JPH0464606A - Road sign material - Google Patents
Road sign materialInfo
- Publication number
- JPH0464606A JPH0464606A JP2176435A JP17643590A JPH0464606A JP H0464606 A JPH0464606 A JP H0464606A JP 2176435 A JP2176435 A JP 2176435A JP 17643590 A JP17643590 A JP 17643590A JP H0464606 A JPH0464606 A JP H0464606A
- Authority
- JP
- Japan
- Prior art keywords
- rock
- paint
- dando
- road
- road sign
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 19
- 239000011435 rock Substances 0.000 claims abstract description 79
- 239000010453 quartz Substances 0.000 claims abstract description 40
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000003973 paint Substances 0.000 claims abstract description 32
- 241000923606 Schistes Species 0.000 claims description 28
- 239000000049 pigment Substances 0.000 claims description 9
- 238000007654 immersion Methods 0.000 claims 1
- 238000004042 decolorization Methods 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000004575 stone Substances 0.000 description 6
- 238000004040 coloring Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000010426 asphalt Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000011044 quartzite Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004606 Fillers/Extenders Substances 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Road Signs Or Road Markings (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は道路の舗装材、標識塗料等の道路標識材に係る
ものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to road marking materials such as road paving materials and marking paints.
（従来の技術）
従来の舗装道路として使用されているコンクリート道路
、アスファルト道路は、舗装材料であるコンクリート、
アスファルトの骨材として天然の礫、砂、砕石等が使用
されている。(Conventional technology) Concrete roads and asphalt roads, which are conventionally used as paved roads, are made of concrete, which is the paving material.
Natural gravel, sand, crushed stone, etc. are used as aggregate for asphalt.
また道路標識用塗料としては、例えば白色セメントを増
量材とした白色塗料等が使用されていた。Furthermore, as road sign paints, for example, white paints using white cement as an extender have been used.
（発明が解決しようとする課！！！り
しかしながら前記従来のコンクリート道路、アスファル
ト道路は夜間運転の際に明度が不足し、道路が濡れてい
るときはこの傾向が顕著で、危険な場合が多い。(This is a problem that the invention aims to solve!!! However, the conventional concrete roads and asphalt roads lack brightness when driving at night, and this tendency is noticeable when the road is wet, which is often dangerous. .
また前記道路標識用塗料においては、塗料自体にも、ま
た増量材にも耐摩耗性はないので、道路標識の損傷、摩
耗が激しく、このため定規的に補修をしなければならず
、交通量が多い程、定規的な補修のサイクルが短くなる
。In addition, in the road sign paint, neither the paint itself nor the extender has wear resistance, so the road signs are severely damaged and worn out, requiring periodic repairs. The greater the number, the shorter the regular repair cycle.
本発明はこのような実情に鑑みて提案されたもので、そ
の目的とする処は、補修道路の明度を増大し、道路ｓｒ
ｓの耐摩耗性を改善した道路標識材を提供する点にある
。The present invention was proposed in view of the above circumstances, and its purpose is to increase the brightness of repaired roads and improve road SR.
The object of the present invention is to provide a road sign material with improved abrasion resistance.
（課題を解決するための手段）
一前記の目的を達成するため、本発明に係る道路標識材
は、段戸産石英片岩、段戸産硬譬石実質岩石よりなる天
然岩石の粉砕片を、道路舗装材料、若しくは道路＆！識
塗料に混入して構成されている６（作用）
前記段戸産石英片岩、硬質石英質岩石の強度、耐摩耗性
が優れていて、更に無数の微細な孔隙を有することによ
って、溶液状顔料または染料が同孔隙内に速やかに浸透
し、岩石の内部まで一様に着色することができ、着色後
は脱色の惧れがない。(Means for Solving the Problems) In order to achieve the above-mentioned object, the road sign material according to the present invention uses crushed pieces of natural rock consisting of Dando quartz schist and Dando anhydrite parenchymal rock. Road paving materials or road &! 6 (Function) The Dando quartz schist and hard quartz rock have excellent strength and wear resistance, and also have countless fine pores, so that they can be used as pigments in solution. Alternatively, the dye can quickly penetrate into the same pores, uniformly coloring the inside of the rock, and there is no risk of decolorization after coloring.
従って明色で着色した前記段戸産石英片岩、硬質石英質
岩石よりなる天然岩石の粉砕片を道路舗装材料に骨材と
して混入することによって道路の反射率を上げ、明度を
増大しうるものである。Therefore, it is possible to increase the reflectance of roads and increase their brightness by mixing brightly colored crushed pieces of natural rocks made of Dando quartz schist and hard quartzite rocks into road paving materials as aggregates. be.
また前記天然岩石の粉砕片、または着色粉砕片を道路標
識塗料の一部または原料の一部として使用することによ
って、同塗料の耐摩耗性を増大し、塗料の色を引立てる
ことができる。Further, by using the crushed pieces or colored crushed pieces of the natural rock as part of a road sign paint or as a raw material, the wear resistance of the paint can be increased and the color of the paint can be brought out.
（実施例）
本発明を道路舗装材の骨材に適用した実施例について説
明する。(Example) An example in which the present invention is applied to aggregate for road paving material will be described.
前記骨材の材料となる段戸産石英片岩、硬質石英質岩石
の強度は下記（表−１）に示すように他の岩石より大で
ある。The strength of Dando quartz schist and hard quartz rock, which are the materials for the aggregate, is higher than other rocks as shown below (Table 1).
表−■
なお天然岩石の強度はφ１ＯＸ２０ （ｅｌｌ）のシリ
ンダを用いて測定した。天然岩石には模様があり、この
模様は強度測定においては弱点として影響する。Table - ■ The strength of natural rocks was measured using a cylinder of φ1OX20 (ell). Natural rocks have patterns, and these patterns affect strength measurements as weak points.
このため段戸産石英片岩、硬質石英質岩石等の天然岩石
を砕いたものの強度は、前記シリンダを用いて測定した
強度より遥かに高い。Therefore, the strength of crushed natural rocks such as Dando quartz schist and hard quartz rock is much higher than the strength measured using the cylinder.
また段戸産石英片岩は表−２示すように、耐摩耗性、耐
衝撃性に優れている。更に表−３に示す如く、耐酸性、
耐アルカリ性に優れており、耐久性が大である。Furthermore, as shown in Table 2, Dando quartz schist has excellent wear resistance and impact resistance. Furthermore, as shown in Table 3, acid resistance,
It has excellent alkali resistance and is very durable.
表−２
＊１ 振動器！！！機で３時間研磨した時の減量＄２
ＡＳＴＭ規格Ｅ ４３６−７４による。Table-2 *1 Vibrator! ! ! Weight loss after polishing for 3 hours with a machine: $2
According to ASTM Standard E 436-74.
なお段戸産硬質石実質岩石も前記段戸産石英片岩と同様
な特性を有する。It should be noted that the hard stone substance rock produced in Dando also has the same characteristics as the quartz schist produced in Dando.
更に段戸産石英片岩、段戸産硬質石実質岩石は他の天然
岩石と異なり、内部まで着色可能で、着色後は脱色の惧
れがない。Furthermore, Dando quartz schist and Dando hard stone parenchyma rock, unlike other natural rocks, can be colored to the inside, and once colored, there is no risk of decolorization.
第１図乃至第４図はその実施例を示すものであって、第
１図に示すように前記段戸産石英片岩、段戸産硬賞石英
賞岩石よりなる天然岩石の試験片（１） （２Ｃ１１Ｘ
２Ｃ１１Ｘ ２ＣＩＩ）を赤インクが入った容器（２
）内に浸漬すると、約６時間で岩石の中まで赤く染った
。また青インクの中では約９時間で岩石の中まで染った
。Figures 1 to 4 show examples thereof, and as shown in Figure 1, a test piece (1) of a natural rock made of the Dando quartz schist and the Danto hard quartz rock. (2C11X
2C11X 2CII) into a container containing red ink (2
), the inside of the rock was dyed red in about 6 hours. In addition, the blue ink dyed the inside of the rock in about 9 hours.
このように赤インクまたは青インクで着色された試験片
（１）を第２図に示すように割裂して着色状態を調べた
ところ、岩石の中心部と表層部との間に色合いの差は認
められなかった。When the test piece (1) colored with red or blue ink was split open as shown in Figure 2 and the state of coloring was examined, it was found that there was no difference in color between the center and surface of the rock. I was not able to admit.
なお赤インク中で岩石が中心部まで赤く染るのに要する
時間が、青インクの中で岩石が中心部まで青く染るのに
要する時間より可成り短いのは、赤インクの顔料の粒径
が青インクの顔料の粒径より微細なためと考えられる。The reason why the time required for a rock to be dyed red to the center in red ink is considerably shorter than the time required for a rock to be dyed blue to the center in blue ink is due to the particle size of the pigment in the red ink. This is thought to be because the particle size of the pigment in the blue ink is smaller than that of the pigment in the blue ink.
次に岩石の中心部まで赤、または青色に染った段戸産石
英片岩、段戸産硬質石実質岩石の試験片（１′）を第３
図に示すように、水が入った容器（３）に入れておいた
後、第４図に示す如く割裂しても染った岩石の色は脱色
しなかった。Next, test specimens (1') of Dando quartz schist and Dando hard rock that were stained red or blue up to the center of the rock were placed in the third test piece (1').
As shown in the figure, even if the rock was placed in a container (3) containing water and then split open as shown in Figure 4, the color of the dyed rock did not bleach.
また段戸産石英片岩の試験片（２ＣＩＸ２Ｃ１１Ｘ２ｃ
ｍ）及び段戸産硬質石実質岩石の試験片（２ｃｍ ｘ２
ＣＩＩＸ２Ｃ１ｍ）をコバルト色の繊維用染色顔料を溶
した水中に入れたところ、夫々約７時間、及び約９時間
で岩石の中までコバルト色に染まった。In addition, a test piece of quartz schist from Dando (2CIX2C11X2c
m) and test pieces of hard rock from Dando (2cm x 2
When CIIX2C1m) was placed in water containing a cobalt-colored dyeing pigment for fibers, the rock was stained cobalt in about 7 hours and about 9 hours, respectively.
このように前記段戸産石英片岩、段戸産硬質石実質岩石
が着色性を有するのは、これらの岩石に無数の微細な孔
隙が存在することに因るものと考えられる。The reason why the Dando quartz schist and the Dando hard stone parenchymal rock have such coloring properties is thought to be due to the presence of countless fine pores in these rocks.
このように前記段戸産石英片岩、段戸産硬賞石実質岩石
の天然岩石が着色性を有することを利用して、同岩石を
明色で着色して道路用骨材として利用し、道路の反射率
を上げ、路面の明度を向上して、夜間運転も安全に行な
われるようにすると同時に、強度、耐摩耗性に優れた前
記天然岩石を骨材として使用したことにより、道路舗装
面の強度を増大し、耐久性を向上しうるちのである。In this way, taking advantage of the fact that the natural rocks of Dando quartz schist and Danto hardstone parenchyma have colored properties, the same rocks are colored brightly and used as aggregate for roads. By increasing the reflectivity of the road surface and improving the brightness of the road surface, making it safer to drive at night, the use of the above-mentioned natural rock, which has excellent strength and wear resistance, as an aggregate improves the brightness of the road surface. It increases strength and improves durability.
而して前記天然の岩石によって道路用骨材を製造するに
当っては、同天然の岩石を粉砕したものを溶液状顔料、
染料の中に浸漬してもよく、ｆ４液状頗料、染料の中に
浸漬して着色した前記天然の岩石を粉砕してもよく、ま
たこのように着色天然岩石を粉砕したものを、更に溶液
状顔料、または染料中に浸漬してもよい。Therefore, when manufacturing road aggregate using the natural rock, the crushed natural rock is used as a solution pigment,
It may be immersed in a dye, or the natural rock that has been immersed in a dye and colored may be pulverized, or the pulverized colored natural rock may be further immersed in a solution. It may also be immersed in pigments or dyes.
更に前記のように着色された天然の岩石、または着色さ
れた前記天然の岩石の破砕片にマイクロ波を照射するこ
とによって、強度を増進することができる。Furthermore, the strength can be increased by irradiating the colored natural rock or crushed pieces of the colored natural rock with microwaves.
第５図は段戸産石英片岩のφ×２０ｃＩＩのシリンダー
試験片にマイクロ波加熱装置（日本高周波株式会社製、
［ＩＫＮ−２５，１，２）ＩＮ）を用いてマイクロ波を
照射した試験結果を示し、ここでも前記天然岩石を破砕
したものの強度は、同天然岩石のシリンダーを用いて測
定した強度より遥かに高いと考えられる。Figure 5 shows a microwave heating device (manufactured by Nihon Koshuha Co., Ltd.,
The results of a microwave irradiation test using [IKN-25, 1, 2) IN] are shown, and here again the strength of the crushed natural rock was far greater than the strength measured using a cylinder of the same natural rock. It is considered expensive.
また前記段戸産石英片岩及び段戸産硬質石英質岩石は１
．０００°Ｃ以上の急熱を与えると膨脹する性質がある
。第６図及び第７図は前記天然岩石の試験片（１）の焼
成前、並に焼成後の状態を示すもので、焼成後、前記天
然岩石の試験片（１）の体積は約９倍に膨脹した。In addition, the quartz schist and hard quartzite rock from Danto are 1
．． It has the property of expanding when exposed to rapid heat of 000°C or higher. Figures 6 and 7 show the state of the natural rock specimen (1) before and after firing. After firing, the volume of the natural rock specimen (1) is approximately 9 times larger. It expanded to.
また同天然岩石は表−４に示すように、膨脹しながら比
重が変るので、比重の異なる骨材を得ることが可能とな
る。Furthermore, as shown in Table 4, the specific gravity of the natural rock changes as it expands, making it possible to obtain aggregates with different specific gravity.
表−４
（温度保持時間は一定である。）
なお前記天然岩石は着色しても、急熱を与えると膨脹す
る性質は変らなかった。Table 4 (Temperature holding time is constant.) Even if the natural rock was colored, the property of expanding when rapidly heated did not change.
次に本発明を道路標識用塗料に適用した実施例について
説明する。Next, an example in which the present invention is applied to a road sign paint will be described.
段戸産石英片岩、段戸産硬質石実質岩石が前述の如く他
の天然岩石と異り、内部まで着色可能で脱色することが
なく、耐摩耗性に優れていることを利用して、前記段戸
産石英片岩、段戸産硬質石英質岩石の天然岩石の粉砕片
、または着色した同天然岩石の粉砕片、あるいは前記天
然岩石の粉砕片を着色したもの、若しくは着色した前記
天然岩石の粉砕片を更に着色したものを、道路標識用塗
料の一部、或いは原料として用いることによって、耐摩
耗性が優れた道路標識塗料を製造することができる。As mentioned above, Dando quartz schist and Dando hard stone parenchyma rock can be colored to the inside, do not bleach, and have excellent abrasion resistance, unlike other natural rocks. A crushed piece of natural rock such as quartz schist from Dando, hard quartzite rock from Dando, or a colored crushed piece of the same natural rock, or a colored crushed piece of the natural rock, or a crushed piece of the colored natural rock. By using the colored pieces as part of a road sign paint or as a raw material, a road sign paint with excellent abrasion resistance can be produced.
この際、前記天然岩石またはその粉砕片を塗料の色と同
色、または塗料の色を引立てることができるように着色
するものである。At this time, the natural rock or its crushed pieces are colored to match the color of the paint or to enhance the color of the paint.
而して前記段戸産石英片岩、段戸産硬質石英質岩石を塗
料の一部、または原料として使用する場合、均一に混合
されるためには比重が重要であるが、前記天然岩石は前
述のように急熱を与えると膨脹する性質があるので、こ
の性質を利用して比重が変えられることと、前記天然の
岩石は着色しても膨脹する性質が変らないことを利用し
て、前記天然の岩石の粉砕片、または同天然石の着色粉
砕片を塗料に均一に混合することができる。Therefore, when using the Dando quartz schist or the Dando hard quartz rock as part of a paint or as a raw material, the specific gravity is important for uniform mixing, but the natural rock is The above-mentioned natural rock has the property of expanding when subjected to rapid heat, so this property can be used to change the specific gravity, and the above-mentioned natural rock does not change its tendency to expand even if it is colored. Crushed pieces of natural rock or colored crushed pieces of the same natural rock can be uniformly mixed into the paint.
更に前記天然石は前述のように高周波処理を施すと強度
が増進する。Furthermore, the strength of the natural stone is increased when it is subjected to high frequency treatment as described above.
段戸産石英片岩の粉末（粒度４４μ以下）を混ぜた塗料
でコンクリート板上に表示する実験を行なったところ、
段戸産石英片岩の粉砕片を混ぜた塗料は、同粉砕片に混
ぜていない塗料と同様に表示できた。When we conducted an experiment in which we displayed on a concrete board with a paint mixed with quartz schist powder (particle size of 44 μm or less) from Dando, we found that
Paints mixed with crushed pieces of quartz schist from Dando could be displayed in the same way as paints that were not mixed with crushed pieces of Dando quartz schist.
なお段戸産石英片岩の粉砕片を混ぜた塗料は塗り重ねて
も、できた表示部は丈夫であった。６ケ月間の屋外暴露
試験では、前記段戸産石英片岩を混ぜない塗料の表示部
にはひびが発生したが、同石英片岩の粉砕片を混入した
塗料の表示部には何の異常もなかった。Furthermore, even if the paint mixed with crushed pieces of quartz schist from Dando was applied over and over again, the resulting display remained durable. In a 6-month outdoor exposure test, cracks appeared in the display part of the paint that did not contain the Dando quartz schist, but there were no abnormalities in the display part of the paint that mixed crushed pieces of the same quartz schist. Ta.
なお段戸産石英片岩の代りに、段戸産硬質石実質岩石を
使用した場合も、同様な結果が得られた。Similar results were obtained when hard rock from Dando was used instead of quartz schist from Dando.
また前記道路標識用塗料は蛍光塗料も使用でき、更にま
た同塗料は前記天然岩石の粉砕片の存在によって、滑り
止め用にも利用できる。In addition, a fluorescent paint can also be used as the road sign paint, and the same paint can also be used for anti-slip purposes due to the presence of crushed pieces of the natural rock.
（発明の効果）
本発明に係る道路標識材は前記したように、段戸産石英
片岩、段戸産硬質石実質岩石の天然岩石が、強度、耐久
性が大で、任意の色彩に着色できることを利用して、前
記天然岩石の粉砕片を、道路舗装材料、または道路標識
塗料に混合して構成されているので、着色された状態で
強度、耐摩耗性が向上され、舗装路面の明度を向上し、
明確な道路標識効果を発揮し、運転の安全性、歩行者の
安全性が改善されるとともに、補修のサイクルが著しく
長くなり、経済性が向上されるものである。(Effects of the Invention) As described above, the road sign material according to the present invention is made of natural rocks such as quartz schist from Dando and hard rock from Dando, which has high strength and durability, and can be colored in any color. The crushed pieces of the natural rock are mixed with road paving materials or road sign paints, so the strength and abrasion resistance are improved in the colored state, and the brightness of the paved road surface is improved. improve,
It provides a clear road sign effect, improves driving safety and pedestrian safety, and significantly lengthens the repair cycle, improving economic efficiency.
第１図及び第２図は段戸産石英片岩、硬質石英質岩石の
着色試験を示す説明図、第３図及び第４図はその脱色試
験を示す説明図、第５図はその高周波処理と強度測定例
を示す図、第６図及び第７図はその加熱膨脂試験を示す
説明図である。
（１）・・・段戸産石英片岩、硬質石英質岩石の試験片
、（１′）・・・赤または青に染った試験片、（２）・
・・赤インクが入った容器、
（３）・・・水が入った容器。
代理人 弁理士 岡 本 重 文
外１名
第５図
鰻射的１’５’ｌ（分）
悠
（約１３５σＧ）Figures 1 and 2 are explanatory diagrams showing the coloring test of Dando quartz schist and hard quartz rocks, Figures 3 and 4 are explanatory diagrams showing the decolorization test, and Figure 5 is the high frequency treatment and A diagram showing an example of strength measurement, and FIGS. 6 and 7 are explanatory diagrams showing the heating fat swelling test. (1)...Tanto quartz schist, hard quartz rock test piece, (1')...Test piece stained red or blue, (2)...
...A container containing red ink, (3)...A container containing water. Agent Patent attorney Shige Okamoto 1 person outside Figure 5 Eel shot 1'5'l (minute) Yu (approximately 135σG)
Claims (1)
然岩石の粉砕片を、道路舗装材料、若しくは道路標識塗
料に混入してなることを特徴とする道路標識材。 ２、溶液状顔料または染料中に浸漬、着色された前記天
然岩石の粉砕片を道路舗装用骨材としてなる請求項１記
載の道路標識材。 ３、前記天然岩石の粉砕片、または溶液状顔料若しくは
染料中に浸漬着色された前記天然岩石の粉砕片を道路標
識用塗料に混入してなる請求項１記載の道路標識材。[Scope of Claims] 1. A road sign characterized in that crushed pieces of natural rock consisting of Dando quartz schist or Dando hard quartz rock are mixed into road paving material or road sign paint. Material. 2. The road sign material according to claim 1, wherein crushed pieces of the natural rock immersed and colored in a solution pigment or dye are used as road paving aggregate. 3. The road sign material according to claim 1, wherein crushed pieces of the natural rock or crushed pieces of the natural rock colored by immersion in a solution pigment or dye are mixed into a road sign paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2176435A JPH0464606A (en) | 1990-07-05 | 1990-07-05 | Road sign material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2176435A JPH0464606A (en) | 1990-07-05 | 1990-07-05 | Road sign material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0464606A true JPH0464606A (en) | 1992-02-28 |
Family
ID=16013657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2176435A Pending JPH0464606A (en) | 1990-07-05 | 1990-07-05 | Road sign material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0464606A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020019896A (en) * | 2018-08-01 | 2020-02-06 | 東レ・ファインケミカル株式会社 | Step door silica rock-containing coating |
-
1990
- 1990-07-05 JP JP2176435A patent/JPH0464606A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020019896A (en) * | 2018-08-01 | 2020-02-06 | 東レ・ファインケミカル株式会社 | Step door silica rock-containing coating |
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