WO2016027724A1 - 騒音低減装置及びそれを備えた空気入りタイヤ - Google Patents
騒音低減装置及びそれを備えた空気入りタイヤ Download PDFInfo
- Publication number
- WO2016027724A1 WO2016027724A1 PCT/JP2015/072679 JP2015072679W WO2016027724A1 WO 2016027724 A1 WO2016027724 A1 WO 2016027724A1 JP 2015072679 W JP2015072679 W JP 2015072679W WO 2016027724 A1 WO2016027724 A1 WO 2016027724A1
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- WIPO (PCT)
- Prior art keywords
- band member
- rib
- noise reduction
- circumferential direction
- tire
- Prior art date
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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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0681—Parts of pneumatic tyres; accessories, auxiliary operations
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/10—Reduction of
- B60B2900/133—Noise
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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
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0386—Continuous ribs
- B60C2011/0388—Continuous ribs provided at the equatorial plane
Definitions
- the present invention relates to a noise reduction device mounted on an inner surface of a tire and a pneumatic tire including the same, and more specifically, noise that enables weight reduction without impairing a function of fixing a sound absorbing material to the inner surface of the tire.
- the present invention relates to a reduction device and a pneumatic tire including the reduction device.
- one of the causes of noise is cavity resonance due to vibration of air filled inside the tire.
- the cavity resonance sound is generated when the tread portion vibrates due to road surface irregularities when the tire rolls, and the vibration of the tread portion vibrates the air inside the tire.
- a sound absorbing material in a cavity formed between a tire and a wheel rim. More specifically, a noise reduction device in which a sound-absorbing material made of a porous material is joined to a band member made of a thermoplastic resin formed in an annular shape along the tire inner surface, and the elastic recovery of the band member is made. A sound absorbing material is installed in a region corresponding to the tread portion on the inner surface of the tire using force (see, for example, Patent Documents 1 and 2).
- the thickness of the band member is reduced for weight reduction in the above-described noise reduction device, there is a problem that the sound absorbing material cannot be firmly fixed to the tire inner surface because the rigidity of the band member is insufficient. If the sound absorbing material is unstablely fixed to the tire inner surface, there is a problem that the rim assembling property is deteriorated, or the noise reduction device cannot follow the tire running and is easily broken.
- An object of the present invention is to provide a noise reduction device capable of reducing the weight without impairing the function of fixing the sound absorbing material to the tire inner surface, and a pneumatic tire provided with the noise reduction device.
- a noise reduction device includes a band member made of a thermoplastic resin formed in an annular shape along an inner surface of a tire, and a sound absorbing material made of a porous material joined to the band member.
- the band member has at least one surface in the thickness direction of the band member. At least one rib extending in the circumferential direction is provided, and the rib is arranged so as to exist in the entire circumferential direction of the band member.
- the pneumatic tire of the present invention is characterized in that the above-described noise reduction device is provided in the cavity.
- the band member in the noise reduction device in which the sound absorbing material is attached to the tire inner surface based on the elastic restoring force of the band member, the band member extends in the circumferential direction of at least one surface in the thickness direction of the band member. Even when the thickness of the band member is reduced by providing at least one rib and arranging the rib so as to exist in the entire circumferential direction of the band member, the band member A sufficient bending rigidity can be ensured. Therefore, weight reduction can be achieved without impairing the function of fixing the sound absorbing material to the tire inner surface.
- the rib has a continuous structure over the entire circumferential direction of the band member. If the rib is interrupted in the middle of the circumferential direction, stress concentrates on the part and the band member is easily broken, but the rib has a continuous structure to avoid stress concentration and provide a good reinforcing effect. Obtainable.
- the rib may be composed of a plurality of rib pieces shorter than the circumferential length of the band member. In this case, the rib pieces adjacent to each other in the circumferential direction of the band member are arranged so as to overlap each other in the circumferential direction. It is preferable. Thereby, it can avoid as much as possible that stress concentrates on the site
- the rib comes into contact with the inner surface of the tire, but the band member does not come into direct contact with the inner surface of the tire, so heat transfer from the inner surface of the tire to the band member is suppressed, and the rigidity of the band member is caused by the heat. It can suppress that it falls.
- the rib When placing the rib on the outer peripheral surface of the band member, it is preferable to chamfer the portion of the rib that contacts the tire inner surface. Thereby, the damage of the tire inner surface by the contact of a rib can be reduced, and durability of a pneumatic tire can be improved.
- the amount of change in the circumference of the height and width of the rib is 20% or less of the minimum value.
- the amount of change in the circumference of the rib height and width increases, the stiffness change in the circumferential direction of the band member increases and stress concentration tends to occur, but stress concentration can be avoided by regulating the amount of change. Can do.
- the total width of the ribs is preferably 2% to 30% of the width of the band member, and the height of the ribs is preferably 20% to 400% of the thickness of the band member.
- FIG. 1 is a perspective sectional view showing a pneumatic tire equipped with a noise reduction device according to an embodiment of the present invention.
- FIG. 2 is a perspective view showing a noise reduction device according to an embodiment of the present invention.
- FIGS. 3A to 3C show a method of joining the sound absorbing material to the band member, and FIGS. 3A to 3C are cross-sectional views of the respective steps.
- 4 (a) and 4 (b) show an example of a band member used in the present invention
- FIG. 4 (a) is a developed view of the band member developed on a plane
- FIG. 4 (b) is a transverse view thereof.
- FIG. 5 (a) and 5 (b) show a modification of the band member used in the present invention, FIG.
- FIG. 5 (a) is a developed view in which the band member is developed on a plane
- FIG. It is a cross-sectional view.
- 6 (a) and 6 (b) show another modification of the band member used in the present invention
- FIG. 6 (a) is a developed view in which the band member is developed on a plane
- FIG. 6 (b). Is a cross-sectional view thereof.
- 7 (a) and 7 (b) show another modification of the band member used in the present invention
- FIG. 7 (a) is a developed view in which the band member is developed on a plane
- FIG. 7 (b). Is a cross-sectional view thereof.
- 8 (a) and 8 (b) show another modification of the band member used in the present invention, and FIG.
- FIG. 8 (a) is a developed view in which the band member is developed on a plane
- FIG. 8 (b). Is a side view thereof.
- 9 (a) and 9 (b) show another modification of the band member used in the present invention
- FIG. 9 (a) is a developed view in which the band member is developed on a plane
- FIG. 9 (b). Is a cross-sectional view thereof.
- 10 (a) and 10 (b) show another modification of the band member used in the present invention
- FIG. 10 (a) is a developed view in which the band member is developed on a plane
- FIG. 10 (b). Is a cross-sectional view thereof.
- 11 (a) and 11 (b) show another modification of the band member used in the present invention
- FIG. 11 (a) is a developed view in which the band member is developed on a plane
- FIG. 11 (b). Is a cross-sectional view thereof.
- FIG. 12 is a cross-sectional view showing another modification of the band member used in the present invention.
- FIG. 13 is a cross-sectional view showing another modification of the band member used in the present invention.
- FIG. 1 shows a pneumatic tire according to an embodiment of the present invention
- FIG. 2 shows a noise reduction device according to an embodiment of the present invention
- a pneumatic tire includes a tread portion 1 that extends in the tire circumferential direction and has an annular shape, a pair of sidewall portions 2 disposed on both sides of the tread portion 1, and tires of these sidewall portions 2. And a pair of bead portions 3 arranged on the radially inner side.
- a ring-shaped noise reduction device 10 shown in FIG. 2 is mounted in the cavity 4 surrounded by the tread portion 1, the sidewall portion 2, and the bead portion 3.
- the noise reduction device 10 is disposed in a region corresponding to the tread portion 1 of the tire inner surface 5.
- the noise reduction device 10 includes a band member 11 made of a thermoplastic resin and a plurality of sound absorbing materials 12 made of a porous material.
- the band member 11 is formed in an annular shape along the tire inner surface 5, and the sound absorbing material 12 is joined to the band member 11 at intervals from each other along the circumferential direction of the band member 11.
- These sound absorbing materials 12 have a large number of internal cells and have predetermined sound absorbing characteristics based on the porous structure.
- foamed polyurethane may be used as the porous material of the sound absorbing material 12.
- the band member 11 holds the sound absorbing material 12 on the tire inner surface 5 based on the elastic restoring force.
- the noise reduction device 10 configured as described above is detachable from a normal pneumatic tire, and the attachment / detachment work is easy.
- the noise reduction device 10 as a means for joining the band member 11 and the sound absorbing material 12, heat fusion using a locking member 13 made of a thermoplastic resin is employed. That is, the sound absorbing material 12 is disposed between the band member 11 made of thermoplastic resin and the locking member 13 made of thermoplastic resin, and the locking member 13 is heat-sealed to the band member 11 through the sound absorbing material 12. ing.
- the constituent material of the band member 11 and the constituent material of the locking member 13 may be the same type of thermoplastic resin, for example, polypropylene.
- FIG. 3 (a) to 3 (c) show a method of joining the sound absorbing material 12 to the band member 11.
- FIG. 3A the sound absorbing material 12 is disposed between the band member 11 and the plate-like locking member 13.
- FIG. 3B the vibration horn 20 of the ultrasonic welder is pressed against the locking member 13 so that the locking member 13 is bent, and the bent portion is locally heated. To do.
- FIG. 3C the locking member 13 and the band member 11 are heat-sealed through the sound absorbing material 12, and each sound absorbing material 12 is attached to the band member 11 by the plurality of locking members 13.
- Join As a method for joining the band member 11 and the sound absorbing material 12, it is preferable to use the above-mentioned heat fusion, but the joining method is not particularly limited, and for example, an adhesive can be used. It is.
- At least one rib 14 (projection) extending in the circumferential direction of the band member 11 is formed on at least one surface in the thickness direction of the band member 11, and the rib 14 is the band member. 11 are arranged so as to exist in the whole area in the circumferential direction. 1 and 2, the rib 14 is disposed on the outer peripheral surface of the band member 11.
- the band member 10 is provided on at least one surface in the thickness direction of the band member 11. This is a case where the thickness of the band member 11 is reduced by providing at least one rib 14 extending in the circumferential direction and arranging the rib 14 so as to exist in the entire circumferential direction of the band member 11.
- the bending rigidity of the band member 11 can be sufficiently secured based on the ribs 14. Therefore, the noise reduction device 10 can be reduced in weight without impairing the function of fixing the sound absorbing material 12 to the tire inner surface 5.
- the rib 14 when the rib 14 is disposed on the outer peripheral surface of the band member 11, the rib 14 contacts the tire inner surface 5, while the band member 11 does not directly contact the tire inner surface 5.
- the heat transfer to 11 can be suppressed, and the rigidity of the band member 11 can be prevented from decreasing due to heat.
- the rib 14 preferably has a continuous structure over the entire circumferential direction (longitudinal direction) of the band member 11. If the rib 14 is interrupted in the middle of the circumferential direction, stress concentrates on the portion and the band member 11 is easily broken. However, the rib 14 has a continuous structure, thereby avoiding stress concentration and good. A reinforcing effect can be obtained.
- the rib 14 may be inevitably discontinuous in the junction part (splice part). In such a case, the rib 14 should just have the structure continuous in the area
- a single rib 14 having a continuous structure over the entire circumferential direction (longitudinal direction) of the band member 11 is formed on one surface of the band member 11, and the rib 14 Extends linearly along the circumferential direction of the band member 11.
- two ribs 14 having a continuous structure over the entire circumferential direction (longitudinal direction) of the band member 11 are formed on one surface of the band member 11. Is extending linearly along the circumferential direction of the band member 11 at both ends in the width direction of the band member 11. According to such a form, the band member 11 can be effectively reinforced, and the band member 11 can be installed in a stable state by bringing the two ribs 14 into contact with the tire inner surface 5. .
- a single rib 14 having a continuous structure over the entire circumferential direction (longitudinal direction) of the band member 11 is formed on one surface of the band member 11. Extends in a zigzag shape along the circumferential direction of the band member 11.
- the band member 11 can be installed in a stable state by bringing the ribs 14 extending in a zigzag shape into contact with the tire inner surface 5.
- one rib 14 having a continuous structure over the entire circumferential direction (longitudinal direction) of the band member 11 is formed on one surface of the band member 11, and the rib 14 Is changed on the circumference of the band member 11.
- a single rib 14 having a continuous structure over the entire circumferential direction (longitudinal direction) of the band member 11 is formed on one surface of the band member 11.
- the height of the rib 14 changes on the circumference of the band member 11.
- the amount of change (the difference between the minimum value and the maximum value) on the circumference of the height and width of the rib 14 is preferably 20% or less of the minimum value, respectively.
- the most preferable form is a case where the height and width of the rib 14 are constant on the circumference of the band member 11.
- the rigidity change in the circumferential direction of the band member 11 increases and stress concentration easily occurs.
- stress concentration is avoided by regulating the amount of change. can do. This contributes to improvement in durability of the band member 11.
- the total width W1 of the ribs 14 is preferably 2% to 30% of the width W0 of the band member 11, and the height T1 of the ribs 14 is preferably 20% to 400% of the thickness T0 of the band member 11 (see FIG. 4). ).
- the width of the one rib 14 is the total width W ⁇ b> 1, but when the band member 11 includes a plurality of ribs 14, the width of the plurality of ribs 14. Is the total width W1.
- the reinforcing effect is insufficient.
- the bending rigidity becomes excessive and the durability is lowered.
- the height T1 of the rib 14 is too small, the reinforcing effect is insufficient.
- the rib 14 is too large, the bending rigidity becomes excessive and the durability is lowered.
- the rib 14 is disposed on the outer peripheral surface of the band member 11, if the height T1 of the rib 14 is too large, the sound absorbing material 12 is greatly separated from the tire inner surface 5, and the sound absorbing material 12 is deformed with traveling. Therefore, the sound absorbing material 12 is easily damaged.
- the width W0 of the band member 11 is preferably set in the range of 15 mm to 70 mm, and the thickness T0 of the band member 11 is preferably set in the range of 0.7 mm to 3.0 mm.
- the rib 14 can be composed of a plurality of rib pieces 14 ⁇ / b> X shorter than the circumferential length of the band member 11.
- the rib pieces 14X and 14X adjacent to each other in the circumferential direction (longitudinal direction) of the band member 11 may be arranged so as to overlap each other in the circumferential direction.
- a rib 14 including a plurality of rib pieces 14X is formed on one surface of the band member 11, and the rib pieces 14X adjacent to each other in the circumferential direction (longitudinal direction) of the band member 11 are formed. 14X are arrange
- the rib pieces 14 ⁇ / b> X are arranged so as to be distributed in two places in the width direction of the band member 11, and each rib piece 14 ⁇ / b> X extends in parallel with the longitudinal direction of the band member 11.
- a rib 14 composed of a plurality of rib pieces 14X is formed on one surface of the band member 11, and the rib pieces 14X adjacent to each other in the circumferential direction (longitudinal direction) of the band member 11 are formed. 14X are arrange
- the rib pieces 14 ⁇ / b> X are arranged so as to be distributed at three positions in the width direction of the band member 11, and each rib piece 14 ⁇ / b> X extends in parallel with the longitudinal direction of the band member 11.
- a rib 14 including a plurality of rib pieces 14X is formed on one surface of the band member 11, and the rib pieces 14X adjacent to each other in the circumferential direction (longitudinal direction) of the band member 11 are formed. 14X are arrange
- Each rib piece 14 ⁇ / b> X is inclined with respect to the longitudinal direction of the band member 11.
- the overlap amount of the rib pieces 14X in the tire circumferential direction is not particularly limited, but if the overlap amount is excessive, the bending rigidity of the entire band member 11 is excessive. It also leads to an increase in weight. Therefore, it is preferable to minimize the overlapping amount of the rib pieces 14X in the tire circumferential direction.
- the total sum of the overlapping amounts of the rib pieces 14 ⁇ / b> X in the tire circumferential direction is preferably regulated to 30% or less of the circumferential length of the band member 11.
- a chamfered portion 15 ⁇ / b> A made of a curved surface having a predetermined radius of curvature is formed at a portion of the rib 14 that contacts the tire inner surface 5.
- a chamfered portion 15 ⁇ / b> B having a flat surface is formed at a portion of the rib 14 that contacts the tire inner surface 5.
- the band member including a band member made of a thermoplastic resin formed in an annular shape along the inner surface of the tire, and a sound absorbing material made of a porous material joined to the band member
- the noise reduction devices of the conventional examples, comparative examples 1 and 2 and examples 1 to 6 in which the configurations of the band members are variously manufactured were manufactured. These noise reduction devices are suitable for pneumatic tires of tire size 245 / 40R18.
- the width of the band member was 20 mm, and the thickness of the band member was 1.0 mm.
- the width of the band member was 20 mm, and the thickness of the band member was 0.8 mm.
- the width of the band member is set to 20 mm, the thickness of the band member is set to 0.8 mm, and a rib extending along the circumferential direction of the band member is provided on the outer peripheral surface of the band member.
- the rib members were composed of 15 rib pieces shorter than the circumferential length of the member, and these rib pieces were spaced apart from each other in the circumferential direction so that the ribs were arranged in a region of 90% in the circumferential direction of the band member.
- the width of the band member is set to 20 mm
- the thickness of the band member is set to 0.6 mm to 0.8 mm
- the band member is continuously extended along the circumferential direction of the band member.
- One rib (refer to FIG. 4) is provided, and the rib is disposed so as to exist in the entire circumferential direction of the band member, and the width and height of the rib are varied.
- the width of the band member is set to 20 mm
- the thickness of the band member is set to 0.5 mm
- two ribs continuously extending along the circumferential direction of the band member on the outer peripheral surface of the band member ( 5), and the ribs were disposed so as to exist in the entire circumferential direction of the band member.
- the width of each rib was 2 mm.
- the width of the band member is 20 mm
- the thickness of the band member is 0.8 mm
- a rib extending in the circumferential direction of the band member is provided on the outer peripheral surface of the band member, and the rib is formed on the band member.
- the rib member is composed of 15 rib pieces (see FIG. 11) shorter than the circumferential length, and the rib pieces adjacent to each other in the circumferential direction of the band member are arranged so as to overlap each other in the circumferential direction. It arranged so that it might exist in the whole area. These rib pieces were disposed obliquely with respect to the circumferential direction of the band member, and the width of each rib piece was 1 mm.
- Each noise reduction device is installed in a hollow portion of a pneumatic tire having a tire size of 245 / 40R18, the pneumatic tire is assembled to a wheel having a rim size of 18 ⁇ 9 JJ, an air pressure of 250 kPa, a load of 4.8 kN using an indoor drum tester, A running test was conducted under the condition of a speed of 80 km / h, and the running distance until the noise reduction device was destroyed was measured. If the mileage is 20000 km or more, it will be accepted.
- the evaluation result is indicated by “S” when the travel distance is twice or more of the pass determination distance, and indicated by “A” when the travel distance is 1.5 times or more of the pass determination distance.
- a case where the distance is equal to or greater than the determination distance is indicated by “B”, and a case where the travel distance is less than the acceptable determination distance is indicated by “C”.
- Band weight The weight of the band member of each noise reduction device was measured and indicated by an index with the conventional example being 100. A smaller index value means a lighter weight.
- the noise reduction devices of Examples 1 to 6 were lighter than the conventional examples, and the sound absorbing material holding performance and durability were good.
- Comparative Example 1 since the band member was thinned without ribs, the sound absorbing material could not be held on the tire inner surface, and durability could not be evaluated.
- Comparative Example 2 a rib extending intermittently along the circumferential direction of the band member is provided on the outer circumferential surface of the band member, and the rib is disposed so as to exist in an area of 90% in the circumferential direction of the band member. Therefore, the durability of the noise reduction device was insufficient.
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Abstract
Description
各騒音低減装置を空気入りタイヤの空洞部内に装着し、タイヤ内面への吸音材の保持性能を調べた。評価結果は、バンド部材の剛性が十分であり、吸音材がタイヤ内面に対してしっかりと保持される場合を「A」で示し、バンド部材に剛性に基づいて吸音材がタイヤ内面に対して保持される場合を「B」で示し、バンド部材の剛性が不足し、吸音材が保持されずにタイヤ内面から脱落する場合を「C」で示した。
各騒音低減装置をタイヤサイズ245/40R18の空気入りタイヤの空洞部内に装着し、その空気入りタイヤをリムサイズ18×9JJのホイールに組み付け、室内ドラム試験機を用いて空気圧250kPa、荷重4.8kN、速度80km/hの条件にて走行試験を実施し、騒音低減装置が破壊されるまでの走行距離を計測した。走行距離が20000km以上となったものを合格とする。評価結果は、走行距離が合格判定距離の2倍以上である場合を「S」で示し、走行距離が合格判定距離の1.5倍以上である場合を「A」で示し、走行距離が合格判定距離以上である場合を「B」で示し、走行距離が合格判定距離未満である場合を「C」で示した。
各騒音低減装置のバンド部材の重量を計測し、従来例を100とする指数にて示した。この指数値が小さいほど軽量であることを意味する。
2 ビード部
3 サイドウォール部
4 空洞部
5 タイヤ内面
10 騒音低減装置
11 バンド部材
12 吸音材
13 係止部材
14 リブ
14X リブ片
15A,15B 面取り部
Claims (8)
- タイヤ内面に沿うように環状に成形された熱可塑性樹脂からなるバンド部材と、該バンド部材に対して接合された多孔質材料からなる吸音材とを有し、前記バンド部材の弾性復元力に基づいて前記吸音材をタイヤ内面に装着するようにした騒音低減装置において、前記バンド部材の厚さ方向の少なくとも一方の面に該バンド部材の周方向に延長する少なくとも1本のリブを設け、該リブを前記バンド部材の周方向の全域に存在するように配置したことを特徴とする騒音低減装置。
- 前記リブが前記バンド部材の周方向の全域にわたって連続した構造を有することを特徴とする請求項1に記載の騒音低減装置。
- 前記リブが前記バンド部材の周長よりも短い複数のリブ片からなり、前記バンド部材の周方向に隣り合うリブ片を互いに周方向に重複するように配置したことを特徴とする請求項1に記載の騒音低減装置。
- 前記リブを前記バンド部材の外周面に配置したことを特徴とする請求項1~3のいずれかに記載の騒音低減装置。
- 前記リブのタイヤ内面に接触する部分に面取り加工を施したことを特徴とする請求項4に記載の騒音低減装置。
- 前記リブの高さ及び幅の周上での変化量がそれぞれ最小値の20%以下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騒音低減装置。
- 前記リブの合計幅が前記バンド部材の幅の2%~30%であり、前記リブの高さが前記バンド部材の厚さの20%~400%であることを特徴とする請求項1~6のいずれかに記載の騒音低減装置。
- 請求項1~7のいずれかに記載の騒音低減装置を空洞部内に備えたことを特徴とする空気入りタイヤ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112015003852.3T DE112015003852T5 (de) | 2014-08-22 | 2015-08-10 | Vorrichtung zum Reduzieren von Reifengeräuschen und Luftreifen, der mit Selbiger ausgestattet ist |
KR1020167027134A KR101839768B1 (ko) | 2014-08-22 | 2015-08-10 | 소음 저감 장치 및 그것을 구비한 공기입 타이어 |
US15/505,895 US10668776B2 (en) | 2014-08-22 | 2015-08-10 | Noise reduction apparatus and pneumatic tire provided with same |
CN201580031743.8A CN106457900B (zh) | 2014-08-22 | 2015-08-10 | 噪音降低装置和具备该噪音降低装置的充气轮胎 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014169870A JP6428046B2 (ja) | 2014-08-22 | 2014-08-22 | 騒音低減装置及びそれを備えた空気入りタイヤ |
JP2014-169870 | 2014-08-22 |
Publications (1)
Publication Number | Publication Date |
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WO2016027724A1 true WO2016027724A1 (ja) | 2016-02-25 |
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PCT/JP2015/072679 WO2016027724A1 (ja) | 2014-08-22 | 2015-08-10 | 騒音低減装置及びそれを備えた空気入りタイヤ |
Country Status (6)
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US (1) | US10668776B2 (ja) |
JP (1) | JP6428046B2 (ja) |
KR (1) | KR101839768B1 (ja) |
CN (1) | CN106457900B (ja) |
DE (1) | DE112015003852T5 (ja) |
WO (1) | WO2016027724A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017178179A (ja) * | 2016-03-31 | 2017-10-05 | 横浜ゴム株式会社 | タイヤ騒音低減装置及びそれを備えた空気入りタイヤ |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112015002983B9 (de) * | 2014-06-24 | 2021-10-14 | The Yokohama Rubber Co., Ltd. | Reifengeräusch-Reduzierungsvorrichtung und Luftreifen |
WO2015198996A1 (ja) * | 2014-06-24 | 2015-12-30 | 横浜ゴム株式会社 | タイヤ用騒音低減装置および空気入りタイヤ |
JP6432211B2 (ja) * | 2014-08-22 | 2018-12-05 | 横浜ゴム株式会社 | 騒音低減装置及びそれを備えた空気入りタイヤ |
CN110944828B (zh) * | 2017-07-27 | 2022-02-25 | 倍耐力轮胎股份公司 | 用于生产能够降低腔噪声的轮胎的处理和由此获得的轮胎的组 |
JP7293919B2 (ja) * | 2019-07-01 | 2023-06-20 | 住友ゴム工業株式会社 | 空気入りタイヤ |
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JP2006306285A (ja) * | 2005-04-28 | 2006-11-09 | Yokohama Rubber Co Ltd:The | 騒音低減装置及びその製造方法、並びに、騒音低減装置を備えた空気入りタイヤ |
JP2006341681A (ja) * | 2005-06-08 | 2006-12-21 | Honda Motor Co Ltd | タイヤ吸音構造体 |
JP2010280340A (ja) * | 2009-06-05 | 2010-12-16 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
US20120325383A1 (en) * | 2011-06-24 | 2012-12-27 | Gm Global Technolofgy Operations Llc | Acoustical core for absorbing noise within a tire interior cavity |
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JP5347555B2 (ja) * | 2008-05-09 | 2013-11-20 | 横浜ゴム株式会社 | タイヤ騒音低減装置及びこれを装着した空気入りタイヤ |
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JP5111540B2 (ja) * | 2010-03-12 | 2013-01-09 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
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-
2014
- 2014-08-22 JP JP2014169870A patent/JP6428046B2/ja active Active
-
2015
- 2015-08-10 US US15/505,895 patent/US10668776B2/en active Active
- 2015-08-10 WO PCT/JP2015/072679 patent/WO2016027724A1/ja active Application Filing
- 2015-08-10 DE DE112015003852.3T patent/DE112015003852T5/de not_active Withdrawn
- 2015-08-10 CN CN201580031743.8A patent/CN106457900B/zh not_active Expired - Fee Related
- 2015-08-10 KR KR1020167027134A patent/KR101839768B1/ko active IP Right Grant
Patent Citations (4)
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JP2006341681A (ja) * | 2005-06-08 | 2006-12-21 | Honda Motor Co Ltd | タイヤ吸音構造体 |
JP2010280340A (ja) * | 2009-06-05 | 2010-12-16 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
US20120325383A1 (en) * | 2011-06-24 | 2012-12-27 | Gm Global Technolofgy Operations Llc | Acoustical core for absorbing noise within a tire interior cavity |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2017178179A (ja) * | 2016-03-31 | 2017-10-05 | 横浜ゴム株式会社 | タイヤ騒音低減装置及びそれを備えた空気入りタイヤ |
WO2017170154A1 (ja) * | 2016-03-31 | 2017-10-05 | 横浜ゴム株式会社 | タイヤ騒音低減装置及びそれを備えた空気入りタイヤ |
CN109070634A (zh) * | 2016-03-31 | 2018-12-21 | 横滨橡胶株式会社 | 轮胎噪声降低装置以及具备其的充气轮胎 |
CN109070634B (zh) * | 2016-03-31 | 2020-07-10 | 横滨橡胶株式会社 | 轮胎噪声降低装置以及具备其的充气轮胎 |
US11370254B2 (en) | 2016-03-31 | 2022-06-28 | The Yokohama Rubber Co., Ltd. | Tire noise reduction device and pneumatic tire provided with same |
US11541699B2 (en) | 2016-03-31 | 2023-01-03 | The Yokohama Rubber Co., Ltd. | Tire noise reduction device and pneumatic tire provided with same |
Also Published As
Publication number | Publication date |
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KR101839768B1 (ko) | 2018-03-19 |
JP2016043824A (ja) | 2016-04-04 |
CN106457900A (zh) | 2017-02-22 |
JP6428046B2 (ja) | 2018-11-28 |
US20180215208A1 (en) | 2018-08-02 |
US10668776B2 (en) | 2020-06-02 |
CN106457900B (zh) | 2018-06-29 |
DE112015003852T5 (de) | 2017-05-11 |
KR20160127809A (ko) | 2016-11-04 |
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