WO2006118200A1 - 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 - Google Patents
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 Download PDFInfo
- Publication number
- WO2006118200A1 WO2006118200A1 PCT/JP2006/308851 JP2006308851W WO2006118200A1 WO 2006118200 A1 WO2006118200 A1 WO 2006118200A1 JP 2006308851 W JP2006308851 W JP 2006308851W WO 2006118200 A1 WO2006118200 A1 WO 2006118200A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sound absorbing
- noise reduction
- absorbing material
- reduction device
- band member
- Prior art date
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Classifications
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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
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10036—Cushion and pneumatic combined
- Y10T152/10054—Enclosed cushion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
Definitions
- Noise reduction device manufacturing method thereof, and pneumatic tire provided with noise reduction device
- the present invention relates to an apparatus for reducing cavity resonance generated in a pneumatic tire. More specifically, the present invention improves the adhesion of a sound-absorbing material that also has a porous material force, and further shortens the processing time.
- the present invention relates to a noise reduction device that can be shrunk, a manufacturing method thereof, and a pneumatic tire including the noise reduction device.
- one of the causes for generating noise is cavity resonance sound due to vibration of air filled in the tire. This 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 for obtaining a sound absorbing effect is attached to an annular band member, and the object is attached to the tire inner surface in the tread portion based on the elastic force of the band member (for example, patent Reference 2). If such a method is adopted, the sound absorbing material can be easily attached to the tire inner surface. However, for example, when a sound-absorbing material having a porous material force such as polyurethane foam is fixed to the band member using an adhesive or an adhesive tape, the porous material is included in the adhesive or the adhesive tape. When it reacts with components and decomposes, the adhesiveness of the sound absorbing material may decrease.
- the method of fixing the sound absorbing material with the band member has an advantage that the sound absorbing material can be easily attached to the inner surface of the tire, but is insufficient in terms of durability. Further, when the sound absorbing material is bonded to the band member with an adhesive, the adhesive There is a disadvantage that it takes a long time to solidify.
- Patent Document 1 Japanese Patent Application Laid-Open No. 64-78902
- Patent Document 2 Japanese Unexamined Patent Publication No. 2003-226104
- An object of the present invention is to provide a noise reduction device, a manufacturing method thereof, and a noise reduction device that can improve the adhesion of a sound-absorbing material having a porous material force and further reduce the processing time.
- the object is to provide a pneumatic tire provided.
- a noise reduction device for solving the above-mentioned object is a noise reduction device including a sound absorbing material such as a porous material and a band member for mounting the sound absorbing material on an inner surface of a tire.
- the band member is made of thermoplastic resin, while the sound absorbing material is disposed between the band member and a thermoplastic resin-made locking member, and the locking member is passed through the sound absorbing material to the band. It is characterized by being thermally fused to the member.
- a method of manufacturing a noise reduction device of the present invention for solving the above-described object includes a noise absorbing material having a porous material force, and a noise provided with a band member for mounting the sound absorbing material on the tire inner surface.
- the band member is made of a thermoplastic resin, the sound absorbing material is disposed between the band member and a thermoplastic resin locking member, and the locking member is passed through the sound absorbing material. It is characterized by being thermally fused to the band member.
- the band member is made of thermoplastic resin, while the sound absorbing material is disposed between the band member and the thermoplastic resin locking member, and the locking member is used as the sound absorbing material.
- the constituent material of the band member and the constituent material of the locking member are the same kind of thermoplastic resin.
- polypropylene is preferable.
- the porous material of the sound absorbing material is preferably foamed polyurethane. That is, polyurethane foam is suitable as a constituent material of a sound absorbing material because it exhibits good sound absorbing characteristics.
- the locking member may be plate-shaped or may have a bottomed cylindrical shape.
- the bottomed cylindrical locking member has an advantage that it is difficult to damage the sound absorbing material made of a porous material.
- a through hole can be provided in advance at the position where the sound absorbing material is locked by the locking member.
- the sound absorbing material is preferably held in a compressed state by the locking member when the locking member is heat-sealed to the band member through the through hole. As a result, the movement of the sound absorbing material can be suppressed.
- the end of the sound absorbing material is pressed with a fastener made of thermoplastic resin, and the fastener is heat-sealed to the band member, the end of the sound absorbing material is suppressed and the portion is prevented from being broken. can do.
- the width of the locking member is set to 90 to 300% of the width of the band member, and the width of the heat fusion part between the locking member and the band member is set to the band member. It is preferable that the non-fused portion corresponding to 5 to 20% of the width of the band member is left on both sides in the width direction of the heat-fused portion. Accordingly, the sound absorbing material can be firmly fixed to the band member while ensuring the durability of the band member.
- the heat-sealed part between the locking member and the band member should be spaced apart in the tire circumferential direction, and the distance H should be in the relationship of 0.2W ⁇ H ⁇ 4W with respect to the width W of the sound absorbing material. Is preferred. As a result, good durability can be secured with a minimum amount of heat.
- an ultrasonic welder for heat fusion between the locking member and the band member.
- the locking member and the band member can be locally heated, so that the balance between workability and durability is excellent.
- the ultrasonic welding machine is effective when the constituent material of the band member and the constituent material of the locking member are polypropylene.
- a vibration horn with chamfered edges at both ends in the width direction is used as a vibration horn for an ultrasonic welder, the whitening phenomenon can be prevented from occurring in the locking member and durability can be improved. Further improvement.
- a pneumatic tire provided with the above-described noise reduction device in the cavity is provided.
- excellent noise based on the sound absorbing material of the noise reduction device A reduction effect can be obtained, and a noise reduction effect can be maintained for a long time.
- ⁇ 1 A perspective cross-sectional view showing a pneumatic tire which is also 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.
- FIG. 4 is a perspective view showing an example of a vibration horn of an ultrasonic welder.
- FIG. 5 is a perspective view showing another example of a vibration horn of an ultrasonic welder.
- FIG. 6 is a perspective view showing another example of a vibration horn of an ultrasonic welder.
- FIG. 7 is a front view of the vibration horn shown in FIG.
- FIG. 8 is a cross-sectional view showing a heat-sealing structure of the locking member.
- FIG. 10 is a cross-sectional view showing a sound-absorbing material provided with cuts in advance.
- FIG. 11 is a plan view showing a state where the noise reduction device is developed on a plane.
- FIG. 12 is a plan view showing details of the noise reduction device.
- FIG. 13 is a cross-sectional view showing a state in which a modification of the noise reduction device is developed on a plane.
- FIG. 14 is a cross-sectional view showing a modified example of the noise reduction device developed on a plane.
- FIG. 15 is a plan view showing a state in which a modification of the noise reduction device is developed on a plane.
- FIG. 16 is a plan view showing a state in which a modification of the noise reduction device is developed on a plane.
- FIG. 17 is a perspective view showing a modification of the noise reduction device.
- a noise reduction device using a cylindrical locking member is shown, (a) is a perspective view showing a state before heat fusion, (b) is a perspective view showing a state after heat fusion. It is.
- FIG. 20 A noise reduction device using a frustoconical cylindrical locking member is shown, (a) is a perspective view showing a state before heat fusion, and (b) is a perspective view showing a state after heat fusion.
- FIG. 20 A noise reduction device using a frustoconical cylindrical locking member is shown, (a) is a perspective view showing a state before heat fusion, and (b) is a perspective view showing a state after heat fusion.
- FIG. 22 is a perspective view showing a noise reduction device using a fastener for suppressing the end of the sound absorbing material.
- FIG. 23 is a perspective view showing a noise reduction device using a fastener for suppressing an end portion of a sound absorbing material.
- FIG. 24 is a perspective view showing a noise reduction device using a fastener for suppressing an end portion of a sound absorbing material.
- FIG. 25 is a perspective view showing a noise reduction device using a fastener for suppressing an end of a sound absorbing material.
- FIG. 26 is a side view showing a noise reduction device using a fastener that suppresses an end of a sound absorbing material.
- FIG. 27 shows an example of a heat fusion method between a fastener and a band member, and (a) and (b) are side views of the respective steps.
- FIG. 28 shows another example of the method of heat-sealing the fastener and the band member, and (a) and (b) are side views of the respective steps.
- FIG. 1 shows a pneumatic tire according to an embodiment of the present invention
- FIG. 2 shows a noise reduction device that also has the power of an embodiment of the present invention
- the pneumatic tire includes a tread portion 1, a pair of left and right bead portions 2, and a side wall portion 3 that connects the tread portion 1 and the bead portion 2 to each other.
- the ring-shaped noise reduction device 4 shown in FIG. 2 is attached to the inner surface of the tread portion 1.
- the noise reduction device 4 includes a sound absorbing material 5 made of a porous material, and a band member 6 for mounting the sound absorbing material 5 on the tire inner surface.
- the sound absorbing material 5 has a large number of internal cells and has predetermined sound absorbing characteristics based on its porous structure.
- the porous material of the sound absorbing material 5 it is preferable to use foamed polyurethane.
- the band member 6 is formed in an annular shape so as to continuously extend in the tire circumferential direction. The band member 6 holds the sound absorbing material 5 on the tire inner surface based on the elastic restoring force.
- the noise reduction device 4 configured in this manner is detachable from a normal pneumatic tire, and the detachment work is easy.
- the band member 6 is made of thermoplastic resin. Furthermore, a plate-like locking member 7 (locking plate or locking chip) made of thermoplastic resin is used. That is, the sound absorbing material 5 includes a band member 6 and a locking member 7 made of thermoplastic resin. The locking member 7 is heat-sealed to the band member 6 through the sound absorbing material 5.
- the constituent material of the band member 6 and the constituent material of the locking member 7, the same kind of thermoplastic resin for example, polypropylene may be used.
- FIGS. 3A to 3C show an example of a method of heat-sealing the locking member and the band member.
- the sound absorbing material 5 is disposed between the band member 6 and the plate-like engaging member 7 made of thermoplastic resin.
- the vibration horn 11 of the ultrasonic welder is pressed against the locking member 7, so that the locking member 7 is bent, and the bent tip portion is Is heated locally.
- the locking member 7 and the band member 6 are heat-sealed through the sound absorbing material 5 to form a heat-sealing portion 8.
- the shape of the vibration horn 11 is not particularly limited.
- a shape as shown in Figs. 4 to 6 should be adopted. You can.
- the vibration horn 11 is processed into a straight line with a sharp tip.
- the vibration horn 11 is machined into an elongated rectangular surface at the tip.
- the excitation horn 11 has a tip that is processed into a long and narrow rectangular surface, and chamfered portions 11a are formed at both ends in the width direction of the tip.
- FIG. 7 is a side view of the vibration horn shown in FIG.
- the radius of curvature of the chamfered part 11a is preferably 2 mm or more.
- the size and shape of the locking member 7 are not particularly limited.
- the shape of the locking member 7 may be, for example, a quadrangle, and in that case, the corner may be rounded. Thereby, damage to the sound absorbing material 5 due to the locking member 7 can be reduced.
- the clearance C between the end of the locking member 7 and the upper surface of the sound absorbing material 5 is 0.5 mm ⁇ C ⁇ 8. Omm is preferred. If the clearance C is less than 0.5 mm, the sound absorbing material 5 is liable to be damaged by the locking member 7. On the contrary, if the clearance C exceeds 8. Omm, no further effect is obtained.
- the sound absorbing material 5 may be provided with a notch 5a as shown in FIG. 9 or a cut 5b as shown in FIG.
- the band member 6 is made of a thermoplastic resin while absorbing. Since the sound material 5 is disposed between the band member 6 and the locking member 7 made of thermoplastic resin, and the locking member 7 is heat-sealed to the band member 6 through the sound absorbing material 5, Even when the material 5 is made of a thermosetting resin such as foamed polyurethane, the sound absorbing material 5 can be firmly fixed to the band member 6. Fixing by heat fusion, unlike fixing by adhesive or adhesive tape, can improve the adhesion of the sound absorbing material 5 as a porous material that does not cause a decrease in the adhesive force due to decomposition reaction. . In addition, since the heat fusion treatment is completed in a shorter time than the treatment with the adhesive, the processing time of the noise reduction device 4 can be shortened.
- FIG. 11 shows a state in which the noise reduction device is developed on a plane.
- the heat-sealed portion 8 between the locking member 7 and the band member 6 is arranged with a gap (pitch) in the tire circumferential direction, and the gap H is set to the width W of the sound-absorbing material 5. 0. 2W ⁇ H ⁇ 4W. 0.
- H workability at the time of heat-sealing deteriorates.
- H> 4W the joining state of the sound absorbing material 5 to the band member 6 becomes unstable. Note that the positions of the heat-sealed portions 8 do not necessarily have to be equidistant.
- FIG. 12 shows details of the noise reduction device.
- the width Wt of the locking member 7 is set to 90 to 300% of the width Wb of the band member 6, and the width Wm of the heat fusion part 8 between the locking member 7 and the band member 6 is set to the band. It is narrower than the width Wb of the member 6, leaving the non-fused portions on both sides in the width direction of the heat-fused portion 8, and the width Wx of each non-fused portion is 5 to 20% of the width Wb of the band member 6 It is good to make it. If the width Wt of the locking member 7 is less than 90% of the width Wb of the band member 6, the sound-absorbing material 5 is not sufficiently fixed.
- the strength of the band member 6 in which the width Wx of the non-fused portion is less than 5% of the width Wb of the band member 6 is insufficient, and conversely, if the width Wx exceeds 20%, the sound absorbing material 5 is not sufficiently fixed.
- the thickness of the locking member 7 may be in the range of 20 to 150% of the thickness of the band member.
- FIG. 13 and FIG. 14 show a state in which variations of the noise reduction device are respectively developed on a plane.
- the locking member 7 extends continuously along the band member 6.
- the locking member 7 is fixed to the band member 6 via a plurality of heat fusion portions 8.
- the locking member 7 continuously extends along the band member 6 as in FIG. 13, but the length of the locking member 7 is given a margin.
- FIG. 15 and FIG. 16 show a state in which variations of the noise reduction device are developed on a plane.
- the sound absorbing material 5 may be composed of a plurality of divided pieces, and these divided pieces may be arranged along the longitudinal direction of the band member 6. In this case, it is preferable to heat-seal each divided piece of the sound absorbing material 5 to the band member 6 at at least two places.
- FIG. 17 shows a further modification of the noise reduction device.
- the illustration of the sound absorbing material is omitted in FIG.
- the plate-like locking member 7 is heat-sealed to the band member 6, but the heat-fused portion 8 is formed obliquely with respect to the longitudinal direction of the band member 6. In this case, since the heat fusion part 8 becomes long, durability can be improved.
- FIGS. 18 (a) and 18 (b) show a further modification of the noise reduction device.
- the sound absorbing material 5 is disposed between the band member 6 and the locking member 17 made of thermoplastic resin, and the locking member 17 passes through the sound absorbing material 5 to the band member 6. On the other hand, it is heat-sealed.
- the locking member 17 has a bottomed cylindrical shape and is provided with a flange on the open end side. On the other hand, a through hole 5c that matches the shape of the locking member 17 is formed in advance at the locking position of the sound absorbing material 5 by the locking member 17.
- the cylindrical locking member 17 having sharp edges and corners is used in this way, the sound absorbing material 5 such as a porous material is hardly damaged.
- FIGS. 19 (a) and 19 (b) show an example of a method for heat-sealing a cylindrical locking member and a band member.
- a cylindrical locking member 17 is inserted into the through hole 5c of the sound absorbing material 5, and the vibration horn 21 of the ultrasonic welder is attached to the bottom of the locking member 17. Press and heat the bottom locally. The pressure surface of the vibration horn 21 is circular. Accordingly, as shown in FIG. 19 (b), the locking member 17 and the band member 6 are heat-sealed through the sound absorbing material 5. At this time, the sound absorbing material 5 is preferably held in a compressed state by the locking member 17.
- the ratio (HbZHa) between the height Ha of the sound absorbing material 5 in the natural state and the height Hb of the compressed portion (HbZHa) is preferably 0.8 or less, and more preferably 0.5 or less.
- FIGS. 20 (a) and 20 (b) show a further modification of the noise reduction device.
- Fig. 20 (a), (b) the sound absorbing material 5 is disposed between the band member 6 and the locking member 27 made of thermoplastic resin, and the locking member 27 is heat-sealed to the band member 6 through the sound absorbing material 5.
- the locking member 27 has a bottomed truncated cone shape, and the diameter of the open end side is larger than the diameter of the bottom side.
- a through hole 5d is formed in advance at a position where the sound absorbing material 5 is locked by the locking member 27, which is slightly narrower than the locking member 27. In this way, when the trapezoidal frustum-shaped cylindrical locking member 27 having no sharp edges or corners is used, the sound absorbing material 5 made of a porous material is hardly damaged.
- FIGS. 21 (a) and 21 (b) show an example of a method for heat-sealing a frustoconical cylindrical locking member and a band member.
- a frustoconical cylindrical locking member 27 is inserted into the through hole 5d of the sound absorbing material 5, and the vibration welding horn 21 of the ultrasonic welder is connected to the bottom of the locking member 27. And heat the bottom locally.
- the locking member 27 and the band member 6 are heat-sealed through the sound absorbing material 5.
- the sound absorbing material 5 is preferably held in a compressed state by the locking member 27.
- the ratio (HbZHa) between the height Ha of the sound absorbing material 5 in the natural state and the height Hb of the compressed portion (HbZHa) is preferably 0.8 or less, and more preferably 0.5 or less.
- FIGS. 22 to 26 each show a further modification of the noise reduction device.
- the end of the sound-absorbing material 5 is pressed by a fastener 31 made of thermoplastic resin, and the fastener 31 is heat-sealed to the band member 6.
- the shape of the fastener 31 is not particularly limited, and can be various shapes as illustrated. Since the end of the sound-absorbing material 5 is exposed during the rolling of the tire, the sound absorbing material 5 can be prevented from being broken by restraining the movement of the portion with the fastener 31. Further, as shown in FIG. 26, it is preferable to leave a gap between the fastener 31 and the sound absorbing material 5. Thereby, interference between the fastener 31 and the sound absorbing material 5 can be avoided.
- FIGS. 27A and 27B show an example of a method for heat-sealing the fastener and the band member.
- the fastener 31 one having an angle larger than the inclination angle of the side wall of the sound absorbing material 5 can be used.
- the fastener 31 holds the sound absorbing material 5 in a compressed state.
- FIGS. 28 (a) and 28 (b) show another example of the method of heat-sealing the fastener and the band member.
- a simple flat plate may be used as the fastener 31.
- the fastener 31 when the fastener 31 is heat-sealed to the band member 6, the fastener 31 holds the sound absorbing material 5 in a compressed state while being elastically deformed.
- the noise reduction devices of the conventional example and Examples 1 and 2 were manufactured.
- the conventional noise reduction device uses a band-shaped urethane foam (width 150 mm x thickness 20 mm) as an adhesive to a polypropylene band member (width 20 mm x thickness 2 mm x tire inner circumference).
- the band member is fixed and formed into an annular shape.
- a plate-like locking member made of polypropylene is arranged at intervals of about 200 mm along the length direction with respect to a sound absorbing material made of a strip-like urethane foam (width 150 mm ⁇ thickness 20 mm), The locking member is heat-sealed to a polypropylene band member (width 20mm x thickness 2mm x inner circumference of the tire) using an ultrasonic welder.
- the noise reduction device of Example 2 was the same as Example 1 except that a frustoconical cylindrical locking member was used.
- the noise reduction devices of the conventional example and Examples 1 and 2 were respectively attached to pneumatic tires having a tire size of 215Z55R 16, and were run on a drum tester under conditions of an internal pressure of 150 kPa and a speed of 80 kmZh. The travel distance until peeling occurred was measured. The results are shown in Table 1. The evaluation results are shown as an index with the conventional example as 100. The larger the index value, the better the durability.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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CN200680014347A CN100594140C (zh) | 2005-04-28 | 2006-04-27 | 噪音降低装置及其制造方法、以及具备噪音降低装置的充气轮胎 |
DE112006001015.8T DE112006001015B4 (de) | 2005-04-28 | 2006-04-27 | Geräuschreduktionsvorrichtung, Herstellungsverfahren für die Geräuschreduktionsvorrichtung und Luftreifen, welcher die Geräuschreduktionsvorrichtung aufweist |
US11/919,183 US8342289B2 (en) | 2005-04-28 | 2006-04-27 | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
US13/711,121 US8915272B2 (en) | 2005-04-28 | 2012-12-11 | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
US13/711,171 US8910681B2 (en) | 2005-04-28 | 2012-12-11 | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005-131939 | 2005-04-28 | ||
JP2005131939A JP4175479B2 (ja) | 2005-04-28 | 2005-04-28 | 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 |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/919,183 A-371-Of-International US8342289B2 (en) | 2005-04-28 | 2006-04-27 | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
US13/711,171 Division US8910681B2 (en) | 2005-04-28 | 2012-12-11 | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
US13/711,121 Division US8915272B2 (en) | 2005-04-28 | 2012-12-11 | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
Publications (1)
Publication Number | Publication Date |
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WO2006118200A1 true WO2006118200A1 (ja) | 2006-11-09 |
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ID=37307998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/308851 WO2006118200A1 (ja) | 2005-04-28 | 2006-04-27 | 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 |
Country Status (5)
Country | Link |
---|---|
US (3) | US8342289B2 (ja) |
JP (1) | JP4175479B2 (ja) |
CN (1) | CN100594140C (ja) |
DE (1) | DE112006001015B4 (ja) |
WO (1) | WO2006118200A1 (ja) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
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US8342289B2 (en) | 2005-04-28 | 2013-01-01 | The Yokohama Rubber Co., Ltd. | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
GB2496427A (en) * | 2011-11-11 | 2013-05-15 | Bentley Motors Ltd | Vehicle wheel |
US8505677B2 (en) | 2005-04-28 | 2013-08-13 | The Yokohama Rubber Co, Ltd. | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
US8567464B2 (en) | 2005-04-25 | 2013-10-29 | The Yokohama Rubber Co., Ltd. | Low noise pneumatic tire |
US8997806B2 (en) | 2008-06-20 | 2015-04-07 | The Yokohama Rubber Co., Ltd. | Tire noise reduction device |
US8997805B2 (en) | 2005-04-28 | 2015-04-07 | The Yokohama Rubber Co., Ltd. | Pneumatic tire and method of manufacturing the same |
US10384494B2 (en) | 2014-06-24 | 2019-08-20 | The Yokohama Rubber Co., Ltd. | Tire noise reduction device and pneumatic tire |
US10384495B2 (en) | 2014-06-24 | 2019-08-20 | The Yokohama Rubber Co., Ltd. | Tire noise reduction device and pneumatic tire |
US10668776B2 (en) | 2014-08-22 | 2020-06-02 | The Yokohama Rubber Co., Ltd. | Noise reduction apparatus and pneumatic tire provided with same |
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US8567464B2 (en) | 2005-04-25 | 2013-10-29 | The Yokohama Rubber Co., Ltd. | Low noise pneumatic tire |
US8905099B2 (en) | 2005-04-25 | 2014-12-09 | The Yokohama Rubber Co., Ltd. | Low noise pneumatic tire |
US8997805B2 (en) | 2005-04-28 | 2015-04-07 | The Yokohama Rubber Co., Ltd. | Pneumatic tire and method of manufacturing the same |
US9211685B2 (en) | 2005-04-28 | 2015-12-15 | The Yokohama Rubber Co., Ltd. | Pneumatic tire and method of manufacturing the same |
US8505677B2 (en) | 2005-04-28 | 2013-08-13 | The Yokohama Rubber Co, Ltd. | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
US8910681B2 (en) | 2005-04-28 | 2014-12-16 | The Yokohama Rubber Co., Ltd. | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
US8915272B2 (en) | 2005-04-28 | 2014-12-23 | The Yokohama Rubber Co., Ltd. | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
US8342289B2 (en) | 2005-04-28 | 2013-01-01 | The Yokohama Rubber Co., Ltd. | Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device |
US8997806B2 (en) | 2008-06-20 | 2015-04-07 | The Yokohama Rubber Co., Ltd. | Tire noise reduction device |
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US10384495B2 (en) | 2014-06-24 | 2019-08-20 | The Yokohama Rubber Co., Ltd. | Tire noise reduction device and pneumatic tire |
US10668776B2 (en) | 2014-08-22 | 2020-06-02 | The Yokohama Rubber Co., Ltd. | Noise reduction apparatus and pneumatic tire provided with same |
US10800214B2 (en) | 2014-08-22 | 2020-10-13 | The Yokohama Rubber Co., Ltd. | Noise reduction device and pneumatic tire provided with the same |
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 |
---|---|
DE112006001015T5 (de) | 2008-04-10 |
DE112006001015B4 (de) | 2019-05-09 |
US20130098522A1 (en) | 2013-04-25 |
US20130098533A1 (en) | 2013-04-25 |
JP4175479B2 (ja) | 2008-11-05 |
CN101166640A (zh) | 2008-04-23 |
US8910681B2 (en) | 2014-12-16 |
JP2006306285A (ja) | 2006-11-09 |
US8915272B2 (en) | 2014-12-23 |
US20090320980A1 (en) | 2009-12-31 |
CN100594140C (zh) | 2010-03-17 |
US8342289B2 (en) | 2013-01-01 |
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