更允许车辆操作者能在此图1所示更大的距离上初始发现或瞥见,如图3中从较低的观察角α′看,是很明显的,也就是可见范围更大。
根据本发明,这些楔形块的最小高度约为0.050英寸,这已被发现是相当关键的,因为在使用时,在暴雨中聚集其上的水层厚度平均大约为0.040英寸。
关于具有采用这种结构的路面标志片,其实际应用结构详述如下:图4是其断面,其中最好采用一种橡皮基座2的不留存变形的表面,该表面是向上变形以形成间断相隔的梯形块楔形行1,1′,1″等。具有一种覆盖层或顶部外壳4,该覆盖层4是横向连着的弹性自行复原的塑料层,其厚度大约为0.002-0.004英寸,是聚氨酯、聚碳酸酯、环氧树脂、聚氯乙稀或者类似的覆盖层,并且有突起的粒珠3,最好嵌入60%,还在标志带底部具有一附着层A,以便粘着于道路R上,合适的
附着层是丁基橡胶或是丁腈橡胶压力敏感材料。
图5表示一种与上述有些相似的结构,除了采用聚氯乙稀或相似的材料的基座2′代替向上凸起的橡皮基座,该基座2′具有十分薄的凹谷底,其厚度大约为0.002-0.004英寸。如图5的实施例所示,紧靠着有凸起的楔形的聚氯乙稀基座是一种不留存变形的橡皮基座6,并有有粘着物的粘着层A,可使标志带粘着于道路R上。
图6所示改良过的结构与图4相似,所不同的是在附着层A和具有凸起的楔形1-1′-1″等的橡皮基座2之间夹着一种网孔织物C,其目的是有利于制造工艺,因为一旦橡皮基座形成楔形块的凸起部分,它就缺乏足够的强度。为了防止因过大的力而可能使标志带失去适应性,采用一种网织物是合适的。
为了降底成本,玻璃粒珠3只是压入标志带的表面。而为了增加产品的寿命和质量需具有顶部覆盖层4,可考虑用一种聚氨酯的顶部覆盖层,它是溶剂基类物质,即可为水溶基类物质或其他溶剂的物质,顶部覆盖是敷在橡胶基座物质上,并在其干燥之前,粒珠被嵌满到其整个表面上。当溶剂干燥后,就可以压成上述的楔形块,除非这种楔形块在顶部覆盖层之前就做成了。顶部覆盖层可以选用聚丙烯或环氧树酯,或二者结合,它们由于化学作用而凝固。一旦凝固,珠粒3就被固定,这种顶部覆盖层且是粗糙的、抗磨的,该层趋向于固紧间隔隆起的外形,而比只用橡胶好一点,它缺乏留存变形,而有冷变形特征,然而,存在着精密的平衡,如
果采用的顶覆盖层过甚,冷变形将丧失,对此要求理想程度的适应性。
在这种结构中,定向反射粒珠布满楔形块的全部表面,其中包括顶面T和块之间的水平面。当粒珠是后期嵌入的话,选择带有粒珠的表面是能办到的,如果要求的话,可不在顶面或块间表面上提供粒珠,这确实是一样可用的。如果明亮的反射不要求的话,漫反射表面可取代粒珠。
对于本人早先的专利(专利证书号:u.s4,681,401)中公开的楔形而言,楔形之间的谷底能做得十分薄,使之能使标志带能在一个座标方向上容易地适应,但不是正交-这种隆起或楔形阻止着这个方向上的适应性。根据本发明的被隔成楔形块的结构,被空格间断的这些楔形,以及再具有薄的谷底,在正交方向以至所有方向上的适应性是可以获得的。图5中具有环氧树脂楔形(或者固体聚氨酯或聚碳酸酯)的优点超过图4中的直的橡皮基座楔形优点是在于它具有更好、更耐磨的特征。很明显,比具有冷变形特点的没有横向连着的橡皮,它是一种更坚韧的材料。
Claims (8)
1、一种用于道路表面的方向指示路面标志带,其中包含一种基本上不留存变形的用以粘着于道路的橡皮的底面,以及一种横向连着的弹性自行恢复的上表面,所述标志带的该上表面是间隔的向上凸起形状,以形成依次纵向隔开的楔形块,该楔形块在其纵向的垂直断面基本上为梯形,其特征在于:每一楔形块在横向被间断或间隔,而被分隔成多个相似的凸块,该凸块的横向垂直断面基本上为梯形,每个楔形块的每个凸块具有基本上水平的顶面,该顶面由倾斜的前、后和侧面围成,并且其周边基本上为矩形,该矩形的面积实质上大于每一个倾斜面的面积,为了减少阴影效果和增大日照的可见度,矩形在纵向较长,被相隔的间隔成凸块的每一个楔形块是与跟它邻接的被间隔成凸块的楔形块错开的,成凸块的相间错开的楔形块的相应的块是由基本上水平的表面隔开的,该水平表面纵向宽度大于两倍的所述凸块顶面的纵向宽度,每个楔形块的前、后和侧倾斜面具有暴露的定向反射粒珠层,对于投射来的光线,从凸块的前、后和侧倾斜面的定向反射基本上是全方位的定向反射,并且居于成凸块的相间错开的楔形之间的成凸块的楔形块限制着雪铲的挖入,并使成凸块的相间错开的楔形块具有足够的纵向空隔,以防止由于楔形凸块的阴影面使标志带模糊不清。
2、如权利要求1所述方向指示路面标志带,其特征是,其中所述上部弹性表面可选择下述材料,聚氨脂、聚氯乙稀、聚碳酸脂、环氧树脂以及橡皮。
3、如权利要求1所述方向指示路面标志带,其特征是,其中楔形块纵向宽度大约0.300英寸,横向宽度大约是0.200英寸,为了雨中的可见性,高度大于约0.040英寸。
4、如权利要求3所述方向指示路面标志带,其特征是,其中所述相间错开的楔形的相应的块之间的水平表面的纵向宽度大约是0.700英寸。
5、如权利要求1所述方向指示路面标志带,其特征是,其中有一网孔织物被夹在标志带之中。
6、如权利要求1所述方向指示路面标志带,其特征是,其中所述凸块的水平顶面也具有定向反射粒珠。
7、如权利要求1所述方向指示路面标志带,其特征是,其中所述将成凸的块相间错开的楔形块间隔水平表面上也是具有定向反射粒珠。
8、一种用于道路表面的方向指示路面标志带,其中包含一种基本上不留存变形的用以粘着于道路的橡皮的底面,以及一种横向连着的弹性自行恢复的上表面,所说标志带的该上表面是间隔的向上凸起形状,以形成依次纵向隔开的楔形块,该楔形块在其纵向的垂直断面基本上为梯形,其特征在于:每一楔形块在横向被间断或间隔,而被分隔成多个相似的凸块,该凸块的横向垂直断面基本上为梯形,每个楔形块的每个凸块具有基本上水平的顶面,该顶面由倾斜的前、后和侧面围成,并且其周边基本上为矩形,该矩形的面积实质上大于每一个倾斜面的面积,为了减少阴影效果和增大日照的可见度,矩形在纵向较长,被相隔的间隔成凸块的每一个楔形块是与跟它邻接的被间隔成凸块的楔形块错开的,成凸块的相间错开的楔形块的相应的块是由基本上水平的表面隔开的,该水平表面纵向宽度大于两倍的所述凸块顶面的纵向宽度,每个楔形块的前、后和侧倾斜面具有暴露的漫反射表面,对于投射来的光线,从凸块的前、后和侧倾斜面的定向反射基本上是全方位的定向反射,并且居于成凸块的相间错开的楔形之间的成凸块的楔形块限制着雪铲的挖入,并使成凸块的相间错开的楔形块具有足够的纵向空隔,以防止由于楔形凸块的阴影面使标志带模糊不清。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| USN0.283192 | 1988-12-12 | ||
| USN0.283,192 | 1988-12-12 | ||
| US07/283,192 US4969713A (en) | 1988-12-12 | 1988-12-12 | Marker strip surface for roadways and the like |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1043358A CN1043358A (zh) | 1990-06-27 |
| CN1027185C true CN1027185C (zh) | 1994-12-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89109145A Expired - Fee Related CN1027185C (zh) | 1988-12-12 | 1989-12-11 | 一种用于道路表面的方向指示路面标志带 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4969713A (zh) |
| EP (1) | EP0373826B1 (zh) |
| JP (1) | JP2650762B2 (zh) |
| KR (1) | KR970002856B1 (zh) |
| CN (1) | CN1027185C (zh) |
| AT (1) | ATE101673T1 (zh) |
| CA (1) | CA1315587C (zh) |
| DE (1) | DE68913168T2 (zh) |
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-
1988
- 1988-12-12 US US07/283,192 patent/US4969713A/en not_active Expired - Lifetime
-
1989
- 1989-08-25 KR KR1019890012154A patent/KR970002856B1/ko not_active Expired - Fee Related
- 1989-08-31 JP JP1226361A patent/JP2650762B2/ja not_active Expired - Lifetime
- 1989-09-21 CA CA000612395A patent/CA1315587C/en not_active Expired - Fee Related
- 1989-12-06 DE DE68913168T patent/DE68913168T2/de not_active Expired - Fee Related
- 1989-12-06 AT AT89312729T patent/ATE101673T1/de not_active IP Right Cessation
- 1989-12-06 EP EP89312729A patent/EP0373826B1/en not_active Expired - Lifetime
- 1989-12-11 CN CN89109145A patent/CN1027185C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1043358A (zh) | 1990-06-27 |
| DE68913168D1 (de) | 1994-03-24 |
| EP0373826A2 (en) | 1990-06-20 |
| KR900010154A (ko) | 1990-07-06 |
| KR970002856B1 (ko) | 1997-03-12 |
| EP0373826B1 (en) | 1994-02-16 |
| JP2650762B2 (ja) | 1997-09-03 |
| US4969713A (en) | 1990-11-13 |
| CA1315587C (en) | 1993-04-06 |
| ATE101673T1 (de) | 1994-03-15 |
| DE68913168T2 (de) | 1994-09-08 |
| EP0373826A3 (en) | 1991-02-06 |
| JPH02178406A (ja) | 1990-07-11 |
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