JP2758338B2 - High corrosion resistant road reflector - Google Patents
High corrosion resistant road reflectorInfo
- Publication number
- JP2758338B2 JP2758338B2 JP5026476A JP2647693A JP2758338B2 JP 2758338 B2 JP2758338 B2 JP 2758338B2 JP 5026476 A JP5026476 A JP 5026476A JP 2647693 A JP2647693 A JP 2647693A JP 2758338 B2 JP2758338 B2 JP 2758338B2
- Authority
- JP
- Japan
- Prior art keywords
- road reflector
- mirror
- steel plate
- stainless steel
- corrosion resistant
- 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.)
- Expired - Lifetime
Links
Landscapes
- Road Signs Or Road Markings (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は道路のカーブ地点、交差
点、その他見通しの悪い場所等に設置される高耐食性道
路反射鏡に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-corrosion-resistant road reflector which is installed at a curve point, an intersection, or a place with poor visibility.
【０００２】[0002]
【従来の技術】従来、道路反射鏡は、鏡本体として耐食
性の面からステンレス鋼板の表面が鏡面研磨されたもの
がよく使用されている。又、耐食性をより向上させるた
めに、鏡本体としてステンレス鋼板の表面に無機又は有
機コーティング剤による皮膜が形成されたものも提案さ
れている。2. Description of the Related Art Conventionally, as a road reflector, a mirror-polished stainless steel plate is often used as a mirror body from the viewpoint of corrosion resistance. Further, in order to further improve corrosion resistance, a mirror body in which a film made of an inorganic or organic coating agent is formed on the surface of a stainless steel plate has been proposed.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前者の
ステンレス鋼板表面が鏡面研磨されたものは、酸性雨の
影響や沿岸地域等では塩害の影響を受けて発錆しやす
く、道路反射鏡としての機能が容易に損なわれる問題点
がある。又、後者のステンレス鋼板表面にコーティング
剤による皮膜が形成されたものは、耐久性に劣り、コー
ティング皮膜が原因して鏡面反射率が低下する問題点が
ある。However, the former stainless steel plate whose surface is mirror-polished is susceptible to rust due to the effects of acid rain and salt damage in coastal areas, etc., and functions as a road reflector. Is easily damaged. Further, the latter, in which a film made of a coating agent is formed on the surface of a stainless steel plate, has poor durability, and has a problem that the specular reflectance is reduced due to the coating film.
【０００４】本発明はかかる従来の問題点を解消した高
耐食性道路反射鏡を提供することを目的としている。An object of the present invention is to provide a high-corrosion-resistant road reflector which has solved the conventional problems.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するた
め、本発明高耐食性道路反射鏡は、鋼板、ステンレス鋼
板等の金属板からなる鏡本体の表面に、無電解メッキに
よりニッケルとリンを主成分とする合金皮膜が析出され
て形成されてなるものである。In order to solve the above-mentioned problems, a high corrosion-resistant road reflector according to the present invention mainly comprises nickel and phosphorus on a surface of a mirror body made of a metal plate such as a steel plate or a stainless steel plate by electroless plating. It is formed by depositing an alloy film as a component.
【０００６】[0006]
【作用】鏡本体表面の合金皮膜により鏡面反射率を損な
うことなく耐食性を向上させることができる。The corrosion resistance can be improved without impairing the mirror reflectance by the alloy film on the mirror body surface.
【０００７】[0007]
【実施例】以下、図面を参照しながら本発明について説
明する。図面において、１は鏡本体であって、一般に図
２の如く路肩等に建植された支柱２の上端部に取り付け
られている。鏡本体１と支柱２との取り付けは、鏡本体
１に設けられた裏板（図示せず）が取り付け金具（図示
せず）を介して支柱２に取り付けられる従来公知の取り
付け方法によればよい。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. In the drawings, reference numeral 1 denotes a mirror main body, which is generally attached to an upper end portion of a column 2 built on a road shoulder or the like as shown in FIG. The attachment between the mirror body 1 and the support 2 may be performed by a conventionally known mounting method in which a back plate (not shown) provided on the mirror body 1 is attached to the support 2 via a mounting bracket (not shown). .
【０００８】鏡本体１は、図１の如く鋼板、ステンレス
鋼板等の金属板１１の表面に、無電解メッキによりニッ
ケルとリンを主成分とする合金皮膜１２が析出されて形
成されている。この鏡本体１は、平板状の金属板１１に
無電解メッキが施された後、金属板１１が反射鏡の形状
に加工されてもよいし、予め反射鏡の形状に加工された
金属板１１に無電解メッキが施されてもよい。金属板１
１は一般に耐食性の面からステンレス鋼板が好適に使用
される。なお、鏡本体１の裏面には上述したように裏板
（図示せず）が設けられる。As shown in FIG. 1, the mirror main body 1 is formed by depositing an alloy film 12 mainly composed of nickel and phosphorus on the surface of a metal plate 11 such as a steel plate or a stainless steel plate by electroless plating. The mirror main body 1 may be such that after a flat metal plate 11 is subjected to electroless plating, the metal plate 11 may be processed into a reflecting mirror shape, or the metal plate 11 may be processed in advance into a reflecting mirror shape. May be subjected to electroless plating. Metal plate 1
In general, stainless steel plate 1 is preferably used from the viewpoint of corrosion resistance. Note that a back plate (not shown) is provided on the back surface of the mirror body 1 as described above.
【０００９】合金皮膜１２は無電解ニッケルメッキによ
り、ニッケルイオンから次亜リン酸ナトリウム等の還元
剤によってニッケル金属が析出され、この析出金属中に
リンが３〜１０％程度含有されて形成されている。この
合金皮膜１２は一般に２０〜１００μｍ程度の厚みとな
されている。The alloy film 12 is formed by depositing nickel metal from nickel ions by a reducing agent such as sodium hypophosphite by electroless nickel plating, and containing about 3 to 10% of phosphorus in the deposited metal. I have. This alloy film 12 generally has a thickness of about 20 to 100 μm.
【００１０】次に、本発明道路反射鏡の耐食性を調べる
ため、縦７ｃｍ、横１５ｃｍ、厚み０．８ｍｍのステン
レス鋼板（ＳＵＳ３０４）の表面に無電解ニッケルメッ
キを施して厚み３０μｍのリン含有ニッケル合金皮膜を
析出したもの（実施例）と、従来の上記と同寸法のステ
ンレス鋼板（ＳＵＳ３０４）の鏡面研磨品（比較例）を
準備し、複合腐食試験を行い、その結果を表１に示し
た。又、複合腐食試験前の両者の鏡面反射率を測定し、
その結果を表１に合わせて示した。Next, in order to examine the corrosion resistance of the road reflector of the present invention, a surface of a stainless steel plate (SUS304) having a length of 7 cm, a width of 15 cm and a thickness of 0.8 mm is subjected to electroless nickel plating to form a phosphorous-containing nickel alloy having a thickness of 30 μm. Prepared coatings (Examples) and conventional mirror-polished stainless steel plates (SUS304) of the same dimensions as above (Comparative Example) were prepared and subjected to a composite corrosion test. The results are shown in Table 1. Also, measure the mirror reflectance of both before the composite corrosion test,
The results are shown in Table 1.
【００１１】なお、上記無電解ニッケルメッキは、メッ
キ液の組成として、メッキ液１リットル当たり硫酸ニッ
ケル２０ｇ、次亜リン酸ナトリウム２５ｇ、乳酸２５
ｇ、プロピオン酸３ｇ、鉛系安定剤少量としたものを使
用し、メッキ液の温度９０℃とした。In the above electroless nickel plating, the composition of the plating solution is as follows: nickel sulfate 20 g, sodium hypophosphite 25 g, lactic acid 25 g per liter of plating solution.
g, 3 g of propionic acid and a small amount of a lead-based stabilizer were used, and the temperature of the plating solution was adjusted to 90 ° C.
【００１２】複合腐食試験はスガ試験機社製複合腐食試
験機を使用した。試験条件は、塩水噴霧（３５℃、１．
５時間）、続いて１０分間水スプレー後、以下ＳＯ2ガ
ス４０ＰＰＭの雰囲気中かつ紫外線照射状態で、湿度６
５％以下に乾燥（４０℃、３．５時間）、続いて湿度９
７％以上に湿潤（５０℃、２．５時間）、続いて湿度６
５％以下に乾燥（４０℃、１時間）し、これを１サイク
ルとして繰り返した。又、鏡面反射率は村上色彩研究所
社製型式ＲＭ−４０型により測定した。In the composite corrosion test, a composite corrosion tester manufactured by Suga Test Instruments Co. was used. The test conditions were salt spray (35 ° C., 1.
5 hours), followed by water spraying for 10 minutes, and then, in an atmosphere of SO 2 gas at 40 PPM and in an ultraviolet irradiation state, at a humidity of 6
Dry to 5% or less (40 ° C, 3.5 hours), followed by a humidity of 9
7% or more wet (50 ° C, 2.5 hours), followed by humidity 6
Drying was performed to 5% or less (40 ° C, 1 hour), and this was repeated as one cycle. The specular reflectance was measured using a model RM-40 manufactured by Murakami Color Research Laboratory.
【００１３】[0013]
【表１】 [Table 1]
【００１４】[0014]
【発明の効果】以上詳述した如く、本発明道路反射鏡
は、ステンレス鋼板等の金属板からなる鏡本体の表面
に、無電解メッキによりニッケルとリンを主成分とする
合金皮膜が析出されて形成されているので、鏡面反射率
を損なうことなく良好なものとしながら優れた耐食性を
示し、長期に亘って反射鏡としての機能を発揮できる。As described above in detail, in the road reflector according to the present invention, an alloy film mainly composed of nickel and phosphorus is deposited on the surface of a mirror body made of a metal plate such as a stainless steel plate by electroless plating. Since it is formed, it exhibits excellent corrosion resistance while maintaining good specular reflectance without deteriorating its mirror reflectivity, and can exhibit its function as a reflecting mirror for a long time.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明道路反射鏡の要部を示す断面図である。FIG. 1 is a sectional view showing a main part of a road reflector according to the present invention.
【図２】本発明道路反射鏡の一実施例を示す斜視図であ
る。FIG. 2 is a perspective view showing one embodiment of the road reflector of the present invention.
１ 鏡本体 １１ 金属板 １２ 合金皮膜 ２ 支柱 DESCRIPTION OF SYMBOLS 1 Mirror main body 11 Metal plate 12 Alloy film 2 Prop
Claims (1)
る鏡本体の表面に、無電解メッキによりニッケルとリン
を主成分とする合金皮膜が析出されて形成されてなる高
耐食性道路反射鏡。1. A highly corrosion-resistant road reflector formed by depositing an alloy film containing nickel and phosphorus as main components by electroless plating on the surface of a mirror body made of a metal plate such as a steel plate or a stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5026476A JP2758338B2 (en) | 1993-02-16 | 1993-02-16 | High corrosion resistant road reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5026476A JP2758338B2 (en) | 1993-02-16 | 1993-02-16 | High corrosion resistant road reflector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06240622A JPH06240622A (en) | 1994-08-30 |
| JP2758338B2 true JP2758338B2 (en) | 1998-05-28 |
Family
ID=12194565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5026476A Expired - Lifetime JP2758338B2 (en) | 1993-02-16 | 1993-02-16 | High corrosion resistant road reflector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2758338B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3245506B2 (en) | 1994-09-07 | 2002-01-15 | 財団法人国際超電導産業技術研究センター | Surface treatment method for LnBa2Cu3O7-x single crystal substrate |
| JP5581805B2 (en) | 2010-05-24 | 2014-09-03 | トヨタ自動車株式会社 | Method for plating stainless steel material and plating material thereof |
-
1993
- 1993-02-16 JP JP5026476A patent/JP2758338B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06240622A (en) | 1994-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PT101700B (en) | FORMATION OF A SILVER COATING ON A VITREO SUSPTRATO | |
| IL47407A (en) | Mcraiy type coating alloy | |
| JPH05112888A (en) | Plating of electrically-conductive surface | |
| US4511614A (en) | Substrate having high absorptance and emittance black electroless nickel coating and a process for producing the same | |
| WO2000060141A1 (en) | Three layer anode and methods of manufacture | |
| JPH0737674B2 (en) | Steel article with double protective coating and method of making same | |
| US4659631A (en) | Corrosion resistant duplex plated sheet steel | |
| US20090220685A1 (en) | Mirror with epoxy paint layer having good resistance to handling | |
| JP2758338B2 (en) | High corrosion resistant road reflector | |
| JPH0216398B2 (en) | ||
| US4221845A (en) | Process for pretreatment of light metals before galvanization | |
| JPS58147561A (en) | Pretreating bath for titanium and titanium alloy | |
| JPS63137180A (en) | Method for chromating zinc or zinc alloy plated steel sheet | |
| JPH05323107A (en) | Reflection mirror | |
| EP1860076B1 (en) | Mirror | |
| JPS60131991A (en) | Fe-p alloy plated steel sheet | |
| JPH01180985A (en) | Electroless gold plating method | |
| JPH0347987A (en) | Structure of heat and corrosion resistant plating film | |
| RU1821497C (en) | Silver-plating solution | |
| Baumgartner et al. | Electrolytically Deposited Layers of Pt--Co Alloys--Mechanical and Magnetic Properties | |
| SU1185052A1 (en) | Method of determining thickness of coating on parts | |
| Srinivasan et al. | Immersion copper coating of steel | |
| JP3221299B2 (en) | Chromated galvanized steel sheet with excellent color stability | |
| JPH02145779A (en) | Zn-fe flash plating method for alloyed hot dip galvanized steel sheet | |
| SU1656009A1 (en) | Solution for chemical deposition of tin-lead-bismuth alloy |