JPH07266802A - Acoustic material for wheel - Google Patents
Acoustic material for wheelInfo
- Publication number
- JPH07266802A JPH07266802A JP6129495A JP12949594A JPH07266802A JP H07266802 A JPH07266802 A JP H07266802A JP 6129495 A JP6129495 A JP 6129495A JP 12949594 A JP12949594 A JP 12949594A JP H07266802 A JPH07266802 A JP H07266802A
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- foam
- back plate
- soft shell
- sound absorbing
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/002—Noise damping elements provided in the tyre structure or attached thereto, e.g. in the tyre interior
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、車両のホイールのタイ
ヤ係止用リング溝の底に配設され、ホイールとタイヤの
間の空洞内に発生する共鳴音を吸収するホイール吸音材
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheel sound absorbing material which is disposed at the bottom of a tire engaging ring groove of a vehicle wheel and absorbs resonance sound generated in a cavity between the wheel and the tire.
【０００２】[0002]
【従来技術】従来より、車両のホイールとタイヤの間の
空洞内に発泡体からなる吸音材を配設すると、その空洞
内に発生する共鳴音を低減できることが知られている。
この吸音材は、ホイールのタイヤ係止用リング溝の底に
巻付けたり、タイヤの内表面に装着したり、あるいはホ
イール中に一体的に組み込んだりして配設されている。2. Description of the Related Art It has been conventionally known that when a sound absorbing material made of foam is provided in a cavity between a wheel of a vehicle and a tire, resonance noise generated in the cavity can be reduced.
This sound absorbing material is provided by being wound around the bottom of the tire locking ring groove of the wheel, being mounted on the inner surface of the tire, or being integrally incorporated in the wheel.
【０００３】[0003]
【発明が解決しようとする課題】ところが、上記のよう
な発泡体からなる吸音材は、ホイールの回転時に遠心力
が作用することによって破断が生じやすく、その結果、
部分的に破壊されて飛散するという問題がある。また、
吸音材をホイールのタイヤ係止用リング溝の底に巻付け
て配設した場合には、バール等によりタイヤを取り外す
際にリング溝に差し込まれたバール等によって吸音材が
損傷してしまい、やはり部分的破壊による飛散を招来す
る。However, the sound absorbing material made of foam as described above is apt to break due to centrifugal force when the wheel rotates, and as a result,
There is a problem that it is partially destroyed and scattered. Also,
If the sound absorbing material is wound around the bottom of the wheel locking ring groove of the wheel and disposed, the sound absorbing material will be damaged by the burr etc. inserted in the ring groove when the tire is removed by the burr etc. It causes scattering due to partial destruction.
【０００４】本発明は上記問題に鑑み案出されたもので
あり、発泡体の部分的破壊による飛散を防止し得るよう
にしたホイール吸音材を提供することを解決すべき課題
とするものである。The present invention has been made in view of the above problems, and an object of the present invention is to provide a wheel sound absorbing material capable of preventing the foam from scattering due to partial destruction thereof. .
【０００５】[0005]
【課題を解決するための手段】上記課題を解決する本発
明は、車両のホイールのタイヤ係止用リング溝の底に配
設され、前記ホイールとタイヤの間の空洞内に発生する
共鳴音を吸収するホイール吸音材であって、剛性材から
なる帯状の背面板と、該背面板を包囲する筒状の軟質シ
ェルと、該軟質シェルと前記背面板との間に内包され内
部発泡により形成された発泡体と、から構成されている
ことを特徴とするものである。DISCLOSURE OF THE INVENTION The present invention for solving the above-mentioned problems provides a resonance sound generated in a cavity between a wheel and a tire, which is disposed at the bottom of a tire locking ring groove of a vehicle wheel. Absorbing wheel sound absorbing material, which is a band-shaped back plate made of a rigid material, a cylindrical soft shell surrounding the back plate, and a foam formed by internal foaming enclosed between the soft shell and the back plate. And a foam.
【０００６】本発明における背面板は、ホイール吸音材
の基板となるものであって、例えばステンレス等の金属
板、プラスチック板、合成繊維や金属繊維で帯板状に形
成したもの等の剛性を有するもので構成することができ
る。この背面板には、ホイール吸音材をタイヤ係止用リ
ング溝に巻き付けて着脱自在に装着できるようにその両
端を固定する係止部を設けることができる。The back plate in the present invention serves as a substrate for the wheel sound absorbing material, and has rigidity such as a metal plate of stainless steel or the like, a plastic plate, or a belt-shaped member made of synthetic fibers or metal fibers. It can consist of things. The rear plate may be provided with locking portions for fixing both ends of the wheel sound absorbing material around the tire locking ring groove so that the wheel sound absorbing material can be detachably mounted.
【０００７】軟質シェルは、発泡体を背面板とともに包
囲するように筒状に形成され、内包された発泡体の飛散
を防止するものである。この軟質シェルは、これに内包
される発泡体の吸音作用への影響を考慮して、例えば織
布や不織布からなる繊維集積体等の多孔質体で構成する
ことができる。好ましくはポリエステル繊維、ナイロン
繊維等からなる帆布で円筒状に形成したものである。The soft shell is formed in a tubular shape so as to surround the foam together with the back plate, and prevents the encapsulated foam from scattering. The soft shell can be formed of a porous body such as a fiber aggregate made of a woven fabric or a non-woven fabric in consideration of the influence of the foam contained therein on the sound absorbing action. Preferably, it is formed into a cylindrical shape with a canvas made of polyester fiber, nylon fiber or the like.
【０００８】発泡体は、ホイールとタイヤの間の空洞内
に発生する共鳴音を吸音する主体となるものであって、
軟質シェルと背面板との間に内包される。この発泡体
は、未発泡の発泡材料を軟質シェルと背面板との間で内
部発泡させることにより形成され、発泡膨張時に軟質シ
ェル及び背面板と強固に固着される。発泡体を形成する
発泡材料としては、例えば発泡ゴムや発泡樹脂等を用い
ることができる。発泡体の密度は０．０５〜０．３ｇ／
ｃｍ3 が好ましく、その最適密度は０．１ｇ／ｃｍ3 程
度である。また、発泡体の発泡倍率は３〜１３倍とする
のが好ましく、最適には１０倍程度である。The foam body is a main body that absorbs the resonance sound generated in the cavity between the wheel and the tire.
Enclosed between the soft shell and the back plate. This foam is formed by internally foaming an unfoamed foam material between the soft shell and the back plate, and is firmly fixed to the soft shell and the back plate during foam expansion. As the foam material forming the foam, for example, foam rubber or foam resin can be used. The density of the foam is 0.05-0.3g /
cm 3 is preferable, and the optimum density is about 0.1 g / cm 3 . The expansion ratio of the foam is preferably 3 to 13 times, and optimally about 10 times.
【０００９】[0009]
【作用】本発明のホイール吸音材では、例え発泡体にホ
イールの回転時の遠心力による破断やタイヤ取外し時の
バール等による損傷が発生しても、発泡体は軟質シェル
に内包されているため軟質シェルの外側へ飛散しない。
また、発泡体は、軟質シェルと背面板との間で内部発泡
して膨張するときにその外周表面が軟質シェル及び背面
板と強固に固着する。これにより、上記の破断や損傷の
発生が抑制される。In the wheel sound absorbing material of the present invention, the foam is contained in the soft shell even if the foam is broken by centrifugal force when the wheel is rotated or damaged by a burl when the tire is removed. Does not scatter to the outside of the soft shell.
Further, when the foam expands due to internal foaming between the soft shell and the back plate, the outer peripheral surface firmly adheres to the soft shell and the back plate. As a result, the occurrence of breakage and damage described above is suppressed.
【００１０】[0010]
【実施例】以下、本発明の実施例を図面に基づき説明す
る。図１は本実施例に係るホイール吸音材の長手方向に
沿って切断した断面図であり、図２は図１のII−II線に
沿って切断した拡大断面図である。本実施例のホイール
吸音材１は、両端に係止部１１ａ、１１ａをもつ帯状の
背面板１１と、背面板１１を包囲する筒状の軟質シェル
１２と、軟質シェル１２と背面板１１との間に内包され
内部発泡により形成された発泡体１３とから構成されて
いる。Embodiments of the present invention will be described below with reference to the drawings. 1 is a sectional view taken along the longitudinal direction of the wheel sound absorbing material according to the present embodiment, and FIG. 2 is an enlarged sectional view taken along line II-II of FIG. The wheel sound absorbing material 1 of the present embodiment includes a belt-shaped back plate 11 having locking portions 11a and 11a at both ends, a cylindrical soft shell 12 surrounding the back plate 11, a soft shell 12 and the back plate 11. It is composed of a foam body 13 which is enclosed between and formed by internal foaming.
【００１１】背面板１１は、厚さ約１ｍｍのステンレス
板により、ホイール吸音材の配設箇所に合わせて所定の
幅寸法及び長さ寸法に形成されている。この背面板１１
の両端には、一方の面側へ略直角に屈曲して形成した係
止部１１ａ、１１ａが設けられており、各係止部１１
ａ、１１ａには両者を連結固定するためのねじ穴（図示
せず）が形成されている。The back plate 11 is made of a stainless plate having a thickness of about 1 mm, and has a predetermined width and length according to the location where the wheel sound absorbing material is arranged. This back plate 11
Locking portions 11a, 11a formed by bending at substantially right angles to one surface side are provided at both ends of each locking portion 11.
A and 11a are formed with screw holes (not shown) for connecting and fixing them.
【００１２】軟質シェル１２は、ポリエステル繊維から
なる帆布で円筒状に形成されている。この軟質シェル１
２は、背面板１の中央部とこれとともに内包された発泡
体１３とを包囲している。発泡体１３は、軟質シェル１
２と背面板１１との間で発泡ゴム材料を加硫及び発泡さ
せることにより形成されている。この発泡体１３は、内
部発泡して膨張する際にその外周表面が軟質シェル１２
及び背面板１１と強固に固着し、わずかな内圧が付与さ
れた状態に形成されている。The soft shell 12 is made of canvas made of polyester fiber and is formed into a cylindrical shape. This soft shell 1
Reference numeral 2 surrounds the central portion of the back plate 1 and the foam 13 included therein. The foam 13 is a soft shell 1
It is formed by vulcanizing and foaming a foam rubber material between 2 and the back plate 11. The foam 13 has a soft shell 12 on the outer peripheral surface when it expands internally and expands.
Also, it is firmly fixed to the back plate 11 and is formed in a state where a slight internal pressure is applied.
【００１３】以上のように構成された本実施例のホイー
ル吸音材１は、次のようにして製造されている。先ず、
ステンレス板により両端に係止部１１ａ、１１ａを有す
る所定の背面板１１を用意する。次に、発泡体１３の材
料として、ＥＰＤＭ（エチレンプロピレンゴム）、カー
ボンブラック等の補強剤、ステアリン酸等の滑剤、亜鉛
華等の活性剤、アゾジカルボンアミド等の発泡剤、尿素
系の発泡助剤、硫黄等の加硫剤、加硫促進剤等を配合し
た発泡ゴム材料を準備する。The wheel sound absorbing material 1 of the present embodiment constructed as described above is manufactured as follows. First,
A predetermined back plate 11 having locking portions 11a, 11a at both ends made of a stainless plate is prepared. Next, as the material of the foamed body 13, EPDM (ethylene propylene rubber), a reinforcing agent such as carbon black, a lubricant such as stearic acid, an activator such as zinc white, a foaming agent such as azodicarbonamide, and a urea-based foaming aid. Prepare a foamed rubber material containing a vulcanizing agent, a vulcanizing agent such as sulfur, a vulcanization accelerator, and the like.
【００１４】そして、この発泡ゴム材料を押出機に投入
し、押出成形を行うことにより未加硫の発泡ゴム材料を
テープ状に押し出し、背面板１１の係止部１１ａ、１１
ａが形成されている側の面上にセットする。次に、その
テープ状の未加硫発泡ゴム材料と背面板１１とが包囲さ
れるように筒状の軟質シェル１２内に挿入し、これをオ
ーブン中にて１６０℃で２０分間加熱して未加硫発泡ゴ
ム材料の加硫及び発泡処理を行う。これにより、未加硫
発泡ゴム材料が加硫及び発泡して軟質シェル１２及び背
面板１１に強固に固着した発泡体１３が形成され、本実
施例のホイール吸音材１が完成する。なお、この発泡処
理は自由発泡であり、形成される発泡体１３の密度は約
０．１ｇ／ｃｍ3 で、その発泡倍率は約１０倍である。Then, the foamed rubber material is put into an extruder and extruded to extrude the unvulcanized foamed rubber material into a tape shape, and the locking portions 11a, 11 of the rear plate 11 are extruded.
Set on the surface on which a is formed. Next, the tape-shaped unvulcanized foamed rubber material and the back plate 11 are inserted into the cylindrical soft shell 12 so as to be surrounded, and this is heated in an oven at 160 ° C. for 20 minutes, and is not yet heated. The vulcanized foamed rubber material is vulcanized and foamed. As a result, the unvulcanized foamed rubber material is vulcanized and foamed to form the foam 13 firmly fixed to the soft shell 12 and the back plate 11, and the wheel sound absorbing material 1 of this embodiment is completed. This foaming treatment is free foaming, and the density of the foam 13 formed is about 0.1 g / cm 3 , and the expansion ratio is about 10 times.
【００１５】以上のように製造された本実施例のホイー
ル吸音材１は、図３〜図５に示すように、車両のホイー
ル２のタイヤ係止用リング溝２１に配設されて使用に供
される。この場合、背面板１１が内周側となるようにし
てホイール吸音材１をタイヤ係止用リング溝２１に沿っ
て巻回し、背面板１１の両端に形成された係止部１１
ａ、１１ａどうしを重合させて連結ねじ４で連結固定す
ることにより簡単に取付けられている。The wheel sound absorbing material 1 of the present embodiment manufactured as described above is arranged in the tire locking ring groove 21 of the wheel 2 of the vehicle for use as shown in FIGS. To be done. In this case, the wheel sound absorbing material 1 is wound along the tire locking ring groove 21 so that the rear plate 11 is on the inner peripheral side, and the locking portions 11 formed at both ends of the rear plate 11 are wound.
It is easily attached by superimposing a and 11a and connecting and fixing with a connecting screw 4.
【００１６】このようにして配設されたホイール吸音材
１は、車両の走行に伴ってホイール２とタイヤ３の間の
空洞内に発生する共鳴音を主として発泡体１３が効果的
に吸音して共鳴音を低減する。そして、本実施例のホイ
ール吸音材１は、ホイール２の回転により遠心力が発生
しても、発泡体１３の外周面が軟質シェル１２及び背面
板１１と強固に固着しているので発泡体１３に破断等の
部分破壊の発生が極めて少ない。また、例え部分破壊が
発生しても、発泡体１３が軟質シェル１２に包囲されて
いるので軟質シェル１２の外側へ飛散しない。In the wheel sound absorbing material 1 thus arranged, the foam 13 mainly effectively absorbs the resonance sound generated in the cavity between the wheel 2 and the tire 3 as the vehicle travels. Resonance sound is reduced. Further, in the wheel sound absorbing material 1 of the present embodiment, even if a centrifugal force is generated by the rotation of the wheel 2, the outer peripheral surface of the foam 13 is firmly fixed to the soft shell 12 and the back plate 11, so that the foam 13 is formed. Very few partial fractures such as breakage. Further, even if partial breakage occurs, since the foam 13 is surrounded by the soft shell 12, it does not scatter to the outside of the soft shell 12.
【００１７】また、ホイール２に装着されたタイヤ３を
取り外す際に、タイヤ係止用リング溝２１に差し込まれ
たバール等がホイール吸音材１に当接しても、軟質シェ
ル１２に強固に固着しかつ包囲された発泡体１３には損
傷が発生しにくく、例え損傷等の部分破壊が発生しても
軟質シェル１２の外側へ飛散しない。以上のように、本
実施例のホイール吸音材１は、発泡体１３が軟質シェル
１２に内包されているため、例え発泡体１３に破断や損
傷が発生しても、発泡体１３の部分的破壊による飛散を
防止することができる。Further, when the tire 3 mounted on the wheel 2 is removed, even if a burr or the like inserted in the tire locking ring groove 21 comes into contact with the wheel sound absorbing material 1, it is firmly fixed to the soft shell 12. Moreover, the enclosed foam 13 is unlikely to be damaged, and does not scatter to the outside of the soft shell 12 even if partial damage such as damage occurs. As described above, in the wheel sound absorbing material 1 of the present embodiment, since the foam 13 is enclosed in the soft shell 12, even if the foam 13 is broken or damaged, the foam 13 is partially destroyed. It is possible to prevent scattering due to.
【００１８】また、発泡体１３は軟質シェル１２と背面
板１１との間で内部発泡により形成されているため、そ
の外周表面が軟質シェル１２及び背面板１１と強固に固
着した状態に設けることができ、発泡体１３に上記の破
断や損傷が発生するのを抑制することができる。さらに
は、軟質シェル１２及び背面板１１と発泡体１３との接
着処理を必要としないので、ホイール吸音材１を極めて
簡単に製造することができる。Further, since the foam 13 is formed by internal foaming between the soft shell 12 and the back plate 11, the outer peripheral surface of the foam 13 should be firmly fixed to the soft shell 12 and the back plate 11. It is possible to prevent the foam 13 from being broken or damaged. Furthermore, since the bonding process between the soft shell 12 and the back plate 11 and the foam 13 is not required, the wheel sound absorbing material 1 can be manufactured extremely easily.
【００１９】なお、本実施例のホイール吸音材１は、装
着されるときに背面板１が内周側に位置するように構成
されているが、図６に示すホイール吸音材５のように、
背面板５１が外周側に位置する状態でタイヤ係止用リン
グ溝２１に配設するように構成することもできる。この
場合には、背面板５１の係止部（図示せず）を逆方向に
屈曲して形成し、その他軟質シェル５２及び発泡体５３
は上記実施例と同様に構成すればよい。また、この場合
には、発泡体５３の空間接触面積を大きくするため、図
７に示すように、背面板５１に多数の貫通孔５１ａを形
成するとよい。The wheel sound absorbing material 1 of this embodiment is constructed such that the back plate 1 is located on the inner peripheral side when mounted, but like the wheel sound absorbing material 5 shown in FIG.
The rear plate 51 may be arranged in the tire locking ring groove 21 while being located on the outer peripheral side. In this case, the locking portion (not shown) of the back plate 51 is formed by bending in the opposite direction, and the other soft shell 52 and the foam 53 are formed.
May be configured in the same manner as in the above embodiment. Further, in this case, in order to increase the space contact area of the foam body 53, it is preferable to form a large number of through holes 51a in the back plate 51 as shown in FIG.
【００２０】[0020]
【発明の効果】本発明のホイール吸音材によれば、発泡
体が軟質シェルに内包されているため、例え発泡体にホ
イールの回転時の遠心力による破断やタイヤ取外し時の
バール等による損傷が発生しても、発泡体の部分的破壊
による飛散を防止することができる。According to the wheel sound absorbing material of the present invention, since the foam is contained in the soft shell, for example, the foam is not damaged by centrifugal force when the wheel is rotated or damaged by a burl when the tire is removed. Even if it occurs, it is possible to prevent the foam from scattering due to partial destruction.
【００２１】また、発泡体は軟質シェルと背面板との間
で内部発泡により形成されているため、発泡処理時に発
泡体の外周表面が軟質シェル及び背面板と強固に固着し
ていることにより、上記の破断や損傷の発生を抑制する
ことができ、かつその製造も簡単に行うことができる。Further, since the foam is formed by internal foaming between the soft shell and the back plate, the outer peripheral surface of the foam is firmly fixed to the soft shell and the back plate during the foaming treatment, It is possible to suppress the occurrence of the above-mentioned breakage and damage, and to easily manufacture the same.
【図１】本発明の実施例に係るホイール吸音材の長手方
向に沿って切断した断面図である。FIG. 1 is a cross-sectional view taken along a longitudinal direction of a wheel sound absorbing material according to an embodiment of the present invention.
【図２】図１のII−II線に沿って切断した拡大断面図で
ある。FIG. 2 is an enlarged sectional view taken along line II-II in FIG.
【図３】本発明の実施例のホイール吸音材をホイールの
タイヤ係止用リング溝に装着した状態を示す断面図であ
る。FIG. 3 is a cross-sectional view showing a state in which the wheel sound absorbing material of the embodiment of the present invention is mounted in the tire locking ring groove of the wheel.
【図４】本発明の実施例のホイール吸音材をホイールの
タイヤ係止用リング溝に装着した状態を一部断面で示す
斜視図である。FIG. 4 is a perspective view showing, in a partial cross section, a state in which the wheel sound absorbing material of the embodiment of the present invention is mounted in the tire locking ring groove of the wheel.
【図５】本発明の実施例のホイール吸音材をホイールの
タイヤ係止用リング溝に装着した状態を示す図４のＶ−
Ｖ線に沿う断面図である。FIG. 5 is a V- of FIG. 4 showing a state in which the wheel sound absorbing material of the embodiment of the present invention is mounted in the tire engaging ring groove of the wheel.
It is sectional drawing which follows the V line.
【図６】本発明の他の実施例に係るホイール吸音材をホ
イールのタイヤ係止用リング溝に装着した状態を示す断
面図である。FIG. 6 is a cross-sectional view showing a state where a wheel sound absorbing material according to another embodiment of the present invention is mounted in a tire locking ring groove of a wheel.
【図７】本発明の他の実施例に係る背面板の平面図であ
る。FIG. 7 is a plan view of a back plate according to another embodiment of the present invention.
１、５…ホイール吸音材 １１、５１…背面板 １
１ａ…係止部 １２…軟質シェル １３…発泡体 ２…ホイール ２１…タイヤ係止用リング溝 ３…タイヤ ４…連
結ねじ1, 5 ... Wheel sound absorbing material 11, 51 ... Back plate 1
1a ... Locking part 12 ... Soft shell 13 ... Foam 2 ... Wheel 21 ... Tire locking ring groove 3 ... Tire 4 ... Connecting screw
Claims (3)
の底に配設され、前記ホイールとタイヤの間の空洞内に
発生する共鳴音を吸収するホイール吸音材であって、 剛性材からなる帯状の背面板と、 該背面板を包囲する筒状の軟質シェルと、 該軟質シェルと前記背面板との間に内包され内部発泡に
より形成された発泡体と、から構成されていることを特
徴とするホイール吸音材。1. A wheel sound absorbing material, which is arranged at the bottom of a tire locking ring groove of a vehicle wheel and absorbs a resonance sound generated in a cavity between the wheel and the tire, and is made of a rigid material. A strip-shaped back plate, a tubular soft shell surrounding the back plate, and a foam body enclosed by the soft shell and the back plate and formed by internal foaming. Wheel sound absorbing material.
項１記載のホイール吸音材。2. The wheel sound absorbing material according to claim 1, wherein the soft shell is made of a porous material.
る請求項１記載のホイール吸音材。3. The wheel sound absorbing material according to claim 1, wherein a foaming ratio of the foam is 3 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12949594A JP3450433B2 (en) | 1994-03-31 | 1994-03-31 | Wheel sound absorbing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12949594A JP3450433B2 (en) | 1994-03-31 | 1994-03-31 | Wheel sound absorbing material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07266802A true JPH07266802A (en) | 1995-10-17 |
| JP3450433B2 JP3450433B2 (en) | 2003-09-22 |
Family
ID=15010898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12949594A Expired - Fee Related JP3450433B2 (en) | 1994-03-31 | 1994-03-31 | Wheel sound absorbing material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3450433B2 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19819128A1 (en) * | 1998-04-29 | 2000-01-13 | Continental Ag | Method for fixing a ring of sound absorbing material on a rim and motor vehicle wheel with a ring made of sound absorbing material applied to a rim |
| WO2002020286A1 (en) * | 2000-09-05 | 2002-03-14 | Hp-Chemie Pelzer Research And Development Ltd. | Vehicle wheel, particularly for a passenger car |
| EP1253025A2 (en) * | 2001-04-16 | 2002-10-30 | Sumitomo Rubber Industries Ltd. | Tire noise reducing system |
| WO2005068223A1 (en) * | 2004-01-20 | 2005-07-28 | The Yokohama Rubber Co., Ltd. | Tire wheel assembly |
| EP1951531A1 (en) * | 2005-10-31 | 2008-08-06 | I.N.C. Corporation Pty. Ltd. | In tyre sound absorber |
| JP2016210250A (en) * | 2015-05-01 | 2016-12-15 | 株式会社ブリヂストン | tire |
| US10113322B2 (en) | 2014-12-08 | 2018-10-30 | Zephyros, Inc. | Vertically lapped fibrous flooring |
| KR20200056037A (en) * | 2018-11-14 | 2020-05-22 | 현대자동차주식회사 | Strap center fixed type resonator and wheel assembly comprising the same |
| US10755686B2 (en) | 2015-01-20 | 2020-08-25 | Zephyros, Inc. | Aluminized faced nonwoven materials |
| WO2022149114A1 (en) * | 2021-01-11 | 2022-07-14 | 3M Innovative Properties Company | Discrete sound absorbers for tire cavity noise reduction |
| US11541626B2 (en) | 2015-05-20 | 2023-01-03 | Zephyros, Inc. | Multi-impedance composite |
| WO2023112434A1 (en) * | 2021-12-13 | 2023-06-22 | 株式会社ブリヂストン | Sound-absorbing tool and assembly |
-
1994
- 1994-03-31 JP JP12949594A patent/JP3450433B2/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19819128C2 (en) * | 1998-04-29 | 2000-06-21 | Continental Ag | Motor vehicle wheel with a ring made of sound-absorbing material applied to a rim |
| DE19819128A1 (en) * | 1998-04-29 | 2000-01-13 | Continental Ag | Method for fixing a ring of sound absorbing material on a rim and motor vehicle wheel with a ring made of sound absorbing material applied to a rim |
| WO2002020286A1 (en) * | 2000-09-05 | 2002-03-14 | Hp-Chemie Pelzer Research And Development Ltd. | Vehicle wheel, particularly for a passenger car |
| EP1253025A2 (en) * | 2001-04-16 | 2002-10-30 | Sumitomo Rubber Industries Ltd. | Tire noise reducing system |
| EP1253025A3 (en) * | 2001-04-16 | 2003-06-04 | Sumitomo Rubber Industries Ltd. | Tire noise reducing system |
| US6726289B2 (en) | 2001-04-16 | 2004-04-27 | Sumitomo Rubber Industries, Ltd. | Tire noise reducing system |
| US7694706B2 (en) | 2004-01-20 | 2010-04-13 | The Yokohama Rubber Co., Ltd. | Tire wheel assembly |
| WO2005068223A1 (en) * | 2004-01-20 | 2005-07-28 | The Yokohama Rubber Co., Ltd. | Tire wheel assembly |
| US9278586B2 (en) | 2005-10-31 | 2016-03-08 | Zephyros, Inc. | In tire sound absorber |
| EP1951531A4 (en) * | 2005-10-31 | 2010-06-09 | Inc Corp Pty Ltd | In tyre sound absorber |
| EP1951531A1 (en) * | 2005-10-31 | 2008-08-06 | I.N.C. Corporation Pty. Ltd. | In tyre sound absorber |
| US9868319B2 (en) | 2005-10-31 | 2018-01-16 | Zephyros, Inc. | In tire sound absorber |
| US10113322B2 (en) | 2014-12-08 | 2018-10-30 | Zephyros, Inc. | Vertically lapped fibrous flooring |
| US11542714B2 (en) | 2014-12-08 | 2023-01-03 | Zephyros, Inc. | Vertically lapped fibrous flooring |
| US10755686B2 (en) | 2015-01-20 | 2020-08-25 | Zephyros, Inc. | Aluminized faced nonwoven materials |
| JP2016210250A (en) * | 2015-05-01 | 2016-12-15 | 株式会社ブリヂストン | tire |
| US11541626B2 (en) | 2015-05-20 | 2023-01-03 | Zephyros, Inc. | Multi-impedance composite |
| KR20200056037A (en) * | 2018-11-14 | 2020-05-22 | 현대자동차주식회사 | Strap center fixed type resonator and wheel assembly comprising the same |
| WO2022149114A1 (en) * | 2021-01-11 | 2022-07-14 | 3M Innovative Properties Company | Discrete sound absorbers for tire cavity noise reduction |
| WO2023112434A1 (en) * | 2021-12-13 | 2023-06-22 | 株式会社ブリヂストン | Sound-absorbing tool and assembly |
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| Publication number | Publication date |
|---|---|
| JP3450433B2 (en) | 2003-09-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |