JPH02197401A - Rubber tire - Google Patents
Rubber tireInfo
- Publication number
- JPH02197401A JPH02197401A JP1017998A JP1799889A JPH02197401A JP H02197401 A JPH02197401 A JP H02197401A JP 1017998 A JP1017998 A JP 1017998A JP 1799889 A JP1799889 A JP 1799889A JP H02197401 A JPH02197401 A JP H02197401A
- Authority
- JP
- Japan
- Prior art keywords
- tire
- diamond
- high wear
- resisting material
- stud
- 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
- 239000010409 thin film Substances 0.000 claims abstract description 10
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 9
- 239000010432 diamond Substances 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 150000004767 nitrides Chemical class 0.000 claims abstract description 5
- 230000000737 periodic effect Effects 0.000 claims abstract description 5
- 239000002344 surface layer Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 abstract description 8
- 239000010408 film Substances 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000003111 delayed effect Effects 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 239000010410 layer Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Tires In General (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、パス、トラック、乗用車、オートノマイ、ス
クータ−等に用いられるゴムタイヤ詳しくはその表面を
改質したものに関するものである。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to rubber tires used for passes, trucks, passenger cars, autonomies, scooters, etc., and more particularly to rubber tires whose surfaces have been modified.
「従来の技術」
従来のこの種のゴムタイヤは、その最外層だけを極めて
薄い範囲にわたって改質しようとする試みは全くなされ
ていない。"Prior Art" In conventional rubber tires of this type, no attempt has been made to modify only the outermost layer over a very thin range.
「発明が解決しようとする課題」
従来、このゴムタイヤはある程度の使用後には、取り替
えることが常識となっており、長寿命化は望まれる処で
ある。``Problems to be Solved by the Invention'' Conventionally, it has been common knowledge that rubber tires should be replaced after a certain amount of use, and a longer lifespan is desired.
また、凍結、積雪期の従来のタイヤスパイクでは、粉塵
発生や路面損傷の問題があり、この用途にはスパイクレ
スのスタッド付きタイヤが用いられてくる可能性がある
ものの、このスタッドの磨滅が早いことが問題である。In addition, conventional tire spikes during freezing and snowy seasons have the problem of generating dust and damaging the road surface, and although spikeless studded tires may be used for this purpose, the studs wear out quickly. That is the problem.
上記に鑑み、本発明は問題となるタイヤ又はスタッドの
磨滅の発生を大巾に遅延させて寿命を向上させることを
目的として開発されたものである。In view of the above, the present invention has been developed with the aim of significantly delaying the occurrence of problematic tire or stud wear and improving the lifespan of tires or studs.
「課題を解決するための手段」
即ち本発明は、膜厚５μｍ以下の超薄膜のダイヤモンド
又はダイヤモンドライクカーボン或いは周期律表のＩＩ
Ｉ〜ＶＩ族金属の酸化物、窒化物、炭化物、硼化物をタ
イヤ表面層に有することを特徴とし、これによりタイヤ
表面に形成されたスタッド又は溝が磨滅することを著し
く改善したゴムタイヤである。``Means for Solving the Problems'' That is, the present invention provides an ultra-thin film of diamond or diamond-like carbon with a film thickness of 5 μm or less or II of the periodic table.
This rubber tire is characterized by containing oxides, nitrides, carbides, and borides of group I to VI metals in the tire surface layer, thereby significantly reducing the wear of studs or grooves formed on the tire surface.
以下に詳細に本発明を説明する。第１．２図は本発明の
タイヤを例示する断面図である。図中（１）はゴムタイ
ヤ本体、（２）は超薄膜のダイヤモンド又はダイヤモン
ドライクカーボン或いは周期律表ＩＩＩ〜ＶＩ族金属の
酸化物、窒化物、炭化物、硼化物（以后（２）を超薄膜
の高耐摩耗性物質と略記）、（３）は溝である。The present invention will be explained in detail below. FIG. 1.2 is a sectional view illustrating the tire of the present invention. In the figure, (1) is the rubber tire body, (2) is an ultra-thin film of diamond or diamond-like carbon, or oxides, nitrides, carbides, and borides of metals from groups III to VI of the periodic table (after (2) is an ultra-thin film of diamond or diamond-like carbon). (abbreviated as high wear-resistant material), (3) is a groove.
即ち本発明は、ゴムタイヤの最外層にダイヤモンド等高
耐摩耗性物質を極めて薄い被膜として形成することによ
り、問題となるタイヤ又はストラドの磨滅の発生を大巾
に遅延させて寿命を向上させたものである。That is, the present invention significantly delays the occurrence of problematic tire or straddled wear by forming an extremely thin coating of a highly wear-resistant material such as diamond on the outermost layer of a rubber tire, thereby improving its lifespan. It is.
ここで、この被膜の厚さを数１０μｍ以上の厚さに形成
することは路面走行時のタイヤの弾性変形に追従出来ず
に、この被膜が早期にはがれてしまうので５μｍ以下の
超薄膜であることが必要となる。Here, if the thickness of this coating is more than several tens of micrometers, it will not be able to follow the elastic deformation of the tire when running on the road, and the coating will peel off early, so it must be an ultra-thin film of less than 5 micrometers. This is necessary.
「作用」
超薄膜の高耐摩耗性物質（２）が最外層に形成され、か
つこの被膜はタイヤ表面の溝（３）部分にも形成されて
いる（第１図参照）。"Function" An ultra-thin film of highly wear-resistant material (2) is formed as the outermost layer, and this film is also formed in the grooves (3) on the tire surface (see Figure 1).
そのため、常に路面に接触する部分では使用初期に磨滅
して被膜も消滅するが、溝の壁や底に形成されている高
耐摩耗性物質の被膜（第２図全黒）により耐久性を維持
するタイヤとして実用される。Therefore, parts that constantly come into contact with the road surface wear out and the coating disappears in the early stages of use, but durability is maintained due to the coating of highly wear-resistant material formed on the walls and bottom of the groove (all black in Figure 2). It is used as a tire for practical use.
「実施例」 以下に本発明の実施例を述べる。"Example" Examples of the present invention will be described below.
実施例１：
スフラド付きタイヤ表面に非晶質ダイヤモンドをプラズ
マＣＶＤ法により膜厚０．１μｍで形成した。この被膜
は透光性があり、かつ超薄膜であるため外観上は従来品
と全く差異がなかったカ、実走テストの結果では２万ｋ
ｍ走行後のスタッドの磨減量は従来品に比較して約半分
と少なかった。Example 1: Amorphous diamond was formed on the surface of a tire with a sulfur layer to a thickness of 0.1 μm by plasma CVD. This coating is translucent and ultra-thin, so it looks no different from conventional products.
The amount of wear on the stud after running for m was approximately half that of the conventional product.
実施例２ニ
ラシアルタイヤ表面に窒化チタニウムとアルミナとをイ
オンブレーティング法により膜厚を０．１μｍと０．０
５μｍとの厚さで重ねて形成した。Example 2 Titanium nitride and alumina were coated on the surface of a tire with a film thickness of 0.1 μm and 0.0 μm using the ion-blating method.
They were formed in layers with a thickness of 5 μm.
最外層のアルミナは透明であるが、窒化チタニウムは黄
色であるため、試作されたタイヤは外観上は黄色となっ
ていた。The outermost layer, alumina, is transparent, but titanium nitride is yellow, so the prototype tire had a yellow appearance.
走行テストの２０ ｋｍでチエツクしたところ、路面に
常時接触する部分では被膜は消滅し、溝の内壁および底
部に残留するのみとなっていたが、さらに走行テストを
継続したところ、２ｋｍ走行後のタイヤの磨減量は従来
品に比較して約７０−と少なかった。When we checked the tires after 20 km of running test, we found that the coating had disappeared on the parts that were in constant contact with the road surface, and only remained on the inner walls and bottom of the grooves. However, when we continued the running test, we found that the tire film had disappeared after 2 km of running. The amount of abrasion was about 70 - smaller than that of conventional products.
実施例３：
実施例２に示した被膜成分を窒化チタニウムから炭化チ
タニウムに変更した以外は全く同様の構成でテストした
ところ耐久性向上の効果は同等であった。Example 3: A test was conducted using the same configuration as in Example 2 except that the coating components were changed from titanium nitride to titanium carbide, and the durability improvement effect was the same.
本発明の効果は、タイヤを構成するゴムが熱により劣化
しない温度範囲で超薄膜のコーティングを実施すること
Ｋより発揮される。The effects of the present invention are exhibited by performing the ultra-thin film coating in a temperature range in which the rubber constituting the tire does not deteriorate due to heat.
しかしながら、超薄膜であるために平担部に形成された
本発明の被膜のみでは実用上の効果は乏しい。即ちコン
ベア用のゴムベルト等の表面では本発明になる表面改質
では効果が期待し難いが、溝やスタッドを有するタイヤ
表面の改質には大きな効果があり、乗用車、二輪車或い
は産業用、農業用の作業車のタイヤ等に利用すると効果
的である。However, since it is an ultra-thin film, the coating of the present invention formed only on the flat portion has little practical effect. In other words, it is difficult to expect the effect of the surface modification of the present invention on the surface of rubber belts for conveyors, etc., but it is highly effective in modifying the surface of tires with grooves and studs. It is effective when used in tires of work vehicles, etc.
「発明の効果」
以上の様に本発明によれば、タイヤ或いはスタッドの磨
滅を押え、これらの長寿命化が計れる。"Effects of the Invention" As described above, according to the present invention, wear and tear of tires or studs can be suppressed and their lifespan can be extended.
本発明のゴムタイヤの断面を示す図に於いて、第１図は
使用前のもの、第２図は使用中のものを夫々例示してい
る。
（１）・・・タイヤ本体、
（２）・・・ダイヤモンド又はダイヤモンドライクカー
ボン或いは周期律表ＩＩＩ〜ＶＩ族金属の酸化物、窒化
物、炭化物又は硼化物の超薄膜。In the cross-sectional views of the rubber tire of the present invention, FIG. 1 shows the tire before use, and FIG. 2 shows the tire in use. (1) Tire body, (2) Ultra-thin film of diamond or diamond-like carbon or oxide, nitride, carbide or boride of group III to VI metals of the periodic table.
Claims (1)
ヤモンドライクカーボン或いは周期律表のIII〜VI族金
属の酸化物、窒化物、炭化物、硼化物をタイヤ表面層に
有することを特徴とするゴムタイヤ。(1) A rubber tire characterized by having an ultra-thin film of diamond or diamond-like carbon or an oxide, nitride, carbide, or boride of a group III to VI metal of the periodic table in the tire surface layer with a thickness of 5 μm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1017998A JPH02197401A (en) | 1989-01-27 | 1989-01-27 | Rubber tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1017998A JPH02197401A (en) | 1989-01-27 | 1989-01-27 | Rubber tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02197401A true JPH02197401A (en) | 1990-08-06 |
Family
ID=11959388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1017998A Pending JPH02197401A (en) | 1989-01-27 | 1989-01-27 | Rubber tire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02197401A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1030679A (en) * | 1996-07-13 | 1998-02-03 | Nissin Electric Co Ltd | Part for automobile and manufacture thereof |
| US6893720B1 (en) * | 1997-06-27 | 2005-05-17 | Nissin Electric Co., Ltd. | Object coated with carbon film and method of manufacturing the same |
| GB2454242A (en) * | 2007-11-02 | 2009-05-06 | P2I Ltd | Plasma coating |
| JP2014051216A (en) * | 2012-09-07 | 2014-03-20 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
-
1989
- 1989-01-27 JP JP1017998A patent/JPH02197401A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1030679A (en) * | 1996-07-13 | 1998-02-03 | Nissin Electric Co Ltd | Part for automobile and manufacture thereof |
| US6893720B1 (en) * | 1997-06-27 | 2005-05-17 | Nissin Electric Co., Ltd. | Object coated with carbon film and method of manufacturing the same |
| GB2454242A (en) * | 2007-11-02 | 2009-05-06 | P2I Ltd | Plasma coating |
| JP2014051216A (en) * | 2012-09-07 | 2014-03-20 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
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