JP2002148419A - Self-cleanable retroreflector - Google Patents
Self-cleanable retroreflectorInfo
- Publication number
- JP2002148419A JP2002148419A JP2000341500A JP2000341500A JP2002148419A JP 2002148419 A JP2002148419 A JP 2002148419A JP 2000341500 A JP2000341500 A JP 2000341500A JP 2000341500 A JP2000341500 A JP 2000341500A JP 2002148419 A JP2002148419 A JP 2002148419A
- Authority
- JP
- Japan
- Prior art keywords
- beads
- photocatalyst
- substrate
- retroreflector
- containing layer
- 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
- 239000011324 bead Substances 0.000 claims abstract description 46
- 239000011941 photocatalyst Substances 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000010419 fine particle Substances 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 11
- 231100000719 pollutant Toxicity 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 1
- 230000000306 recurrent effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 239000000356 contaminant Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 102000003729 Neprilysin Human genes 0.000 description 1
- 108090000028 Neprilysin Proteins 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、道路の側縁や敷地
境界線上に設置される防護柵や、保安用途に用いられる
橋梁上の高欄、車止め等、あるいは公園遊歩道、自動車
道に沿って設置される柵などの、主として屋外で使用さ
れる構造物の夜間、薄暮での視認性を高めるために、構
造物自体に止着される再帰反射性を有する反射体に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protective fence installed on a side edge of a road or a boundary of a site, a railing on a bridge used for security purposes, a car stop, or a park promenade or an automobile road. The present invention relates to a retroreflective reflector that is fixed to a structure itself, such as a fence, which is fixed to the structure itself in order to enhance the visibility of a structure mainly used outdoors at night or at dusk.
【０００２】[0002]
【従来の技術】ガラスビーズが再帰反射性を有すること
は広く知られており、またガラスビーズに限らず、透明
性を有する球状の物体であれば入射光をビーズ内で屈折
させて再帰光を発する性質があり、その様な性質を利用
して道路周辺設置物の夜間における視認性を高める方法
はこれまでに数多くの発明がなされている。2. Description of the Related Art It is widely known that glass beads have a retroreflective property. In addition to glass beads, if the object is a transparent spherical object, incident light is refracted in the beads to generate the retroreflection. There have been many inventions on the method of improving the nighttime visibility of objects installed around the road by utilizing such characteristics.
【０００３】これらの発明の中には、防護柵等に反射シ
ートを貼着したり、球状のビーズを埋設した反射体を両
面テープ等により貼着する方法も提案されており、これ
らの方法は簡便且つ安価な手段でありながら、防護柵等
が暗色により塗装されている場合には夜間において絶大
な視認性の補助となり得る。[0003] In these inventions, there have been proposed methods of attaching a reflection sheet to a protective fence or the like, or attaching a reflector having spherical beads embedded therein with a double-sided tape or the like. Although it is a simple and inexpensive means, when the protective fence or the like is painted in a dark color, it can be a great aid to great visibility at night.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、これら
の設置される道路周辺は、排気ガス中の煤塵、車両の巻
き上げる塵埃等、極めて大量の汚染起因物質が存在し、
それらが再帰反射体の表面に付着することで再帰反射性
が低下するという難点がある。However, there is a very large amount of pollutants such as dust in the exhaust gas and dust that rolls up the vehicle around the road where these roads are installed.
There is a problem that the retroreflectivity is reduced by adhering to the surface of the retroreflector.
【０００５】屋外に設置され降雨等により水洗されて
も、前記汚染起因物質は親油性のものを含む場合が多
く、親油性の成分が汚染粒子のバインダー的役割をする
ことで、大抵の場合単なる水洗では汚染物質が落ち辛
い。[0005] Even if it is installed outdoors and washed with rain or the like, the polluting substances often contain lipophilic substances. Pollutants are hard to fall off with washing.
【０００６】そこで本発明は再帰反射性を有し、尚かつ
降雨等により汚染物質が容易に除去されて特にメンテナ
ンスを必要とすることなく再帰反射性を維持できる再帰
反射体を提供するものである。Accordingly, the present invention provides a retroreflective body having retroreflective properties and capable of maintaining retroreflective properties without contaminants being easily removed by rainfall or the like and requiring special maintenance. .
【０００７】[0007]
【課題を解決するための手段】本発明は、基体と球状の
再帰反射性を有するビーズにより形成される再帰反射体
であって、基体にビーズが半埋込状態で埋設され、少な
くとも基体に埋没していない部分のビーズの外面に光触
媒含有層が形成されていることを特徴とするものであ
る。SUMMARY OF THE INVENTION The present invention relates to a retroreflector formed of a substrate and spherical retroreflective beads, wherein the beads are embedded in the substrate in a semi-embedded state and at least embedded in the substrate. The photocatalyst-containing layer is formed on the outer surface of the unexposed part of the beads.
【０００８】再帰反射性を有する球状のビーズの、基体
に埋没していない部分から光が入射及び再帰して再帰反
射性を具備すると共に、少なくともビーズの基体に埋没
していない部分に形成された光触媒含有層が紫外線によ
り活性化され、親水化されて光触媒含有層と汚染物質と
の間に水膜が形成されることで汚染物質は降雨等により
容易に洗い流される。また活性化された光触媒は汚染物
質中に含まれる親油性の成分を分解することで、汚染物
質はより洗い流されやすくなる。The spherical beads having retroreflective properties are provided with retroreflective properties due to the incidence and recurrence of light from portions not buried in the substrate, and are formed at least in the portions of the beads not buried in the substrate. The photocatalyst-containing layer is activated by ultraviolet light, becomes hydrophilic, and a water film is formed between the photocatalyst-containing layer and the contaminant, whereby the contaminant is easily washed away by rainfall or the like. Further, the activated photocatalyst decomposes the lipophilic component contained in the pollutant, so that the pollutant is more easily washed away.
【０００９】本発明に係わる再帰反射性を有する球状の
ビーズは、透明性を有する合成樹脂により形成してもよ
いが、耐久性、耐熱性等を考慮すると無機ガラスにより
形成されたガラスビーズを用いるのが好ましい。また球
状の反射体には外面に金属蒸着を施して、より再帰反射
性を高めてもよい。The spherical beads having retroreflective properties according to the present invention may be formed of a synthetic resin having transparency. However, glass beads formed of inorganic glass are used in consideration of durability, heat resistance, and the like. Is preferred. Further, the spherical reflector may be subjected to metal vapor deposition on the outer surface to further enhance the retroreflectivity.
【００１０】光触媒含有層を形成するには、基体にビー
ズが埋設された後に光触媒微粒子を含有する塗料を塗布
することで光触媒含有層を形成してもよい。また光触媒
微粒子を含有する塗料は、埋設したビーズの基体から露
出した部分のみに塗布してもよく、基体を含めて全体に
塗布してもよい。特に基体が合成樹脂により形成される
場合、基体を含めて塗布することで静電気の帯電を防止
でき、静電気による塵埃等の付着を抑制することができ
る。In order to form the photocatalyst-containing layer, the photocatalyst-containing layer may be formed by applying a coating containing photocatalyst fine particles after the beads are embedded in the substrate. Further, the paint containing the photocatalyst fine particles may be applied only to the portion of the embedded beads exposed from the substrate, or may be applied to the whole including the substrate. In particular, when the base is formed of a synthetic resin, the application of the base including the base can prevent static electricity from being charged, and can suppress adhesion of dust and the like due to the static electricity.
【００１１】また予めビーズの外面に光触媒層を形成し
ておき、そのビーズを基体に埋設する方法を用いてもよ
い。ビーズの外面に予め光触媒含有層を形成しておくこ
とで、光触媒含有層形成のために基体の材質に関する制
約を排除することができる。Alternatively, a method may be used in which a photocatalytic layer is formed on the outer surface of the beads in advance, and the beads are embedded in the substrate. By forming the photocatalyst-containing layer on the outer surface of the beads in advance, it is possible to eliminate restrictions on the material of the base for forming the photocatalyst-containing layer.
【００１２】光触媒微粒子であるチタニアは、ルチル型
でもよいが活性の高さからアナターゼ型のものが好まし
く、この光触媒微粒子は波長領域が３００〜４００ｎｍ
付近の紫外光が照射されることによって活性化され、そ
の活性化によって強い酸化力が発現されて表面に付着し
た汚染物質は分解されると共に、活性化によってその表
面は水との接触角でほぼ０〜２０度程度まで親水化さ
れ、かかる親水化によって汚染物質は付着しにくくなり
例え付着しても降雨等によって容易に洗い流されるよう
になる。Titania, which is a photocatalytic fine particle, may be of rutile type, but is preferably of anatase type because of its high activity, and the photocatalytic fine particle has a wavelength range of 300 to 400 nm.
It is activated by irradiating nearby ultraviolet light, and the activation causes strong oxidizing power to develop, contaminants adhering to the surface are decomposed, and the activation causes the surface to have almost the same contact angle with water. Hydrophilization is carried out to about 0 to 20 degrees, and contaminants are hardly adhered by such hydrophilicity, and even if they adhere, they can be easily washed away by rainfall or the like.
【００１３】ビーズを埋設することが可能であれば、基
体の材質は特に限定するものではなく合成樹脂、コンク
リート、ゴム、繊維の集合体、セラミックス等を用いて
もよい。好適なのは、成型性が良好でビーズの外面を汚
染する恐れ等のない熱可塑性合成樹脂を用いて射出成型
する方法であり、この方法によりビーズの埋設深さや基
体を含めた反射体の形状が自在に成型できることから好
ましい。As long as the beads can be embedded, the material of the substrate is not particularly limited, and synthetic resin, concrete, rubber, an aggregate of fibers, ceramics or the like may be used. A preferred method is injection molding using a thermoplastic synthetic resin that has good moldability and does not have a risk of contaminating the outer surface of the beads, and this method allows the burying depth of the beads and the shape of the reflector including the base to be freely adjusted. It is preferable because it can be molded into
【００１４】[0014]
【発明の実施の形態】次に本発明の形態について、図面
に基づき具体的に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be specifically described with reference to the drawings.
【００１５】図１は本発明の実施の一形態を示すもので
ある。図１のａ）は反射体１を反射面から見たものであ
り、再帰反射性を有するビーズ２は基体３に半埋設状態
で埋め込まれ、反射面に車両のヘッドライト等が照射さ
れると複数のビーズにより再帰反射され運転者等に対し
反射体の存在を認識させる。図１のｂ）はａ）のＡ−
Ａ’断面を示すものであり、ビーズ２を半埋設した基体
３は支持体３１に支持され、曲面に取付可能となされて
いる。また、反射面の中心には貫通孔３２が設けられ、
取付対象物にボルト、ビス等により固定可能となされて
いる。基体３は熱可塑性樹脂により形成されるのが好ま
しく、ＡＢＳ樹脂やポリエチレン、ポリプロピレン等の
ポリオレフィン系樹脂、ナイロン等のポリアミド系樹
脂、ポリカーボネート、ＰＥＴ等を用いるのが好適であ
る。また支持体３１も基体３と同様の材質のものを用い
るのが好ましい。FIG. 1 shows an embodiment of the present invention. FIG. 1A shows the reflector 1 as viewed from the reflective surface. The beads 2 having retroreflective properties are embedded in the base 3 in a semi-buried state, and when the reflective surface is irradiated with a vehicle headlight or the like. It is retroreflected by a plurality of beads, and the driver or the like is made aware of the presence of the reflector. FIG. 1 b) shows A- of FIG.
It shows an A ′ cross section, in which the base 3 in which the beads 2 are semi-embedded is supported by a support 31 and can be attached to a curved surface. Also, a through hole 32 is provided at the center of the reflection surface,
It can be fixed to the mounting object with bolts, screws, etc. The substrate 3 is preferably formed of a thermoplastic resin, and is preferably made of an ABS resin, a polyolefin resin such as polyethylene or polypropylene, a polyamide resin such as nylon, polycarbonate, PET, or the like. It is preferable that the support 31 be made of the same material as the base 3.
【００１６】図２はビーズ２の露出面に対する光触媒含
有層４の形成方法の一例を示すものである。ビーズ２の
全周に光触媒含有層４が予め形成され、その後ビーズ２
を射出金型内に設置し、基体３を射出成型により成型す
ることでビーズ２を基体３に半埋設状態とする。FIG. 2 shows an example of a method for forming the photocatalyst-containing layer 4 on the exposed surface of the beads 2. A photocatalyst-containing layer 4 is formed in advance on the entire circumference of the beads 2, and then the beads 2
Is placed in an injection mold, and the beads 3 are semi-buried in the base 3 by molding the base 3 by injection molding.
【００１７】図３はビーズ２の露出面に対する光触媒含
有層４の形成方法の一例を示すものである。光触媒含有
層を形成していないビーズ２を射出金型内に設置し、基
体３を射出成型により成型することでビーズ２を基体３
に半埋設状態とする。その後光触媒微粒子を含有する塗
料を塗布することで光触媒含有層４をビーズ２の基体３
より露出している部分に形成している。光触媒微粒子を
含有する塗料は埋設したビーズの基体から露出した部分
のみに塗布してもよいが、本実施例においては基体３を
含めて全体に塗布しており、熱可塑性合成樹脂により形
成される基体３の静電気の帯電を防止でき、静電力によ
る塵埃等の付着を抑制している。FIG. 3 shows an example of a method for forming the photocatalyst-containing layer 4 on the exposed surface of the beads 2. The beads 2 on which the photocatalyst-containing layer is not formed are placed in an injection mold, and the bases 3 are molded by injection molding.
In a semi-buried state. Thereafter, a coating containing photocatalyst fine particles is applied to form the photocatalyst containing layer 4 on the base 3 of the beads 2.
It is formed in a more exposed part. The coating containing the photocatalyst fine particles may be applied only to the portion of the embedded beads exposed from the base, but in the present embodiment, the coating is applied to the whole including the base 3 and is formed of a thermoplastic synthetic resin. The electrostatic charge of the base 3 can be prevented, and adhesion of dust and the like due to electrostatic force is suppressed.
【００１８】図４は図１に示す反射体を街路柵に適用し
た例を示すものである。街路柵５は支柱５１及び支柱５
１に支持される縦格子体５２からなり、支柱５１の上部
及び下部の２ヶ所に反射体１が取り付けられている。道
路６を通行する車両等はａの方向に進行しており、車両
と相対する方向に向けて反射体１は取り付けることで、
再帰反射による視認性を高めている。特に街路柵５が暗
い色で塗装されている場合には反射体１の設置による視
認性向上の効果はより高いものとなる。FIG. 4 shows an example in which the reflector shown in FIG. 1 is applied to a street fence. The street fence 5 is a support 51 and a support 5
The reflector 1 is attached to the support 51 at two locations, an upper portion and a lower portion. Vehicles and the like traveling on the road 6 are traveling in the direction of a, and the reflector 1 is attached in a direction facing the vehicle,
The visibility is improved by retroreflection. In particular, when the street fence 5 is painted in a dark color, the effect of improving visibility by installing the reflector 1 becomes higher.
【００１９】図５は本発明の実施の一形態を示すもので
ある。反射体１はリング状の形状である基体３にビーズ
２が半埋設状態とされており、反射体１を支柱等の円筒
状の構造物に巻き付けて、貫通孔３２にビス３３を挿入
し、螺着することで反射体１を固定することが可能であ
る。なお本実施例においては、基体には可撓性を有する
ポリオレフィン系、ポリアミド系等の樹脂を用いるのが
好ましい。FIG. 5 shows an embodiment of the present invention. The reflector 1 is in a state where the beads 2 are semi-buried in a base 3 having a ring shape. The reflector 1 is wound around a cylindrical structure such as a support, and a screw 33 is inserted into the through hole 32. It is possible to fix the reflector 1 by screwing. In this embodiment, it is preferable to use a flexible polyolefin-based or polyamide-based resin for the substrate.
【００２０】図６は本発明の実施の一形態を示すもので
ある。反射体１は平板の基体３にビーズ２が半埋設状態
とされており、ビーズ１が密に配置されていることで高
い再帰反射性を有している。平板の形状であることか
ら、道路鋲、標識体等の平面部に取付可能である。貫通
孔３２にボルト、ビス等を挿入し螺着することで構造物
に固定する。FIG. 6 shows an embodiment of the present invention. The reflector 1 has a high retroreflective property because the beads 2 are semi-buried in a flat base 3 and the beads 1 are densely arranged. Since it has a flat plate shape, it can be attached to a flat portion such as a road tack or a sign. A bolt, a screw, or the like is inserted into the through-hole 32 and screwed to fix it to the structure.
【００２１】[0021]
【発明の効果】再帰反射性を有する球状のビーズの、基
体に埋没していない部分から光が入射及び再帰して再帰
反射性を具備すると共に、少なくともビーズの基体に埋
没していない部分に形成された光触媒含有層が紫外線に
より活性化され、親水化されて光触媒含有層と汚染物質
との間に水膜が形成されることで汚染物質は降雨等によ
り容易に洗い流される。また活性化された光触媒は汚染
物質中に含まれる親油性の成分を分解することで、汚染
物質はより洗い流されやすくなる。According to the present invention, spherical beads having retroreflective properties are provided with retroreflective properties due to the incidence and recurrence of light from a portion not buried in the substrate, and are formed at least in portions of the beads not buried in the substrate. The photocatalyst-containing layer thus activated is activated by ultraviolet light, becomes hydrophilic, and a water film is formed between the photocatalyst-containing layer and the contaminant, whereby the contaminant is easily washed away by rainfall or the like. Further, the activated photocatalyst decomposes the lipophilic component contained in the pollutant, so that the pollutant is more easily washed away.
【図１】本発明の実施の一形態を示すものである。FIG. 1 shows an embodiment of the present invention.
【図２】本発明に係わる反射体への光触媒含有層の形成
方法の一例を示すものである。FIG. 2 shows an example of a method for forming a photocatalyst-containing layer on a reflector according to the present invention.
【図３】本発明に係わる反射体への光触媒含有層の形成
方法の一例を示すものである。FIG. 3 shows an example of a method for forming a photocatalyst-containing layer on a reflector according to the present invention.
【図４】本発明に係わる反射体を街路柵に適用した例を
示すものである。FIG. 4 shows an example in which the reflector according to the present invention is applied to a street fence.
【図５】本発明の実施の一形態を示すものである。FIG. 5 shows an embodiment of the present invention.
【図６】本発明の実施の一形態を示すものである。FIG. 6 shows an embodiment of the present invention.
１ 反射体 ２ ビーズ ３ 基体 ３１ 支持体 ３２ 貫通孔 ３３ ビス ４ 光触媒含有層 ５ 街路柵 ５１ 支柱 ５２ 縦格子体 ６ 道路 DESCRIPTION OF SYMBOLS 1 Reflector 2 Bead 3 Base 31 Support 32 Through hole 33 Screw 4 Photocatalyst containing layer 5 Street fence 51 Support 52 Vertical lattice 6 Road
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 2H042 EA07 EA12 EA16 2K009 BB11 CC03 DD02 EE05 4G069 AA03 AA08 BA04A BA04B BA14A BA14B BA48A CD10 EB05 EC22X EC22Y ED04 FA03 FB23 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2H042 EA07 EA12 EA16 2K009 BB11 CC03 DD02 EE05 4G069 AA03 AA08 BA04A BA04B BA14A BA14B BA48A CD10 EB05 EC22X EC22Y ED04 FA03 FB23
Claims (5)
により形成される再帰反射体であって、基体にビーズが
半埋込状態で埋設され、少なくとも基体に埋没していな
い部分のビーズの外面に光触媒含有層が形成されている
ことを特徴とする自浄性再帰反射体。1. A retroreflector formed of a substrate and spherical retroreflective beads, wherein the beads are embedded in the substrate in a semi-embedded state, and at least the outer surface of the beads not embedded in the substrate. A self-cleaning retroreflector, wherein a photocatalyst-containing layer is formed on the self-cleaning retroreflector.
れた後に、ビーズが露出している側の外面に光触媒微粒
子を含有した塗料を塗布することにより形成されている
ことを特徴とする請求項１に記載の自浄性再帰反射体。2. The photocatalyst-containing layer is formed by applying a paint containing photocatalyst fine particles to the outer surface on the side where the beads are exposed after the beads are embedded in the substrate. Item 2. The self-cleaning retroreflector according to Item 1.
れる前に予めビーズの外面に形成されていることを特徴
とする請求項１に記載の自浄性再帰反射体。3. The self-cleaning retroreflector according to claim 1, wherein the photocatalyst-containing layer is formed on the outer surface of the beads before the beads are embedded in the substrate.
成型により成型されてビーズと一体化されることを特徴
とする請求項１、２又は３に記載の自浄性再帰反射体。4. The self-cleaning retroreflective body according to claim 1, wherein the substrate is made of a thermoplastic synthetic resin, and is molded by injection molding to be integrated with the beads.
は、アナターゼ型チタニアであることを特徴とする請求
項１、２、３又は４に記載の自浄性再帰反射体。5. The self-cleaning retroreflector according to claim 1, wherein the photocatalyst fine particles forming the photocatalyst-containing layer are anatase type titania.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000341500A JP2002148419A (en) | 2000-11-09 | 2000-11-09 | Self-cleanable retroreflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000341500A JP2002148419A (en) | 2000-11-09 | 2000-11-09 | Self-cleanable retroreflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002148419A true JP2002148419A (en) | 2002-05-22 |
Family
ID=18816231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000341500A Pending JP2002148419A (en) | 2000-11-09 | 2000-11-09 | Self-cleanable retroreflector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002148419A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011206655A (en) * | 2010-03-29 | 2011-10-20 | Komatsu Process:Kk | Coating method and retroreflective coating material used for the same |
| CN110340158A (en) * | 2019-07-17 | 2019-10-18 | 首钢京唐钢铁联合有限责任公司 | A kind of rolling mill lining plate slant detection method and detecting tool |
-
2000
- 2000-11-09 JP JP2000341500A patent/JP2002148419A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011206655A (en) * | 2010-03-29 | 2011-10-20 | Komatsu Process:Kk | Coating method and retroreflective coating material used for the same |
| CN110340158A (en) * | 2019-07-17 | 2019-10-18 | 首钢京唐钢铁联合有限责任公司 | A kind of rolling mill lining plate slant detection method and detecting tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100773438B1 (en) | Retroflective glass bead and method for manufacturing the same | |
| US20050156809A1 (en) | Radio wave reflector, and structure with the radio wave reflector mounted thereon | |
| JP2002148419A (en) | Self-cleanable retroreflector | |
| US7905611B1 (en) | Vehicle having underside reflector | |
| JP4099318B2 (en) | Reflector for sticking the support | |
| JP4113019B2 (en) | Self-cleaning road sign pillar | |
| KR20020039587A (en) | Central lane identification Block | |
| JPH072663Y2 (en) | Protective sheet for road signpost | |
| KR20020039588A (en) | Guide panel for road and direct | |
| JP3596834B2 (en) | Road sign reflector with self-cleaning surface | |
| KR200339921Y1 (en) | Reflector bond structure of Raised pavement markers | |
| KR200307803Y1 (en) | safety signal for street crossing and stop line | |
| CN2721700Y (en) | All directional warning device | |
| CN2504311Y (en) | Outthrust of Road surface | |
| KR200412731Y1 (en) | Reflection band for registration number plate | |
| KR20040012643A (en) | Reflector bond structure of Raised pavement markers | |
| KR200391836Y1 (en) | traffic lane indicator | |
| KR200359988Y1 (en) | Road Marker Increases Retroreflectiveness | |
| JP3129180U (en) | Warning device | |
| KR100382744B1 (en) | Road sign | |
| KR200295985Y1 (en) | CD omitted | |
| JP2014009534A (en) | Road stud | |
| JP2003206513A (en) | Retroreflection member and road marking body | |
| KR20060006986A (en) | Reflection band for registration number plate | |
| KR200181532Y1 (en) | Device for sign of lane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040318 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20060301 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060314 |