JPH0526008A - Sliding member - Google Patents
Sliding memberInfo
- Publication number
- JPH0526008A JPH0526008A JP3202198A JP20219891A JPH0526008A JP H0526008 A JPH0526008 A JP H0526008A JP 3202198 A JP3202198 A JP 3202198A JP 20219891 A JP20219891 A JP 20219891A JP H0526008 A JPH0526008 A JP H0526008A
- Authority
- JP
- Japan
- Prior art keywords
- surface layer
- crystal
- sliding
- sliding surface
- plane
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は摺動部材、特に、相手部
材との摺動面を持つ表面層を備えた摺動部材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding member, and more particularly to a sliding member having a surface layer having a sliding surface with a mating member.
【０００２】[0002]
【従来の技術】従来、この種摺動部材として、母材のジ
ャーナル部外周面に、耐焼付き性および耐摩耗性の向上
を狙って金属メッキ層よりなる表面層を設けた内燃機関
用カム軸が知られている。2. Description of the Related Art Conventionally, as this type of sliding member, a camshaft for an internal combustion engine in which a surface layer made of a metal plating layer is provided on the outer peripheral surface of a journal portion of a base material in order to improve seizure resistance and wear resistance. It has been known.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、内燃機
関が高速、且つ高出力化の傾向にある現在の状況下で
は、従来の表面層は、そのオイル保持性、つまり保油性
が十分でなく、また初期なじみ性も悪いため耐焼付き性
および耐摩耗性が乏しいという問題がある。However, under the present circumstances where the internal combustion engine tends to be high speed and high output, the conventional surface layer does not have sufficient oil retention, that is, oil retention, and There is a problem that seizure resistance and wear resistance are poor due to poor initial conformability.
【０００４】本発明は前記に鑑み、表面層の金属結晶構
造を特定することによって、その表面層に十分な保油性
を持たせ、また表面層の初期なじみ性を良好にし、これ
により表面層の耐焼付き性および耐摩耗性を向上させた
前記摺動部材を提供することを目的とする。In view of the above, the present invention allows the surface layer to have a sufficient oil retaining property by specifying the metal crystal structure of the surface layer and to improve the initial conformability of the surface layer. An object of the present invention is to provide the sliding member having improved seizure resistance and wear resistance.
【０００５】[0005]
【課題を解決するための手段】本発明は、相手部材との
摺動面を持つ表面層を備えた摺動部材において、前記表
面層は、前記摺動面を形成すべく、ミラー指数で（ｈ０
０）面を摺動面側に向けた立方晶系に属する金属結晶を
有し、前記摺動面における前記（ｈ００）面の面積率を
５０％以上に設定したことを特徴とする。According to the present invention, in a sliding member having a surface layer having a sliding surface with a mating member, the surface layer has a Miller index (in order to form the sliding surface). h0
It is characterized in that it has a metal crystal belonging to a cubic system with the (0) plane facing the sliding surface side, and the area ratio of the (h00) plane in the sliding surface is set to 50% or more.
【０００６】[0006]
【実施例】図１，図２において、摺動部材としての内燃
機関用カム軸１は鋳鉄製母材２を有し、その母材２のジ
ャーナル部３外周面に表面層４が設けられる。その表面
層４は、相手部材としての軸受部材５との摺動面４ａを
持つ。1 and 2, a camshaft 1 for an internal combustion engine as a sliding member has a cast iron base material 2, and a surface layer 4 is provided on an outer peripheral surface of a journal portion 3 of the base material 2. The surface layer 4 has a sliding surface 4a with the bearing member 5 as a mating member.
【０００７】表面層４は、電気メッキ処理により形成さ
れたもので、立方晶系に属する金属結晶の集合体より構
成される。立方晶系には面心立方構造および体心立方構
造が含まれる。The surface layer 4 is formed by electroplating and is composed of an aggregate of metal crystals belonging to the cubic system. The cubic system includes a face-centered cubic structure and a body-centered cubic structure.
【０００８】面心立方構造を有する金属結晶としては、
Ｐｂ、Ｎｉ、Ｃｕ、Ａｌ、Ａｇ、Ａｕ等の単体結晶およ
び合金結晶を挙げることができ、また体心立方構造を有
する金属結晶としては、Ｆｅ、Ｃｒ、Ｍｏ、Ｗ、Ｔａ、
Ｚｒ、Ｎｂ、Ｖ等の単体結晶および合金結晶を挙げるこ
とができる。As a metal crystal having a face-centered cubic structure,
Pb, Ni, Cu, Al, Ag, Au, and other simple crystals and alloy crystals can be cited. Examples of the metal crystal having a body-centered cubic structure are Fe, Cr, Mo, W, Ta,
Examples thereof include single crystals of Zr, Nb, V and the like, and alloy crystals.
【０００９】金属結晶のうち所定のものは、摺動面４ａ
を形成すべく、ミラー指数で（ｈ００）面を摺動面側に
向けており、その摺動面４ａにおける（ｈ００）面の面
積率は５０％以上に設定される。The predetermined one of the metal crystals is the sliding surface 4a.
In order to form, the (h00) surface is oriented toward the sliding surface side by the Miller index, and the area ratio of the (h00) surface in the sliding surface 4a is set to 50% or more.
【００１０】このように摺動面４ａに（ｈ００）面が現
われるように、立方晶系の金属結晶に配向性を持たせる
と、その配向性を持つ金属結晶は、図３に示すように、
ジャーナル部３から延出する柱状晶７を形成し、その柱
状晶７は摺動面４ａを形成する四角錐体状先端部６を有
する。When a cubic metal crystal is made to have an orientation so that the (h00) plane appears on the sliding surface 4a as described above, the metal crystal having the orientation has the orientation as shown in FIG.
A columnar crystal 7 extending from the journal portion 3 is formed, and the columnar crystal 7 has a quadrangular pyramidal tip 6 forming a sliding surface 4a.
【００１１】摺動面４ａにおいて、（ｈ００）面、した
がって四角錐体状先端部６の面積率を前記のように５０
％以上に設定すると、その四角錐体状先端部６の頂点ａ
側を優先的に摩耗させて表面層４の初期なじみ性を良好
にすることができ、また四角錐体状先端部６により摺動
面４ａの表面積を拡大して、その表面層４に十分な保油
性を持たせることができる。これにより表面層４の耐焼
付き性を向上させることが可能である。前記面積率が５
０％未満では、前記作用効果を得ることができず、表面
層４の耐焼付き性が低下する。In the sliding surface 4a, the area ratio of the (h00) surface, and thus the quadrangular pyramid-shaped tip portion 6, is 50 as described above.
% Or more, the apex a of the quadrangular pyramidal tip 6
The side can be preferentially abraded to improve the initial conformability of the surface layer 4, and the surface area of the sliding surface 4a is enlarged by the quadrangular pyramid-shaped tip portion 6 so that the surface layer 4 has a sufficient surface area. It can have oil retention. This can improve the seizure resistance of the surface layer 4. The area ratio is 5
If it is less than 0%, the above-mentioned effects cannot be obtained, and the seizure resistance of the surface layer 4 is deteriorated.
【００１２】また（ｈ００）面配向に伴い、金属結晶が
立方晶系であることから、配向方向における原子密度が
高くなるので、表面層４の硬度を増すと共に前記保油性
を得て、表面層４の耐摩耗性を向上させることができ
る。Further, since the metal crystal is a cubic system along with the (h00) plane orientation, the atom density in the orientation direction becomes high, so that the hardness of the surface layer 4 is increased and the oil retaining property is obtained, and the surface layer is obtained. The wear resistance of No. 4 can be improved.
【００１３】前記のように優秀な摺動特性を得るために
は柱状晶７の傾きが問題となる。In order to obtain excellent sliding characteristics as described above, the inclination of the columnar crystals 7 becomes a problem.
【００１４】そこで、図３，図４に示すように四角錐体
状先端部６の底面側に、その先端部６を突出させて摺動
面４ａに沿う仮想面Ｂを規定し、また四角錐体状先端部
６の頂点ａと底面中央部ｃを通る直線ｄが、底面中央部
ｃを通り仮想面Ｂに垂直な基準線ｅに対してなす傾き角
をθと規定すると、柱状晶７の傾き角θは０°≦θ≦３
０°に設定される。傾き角θがθ＞３０°になると、表
面層４の保油性および頂点ａ側の優先的摩耗性が低下し
て表面層４の耐焼付き性および耐摩耗性が低下する。Therefore, as shown in FIGS. 3 and 4, the tip end portion 6 is projected on the bottom surface side of the quadrangular pyramid-shaped tip end portion 6 to define an imaginary plane B along the sliding surface 4a. If a straight line d passing through the apex a of the body-shaped tip 6 and the bottom center part c is defined as θ with respect to a reference line e passing through the bottom center part c and perpendicular to the virtual plane B, the columnar crystal 7 The tilt angle θ is 0 ° ≦ θ ≦ 3
It is set to 0 °. When the inclination angle θ is θ> 30 °, the oil retaining property of the surface layer 4 and the preferential wear property on the apex a side are deteriorated, and the seizure resistance and wear resistance of the surface layer 4 are deteriorated.
【００１５】以下、具体例について説明する。A specific example will be described below.
【００１６】鋳鉄製母材２のジャーナル部３外周面に電
気メッキ処理を施してＮｉ結晶の集合体よりなる表面層
４を形成した。The outer peripheral surface of the journal portion 3 of the cast iron base material 2 was electroplated to form a surface layer 4 made of an aggregate of Ni crystals.
【００１７】電気メッキ処理条件は次の通りである。メ
ッキ浴：硫酸ニッケルと塩化ニッケルとの混合浴；メッ
キ浴ｐＨ：４．５以下（一定）；添加剤：ホウ酸、有機
系添加剤；メッキ浴温度：５０℃；電流密度：９Ａ／ｄ
ｍ2 。The electroplating conditions are as follows. Plating bath: mixed bath of nickel sulfate and nickel chloride; plating bath pH: 4.5 or less (constant); additive: boric acid, organic additive; plating bath temperature: 50 ° C .; current density: 9 A / d
m 2 .
【００１８】図５は、表面層４におけるＮｉ結晶のＸ線
回折図であり、ピークｂ1 が（２００）面を、またピー
クｂ2 が（４００）面をそれぞれ示し、したがって、両
面は（ｈ００）面に属する。本図より、表面層４には、
（ｈ００）面が、摺動面４ａに沿う仮想面Ｂと平行な平
面内に位置するように配向したＮｉ結晶が存在すること
が判る。FIG. 5 is an X-ray diffraction pattern of the Ni crystal in the surface layer 4, where peak b 1 indicates the (200) plane and peak b 2 indicates the (400) plane, and therefore both sides are (h00 ) Belongs to the plane. From this figure, the surface layer 4 has
It can be seen that there is a Ni crystal oriented such that the (h00) plane is located in a plane parallel to the virtual plane B along the sliding surface 4a.
【００１９】この場合、ピークｂ1 ，ｂ2 の高さ、した
がって積分強度が高ければ高い程Ｎｉ結晶の前記配向度
が増し、その結果、摺動面４ａにおける（ｈ００）面の
面積率が高くなる。この配向度の調節は、電気メッキ処
理条件を変えることによって行われる。図５の場合、摺
動面４ａにおける（ｈ００）面の面積率は１００％であ
る。In this case, the higher the heights of the peaks b 1 and b 2 , and thus the higher the integrated intensity, the higher the degree of orientation of the Ni crystal, and as a result, the area ratio of the (h00) plane in the sliding surface 4a becomes higher. Become. The adjustment of the degree of orientation is performed by changing the electroplating processing conditions. In the case of FIG. 5, the area ratio of the (h00) plane in the sliding surface 4a is 100%.
【００２０】図６（ａ）は、摺動面４ａにおけるＮｉの
結晶構造を示す電子顕微鏡写真（5,000 倍）であり、同
図（ｂ）は（ａ）の概略図である。本図より、摺動面４
ａが四角錐体状先端部を有することが判る。各柱状晶の
傾き角θは、０°≦θ≦３０°である。FIG. 6 (a) is an electron micrograph (5,000 times) showing the crystal structure of Ni on the sliding surface 4a, and FIG. 6 (b) is a schematic view of (a). From this figure, sliding surface 4
It can be seen that a has a quadrangular pyramidal tip. The tilt angle θ of each columnar crystal is 0 ° ≦ θ ≦ 30 °.
【００２１】図７は、Ｎｉ結晶よりなる表面層４の焼付
き試験結果を示す。この試験は、チップオンディスク試
験機を用いて行われ、試験条件は、ディスクの材質：炭
素鋼（Ｓ４８Ｃ材）の窒化処理材；ディスクの回転速
度：１０ｍ／sec ；オイル供給量：４０ｃｃ／min ；で
ある。本図において、耐焼付き性は、チップが焼付きを
発生したときのチップに作用する力、即ち、ニュートン
（Ｎ）を求めることによって判断された。FIG. 7 shows the result of the seizure test of the surface layer 4 made of Ni crystal. This test is performed using a chip-on-disk tester, and the test conditions are: disk material: carbon steel (S48C material) nitriding material; disk rotation speed: 10 m / sec; oil supply rate: 40 cc / min ;. In this figure, the seizure resistance was judged by determining the force acting on the chip when the seizure occurred, that is, Newton (N).
【００２２】図７から明らかなように、摺動面４ａにお
ける（ｈ００）面の面積率を５０％以上に設定すること
によって表面層４の耐焼付き性を向上させることができ
る。As is apparent from FIG. 7, the seizure resistance of the surface layer 4 can be improved by setting the area ratio of the (h00) plane in the sliding surface 4a to 50% or more.
【００２３】なお、母材２は鋼、Ａｌ合金等より構成さ
れていてもよい。The base material 2 may be made of steel, Al alloy or the like.
【００２４】次に、内燃機関用ロッカアームのロッカ軸
挿通部内周面に設けられる表面層をＰｂ合金より構成す
る例について説明する。Next, an example in which the surface layer provided on the inner peripheral surface of the rocker shaft insertion portion of the rocker arm for an internal combustion engine is made of Pb alloy will be described.
【００２５】Ａｌ合金製母材のロッカ軸挿通部内周面に
電気メッキ処理を施してＰｂ合金結晶の集合体よりなる
表面層を形成した。The inner peripheral surface of the rocker shaft insertion portion of the Al alloy base material was electroplated to form a surface layer composed of an aggregate of Pb alloy crystals.
【００２６】電気メッキ処理条件は次の通りである。メ
ッキ浴：１リットル当り１００ｇのＰｂ2+および１リッ
トル当り１０ｇのＳｎ2+を含むホウフッ化系メッキ浴；
添加剤：ホウフッ酸、ホウ酸、有機系添加剤；メッキ浴
温度：２５℃；陰極電流密度：８Ａ／ｄｍ2 。The electroplating conditions are as follows. Plating bath: a fluorinated plating bath containing 100 g of Pb 2+ per liter and 10 g of Sn 2+ per liter;
Additive: borofluoric acid, boric acid, organic additive; plating bath temperature: 25 ° C .; cathode current density: 8 A / dm 2 .
【００２７】図８は、表面層におけるＰｂ合金結晶のＸ
線回折図であり、ピークｂ1 が（２００）面を、またピ
ークｂ2 が（４００）面をそれぞれ示し、したがって両
面は（ｈ００）面に属する。本図より、表面層は、（ｈ
００）面が、摺動面に沿う仮想面Ｂと平行な平面内に位
置するように配向したＰｂ合金結晶より構成されている
ことが判る。したがって、本例では、摺動面における
（ｈ００）面の面積率は１００％である。FIG. 8 shows X of Pb alloy crystals in the surface layer.
A line diffraction diagram showed a peak b 1 is the (200) plane, and peak b 2 is a (400) plane, respectively, thus both surfaces belongs to (h00) face. From this figure, the surface layer is (h
It can be seen that the (00) plane is composed of Pb alloy crystals oriented so as to be located in a plane parallel to the virtual plane B along the sliding surface. Therefore, in this example, the area ratio of the (h00) plane in the sliding surface is 100%.
【００２８】図９は、摺動面におけるＰｂ合金の結晶構
造を示す電子顕微鏡写真（10,000倍）であり、図１０
は、表面層を縦断した場合におけるＰｂ合金の結晶構造
を示す電子顕微鏡写真（5,000 倍）である。図９、図１
０より、表面層が柱状晶の集合体より構成され、また摺
動面が四角錐体状先端部の集合体より形成されているこ
とが判る。各柱状晶の傾き角θは、０°≦θ≦１０°で
ある。FIG. 9 is an electron micrograph (× 10,000) showing the crystal structure of the Pb alloy on the sliding surface.
Is an electron micrograph (5,000 times) showing the crystal structure of a Pb alloy when the surface layer is longitudinally cut. 9 and 1
From 0, it can be seen that the surface layer is composed of an aggregate of columnar crystals, and the sliding surface is formed of an aggregate of quadrangular pyramidal tip portions. The tilt angle θ of each columnar crystal is 0 ° ≦ θ ≦ 10 °.
【００２９】図１１は、Ｐｂ合金結晶よりなる表面層の
焼付き試験結果を示す。この試験はチップオンディスク
試験機を用いて行われ、試験条件は、前記Ｎｉ結晶より
なる表面層の場合と同じである。FIG. 11 shows the result of the seizure test of the surface layer made of Pb alloy crystals. This test is performed using a chip-on-disk tester, and the test conditions are the same as those for the surface layer made of the Ni crystal.
【００３０】図１１から明らかなように、摺動面におけ
る（ｈ００）面の面積率を５０％以上に設定することに
よって表面層の耐焼付き性を向上させることができる。As is apparent from FIG. 11, the seizure resistance of the surface layer can be improved by setting the area ratio of the (h00) plane in the sliding surface to 50% or more.
【００３１】本発明は前記カム軸、ロッカアームに限ら
ず、ジャーナル部にＮｉ等の金属結晶を有する表面層を
設けた内燃機関用クランク軸、Ａｌ合金製ピストンとＡ
ｌ合金製シリンダブロックとの組合せにおいて、スカー
ト部にＦｅ等の金属結晶を有する表面層を設けた内燃機
関用ピストン等の摺動部材に適用される。The present invention is not limited to the camshaft and rocker arm, but the crankshaft for an internal combustion engine having a surface layer having a metal crystal such as Ni on the journal portion, an Al alloy piston and A
In combination with a 1-alloy cylinder block, it is applied to a sliding member such as a piston for an internal combustion engine having a skirt portion provided with a surface layer having a metal crystal such as Fe.
【００３２】[0032]
【発明の効果】本発明によれば、表面層の金属結晶構造
を前記のように特定することによって、その表面層の耐
焼付き性および耐摩耗性を向上させた摺動部材を提供す
ることができる。According to the present invention, by specifying the metal crystal structure of the surface layer as described above, it is possible to provide a sliding member having improved seizure resistance and wear resistance of the surface layer. it can.
【図１】カム軸の斜視図である。FIG. 1 is a perspective view of a cam shaft.
【図２】カム軸のジャーナル部と軸受部材との関係を示
す断面図である。FIG. 2 is a cross-sectional view showing a relationship between a journal portion of a cam shaft and a bearing member.
【図３】表面層の要部概略斜視図である。FIG. 3 is a schematic perspective view of a main part of a surface layer.
【図４】柱状晶の傾き角測定法を示す説明図である。FIG. 4 is an explanatory diagram showing a tilt angle measuring method for columnar crystals.
【図５】表面層におけるＮｉ結晶のＸ線回折図である。FIG. 5 is an X-ray diffraction diagram of Ni crystal in the surface layer.
【図６】（ａ）は摺動面におけるＮｉの結晶構造を示す
顕微鏡写真であり、同図（ｂ）は（ａ）の概略図であ
る。6A is a micrograph showing a crystal structure of Ni on a sliding surface, and FIG. 6B is a schematic view of FIG. 6A.
【図７】摺動面における（ｈ００）面の面積率と表面層
の焼付き発生面圧との関係を示すグラフである。FIG. 7 is a graph showing the relationship between the area ratio of the (h00) plane in the sliding surface and the surface pressure that causes seizure of the surface layer.
【図８】表面層におけるＰｂ合金結晶のＸ線回折図であ
る。FIG. 8 is an X-ray diffraction diagram of Pb alloy crystals in the surface layer.
【図９】摺動面におけるＰｂ合金の結晶構造を示す顕微
鏡写真である。FIG. 9 is a micrograph showing a crystal structure of a Pb alloy on a sliding surface.
【図１０】表面層を縦断した場合におけるＰｂ合金の結
晶構造を示す顕微鏡写真である。FIG. 10 is a micrograph showing a crystal structure of a Pb alloy when a surface layer is longitudinally cut.
【図１１】摺動面における（ｈ００）面の面積率と表面
層における焼付き発生面圧との関係を示すグラフであ
る。FIG. 11 is a graph showing the relationship between the area ratio of the (h00) plane in the sliding surface and the surface pressure at which seizure occurs in the surface layer.
４ 表面層 ４ａ 摺動面 ５ 軸受部材 4 Surface layer 4a Sliding surface 5 Bearing member
Claims (1)
つ表面層（４）を備えた摺動部材において、前記表面層
（４）は、前記摺動面（４ａ）を形成すべく、ミラー指
数で（ｈ００）面を摺動面側に向けた立方晶系に属する
金属結晶を有し、前記摺動面（４ａ）における前記（ｈ
００）面の面積率を５０％以上に設定したことを特徴と
する摺動部材。Claims: 1. A sliding member comprising a surface layer (4) having a sliding surface (4a) with a mating member (5), wherein the surface layer (4) is the sliding member. In order to form the surface (4a), a metal crystal belonging to a cubic system with the (h00) surface facing the sliding surface at the Miller index is included, and the (h) on the sliding surface (4a) is included.
The sliding member is characterized in that the area ratio of the (00) surface is set to 50% or more.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3202198A JP2753773B2 (en) | 1991-07-18 | 1991-07-18 | Sliding member |
| CA002070932A CA2070932C (en) | 1991-06-11 | 1992-06-10 | Slide bearing |
| FR9206966A FR2678693B1 (en) | 1991-06-11 | 1992-06-10 | SLIDING CAPACITY. |
| GB9212387A GB2256903B (en) | 1991-06-11 | 1992-06-11 | Slide bearing |
| US07/897,379 US5342698A (en) | 1991-06-11 | 1992-06-11 | Slide bearing |
| DE4219144A DE4219144C2 (en) | 1991-06-11 | 1992-06-11 | Slide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3202198A JP2753773B2 (en) | 1991-07-18 | 1991-07-18 | Sliding member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0526008A true JPH0526008A (en) | 1993-02-02 |
| JP2753773B2 JP2753773B2 (en) | 1998-05-20 |
Family
ID=16453596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3202198A Expired - Fee Related JP2753773B2 (en) | 1991-06-11 | 1991-07-18 | Sliding member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2753773B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2698925A1 (en) * | 1992-12-03 | 1994-06-10 | Honda Motor Co Ltd | Slip surface structure. |
| JPH06323110A (en) * | 1993-05-11 | 1994-11-22 | Honda Motor Co Ltd | Sliding surface structural body |
-
1991
- 1991-07-18 JP JP3202198A patent/JP2753773B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2698925A1 (en) * | 1992-12-03 | 1994-06-10 | Honda Motor Co Ltd | Slip surface structure. |
| JPH06323110A (en) * | 1993-05-11 | 1994-11-22 | Honda Motor Co Ltd | Sliding surface structural body |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2753773B2 (en) | 1998-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |