WO2015076381A1 - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- WO2015076381A1 WO2015076381A1 PCT/JP2014/080947 JP2014080947W WO2015076381A1 WO 2015076381 A1 WO2015076381 A1 WO 2015076381A1 JP 2014080947 W JP2014080947 W JP 2014080947W WO 2015076381 A1 WO2015076381 A1 WO 2015076381A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- absorbing material
- tire
- sound absorbing
- pneumatic tire
- air
- 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
- 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
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
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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
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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
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
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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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
-
- 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
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
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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
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0491—Constructional details of means for attaching the control device
- B60C23/0493—Constructional details of means for attaching the control device for attachment on the tyre
Definitions
- the present invention relates to a pneumatic tire in which a band-shaped sound absorbing material is bonded to a region corresponding to a tread portion on the inner surface of the tire, and more specifically, suppressing peeling of the sound absorbing material due to heat generation of the sound absorbing material and an adhesive layer thereof. It relates to a pneumatic tire that has been made possible.
- 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.
- An object of the present invention is to provide a pneumatic tire capable of suppressing the peeling of the sound absorbing material due to the heat generation of the sound absorbing material and its adhesive layer.
- the pneumatic tire of the present invention includes an annular tread portion extending in the tire circumferential direction, a pair of sidewall portions disposed on both sides of the tread portion, and the sidewall portions.
- a pair of bead portions disposed on the inner side in the tire radial direction of the tire, and a pneumatic tire in which a band-shaped sound absorbing material is bonded to a region corresponding to the tread portion on the tire inner surface via an adhesive layer along the tire circumferential direction.
- an air agitating portion in which the sound-absorbing material is interrupted is provided in at least one place on the tire circumference.
- the sound absorbing material is interrupted at least at one place on the tire periphery. Since the formed air agitating portion is provided, the air agitating portion functions to agitate the air in the cavity as the pneumatic tire rotates. Therefore, even if the sound absorbing material and its adhesive layer generate heat as the pneumatic tire travels, the heat is diffused throughout the air in the cavity, and the adhesive layer for fixing the sound absorbing material is softened or deteriorated. Can be suppressed. As a result, separation of the sound absorbing material due to heat generation of the sound absorbing material and its adhesive layer can be suppressed.
- the air agitation section is preferably provided at a plurality of locations on the tire circumference, particularly at 3 to 5 locations on the tire circumference. Thereby, the thermal diffusion effect by an air stirring part can be acquired effectively.
- the length of the air agitating portion in the tire circumferential direction is preferably in the range of 0.5 to 10 times the height of the sound absorbing material. Thereby, the thermal diffusion effect by an air stirring part can be acquired effectively.
- the sound-absorbing material is a single sound-absorbing material extending in the tire circumferential direction, and has a uniform thickness at least in a range corresponding to the adhesive surface in a cross section orthogonal to the longitudinal direction, and the cross-sectional shape thereof extends along the longitudinal direction. And constant. Thereby, the capacity
- the ratio of the volume of the sound absorbing material to the volume of the cavity formed in the tire when the rim is assembled is preferably larger than 20%.
- 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.
- “Measuring Rim” is set.
- 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 “TIRE ROAD LIMITS AT VARIOUS” is TRA.
- the hardness of the sound absorbing material is preferably 60 N to 170 N, and the tensile strength of the sound absorbing material is preferably 60 kPa to 180 kPa or more.
- the sound-absorbing material having such physical properties is excellent in durability against shearing strain caused by expansion due to inflation of the tire and deformation of the tread portion due to ground contact.
- the hardness of the sound absorbing material is measured in accordance with JIS-K6400-2 “Soft foam material—Physical characteristics—Part 2: Determination of hardness and compressive stress—strain characteristics”. It is measured by the method (a method for obtaining a force after 20 seconds after a constant compression of 25%).
- the tensile strength of the sound absorbing material is measured in accordance with JIS-K6400-5 “Soft foam material—physical properties—Part 5: Determination of tensile strength, elongation and tear strength”.
- the adhesive layer is made of a double-sided adhesive tape, and the peel adhesive strength thereof is preferably in the range of 8 N / 20 mm to 40 N / 20 mm.
- the peel adhesive strength of the double-sided adhesive tape is measured according to JIS-Z0237. That is, the double-sided PSA sheet is lined with a 25 ⁇ m thick PET film. The backed adhesive sheet is cut into a 20 mm ⁇ 200 mm square to produce a test piece.
- the release liner is peeled from the test piece, and the exposed adhesive surface is attached to a stainless steel (SUS: B304, surface finish BA) plate as an adherend by reciprocating a 2 kg roller. After holding this in an environment of 23 ° C. and RH 50% for 30 minutes, using a tensile tester, in accordance with JIS Z 0237, in an environment of 23 ° C. and RH 50%, a peeling angle of 180 ° and a tensile speed of 300 mm / min. Under the conditions described above, the 180 ° peeling adhesion to the SUS plate is measured.
- SUS stainless steel
- 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 an enlarged side view showing the end of the sound absorbing material bonded to the inner surface of the pneumatic tire of the present invention.
- FIG. 4 is a plan view showing a sound-absorbing material and an air agitating part bonded to the inner surface of the pneumatic tire of the present invention.
- FIG. 5 is a plan view showing a modification of the sound absorbing material and the air agitating portion bonded to the inner surface of the pneumatic tire of the present invention.
- 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 an enlarged side view showing the end of the sound absorbing material bonded to
- FIG. 6 is an equatorial sectional view showing a pneumatic tire according to another embodiment of the present invention.
- FIG. 7 is an equatorial sectional view showing a pneumatic tire according to another embodiment of the present invention.
- FIG. 8 is an equatorial sectional view showing a pneumatic tire according to another embodiment of the present invention.
- FIG. 9 is an equatorial sectional view showing a pneumatic tire according to another embodiment of the present invention.
- FIG. 1 and FIG. 2 show a pneumatic tire according to an embodiment of the present invention.
- 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 sidewalls. And a pair of bead portions 3 disposed inside the portion 2 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 sound absorbing material 6 is made of a porous material having open cells, and has predetermined sound absorbing characteristics based on the porous structure.
- foamed polyurethane may be used.
- the adhesive layer 5 a paste adhesive or a double-sided adhesive tape can be used as the adhesive layer 5.
- an air agitating portion 8 in which the sound absorbing material 6 is interrupted is formed in at least one place on the tire circumference. Since the air agitating unit 8 is intended to agitate the air in the cavity 7, it is set so that the area of the end surface of the sound absorbing material 6 facing the air agitating unit 8 is as large as possible. ing. Preferably, as shown in FIG. 3, the end surface of the sound absorbing material 6 facing the air agitating unit 8 is formed to be orthogonal to the tire inner surface 4.
- FIG. 4 and 5 show the sound-absorbing material 6 and the air agitation unit 8 bonded to the inner surface of the pneumatic tire of the present invention.
- Tc is the tire circumferential direction
- Tw is the tire width direction.
- the air agitating unit 8 extends in the tire width direction Tw so as to be orthogonal to the tire circumferential direction Tc, and the shape in plan view is rectangular.
- the end surface of the sound absorbing material 6 acts so as to disturb the air in the cavity 7, so that a good stirring effect (see arrow in the figure) can be obtained.
- FIG. 4 shows the sound-absorbing material 6 and the air agitation unit 8 bonded to the inner surface of the pneumatic tire of the present invention.
- Tc is the tire circumferential direction
- Tw is the tire width direction.
- the air agitating unit 8 extends in the tire width direction Tw so as to be orthogonal to the tire circumferential direction Tc, and the shape in plan view is rectangular.
- the air agitating unit 8 extends in the tire width direction Tw while being inclined with respect to the tire circumferential direction Tc, and the shape in plan view is a parallelogram.
- a good stirring effect can be obtained by applying a flow in a direction in which the end surface of the sound absorbing material 6 is inclined with respect to the tire circumferential direction Tc to the air in the cavity portion 7.
- the air stirrer 8 functions to stir the air in the cavity 7 as the pneumatic tire rotates. Therefore, even if the sound absorbing material 6 and its adhesive layer 5 generate heat as the pneumatic tire travels, the heat can be diffused throughout the air in the cavity 7 and further to the rim of the wheel. it can.
- the air agitation unit 8 needs to be provided at at least one location on the tire circumference, but may be provided at a plurality of locations on the tire circumference. In particular, it is preferable to provide the air agitator 8 at 3 to 5 locations on the tire circumference. Thereby, the thermal diffusion effect by the air stirring part 8 can be acquired effectively. If the number of installed air agitation units 8 on the tire circumference is 2 or less, the heat diffusion effect cannot be optimized, and conversely if 6 or more, the heat diffusion effect is saturated and the manufacturing cost is increased. It only invites. Further, from the viewpoint of tire uniformity, the number of the air agitating units 8 installed on the tire circumference is preferably an odd number. In the case where the air agitating portions 8 are provided at a plurality of locations on the tire circumference, the air agitating portions 8 are desirably arranged at equal intervals along the tire circumferential direction.
- FIG. 6 to 9 show a pneumatic tire according to another embodiment of the present invention.
- the air agitating unit 8 is provided at one place on the tire circumference, but in the embodiment shown in FIG. 6, the air agitating part 8 is provided at two places on the tire circumference, and the implementation shown in FIG.
- the air agitating portions 8 are provided at three locations on the tire circumference, and in the embodiment shown in FIG. 8, the air agitating portions 8 are provided at four locations on the tire circumference.
- an air agitation unit 8 is provided at one location on the tire circumference, and an electronic device 9 is installed in the air agitation unit 8.
- the electronic device 9 is fixed to the tire inner surface 4 with an adhesive or the like in the air stirring portion 8.
- Examples of the electronic device 9 include a tire pressure monitoring system (TPMS) for detecting tire pressure. Since the sound absorbing material 6 does not exist in the air stirring unit 8, the mass imbalance can be corrected by installing the electronic device 9 in the air stirring unit 8. In addition, since air is diffused in the air agitating unit 8, the electronic device 9 disposed at the site can be effectively cooled.
- TPMS tire pressure monitoring system
- the length L in the tire circumferential direction of the air agitating portion 8 is preferably in the range of 0.5 to 10 times the height H of the sound absorbing material 6 from the tire inner surface 4 (See FIGS. 3 to 5).
- the thermal diffusion effect by the air stirring part 8 can be acquired effectively.
- the thermal diffusion effect is lowered, and conversely if it is larger than 10 times, the sound absorbing material 6 is reduced. Along with this, the sound absorption effect decreases.
- the length L in the tire circumferential direction of the air agitating portion 8 is preferably in the range of 1 to 5 times (most preferably 1.2 to 3 times) the height H of the sound absorbing material 6.
- the tire circumferential direction length L of the air agitating unit 8 is a length measured along the tire inner surface 4.
- the tire circumferential direction length L of the air agitation unit 8 may be different from each other.
- the optimal tire circumferential length L for the air agitating unit 8 to exert a thermal diffusion effect varies depending on the rotational speed of the tire. For example, a good heat diffusion effect cannot be obtained unless the tire circumferential length L is sufficiently large at high speed rotation, but a sufficient heat diffusion effect can be obtained at low rotation even if the tire circumferential length L is small. Therefore, a good thermal diffusion effect can be obtained at various rotational speeds by making the tire circumferential direction lengths L of the plurality of air agitating units 8 different from each other.
- a single sound absorbing material 6 extends in the tire circumferential direction, and the sound absorbing material 6 has a uniform thickness in a range corresponding to at least an adhesive surface in a cross section perpendicular to the longitudinal direction.
- the cross-sectional shape is preferably constant along the longitudinal direction.
- the cross-sectional shape of the cross section orthogonal to the longitudinal direction of the sound absorbing material 6 is preferably a rectangle (including a square), but depending on the case, it may be an inverted trapezoid so that the bonding surface side becomes narrow. .
- capacitance of the sound-absorbing material 6 per adhesion area can be maximized, and an excellent noise reduction effect can be obtained.
- the sound absorbing material 6 having such a shape is easy to process, the manufacturing cost is also low.
- a cavity 7 is formed between the tire inner surface 4 and the rim, and the volume ratio of the sound absorbing material 6 to the volume of the cavity 7 is larger than 20%. preferable.
- the width of the sound absorbing material 6 is preferably in the range of 30% to 90% of the tire ground contact width.
- the sound absorbing material 6 preferably has a hardness (JIS-K6400-2) of 60 N to 170 N, and the sound absorbing material 6 has a tensile strength (JIS K6400-5) of 60 kPa to 180 kPa.
- the sound absorbing material 6 having such physical properties has excellent durability against shear strain. If the hardness or tensile strength of the sound absorbing material 6 is too small, the durability of the sound absorbing material 6 will be reduced.
- the hardness of the sound absorbing material 6 is preferably 70 N to 160 N, and more preferably 80 N to 140 N.
- the tensile strength of the sound absorbing material 6 is preferably 75 kPa to 165 kPa, more preferably 90 kPa to 150 kPa.
- the adhesive layer 5 preferably has a peel adhesive strength (JIS-Z0237: 2009) in the range of 8 N / 20 mm to 40 N / 20 mm. Thereby, it is possible to easily perform the attaching operation of the sound absorbing material 6 and the dismantling operation at the time of discarding the tire while keeping the fixing strength of the sound absorbing material 6 good. That is, if the peeling force of the adhesive layer 5 is too weak, the fixed state of the sound absorbing material 6 becomes unstable. Conversely, if the peeling force of the adhesive layer 5 is too strong, the attaching position is changed in the attaching operation of the sound absorbing material 6. It becomes difficult to peel off the sound absorbing material 6 when the tire is discarded.
- the peel adhesive strength of the adhesive layer 5 is preferably 9 N / 20 mm to 30 N / 20 mm, more preferably 10 N / 20 mm to 25 N / 20 mm.
- the tire size is 215 / 45R17 and extends in the tire circumferential direction to form an annular tread portion, a pair of sidewall portions disposed on both sides of the tread portion, and the sidewall portions disposed on the inner side in the tire radial direction.
- a pneumatic tire having a band-shaped sound absorbing material adhered to the region corresponding to the tread portion on the inner surface of the tire via an adhesive layer along the tire circumferential direction.
- the tires of Comparative Example 1 and Examples 1 to 4 were manufactured.
- Comparative Example 1 a band-shaped sound absorbing material was disposed over the entire circumference of the tire without providing an air stirrer.
- Example 1 as shown in FIG. 2, an air agitating portion formed by discontinuing the sound absorbing material is provided at one location on the tire circumference, and the tire circumferential direction length L of the air agitating portion is set to the height H of the sound absorbing material. Tripled. Moreover, the planar view shape of the air stirring part was made into the rectangle like FIG.
- Example 2 as shown in FIG. 7, the air agitating portion formed by the sound absorbing material being interrupted is provided at three locations on the tire circumference, and the tire circumferential direction length L of the air agitating portion is set to the height H of the sound absorbing material. Tripled. Moreover, the planar view shape of the air stirring part was made into the rectangle like FIG.
- Example 3 as shown in FIG. 7, the air agitating portions formed by the sound absorbing material being interrupted are provided at three locations on the tire circumference, and the tire circumferential direction length L of the air agitating portion is set to the height H of the sound absorbing material. Three times, four times, and five times were made different from each other. Moreover, the planar view shape of the air stirring part was made into the rectangle like FIG.
- Example 4 as shown in FIG. 7, the air agitating portion formed by the sound absorbing material being interrupted is provided at three locations on the tire circumference, and the tire circumferential direction length L of the air agitating portion is set to the height H of the sound absorbing material. Tripled.
- the shape of the air agitating unit in plan view was a parallelogram as shown in FIG.
- the cross-sectional shape in the cross section orthogonal to the longitudinal direction of the sound absorbing material was a rectangle, and the cross-sectional shape was constant along the tire circumferential direction.
- the ratio of the volume of the sound absorbing material to the volume of the cavity formed in the tire when assembling the rim was 30%.
- the sound absorbing material had a hardness of 80 N and the sound absorbing material had a tensile strength of 90 kPa.
- the adhesive strength for peeling off the adhesive layer was 16 N / 20 mm.
- the pneumatic tires of Comparative Example 1 and Examples 1 to 4 were assembled on wheels each having a rim size of 17 ⁇ 7 JJ, and a running test for 100 hours was performed with a drum tester under conditions of an air pressure of 150 kPa, a load of 5 kN, and a speed of 150 km / h. Then, the presence or absence of adhesion peeling of the sound absorbing material was visually confirmed.
- a running test was carried out with a drum tester under the same running conditions as above, and the sound absorbing material was checked for adhesion peeling every 10 hours until the peeling occurred. The distance was determined.
- the evaluation result of the anti-adhesion peeling property was shown as an index with Comparative Example 1 as 100. The larger the index value, the better the adhesion peel resistance. The results are shown in Table 1.
- Example 2 An example having the same structure as that of Example 2 except that the hardness of the sound absorbing material, the tensile strength of the sound absorbing material, the peeling adhesive strength of the adhesive layer, and the length L in the tire circumferential direction of the air agitating part were varied. Five to twelve tires were prepared.
- Example 2 As shown in Table 2, in the tires of Examples 5 to 8 in which the hardness of the sound absorbing material, the tensile strength of the sound absorbing material, and the adhesive strength of the adhesive layer were changed, as in Example 2, the running time was 100 hours. Later, no peeling-off of the sound absorbing material was observed. Further, as is clear from the comparison between Example 2 and Examples 9 to 12, it is possible to effectively improve the adhesion peeling resistance by optimizing the length L in the tire circumferential direction of the air stirring portion. I understand.
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- Engineering & Computer Science (AREA)
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Abstract
Description
2 ビード部
3 サイドウォール部
4 タイヤ内面
5 接着層
6 吸音材
7 空洞部
8 空気攪拌部
9 電子デバイス
Claims (12)
- 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、タイヤ内面の前記トレッド部に対応する領域にタイヤ周方向に沿って接着層を介して帯状の吸音材を接着した空気入りタイヤにおいて、タイヤ周上の少なくとも1箇所に前記吸音材が途切れて形成された空気攪拌部を設けたことを特徴とする空気入りタイヤ。
- 前記空気攪拌部をタイヤ周上の複数箇所に設けたことを特徴とする請求項1に記載の空気入りタイヤ。
- 前記空気攪拌部をタイヤ周上の3~5箇所に設けたことを特徴とする請求項1に記載の空気入りタイヤ。
- 前記空気攪拌部のタイヤ周方向長さを互いに異ならせたことを特徴とする請求項2又は3に記載の空気入りタイヤ。
- 前記空気攪拌部のタイヤ周方向長さが前記吸音材の高さの0.5倍~10倍の範囲にあ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。
- 前記吸音材はタイヤ周方向に延在する単一の吸音材であり、その長手方向に直交する断面において少なくとも前記接着面に対応する範囲では均一な厚さを有し、その断面形状が長手方向に沿って一定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。
- リム組み時にタイヤ内に形成される空洞部の体積に対する前記吸音材の体積の比率が20%よりも大きい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。
- 前記吸音材の硬さが60N~170Nであり、前記吸音材の引張り強度が60kPa~180kPaであることを特徴とする請求項1~7のいずれかに記載の空気入りタイヤ。
- 前記接着層は両面接着テープからなり、その引き剥がし粘着力が8N/20mm~40N/20mmの範囲にあることを特徴とする請求項1~8のいずれかに記載の空気入りタイヤ。
- 前記空気攪拌部に電子デバイスを設置したことを特徴とする請求項1~9のいずれかに記載の空気入りタイヤ。
- 前記吸音材が連続気泡を有する多孔質材料から構成されることを特徴とする請求項1~10のいずれかに記載の空気入りタイヤ。
- 前記多孔質材料が発泡ポリウレタンであることを特徴とする請求項11に記載の空気入りタイヤ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN201480062532.6A CN105722692B (zh) | 2013-11-21 | 2014-11-21 | 充气轮胎 |
US15/038,331 US10286737B2 (en) | 2013-11-21 | 2014-11-21 | Pneumatic tire |
DE112014005324.4T DE112014005324T5 (de) | 2013-11-21 | 2014-11-21 | Luftreifen |
JP2015528778A JP6607037B2 (ja) | 2013-11-21 | 2014-11-21 | 空気入りタイヤ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013241358 | 2013-11-21 | ||
JP2013-241358 | 2013-11-21 |
Publications (1)
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WO2015076381A1 true WO2015076381A1 (ja) | 2015-05-28 |
Family
ID=53179640
Family Applications (1)
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PCT/JP2014/080947 WO2015076381A1 (ja) | 2013-11-21 | 2014-11-21 | 空気入りタイヤ |
Country Status (5)
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US (1) | US10286737B2 (ja) |
JP (3) | JP6607037B2 (ja) |
CN (2) | CN107253428B (ja) |
DE (1) | DE112014005324T5 (ja) |
WO (1) | WO2015076381A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3248813A1 (en) * | 2016-05-27 | 2017-11-29 | Kumho Tire Co., Inc. | Resonance noise reduction tire having sound absorbing material mounted therein |
JP2019217840A (ja) * | 2018-06-18 | 2019-12-26 | 株式会社ブリヂストン | 建設車両用タイヤ |
JP2019217916A (ja) * | 2018-06-20 | 2019-12-26 | 株式会社ブリヂストン | 建設車両用タイヤ |
WO2020022158A1 (ja) * | 2018-07-24 | 2020-01-30 | 横浜ゴム株式会社 | 空気入りタイヤ |
WO2020022159A1 (ja) * | 2018-07-24 | 2020-01-30 | 横浜ゴム株式会社 | 空気入りタイヤ |
WO2020250834A1 (ja) * | 2019-06-12 | 2020-12-17 | 株式会社ブリヂストン | 空気入りタイヤ及び空気入りタイヤの製造方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US10286737B2 (en) * | 2013-11-21 | 2019-05-14 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
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Also Published As
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US10286737B2 (en) | 2019-05-14 |
JPWO2015076381A1 (ja) | 2017-03-16 |
JP6607037B2 (ja) | 2019-11-20 |
JP2019085107A (ja) | 2019-06-06 |
JP2019214375A (ja) | 2019-12-19 |
CN105722692B (zh) | 2017-07-11 |
CN107253428B (zh) | 2020-03-10 |
DE112014005324T5 (de) | 2016-08-04 |
US20160288587A1 (en) | 2016-10-06 |
CN105722692A (zh) | 2016-06-29 |
CN107253428A (zh) | 2017-10-17 |
JP6838629B2 (ja) | 2021-03-03 |
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