JPH03125036A - Material for preventing disc brake noise of vehicle - Google Patents
Material for preventing disc brake noise of vehicleInfo
- Publication number
- JPH03125036A JPH03125036A JP26150089A JP26150089A JPH03125036A JP H03125036 A JPH03125036 A JP H03125036A JP 26150089 A JP26150089 A JP 26150089A JP 26150089 A JP26150089 A JP 26150089A JP H03125036 A JPH03125036 A JP H03125036A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- elastomer
- elastic layer
- composition
- main component
- 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 description 23
- 230000002265 prevention Effects 0.000 claims abstract description 18
- 229920001971 elastomer Polymers 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 13
- 239000000806 elastomer Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims description 19
- 229920006229 ethylene acrylic elastomer Polymers 0.000 claims description 15
- 239000000945 filler Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920000800 acrylic rubber Polymers 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 229910019142 PO4 Inorganic materials 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract description 2
- 239000010452 phosphate Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 2
- 150000003016 phosphoric acids Chemical class 0.000 abstract 1
- 229920000459 Nitrile rubber Polymers 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 sericite Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/0006—Noise or vibration control
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、自動車等の車両用ディスクブレーキに使用さ
れるブレーキ鳴き防止材の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to improvements in brake squeal prevention materials used in disc brakes for vehicles such as automobiles.
［従来の技術］
従来、自動車用ディスクブレーキの鳴き防止材として、
振動減衰特性の大きい材料１例えばポリイソブチレンあ
るいはアクリルニトリルブタジェン共重合体等を鋼板の
片面または両面に塗布加硫して成るゴムコーティング鋼
板が知られている。[Conventional technology] Conventionally, as a squeal prevention material for automobile disc brakes,
A rubber-coated steel sheet is known, which is made by applying a material 1 having high vibration damping properties, such as polyisobutylene or acrylonitrile-butadiene copolymer, to one or both sides of the steel sheet and vulcanizing it.
上記ブレーキ鳴き防止材は１通常、ディスクパッドの背
面に装着され、ブレーキの制動時に発生するブレーキパ
ッドの振動エネルギーを、そのゴム弾性層の粘弾性によ
って熱エネルギーに変換することで吸収減衰し、同時に
振動の伝達経路を遮断して、鳴き音を抑制するように働
くものである。The above-mentioned brake squeal prevention material is usually attached to the back of the disc pad, and absorbs and attenuates the vibration energy of the brake pad generated during braking by converting it into thermal energy using the viscoelasticity of its rubber elastic layer. It works to suppress the noise by blocking the vibration transmission path.
［発明が解決しようとする課題］
上記構成のディスクブレーキにあっては、ブレーキを頻
繁に使用することによ仇、ディスクとブレーキの間に摩
擦熱が発生し、その摩擦熱がブレ−キパッドを通して前
記鳴き防止材に伝達されるが、その摩擦熱でゴムコーテ
ィング鋼板の温度が１５０℃以上の高温になると、通常
使用されているゴム状弾性層では、振動減衰特性が大き
く低下し、ブレーキ鳴き防止効果が十分に発揮されない
という不具合がある。[Problems to be Solved by the Invention] In the disc brake having the above configuration, when the brake is used frequently, frictional heat is generated between the disc and the brake, and this frictional heat is transferred through the brake pad. When the frictional heat is transmitted to the anti-squeal material, and the temperature of the rubber-coated steel plate reaches a high temperature of 150°C or higher, the vibration damping properties of the normally used rubber-like elastic layer decrease significantly, making it difficult to prevent brake squeal. There is a problem that the effect is not fully demonstrated.
［発明の目的］
本発明は、上記欠点を解消するためになされたものであ
って、ブレーキの頻繁な使用で１５０℃以上の高温にな
っても、ブレーキ鳴き防止効果が十分に発揮される車両
用ディスクブレーキの鳴き防止材を提供することを主た
る目的としているものである。[Object of the Invention] The present invention has been made in order to eliminate the above-mentioned drawbacks, and provides a vehicle in which the brake squeal prevention effect is sufficiently exhibited even when the brakes are frequently used and the temperature reaches 150°C or higher. Its main purpose is to provide a squeal prevention material for disc brakes.
［課題を解決するための手段］
本発明は、金属板の片面または両面にゴム状弾性層を形
成した構造、もしくは金属板間にゴム状弾性層を形成し
た構造のディスクブレーキ鳴き防止材において、前記ゴ
ム状弾性層を、エチレンアクリルエラストマーを主成分
とする組成物で形成することにより、上述した問題点の
解決を図ったものである。[Means for Solving the Problems] The present invention provides a disc brake squeal prevention material having a structure in which a rubbery elastic layer is formed on one or both sides of a metal plate, or a structure in which a rubbery elastic layer is formed between metal plates. The above-mentioned problems are solved by forming the rubber-like elastic layer with a composition containing ethylene acrylic elastomer as a main component.
前記エチレンアクリルエラストマーを主成分とする組成
物としては、エチレンアクリルエラストマーにタルク、
セリサイト等の無機質リン片状充填材を添加した組成物
、またはフッ素ゴム、アクリルゴム、水添ＮＢＲ等のよ
うにエチレンアクリルエラストマーより高温で損失係数
ピークをもつエラストマーおよびポリフェニレンサルフ
ァイド（ＰＰＳ）、水添ＮＢＲ等の樹脂をアロイ化した
組成物が用いられる。The composition containing ethylene acrylic elastomer as a main component includes talc, talc, and ethylene acrylic elastomer.
Compositions containing inorganic flaky fillers such as sericite, or elastomers that have a loss coefficient peak at higher temperatures than ethylene acrylic elastomers, such as fluororubber, acrylic rubber, and hydrogenated NBR, and polyphenylene sulfide (PPS), water A composition alloyed with a resin such as NBR is used.
［作用］
上記構成のディスクブレーキ用鳴き防止材においては、
ゴム状弾性層がエチレンアクリルエラストマーを主成分
とする組成物で形成されているので、高温においても振
動減衰特性は低下せず、ブレーキ鳴き防止性能が十分に
発揮される。[Function] In the disc brake squeal prevention material with the above configuration,
Since the rubber-like elastic layer is formed from a composition containing ethylene acrylic elastomer as a main component, the vibration damping properties do not deteriorate even at high temperatures, and the brake squeal prevention performance is fully exhibited.
［実施例］
次に、本発明を図面に示した実施例に基づいて具体的に
説明する。[Example] Next, the present invention will be specifically described based on an example shown in the drawings.
実施例［１］
この実施例は、第１図に示したブレーキ鳴き防止材の構
造に基づいてなされたものである。金属板１には厚さ０
．２５＋ｍの冷間圧延鋼板を用い、その表面をアルカリ
脱脂処理したあと、スコッチブライト法により研磨して
粗面化し１次にリン酸系化成処理を行い１表面にリン酸
塩の防錆皮膜を形成する。Example [1] This example was made based on the structure of the brake squeal prevention material shown in FIG. Metal plate 1 has a thickness of 0
．． Using a 25+m cold-rolled steel plate, the surface is degreased with alkali, then polished using the Scotchbrite method to roughen the surface, and then subjected to phosphoric acid chemical conversion treatment to form a phosphate anti-corrosion film on the first surface. do.
次に、前記防錆皮膜のうえに、フェノール樹脂およびプ
ライマー用ニトリルゴム（ＮＢＲ）をＭＥＫ、エタノー
ル、ＭＩ ＢＫに溶解して得たプライマーを塗布し、熱
処理（１３０℃〜１８０℃で１分〜５分間）を行い、プ
ライマー層２，２を形成する。Next, a primer obtained by dissolving phenol resin and nitrile rubber (NBR) for primer in MEK, ethanol, and MI BK was applied on the rust-preventive film, and heat treated (at 130°C to 180°C for 1 minute to 100°C). 5 minutes) to form primer layers 2, 2.
次に前記プライマー層２．２ｉに、エチレンアクリルエ
ラストマーに５ＰＨＲ〜３００ ＰＨＲの無機質リン片
状充填材（タルク、セリサイト等）を含有して得た第１
の組成物、またはエチレンアクリルエラストマーとそれ
より高温に損失係数のピークをもつエラストマー（フッ
素ゴム、アクリルゴム、水添ＮＢＲ等）および樹脂（ｐ
ｐｓ）を５ＰＨＲ〜１００ＰＨＲ，アロイ化（半相溶）
して得た第２の組成物をトルエン、エタノール、ＭＥＫ
の混合溶剤に溶解したものを、リバースコーター、ナイ
フコーター等によって塗布して３０μ〜１５０μのゴム
状弾性層３，３を形成し、ブレーキ鳴き防止材とした。Next, in the primer layer 2.2i, a first layer obtained by containing an inorganic flaky filler (talc, sericite, etc.) of 5 PHR to 300 PHR in an ethylene acrylic elastomer is added.
compositions, or ethylene acrylic elastomers, elastomers whose loss coefficients peak at higher temperatures (fluororubber, acrylic rubber, hydrogenated NBR, etc.) and resins (p
ps) from 5PHR to 100PHR, alloying (semi-compatible)
The second composition obtained by adding toluene, ethanol, MEK
It was dissolved in a mixed solvent and coated using a reverse coater, knife coater, etc. to form rubber-like elastic layers 3, 3 with a thickness of 30 μm to 150 μm, thereby forming a brake squeal prevention material.
なお、上記に使用する無機質リン片状充填材は、エチレ
ンアクリルエラストマーとの相互作用が少なく、平均粒
径が５μ以下のものがよい。The inorganic flake-like filler used above preferably has little interaction with the ethylene acrylic elastomer and has an average particle size of 5 μm or less.
実施例［２］
この実施例は、第２図に示したブレーキ鳴き防止材の構
造に基づいてなされたものである６本実施例では、実施
例［１］と同様な処理により、金属板１の片面に防錆皮
膜およびプライマー層２を形成し、その上に前記第２組
成物よりなるゴム状弾性層３を形成して基材となし、こ
の基材同志をゴム層面で重ね合わせ、熱ロールまたは熱
プレスにて、１００℃〜２４０℃の温度で１０秒〜１０
分間挟持し、前記ゴム層の自己接着性により一体化して
構成したものである。前記ゴム層を形成している第２の
組成物は、粘着性の高いエラストマー（カルボキシル基
ＮＢＲ）とエチレンアクリルエラストマーをアロイ化組
成物としたもので、そのコーティング層は粘着性が高い
ので、自己接着性により容易に一体化される。Example [2] This example was made based on the structure of the brake squeal prevention material shown in FIG. A rust-preventive film and a primer layer 2 are formed on one side of the base material, and a rubber-like elastic layer 3 made of the second composition is formed on the base material. Roll or heat press at a temperature of 100°C to 240°C for 10 seconds to 10
They are sandwiched together for a few minutes and then integrated by the self-adhesive properties of the rubber layer. The second composition forming the rubber layer is an alloyed composition of a highly adhesive elastomer (carboxyl group NBR) and an ethylene acrylic elastomer. Easily integrated due to adhesive properties.
なお、上記実施例［１］は、金属板１の両面にゴム状弾
性層３を形成したものであるが、片面だけにゴム状弾性
層を形成したものでもよい、また、実施例［２］では、
金属板の片面にゴム状弾性層３を形成したものを基材と
しているが、金属板の両面にゴム状弾性層を形成したも
のを基板として重ね合わせにしてもよい。Note that in the above example [1], the rubber-like elastic layer 3 is formed on both sides of the metal plate 1, but the rubber-like elastic layer 3 may be formed on only one side. So,
The base material is a metal plate with a rubber-like elastic layer 3 formed on one side, but metal plates with rubber-like elastic layers formed on both sides may be stacked as substrates.
［発明の効果］
本発明によれば、金属板にゴム状弾性層を形成して構成
するブレーキ鳴き防止材において、ゴム状弾性層を、高
温においての振動減衰特性にすぐれた物性を有するエチ
レンアクリルエラストマーを主成分とする組成物で形成
しているので、ブレーキを頻繁に使用するときに生じる
１５０℃以上の高温においても減衰特性が低下しない鳴
き防止材を得ることができる。特に前記エチレンアクリ
ルエラストマー組成物を金属板間に拘束する構造の鳴き
防止材にあっては、振動時に生じる振動エネルギーを拘
束するエラストマー層の歪、ずれを大きくさせる効果が
あるため、エラストマーのもつ振動減衰をさらに有効に
発揮させることができる。[Effects of the Invention] According to the present invention, in a brake squeal prevention material formed by forming a rubber-like elastic layer on a metal plate, the rubber-like elastic layer is made of ethylene acrylic having excellent physical properties of vibration damping properties at high temperatures. Since it is formed from a composition containing an elastomer as a main component, it is possible to obtain an anti-squeal material whose damping characteristics do not deteriorate even at high temperatures of 150° C. or higher, which occur when brakes are frequently used. In particular, in the case of anti-squeal materials having a structure in which the ethylene acrylic elastomer composition is restrained between metal plates, the elastomer's vibration is Attenuation can be made more effective.
加えて、前記エチレンアクリルエラストマーに無機質リ
ン片状充填材を添加した組成物を用いたものによれば、
エラストマーと充填材に相互作用のない界面が生じ、振
動エネルギーを界面にて摩擦エネルギーに変換させる作
用があるので、振動減衰特性を更に向上させることがで
きると共に耐熱性および金属板との接着性の向上ならび
にコスト軽減化が図れる。In addition, according to the composition using the ethylene acrylic elastomer with an inorganic scale filler added,
An interface with no interaction is created between the elastomer and the filler, which converts vibrational energy into frictional energy at the interface, further improving vibration damping properties and improving heat resistance and adhesion to metal plates. improvement and cost reduction.
また、前記エチレンアクリルエラストマーに。Also, the ethylene acrylic elastomer.
それより高温に損失係数のピークをもつエラストマーお
よび樹脂をアロイ化した組成物を用いたものによれば、
広範囲に２種ポリマーの温度の違う損失係数のピークが
出現するので、温度依存性の小さい振動特性を発揮させ
ることができる。According to a composition using an alloyed elastomer and resin whose loss coefficient peaks at higher temperatures,
Since peaks of loss coefficients at different temperatures of the two types of polymers appear over a wide range, vibration characteristics with small temperature dependence can be exhibited.
第１図は本発明の一実施例を示すブレーキ鳴き防止材の
断面図、第２図は他の実施例を示すブレーキ鳴き防止材
の断面図である。
１・・・・・・・・・金属板、２・・・・・・・・・プ
ライマー層、３・・・・・・・・・ゴム状弾性層。
第１図FIG. 1 is a sectional view of a brake squeal prevention material showing one embodiment of the present invention, and FIG. 2 is a sectional view of a brake squeal prevention material showing another embodiment. 1...Metal plate, 2...Primer layer, 3...Rubber-like elastic layer. Figure 1
Claims (2)
た構造、もしくは金属板間にゴム状弾性層を形成した構
造のディスクブレーキ鳴き防止材であって、前記ゴム状
弾性層が、エチレンアクリルエラストマーを主成分とす
る組成物で形成されていることを特徴とする車両用ディ
スクブレーキの鳴き防止材。(1) A disc brake squeal prevention material having a structure in which a rubber-like elastic layer is formed on one or both sides of a metal plate, or a structure in which a rubber-like elastic layer is formed between metal plates, wherein the rubber-like elastic layer is made of ethylene. A squeal prevention material for vehicle disc brakes, characterized in that it is formed from a composition containing an acrylic elastomer as a main component.
成物が、エチレンアクリルエラストマーに無機質リン片
状充填材が添加された組成物、またはエチレンアクリル
エラストマーとそれより高温に損失係数のピークをもつ
エラストマーおよび樹脂をアロイ化した組成物とされて
いる第１請求項記載の車両用ディスクブレーキの鳴き防
止材。(2) A composition whose main component is an ethylene acrylic elastomer is a composition in which an inorganic scale filler is added to an ethylene acrylic elastomer, or an elastomer and resin whose loss coefficient peaks at a higher temperature than the ethylene acrylic elastomer. The anti-squeal material for a disc brake for a vehicle according to claim 1, wherein the composition is an alloyed composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26150089A JPH03125036A (en) | 1989-10-06 | 1989-10-06 | Material for preventing disc brake noise of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26150089A JPH03125036A (en) | 1989-10-06 | 1989-10-06 | Material for preventing disc brake noise of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03125036A true JPH03125036A (en) | 1991-05-28 |
Family
ID=17362771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26150089A Pending JPH03125036A (en) | 1989-10-06 | 1989-10-06 | Material for preventing disc brake noise of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03125036A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0527373U (en) * | 1991-09-24 | 1993-04-09 | オカモト株式会社 | Anticorrosion coating film for automobile leaf springs |
| JPH0527372U (en) * | 1991-09-24 | 1993-04-09 | オカモト株式会社 | Anticorrosion coating film for automobile leaf springs |
| JPH0527374U (en) * | 1991-09-24 | 1993-04-09 | オカモト株式会社 | Anticorrosion coating film for automobile leaf springs |
| JPH0527375U (en) * | 1991-09-24 | 1993-04-09 | オカモト株式会社 | Anticorrosion coating film for automobile leaf springs |
| JPH07502329A (en) * | 1991-12-27 | 1995-03-09 | ルボール マテリアルズ スウェーデン アクチボラグ | Vibration and noise damping insert for automobile brakes and method for producing web for insert production |
| WO2000015975A1 (en) * | 1998-09-11 | 2000-03-23 | Hayes Lemmerz International, Inc. | Rotor with viscoelastic vibration reducing element and method of making the same |
| CN102344098A (en) * | 2010-07-27 | 2012-02-08 | 东芝电梯株式会社 | Brake having noise elimination function |
| US20130240306A1 (en) * | 2012-03-16 | 2013-09-19 | Material Sciences Corporation | Brake shims and methods of forming same |
| DE102014006646A1 (en) * | 2014-05-07 | 2015-11-12 | Wolverine Advanced Materials Gmbh | damping plate |
| EP3715661A1 (en) * | 2019-03-26 | 2020-09-30 | Trelleborg Sealing Solutions Kalmar AB | Improved anti-squeal shim |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877929A (en) * | 1981-11-04 | 1983-05-11 | Akebono Brake Ind Co Ltd | Preventing mechanism for brake noise |
-
1989
- 1989-10-06 JP JP26150089A patent/JPH03125036A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877929A (en) * | 1981-11-04 | 1983-05-11 | Akebono Brake Ind Co Ltd | Preventing mechanism for brake noise |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0527373U (en) * | 1991-09-24 | 1993-04-09 | オカモト株式会社 | Anticorrosion coating film for automobile leaf springs |
| JPH0527372U (en) * | 1991-09-24 | 1993-04-09 | オカモト株式会社 | Anticorrosion coating film for automobile leaf springs |
| JPH0527374U (en) * | 1991-09-24 | 1993-04-09 | オカモト株式会社 | Anticorrosion coating film for automobile leaf springs |
| JPH0527375U (en) * | 1991-09-24 | 1993-04-09 | オカモト株式会社 | Anticorrosion coating film for automobile leaf springs |
| JPH07502329A (en) * | 1991-12-27 | 1995-03-09 | ルボール マテリアルズ スウェーデン アクチボラグ | Vibration and noise damping insert for automobile brakes and method for producing web for insert production |
| WO2000015975A1 (en) * | 1998-09-11 | 2000-03-23 | Hayes Lemmerz International, Inc. | Rotor with viscoelastic vibration reducing element and method of making the same |
| CN102344098A (en) * | 2010-07-27 | 2012-02-08 | 东芝电梯株式会社 | Brake having noise elimination function |
| US20130240306A1 (en) * | 2012-03-16 | 2013-09-19 | Material Sciences Corporation | Brake shims and methods of forming same |
| DE102014006646A1 (en) * | 2014-05-07 | 2015-11-12 | Wolverine Advanced Materials Gmbh | damping plate |
| EP3715661A1 (en) * | 2019-03-26 | 2020-09-30 | Trelleborg Sealing Solutions Kalmar AB | Improved anti-squeal shim |
| US11306789B2 (en) | 2019-03-26 | 2022-04-19 | Trelleborg Sealing Solutions Kalmar Ab | Anti-squeal shim |
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