WO2017073391A1 - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- WO2017073391A1 WO2017073391A1 PCT/JP2016/080689 JP2016080689W WO2017073391A1 WO 2017073391 A1 WO2017073391 A1 WO 2017073391A1 JP 2016080689 W JP2016080689 W JP 2016080689W WO 2017073391 A1 WO2017073391 A1 WO 2017073391A1
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- WO
- WIPO (PCT)
- Prior art keywords
- absorbing material
- sound absorbing
- band
- shaped sound
- tire
- 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.)
- Ceased
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Classifications
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- 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
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- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1272—Width of the sipe
- B60C11/1281—Width of the sipe different within the same sipe, i.e. enlarged width portion at sipe bottom or along its length
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- 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
- B60C5/00—Inflatable pneumatic tyres or inner tubes
Definitions
- the present invention relates to a pneumatic tire. More specifically, by cutting a band-shaped sound absorbing material bonded to the inner surface of the tire, the stress generated in the band-shaped sound absorbing material at the time of grounding is alleviated, and the durability of the band-shaped sound absorbing material is improved.
- the present invention relates to a pneumatic tire that promotes heat radiation from the band-shaped sound absorbing material and improves high-speed durability.
- One of the causes of tire noise is cavity resonance due to vibration of air filled in the tire cavity.
- This cavity resonance sound is generated when the tread portion of the tire that comes in contact with the road surface when the vehicle travels vibrates due to the unevenness of the road surface, and this vibration vibrates the air in the tire cavity portion.
- the object of the present invention is to reduce the stress generated in the band-shaped sound absorbing material at the time of ground contact by cutting the band-shaped sound absorbing material bonded to the tire inner surface, to improve the durability of the band-shaped sound absorbing material, and from the band-shaped sound absorbing material.
- An object of the present invention is to provide a pneumatic tire capable of promoting heat dissipation and improving high-speed durability.
- a pneumatic tire according to the present invention includes a tread portion that extends in the tire circumferential direction to form an annular shape, a pair of sidewall portions disposed on both sides of the tread portion, and the sidewall portions.
- a pneumatic tire in which a belt-like sound absorbing material is bonded to the inner surface of the tread portion along the tire circumferential direction, and the mounting direction with respect to the vehicle is specified.
- the band-shaped sound absorbing material is formed with a plurality of cuts so that the angles ⁇ 1 and ⁇ 2 with respect to the tire width direction intersect with each other in a range of 0 ° ⁇ ⁇ 1 ⁇ 90 ° and 0 ° ⁇ ⁇ 2 ⁇ 90 °, and the cuts Is locally disposed in a region adjacent to the end of the belt-like sound absorbing material on the vehicle inner side, and the width Wc of the cut-out placement region is 10% to 80% with respect to the width Ws of the belt-like sound absorbing material. %.
- a plurality of cuts are formed in the belt-shaped sound absorbing material, and the angles ⁇ 1 and ⁇ 2 of the cuts with respect to the tire width direction intersect with each other in the range of 0 ° ⁇ ⁇ 1 ⁇ 90 ° and 0 ° ⁇ ⁇ 2 ⁇ 90 °. Therefore, when the tire is bent at the time of ground contact, the band-shaped sound absorbing material cuts open, follows the deformation of the tire, relieves stress generated in the band-shaped sound absorbing material, and can suppress the breakage of the band-shaped sound absorbing material. Become. Thereby, durability of a strip
- the heat dissipation area of the band-shaped sound absorbing material is increased by opening the band-shaped sound absorbing material at the time of ground contact, it is possible to promote heat dissipation from the band-shaped sound absorbing material and improve the high-speed durability of the pneumatic tire. .
- the tire when a vehicle turns at a high speed, the tire is in a high load and high deflection state, and the belt-like sound absorbing material may be greatly deformed, and the belt-like sound absorbing material may rub against the rim or the tire inner wall.
- the material being subdivided by a plurality of cuts is a factor that deteriorates the durability of the band-shaped sound absorbing material.
- the end of the belt-shaped sound absorbing material on the vehicle outer side is likely to break.
- the cuts are locally disposed in the region adjacent to the end of the belt-shaped sound absorbing material on the vehicle inner side, and the cuts are not disposed at the end of the belt-shaped sound absorbing material on the vehicle outer side, thereby preventing the band-shaped sound absorbing material from being broken. be able to.
- the stress relief effect can be obtained by arranging the cuts in the region adjacent to the inner side of the belt-shaped sound absorbing material as described above.
- the notch interval t is preferably 5% to 90%, more preferably 15% to 30% with respect to the width Ws of the band-shaped sound absorbing material.
- the depth d of the cut is preferably 20% to 80%, more preferably 30% to 60% with respect to the thickness D of the band-shaped sound absorbing material.
- chamfering is performed on at least an end portion located on the vehicle outer side among the end portions in the width direction of the band-shaped sound absorbing material. Thereby, it becomes possible to further improve the durability of the band-shaped sound absorbing material.
- the band-shaped sound absorbing material is disposed so that the center in the width direction is on the vehicle inner side than the tire equator.
- the volume of the band-shaped sound absorbing material is preferably 10% to 30% with respect to the lumen volume of the tire. Thereby, it is possible to further obtain the sound absorbing effect by the band-shaped sound absorbing material. Thus, the noise reduction effect which was excellent by enlarging the volume of a strip
- belt-shaped sound-absorbing material can be acquired, and even if it is a large strip-shaped sound-absorbing material, a favorable stress relaxation effect and a heat dissipation effect can be exhibited.
- the volume of the cavity is the volume of the cavity formed between the tire and the rim in a state where the tire is assembled on the regular rim and filled with the regular internal pressure.
- the “regular rim” is a rim determined for each tire in the standard system including the standard on which the tire is based, for example, a standard rim for JATMA, “Design Rim” for TRA, or ETRTO. Then, “Measuring Rim” is set. However, when the tire is a tire mounted on a new vehicle, the volume of the cavity is determined using a genuine wheel in which the tire is assembled.
- “Regular internal pressure” is the air pressure that each standard defines for each tire in the standard system including the standard on which the tire is based. The maximum air pressure is JATMA, and the table is “TIRE ROAD LIMITS AT VARIOUS” for TRA. The maximum value described in “COLD INFLATION PRESURES”, “INFLATION PRESURE” if it is ETRTO, but if the tire is a new car fitted tire, the air pressure displayed on the vehicle is used.
- the band-shaped sound absorbing material has a missing portion at least at one place in the tire circumferential direction. As a result, it is possible to withstand for a long time the expansion due to the inflation of the tire and the shearing strain of the bonding surface caused by the rolling contact with the ground.
- FIG. 1 is a perspective sectional view showing a pneumatic tire according to an embodiment of the present invention.
- FIG. 2 is an equatorial sectional view showing a pneumatic tire according to an embodiment of the present invention.
- FIG. 3 is a development view showing a part of the band-shaped sound absorbing material bonded to the inner surface of the pneumatic tire of the present invention.
- 4 is a cross-sectional view of the sound absorbing material of FIG. 3 in the tire circumferential direction.
- FIG. 5 is a perspective sectional view showing a modified example of the pneumatic tire according to the present invention.
- FIG. 1 and FIG. 2 show a pneumatic tire according to an embodiment of the present invention.
- IN is the inside of the vehicle when the vehicle is mounted
- OUT is the outside of the vehicle when the vehicle is mounted.
- the pneumatic tire of the present embodiment includes a tread portion 1 that extends in the tire circumferential direction and has an annular shape, a pair of sidewall portions 2 that are disposed on both sides of the tread portion 1, and these sidewall portions. 2 and a pair of bead portions 3 disposed on the inner side in the tire radial direction.
- a band-shaped sound absorbing material 6 is bonded to an area corresponding to the tread portion 1 of the tire inner surface 4 via an adhesive layer 5 along the tire circumferential direction.
- the band-shaped sound absorbing material 6 is made of a porous material having open cells, and has predetermined sound absorbing characteristics based on the porous structure.
- the porous material of the band-shaped sound absorbing material 6 it is preferable to use polyurethane foam.
- the adhesive layer 5 is preferably a double-sided adhesive tape.
- the strip-shaped sound absorbing material 6 is formed with a plurality of cuts 7 extending in two directions intersecting each other.
- the angles of the cuts 7 with respect to the tire width direction are an angle ⁇ 1 and an angle ⁇ 2.
- Tc is the tire circumferential direction
- Tw is the tire width direction.
- the cuts 7 are arranged so that the angles ⁇ 1 and ⁇ 2 of the cuts 7 with respect to the tire width direction are in the range of 0 ° ⁇ ⁇ 1 ⁇ 90 ° and 0 ° ⁇ ⁇ 2 ⁇ 90 °.
- the cut 7 is locally arranged in a region adjacent to the end of the belt-like sound absorbing material 6 on the vehicle inner side. That is, in FIG. 3, the region in the band-shaped sound absorbing material 6 from the end of the band-shaped sound absorbing material 6 to the one-dot chain line indicates the arrangement region of the cuts 7.
- the width of the arrangement region of the cuts 7 is defined as a width Wc
- the width of the band-shaped sound absorbing material 6 is defined as a width Ws. At this time, it is satisfied that the width Wc of the arrangement region of the cuts 7 is 10% to 80% with respect to the width Ws of the band-shaped sound absorbing material 6.
- the angles ⁇ 1 and ⁇ 2 of the cut 7 with respect to the tire width direction are preferably in the range of 30 ° to 60 °.
- the width Wc of the arrangement region of the cuts 7 is preferably 30% to 60% with respect to the width Ws of the band-shaped sound absorbing material 6.
- the heat dissipation area of the band-shaped sound absorbing material 6 is increased by opening the cut 7 of the band-shaped sound absorbing material 6 at the time of grounding, heat dissipation from the band-shaped sound absorbing material 6 is promoted, and high-speed durability of the pneumatic tire is improved. Is possible.
- the interval between the notches 7 is defined as an interval t.
- the interval t between the cuts 7 is preferably 5% to 90%, more preferably 15% to 30% with respect to the width Ws of the band-shaped sound absorbing material 6.
- interval t said here is a mutual space
- the intervals between the cuts 7 of the band-shaped sound absorbing material 6 may be randomly arranged. However, since the tensile strain in each direction can be dealt with uniformly, the intervals 7 between the cuts 7 of the band-shaped sound absorbing material 6 are made constant, and the cuts 7 are set. It is more preferable to arrange them at intervals.
- the notch 7 of the band-shaped sound absorbing material 6 is opened at the time of rolling contact with the tire in a highly bent state, follows the deformation of the tire, relaxes the stress generated in the band-shaped sound absorbing material 6, and breaks the band-shaped sound absorbing material 6. Can be suppressed. As a result, it is possible to improve the durability of the band-shaped sound absorbing material 6.
- FIG. 4 is a cross-sectional view of the belt-like sound absorbing material 6 in the tire circumferential direction.
- the depth of the cut 7 is defined as depth d
- the thickness of the band-shaped sound absorbing material 6 is defined as thickness D.
- the depth d of the cuts 7 is preferably 20% to 80%, more preferably 30% to 60%, with respect to the thickness D of the band-shaped sound absorbing material 6.
- the chamfered portion 10 is formed along the tire circumferential direction only at the end portion located outside the vehicle among the end portions in the width direction of the belt-shaped sound absorbing material.
- chamfering is performed on at least an end portion located on the vehicle outer side of the end portion in the width direction of the band-shaped sound absorbing material 6.
- the band-shaped sound absorbing material 6 is arranged so that the center in the width direction is on the vehicle inner side than the tire equator.
- the volume of the band-shaped sound absorbing material 6 is preferably 10% to 30% with respect to the lumen volume of the tire.
- the width Ws of the band-shaped sound absorbing material 6 is more preferably 30% to 90% with respect to the tire ground contact width. Thereby, it becomes possible to further obtain the sound absorption effect by the band-shaped sound absorbing material 6.
- the volume of the band-shaped sound absorbing material 6 is less than 10% with respect to the lumen volume of the tire, the sound absorbing effect cannot be obtained appropriately.
- the volume of the band-shaped sound absorbing material 6 exceeds 30% with respect to the inner cavity volume of the tire, the noise reduction effect due to the cavity resonance phenomenon becomes constant, and a further reduction effect cannot be expected.
- the band-shaped sound absorbing material 6 has a missing portion 9 in at least one place in the tire circumferential direction.
- the missing portion 9 is a portion where the belt-like sound absorbing material 6 does not exist on the tire circumference.
- the missing portions 9 are provided at two locations on the tire circumference, the tire uniformity is significantly deteriorated due to mass imbalance, and if the missing portions 9 are provided at six locations or more on the tire circumference, the manufacturing cost increases. Become prominent.
- the band-like sound absorbing material 6 is interrupted in the tire circumferential direction. Even in such a case, for example, an adhesive layer made of a double-sided adhesive tape If the plurality of band-shaped sound absorbing materials 6 are connected to each other with other laminates such as 5, the band-shaped sound absorbing materials 6 can be handled as an integral member. It can be done easily.
- tire size 275 / 35ZR20 it is arranged in the tire radial direction inside of the tread part which extends in the tire circumferential direction and forms a ring, the pair of sidewall parts arranged on both sides of the tread part, and these sidewall parts.
- the angle of the band-shaped sound absorbing material with respect to the tire width direction A plurality of cuts are formed so that both ⁇ 1 and ⁇ 2 cross each other at 45 °, and these cuts are locally arranged in a region adjacent to the end of the belt-shaped sound absorbing material inside the vehicle. I made a tire.
- a conventional tire was prepared in which no cut was made in the band-shaped sound absorbing material.
- the tire of Comparative Example 1 having the same structure as that of Example 1 except that the cuts are arranged in the entire region of the band-shaped sound absorbing material, and the cuts are locally disposed in a region adjacent to the end of the band-shaped sound absorbing material on the vehicle outer side.
- tires of Comparative Example 2 having the same structure as Example 1 were prepared.
- tires of Comparative Example 3 and Comparative Example 4 having the same structure as Example 1 were prepared except that the arrangement area of the cuts was set as shown in Table 1-1.
- Block wear due to rubbing between strips of sound absorbing material Each test tire was assembled on a wheel having a rim size of 20 ⁇ 9 1 / 2J, and a running test was performed with a drum tester under the conditions of an air pressure of 360 kPa, a load of 5 kN, and a camber angle of ⁇ 4 °. Specifically, the initial speed is 250 km / h, the speed is increased by 10 km / h every 20 minutes, and after running until reaching 310 km / h, the wear of the block due to rubbing between the band-like sound absorbing materials is visually observed. confirmed. The results are shown in Table 1-1 and Table 1-2.
- the pneumatic tires of Examples 1 to 16 are all in high speed durability with a camber angle and durability of various belt-like sound absorbing materials in comparison with the conventional examples.
- the block tearing due to rubbing between the band-shaped sound absorbing materials and the wear of the block due to rubbing between the band-shaped sound absorbing materials were simultaneously improved.
- Comparative Examples 1 to 4 the band-like sound absorbing material was not appropriately cut, so the improvement effect was less than in Examples 1 to 16.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
各試験タイヤをそれぞれリムサイズ20×9 1/2Jのホイールに組み付け、空気圧360kPa、荷重5kN、キャンバー角-4°の条件でドラム試験機にて走行試験を実施した。具体的には、初期速度250km/hとし、20分毎に10km/hずつ速度を増加させ、タイヤに故障が発生するまで走行させ、その到達ステップ(速度)を測定した。その結果を表1-1及び表1-2に示す。
各試験タイヤをそれぞれリムサイズ20×9 1/2Jのホイールに組み付け、走行速度80km/h、空気圧160kPa、荷重8.5kN、走行距離3,000kmの条件でドラム試験機にて走行試験を実施した後、帯状吸音材の接着面の剥がれ又は帯状吸音材の破断の有無を目視により確認した。その結果を表1-1及び表1-2に示す。上記の項目において、脱落、破断が無い場合を「◎」で示し、接着面の剥がれ又は帯状吸音材の破断が一部あるが問題ない場合を「○」で示し、接着面の剥がれ又は帯状吸音材の破断が帯状吸音材全体の1/4以下の場合を「△」で示し、接着面の剥がれ又は帯状吸音材の破断が帯状吸音材全体の1/4以上の場合を「×」で示した。
各試験タイヤをそれぞれリムサイズ20×9 1/2Jのホイールに組み付け、走行速度80km/h、空気圧160kPa、荷重5kN、走行距離3,000kmの条件でドラム試験機にて走行試験を実施した後、帯状吸音材の接着面の剥がれ又は帯状吸音材の破断の有無を目視により確認した。その結果を表1-1及び表1-2に示す。上記の項目において、脱落、破断が無い場合を「◎」で示し、接着面の剥がれ又は帯状吸音材の破断が一部あるが問題ない場合を「○」で示し、接着面の剥がれ又は帯状吸音材の破断が帯状吸音材全体の1/4以下の場合を「△」で示し、接着面の剥がれ又は帯状吸音材の破断が帯状吸音材全体の1/4以上の場合を「×」で示した。
各試験タイヤをそれぞれリムサイズ20×9 1/2Jのホイールに組み付け、空気圧180kPaを充填して、排気量3.5Lの欧州車に装着し、平坦なアスファルト路面上を時速60km/hにて直進走行で進入させた後、旋回半径20mとして旋回させる停車試験を10ターン実施した後、帯状吸音材の接着面の剥がれ又は帯状吸音材の破断の有無を目視により確認した。その結果を表1-1及び表1-2に示す。上記の項目において、脱落、破断が無い場合を「◎」で示し、接着面の剥がれ又は帯状吸音材の破断が一部あるが問題ない場合を「○」で示し、接着面の剥がれ又は帯状吸音材の破断が帯状吸音材全体の1/4以下の場合を「△」で示し、接着面の剥がれ又は帯状吸音材の破断が帯状吸音材全体の1/4以上の場合を「×」で示した。
各試験タイヤをそれぞれリムサイズ20×9 1/2Jのホイールに組み付け、空気圧360kPa、荷重5kN、キャンバー角-4°のの条件でドラム試験機にて走行試験を実施した。具体的には、初期速度250km/hとし、20分毎に10km/hずつ速度を増加させ、時速310km/hに達するまで走行させた後、帯状吸音材同士の擦れによるブロックのちぎれを目視により確認した。その結果を表1-1及び表1-2に示す。上記の項目において、帯状吸音材同士の擦れによるブロックのちぎれが無い場合を「◎」で示し、帯状吸音材のブロックのちぎれが一部あるが問題ない場合を「○」で示し、帯状吸音材のブロックのちぎれが帯状吸音材全体の1/4以下の場合を「△」で示した。
各試験タイヤをそれぞれリムサイズ20×9 1/2Jのホイールに組み付け、空気圧360kPa、荷重5kN、キャンバー角-4°のの条件でドラム試験機にて走行試験を実施した。具体的には、初期速度250km/hとし、20分毎に10km/hずつ速度を増加させ、時速310km/hに達するまで走行させた後、帯状吸音材同士の擦れによるブロックの摩耗を目視により確認した。その結果を表1-1及び表1-2に示す。上記の項目において、帯状吸音材同士の擦れによるブロックの摩耗が無い場合を「◎」で示し、帯状吸音材のブロックの摩耗が一部あるが問題ない場合を「○」で示し、帯状吸音材のブロックの摩耗が帯状吸音材全体の1/4以下の場合を「△」で示した。
2 サイドウォール部
3 ビード部
4 タイヤ内面
5 接着層
6 帯状吸音材
7 切り込み
8 空洞部
9 欠落部
10 面取り部
Claims (7)
- タイヤ周方向に延在して環状をなすトレッド部と、該トレッド部の両側に配置された一対のサイドウォール部と、これらサイドウォール部のタイヤ径方向内側に配置された一対のビード部とを備え、前記トレッド部の内面にタイヤ周方向に沿って帯状吸音材が接着されており、車両に対する装着方向が指定された空気入りタイヤにおいて、
前記帯状吸音材にタイヤ幅方向に対する角度θ1、θ2が0°≦θ1≦90°かつ0°≦θ2≦90°の範囲で互いに交差するように複数の切り込みが形成されていると共に、前記切り込みが前記帯状吸音材の車両内側の端部に隣接する領域に局所的に配置されており、前記切り込みの配置領域の幅Wcが前記帯状吸音材の幅Wsに対して10%~80%であることを特徴とする空気入りタイヤ。 - 前記切り込みの間隔tが前記帯状吸音材の幅Wsに対して5%~90%であることを特徴とする請求項1に記載の空気入りタイヤ。
- 前記切り込みの深さdが前記帯状吸音材の厚さDに対して20%~80%であることを特徴とする請求項1又は2に記載の空気入りタイヤ。
- 前記帯状吸音材の幅方向の端部のうち少なくとも車両外側に位置する端部に面取りが施されていることを特徴とする請求項1~3のいずれかに記載の空気入りタイヤ。
- 前記帯状吸音材はその幅方向の中心がタイヤ赤道よりも車両内側となるように配置されていることを特徴とする請求項1~4のいずれかに記載の空気入りタイヤ。
- 前記帯状吸音材の体積が前記タイヤの内腔体積に対して10%~30%であることを特徴とする請求項1~5のいずれかに記載の空気入りタイヤ。
- 前記帯状吸音材がタイヤ周方向の少なくとも一箇所に欠落部を有することを特徴とする請求項1~6のいずれかに記載の空気入りタイヤ。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112016005000.3T DE112016005000B4 (de) | 2015-10-28 | 2016-10-17 | Luftreifen |
| US15/771,859 US10933700B2 (en) | 2015-10-28 | 2016-10-17 | Pneumatic tire |
| CN201680062414.4A CN108349305B (zh) | 2015-10-28 | 2016-10-17 | 充气轮胎 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015211457A JP6601153B2 (ja) | 2015-10-28 | 2015-10-28 | 空気入りタイヤ |
| JP2015-211457 | 2015-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017073391A1 true WO2017073391A1 (ja) | 2017-05-04 |
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ID=58630041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2016/080689 Ceased WO2017073391A1 (ja) | 2015-10-28 | 2016-10-17 | 空気入りタイヤ |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10933700B2 (ja) |
| JP (1) | JP6601153B2 (ja) |
| CN (1) | CN108349305B (ja) |
| DE (1) | DE112016005000B4 (ja) |
| WO (1) | WO2017073391A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7140668B2 (ja) * | 2018-12-17 | 2022-09-21 | 株式会社ブリヂストン | 空気入りタイヤ |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19806935A1 (de) * | 1998-02-19 | 1999-09-09 | Continental Ag | Verfahren zum Herstellen eines Fahrzeugluftreifens mit einer an seiner Innenseele anhaftenden schallabsorbierenden Schaumstoffschicht sowie gemäß diesem Verfahren hergestellter Reifen |
| WO2005012007A1 (ja) * | 2003-08-04 | 2005-02-10 | The Yokohama Rubber Co.,Ltd. | 低騒音空気入りタイヤ |
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2016
- 2016-10-17 WO PCT/JP2016/080689 patent/WO2017073391A1/ja not_active Ceased
- 2016-10-17 DE DE112016005000.3T patent/DE112016005000B4/de active Active
- 2016-10-17 US US15/771,859 patent/US10933700B2/en active Active
- 2016-10-17 CN CN201680062414.4A patent/CN108349305B/zh active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2017081405A (ja) | 2017-05-18 |
| DE112016005000T5 (de) | 2018-07-26 |
| DE112016005000B4 (de) | 2025-05-28 |
| CN108349305B (zh) | 2021-01-08 |
| US20180326798A1 (en) | 2018-11-15 |
| CN108349305A (zh) | 2018-07-31 |
| JP6601153B2 (ja) | 2019-11-06 |
| US10933700B2 (en) | 2021-03-02 |
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