WO2009078110A1 - 二重構造を備えたタイヤホイールおよびその取り付け方法 - Google Patents
二重構造を備えたタイヤホイールおよびその取り付け方法 Download PDFInfo
- Publication number
- WO2009078110A1 WO2009078110A1 PCT/JP2007/074778 JP2007074778W WO2009078110A1 WO 2009078110 A1 WO2009078110 A1 WO 2009078110A1 JP 2007074778 W JP2007074778 W JP 2007074778W WO 2009078110 A1 WO2009078110 A1 WO 2009078110A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tire
- wheel
- tubeless
- plate
- inner tire
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/01—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional inflatable supports which become load-supporting in emergency
-
- 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
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
-
- 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
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
-
- 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
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
- B60C17/06—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient
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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
- Y10T152/10495—Pneumatic tire or inner tube
- Y10T152/10522—Multiple chamber
- Y10T152/10576—Annular chambers
- Y10T152/10594—Mutually free walls
Definitions
- the present invention relates to a tire wheel having a double structure.
- it is applied to automobile tires for passenger cars, trucks, buses, etc., and tires for aircraft and special vehicles.
- the present invention relates to a tire wheel having a double structure in which the steering wheel control is somewhat disturbed until the vehicle stops when a tire mounted on the vehicle punctures.
- Tubeless tires are the mainstream for automobile tires.
- the basic structure of a tubeless tire is shown in Fig. 31.
- a pair of side walls 2 are provided in the radial direction of the tire from both ends of the tread 1 formed in an annular shape, and the end thereof is a bead base 3, to which a wheel 5 having a rim valve 4 is attached. ing.
- runflat tires are known in the prior art that are designed to run a certain distance even when punctured.
- a runflat tire is a tire that can travel for a certain distance even if the tire collapses due to a decrease in tire air pressure due to puncture.
- the tire side wall is used as the first conventional runflat tire.
- sidewall-reinforced runflat tires have a thick sidewall that plays a role in absorbing vibration from the road surface to increase the structural strength, which reduces the vibration absorption capacity and affects ride comfort.
- it has the disadvantages of reducing fuel consumption and increasing weight.
- Japanese Patent Application Laid-Open No. 7-2 7 6 9 31, Japanese Patent Application Publication No. 2 0 0 2 0 9 6 6 1 3 and the like disclose the technology of this core type runflat tire. is there.
- the core is temporarily supported by the core at the time of puncture, so naturally the diameter of the core needs to be larger than the diameter of the wheel.
- Patent Document 1 Japanese Patent Laid-Open No. 7-2 7 6 9 3 1
- Patent Document 2 Japanese Patent Laid-Open No. 2 0 0 2-0 9 6 6 1 3 Disclosure of Invention
- the core type runflat tire is intended to allow a certain degree of handle control until the vehicle stops even if the tire mounted while the vehicle is running as described above.
- the problem is that the tire mounting method is difficult with conventional core-type flat tires.
- Japanese Patent Laid-Open No. 2 0202 _ 0 9 6 6 1 3 states that it is difficult to attach a tubeless tire to the outside while the core is attached to the wheel. And point out the problems.
- the core is not formed as a single ring-shaped object, but is divided into 2 to 6 parts in advance. It is a double structure consisting of an inner periphery and an outer periphery, and the inner periphery of the core is fixed to the wheel.
- the mounting method disclosed in Japanese Unexamined Patent Publication No. 2 0 0 2-0 9 6 6 1 3 is to fit one side of the wheel into the tire and then tilt the wheel slightly to face the outside of the tire. Then, repeat the procedure of attaching the core that is divided into the inclined parts, and then removing the wheel of the other part and then attaching the cores. It is a way to go.
- the core is fixed to the wheel with bolts.
- the present invention is a core-type tubeless tire that allows a certain degree of handle control even when a tire mounted while traveling in a vehicle is punctured, and to a wheel.
- An object of the present invention is to provide a core type tubeless tire that can be easily mounted. Means for solving the problem
- a tire wheel having a first double structure is provided with a flange, a bead seat for attaching a bead portion of a tubeless tire, and a diameter smaller than that of the flange.
- a storage unit an inner tire that can be stored in the storage unit; a first rim valve that adjusts the air pressure of the tubeless tire; and a second rim valve that adjusts the air pressure of the inner tire. Equipped with a wheel and tubeless tire,
- the bottom portion of the inner tire is made of a thick and strong rubber material, and the shape of the bottom portion of the inner tire is a shape that fits with the protruding shape on the side surface near the bottom of the storage portion, and by fitting both A tire wheel having a double structure, characterized in that the inner tire cannot be detached from the well even by a centrifugal force caused by rotation of the inner tire.
- the inner tire -Since it is stored in the storage compartment of the tire, it is possible to temporarily inflate the vehicle weight due to the structural strength of the inner tire during puncture by inflating the inner tire without disturbing the mounting of the tubeless tire on the wheel. Can be supported.
- the material of the inner tire is an inflatable material, and air is injected into the inner tire through the second rim valve until a predetermined air pressure is reached, and the inner tire is inserted into the tubeless tire. It is preferable that the diameter of the inner tire is larger than the diameter of the flange in a state where the inner tire is inflated.
- the inner tire diameter is larger than the flange diameter, and when the car is punctured, the car body is temporarily supported by the inner tire to reduce the inclination of the car body, and the handle operation at the time of cranking is compared. Easy.
- various methods for inflating the inner tire For example, there are the following three methods.
- the first method is a method in which a material having elasticity is adopted as the material of the inner tire, and it is inflated by filling with air.
- the second method is configured so that a hard material such as hard rubber is intermittently provided on the surface of the elastic material as the material of the inner tire so that it can be folded by a so-called bellows method. It is a method of inflating by filling with air.
- the third method uses a soft material (for example, a reinforced fiber material such as glass fiber) that does not have elasticity as the material of the inner tire, and fills the air from a state where the air has been deflated and deflated. This is a method of inflating.
- a soft material for example, a reinforced fiber material such as glass fiber
- the inner tire is made of rubber, plastic, fiber, a combination thereof, or a combination of structural reinforcement materials. It is preferred to be.
- a tire wheel mounting method includes a flange, a bead seat for mounting a bead portion of a tubeless tire, and the flange A storage portion provided in the well with a small diameter, an inner tire that can be stored in the storage portion, a first rim valve that adjusts the air pressure of the tubeless tire, and an air pressure for adjusting the air pressure of the inner tire
- the bottom of the inner tire is made of a thick and strong rubber material
- the shape of the bottom of the inner tire is a protrusion shape on the side surface near the bottom of the storage section
- the inner tire does not come off the well due to the centrifugal force caused by the rotation of the inner tire.
- the second rim valve includes a step of filling the inner tire and the tubeless tire with air after the tubeless tire is mounted on the bead seat with the saddle tire stored in the storage portion.
- the first procedure for adjusting the inner pressure of the inner tire to a predetermined pressure, and the second procedure for adjusting the inner pressure of the tubeless tire to a predetermined pressure with the first rim valve A tire wheel mounting method having a double structure is characterized in that the tire is inflated inside the tubeless tire.
- the first rim valve is used to reduce the internal pressure of the tubeless tire by removing air from the predetermined pressure.
- the inner pressure of the inner tire is extracted from the predetermined pressure by the second rim valve to reduce the pressure, and the inner tire is contracted by extracting the air in the first procedure. It is preferable to replace the tubeless tire by removing one tube from the tubeless tire and attaching a new tubeless tire in the reverse procedure.
- the amount of air filled in the inner tire can be set to an appropriate amount for properly inflating the inner tire as a core in the state of the tubeless tire in the panda state.
- the tire wheel having the second double structure of the present invention includes a flange, a bead seat for attaching a bead portion of a tubeless tire, a well, and an outer periphery of the well.
- a plurality of plate-like bodies that can be adjusted in the mounting angle to the well, and when the attachment angle is an angle along the outer periphery of the well, the spread of the plate-like body is reduced.
- a plate-like body whose diameter is smaller than the diameter of the flange of the rim, a wheel provided with a rim valve for adjusting the air pressure of the tubeless tire, and a tubeless tire,
- the plate-like body After mounting the tubeless tire on the bead seat with the angle of attachment of the plate-like body being an angle along the outer periphery of the well, the plate-like body is adjusted by adjusting the angle of attachment of the plate-like body to the well.
- the tubeless tire is spread so as to spread toward the outer side of the well, and is spread on the heel side of the tubeless tire, and the plate-like body is provided inside the tubeless tire on the outer side,
- the adjacent plates In a state where the shapes are arranged along the outer periphery of the well, the adjacent plates have a convex shape in one circumferential direction of the well and a concave shape in a circumferential direction opposite to the one circumferential direction.
- the convex shape and the concave shape By disposing the convex shape and the concave shape so as to correspond to each other between the shaped bodies, the length of the plate-like body in the circumferential direction of the well is increased, and the well A tire wheel having a double structure characterized in that the number of the plate-like bodies arranged on the outer periphery of the steel is increased.
- the plate-shaped body is stored in the wheel storage area, so that the mounting of the tubeless tire to the wheel is not interrupted, and then the plate-shaped body is expanded by adjusting the mounting angle. By doing so, the vehicle weight can be temporarily supported by the structural strength of the plate-like body during puncture.
- the plate-like body has a curvature along the outer periphery of the well.
- the depth of the storage portion can be reduced because the plate-like body is neatly aligned with the outer periphery of the wheel when the plate is moved along the outer periphery of the wheel.
- the material of the plate-like body is one of metal, hard plastic, hard rubber, or a combination thereof.
- the tire wheel having the double structure of the present invention may be sold as a tire wheel with a tube tire mounted on the wheel, and is used for the tire wheel having the double structure of the present invention. It is also possible to sell only wheels.
- FIG. 1 is a view schematically showing a basic configuration of a wheel portion of a tire wheel having a first double structure according to the present invention.
- FIG. 2 is a view showing a state where the inner tire shown in FIG. 1 is inflated.
- Fig. 3 is a schematic diagram showing the procedure for mounting tubeless tires on the outer circumference of the wheel.
- Fig. 4 is a schematic diagram showing the procedure for deploying the inner tire as a core in a tubeless tire.
- FIG. 5 is a view showing an example of a completed state of a tire wheel having a double structure according to the first embodiment.
- FIG. 6 is a diagram for explaining the effect when the tire is punctured.
- FIG. 7 is a diagram schematically showing a procedure for shrinking the inner tire in the tubeless tire.
- FIG. 8 is a diagram schematically showing the procedure for removing the tubeless tire.
- FIG. 9 is a diagram schematically showing a basic configuration of a wheel portion of a tire wheel provided with the first double structure of the present invention according to Example 2.
- FIG. 10 is a view showing a state where the inner tire shown in FIG. 9 is inflated.
- Fig. 11 schematically shows the procedure for installing tubeless tires.
- Fig. 12 is a schematic diagram showing the procedure for deploying the inner tire as a core in a tubeless tire.
- FIG. 13 is a view showing an example of a completed state of a tire wheel having a double structure according to the second embodiment.
- FIG. 14 is a diagram schematically showing the procedure for contracting the inner tire in the tubeless tire.
- FIG. 15 schematically shows the procedure for removing the tubeless tire.
- FIG. 16 is a diagram schematically showing a basic configuration of a wheel portion of a tire wheel having a double structure according to the third embodiment.
- FIG. 17 is a view showing a state where the inner tire shown in FIG. 16 is inflated.
- Fig. 18 schematically shows the procedure for mounting tubeless tires on the outer circumference of the wheel.
- Figure 19 shows deployment of inner tires as cores in tubeless tires It is the figure which showed the procedure to do typically.
- FIG. 20 is a view showing an example of a completed state of a tire wheel having a double structure according to the third embodiment.
- FIG. 21 is a diagram schematically showing a procedure for shrinking the inner tire in the tubeless tire.
- Fig. 22 schematically shows the procedure for removing the tubeless tire from the outer periphery of the wheel.
- FIG. 23 is a view schematically showing a basic configuration of a wheel portion of a tire wheel having a double structure according to the fourth embodiment.
- FIG. 24 is a view showing a state in which the plate-like body shown in FIG. 23 is developed.
- FIG. 25 is a diagram showing a procedure for attaching a tubeless tire to a wheel according to the fourth embodiment.
- FIG. 26 is a diagram schematically showing a procedure for developing the plate-like body according to the fourth embodiment as a core.
- FIG. 27 is a view showing an example of the completed state of the tire wheel having the double structure according to the fourth embodiment.
- FIG. 28 is a diagram for explaining the effect when the tubeless tire is punctured.
- FIG. 29 is a diagram schematically showing a procedure for laying a plate-like body in a tubeless tire.
- FIG. 30 is a diagram schematically showing the procedure for removing the tubeless tire.
- FIG. 31 shows the basic structure of a conventional tubeless tire. BEST MODE FOR CARRYING OUT THE INVENTION
- the “tire wheel” of the present invention can be applied to tires for automobiles such as passenger cars, trucks, and buses, and tires for airplanes and special vehicles.
- passenger car tires will be described as an example, but the present invention is applied to tires for trucks, buses and other special vehicles.
- the wheel refers to a wheel including a so-called rim and an inner tire, and the entire wheel mounted with a tubeless tire is a tire wheel.
- the tire wheel of Example 1 employs a method (first method) for inflating the inner tire by adopting a stretchable material as the material for the inner tire and filling it with air. This is a configuration example.
- FIG. 1 is a diagram schematically illustrating a basic configuration of a wheel of a tire wheel according to a first embodiment
- FIG. 2 is a diagram illustrating a state in which the inner tire illustrated in FIG. 1 is inflated.
- the mounting procedure is an example, and detailed procedures such as mounting to the bead are not shown.
- FIG. 1 shows an overview of a wheel 10 of a tire wheel having a double structure according to the present invention
- FIG. 1 (a) is a front view
- FIG. 1 (b) is a longitudinal sectional view
- FIG. 1 (c) Is a side view
- FIG. 1 (d) and FIG. 1 (e) are diagrams comparing the conventional wheel rim and the wheel rim according to the present invention in an easy-to-understand manner.
- the range of the storage portion 12 in the present invention is schematically shown by hatching.
- 0 is the flange 1 1, storage section, 1 2, tubeless tire 3 attached to the wheel 1 0 1st rim valve 1 3 that adjusts the air pressure of the 0 0, for adjusting the air pressure of the inner tire 15 that will be described later Second rim valve 1 4, inner tire Has 1-5.
- illustration of other structures provided in a normal wheel is omitted.
- the bead seat is a portion having a contact point with the inner periphery of the tubeless tire 30 and includes a portion for attaching the bead portion of the tubeless tire 30 (not shown).
- the storage portion 12 is configured by dropping (shaving) the inner diameter of a conventional well, and is provided as a storage space for the inner tire 15. Since the inner diameter of the well is lowered, a large storage space can be secured as compared with the conventional wheel rim. The range of the storage section 1 2 is hatched. An inner tire 15 is stored in the storage portion 12.
- the first rim valve 1 3 and the second rim valve 1 4 may be structurally the same as ordinary rim valves, and detailed illustration thereof is omitted, but the air insertion port of the first rim valve 1 3 is omitted. Is led to a position where the air pressure can be adjusted inside the tubeless tire 30, and the air insertion port of the second rim valve 14 is led to a position where the air pressure inside the inner tire 15 described later can be adjusted.
- the inner tire 15 is made of a material that has some elasticity and structural strength, and has a ring-shaped bag structure that swells when filled with gas such as air.
- the material include thin reinforced rubber, reinforced plastic, and reinforced fiber, and glass fiber and titanium may be added to improve the structural strength.
- the inner tire 15 When the inner tire 15 is contracted, the inner tire 15 is manufactured to a size that can be accommodated in the storage portion 12.
- the inner tire 15 is inflated by being filled with air or the like by the second rim valve 14. It becomes the core of 0.
- the bottom of the inner tire 15 is made of a thick and strong rubber material, and the rubber It is devised so that it can be fixed by fitting it with a protrusion on the side near the bottom of the storage 1 2 and fixed so that it cannot be removed by centrifugal force. If the inner tire 15 is contracted in this manner and fixed to the bottom of the storage portion 12 of the wheel 10, the state shown in FIGS. 1 (a) to 1 (c) is obtained.
- FIG. 2 is a view showing an example of how the inner tire 15 is inflated.
- the inner tire 1 5. is stored in the storage portion 12 in the contracted state.
- the right side of FIG. 2 shows a state where the inner tire 15 is inflated by filling the air with the second rim valve 14. When the inner tire 15 is inflated, its diameter is larger than the diameter of the flange 11, so that it can function as a core of a tire having a double structure. .
- FIG. 3 and FIG. 4 are diagrams schematically showing a procedure for mounting the tubeless tire 30 on the outer periphery of the wheel 1 and deploying the inner tire 15 as a core.
- the outline of the tubeless tire 30 is indicated by a solid line, and the internal cross-sectional outline is indicated by a dotted line.
- the internal cross-sectional outline shape is also shown for easy understanding of the mounting relationship of the wheel 10.
- the wheel 10 of the present invention is inserted into the tubeless tire 30.
- the bead part of the tubeless tire 30 and the bead seat of the wheel 10 have the same shape and structure as before.
- the inner tire 15 is contracted and accommodated in the accommodating portion 12, and its diameter is reduced, so that it is inserted into the tube 10 of the tubeless tire 30.
- the usual normal procedure without getting in the way Can be installed.
- the tubeless tire 30 and the wheel 10 are closely fitted via the bead portion, and the tubeless tire 30 is The inside is sealed.
- the first rim valve 13 is still open and the inside of the tubeless tire 30 communicates with the outside air and the air pressure is the same as the outside air pressure.
- the inner tire 15 is inflated and deployed inside the tubeless tire 30 (first procedure).
- the expansion of the inner tire 15 is performed through the second rim valve 14.
- the second rim valve 14 allows the outside air to pass through the inside of the inner tire 15 and has a mechanism for adjusting the air pressure inside the inner tire 15 by controlling the air flow and the opening and closing of the valve. It has become.
- the air pressure inside the inner tire 15 is increased through the second rim valve 14, and the inner tire 15 is inflated and deployed inside the tubeless tire 30.
- the second rim valve 14 is closed and the inner tire 15 is sealed, and the inflated state of the inner tire 15 is maintained and fixed.
- the inner tire 15 has a diameter that is appropriate as the diameter of the core of the runflat tire.
- the air pressure inside the tubeless diamond 30 is the same as the outside pressure because the first rim valve 13 is opened.
- the air pressure of the tubeless tire 30 is adjusted.
- the air pressure inside the tubeless tire 30 is adjusted via the first rib valve 13, and then the first rim valve 13 is closed to seal the tube “restier 30 (second procedure).
- Tubeless tire 30 Fills with air until the internal pressure of the tire reaches the specified air pressure. Then, the tubeless tire 30 swells to a normal use state, and becomes suitable for running of the vehicle.
- the inner pressure of the inner tire 15 is first adjusted to the predetermined pressure by the second rim valve 14, and then the second procedure is followed by the second procedure. Adjust the internal pressure of tubeless tire 30 to the specified pressure with rim valve 1 3. According to the two-step procedure, the amount of air filled in the inner tire 15 can be set to an appropriate amount for the inner tire 15 to maintain its bulge as a core during puncture.
- the reason is as follows.
- the air pressure in the tubeless tire 30 suddenly drops from the specified pressure to the external pressure. If the inner tire 15 cannot withstand expansion due to its internal pressure, the inner tire 15 Will burst together.
- the tubeless tire 30 is at the external pressure, and the inner tire 15 is filled. This is because the amount of air is an appropriate amount to expand appropriately with respect to the external pressure.
- the inner tire 15 is also pressed and is increased to the predetermined pressure. It is somewhat deflated. However, due to the slightly deflated state, if the internal pressure of the tubeless tire 30 suddenly drops to the external pressure during a puncture, it will swell firmly with its own internal pressure and play the role of a core. Can do.
- FIG. 5 is a view showing an example of a completed state of the tire wheel 100 having the double structure according to the first embodiment, which is obtained by filling air by the above procedure.
- FIG. 5 (a) is a perspective view
- FIG. 5 (b) is a cross-sectional view thereof.
- the inner tires 1 and 5 are tubeless tires 30. It expands and expands inside.
- FIG. 6 The left side of FIG. 6 is a diagram showing a normal state, the right side is a diagram showing a state in which a conventional tubeless tire 30 is punctured, and the center is a diagram showing a state in which the tubeless tire 30 of the present invention is punctured.
- the tubeless tire 30 When the tubeless tire 30 is punctured, the tubeless tire 30 is torn and cannot support the vehicle weight and the vehicle body falls. However, the greater the vehicle body drop, the more difficult the handle operation and the greater the risk.
- the vehicle body drop In a conventional tire wheel, the vehicle body falls down from the state shown in the left figure to the state shown in the right figure. In other words, the height will drop by B, which will cause a very dangerous situation.
- the vehicle weight is temporarily supported by the inner tire 15
- the vehicle body falls from the state of the left figure to the state of the middle figure. In other words, the height will drop by A.
- the conventional tire wheel falls by height B, whereas the tire wheel 100 of the present invention only falls by height A. Even so, the decline is small and safer.
- the structural strength of the inner tire 15 that will be the core during puncture will be described.
- the outer tubeless tire 30 is not completely torn even when punctured, and temporarily remains around the wheel.
- the inner tire 15 acts as a kind of tube for the outer tubeless tire 30. In other words, it works temporarily like a tube tire.
- the outer tubeless tire 30 and the inner tire 15 allow the vehicle to run like a tube tire if it is not a long run but a short run until it stops.
- the present invention aims at this effect.
- the procedure for tire replacement will be described.
- As a feature of the present invention it is possible to replace only the outer tubeless tire 30 when the outer tubeless tire 30 is worn and needs to be replaced. With conventional runflat tires, it was necessary to replace the entire runflat tire even when the outer tubeless tire 30 was worn.
- the outer tubeless tire 30 and the inner tire 15 are separated, so that only the outer tubeless tire 30 needs to be replaced.
- the first removal procedure is as follows. First, the second rim valve 14 is opened to release air from the inner tire 15 and the inner tire 15 is contracted. The inner tire 15 fits in the storage portion 12 which becomes a storage space. Next, the first rim valve 13 is opened and air in the outer tubeless tire 30 is released.
- Example 1 of this invention As mentioned above, although the structural example of the tire wheel provided with the double structure concerning Example 1 of this invention was shown, the said structure is an example and a various change is possible.
- a hard material such as hard rubber is intermittently provided on the surface of the elastic material as the material of the inner tire, and the so-called bellows system is used.
- FIG. 9 is a diagram schematically illustrating a basic configuration of a wheel of a tire wheel according to a second embodiment
- FIG. 10 is a diagram illustrating a state in which an inner tire of the wheel illustrated in FIG. 9 is inflated.
- the mounting procedure is an example, and detailed procedures such as mounting to the bead are not shown.
- Fig. 9 shows an overview of the wheel 10 a, where Fig. 9 (a) is a front view,
- Fig. 9 (b) is a longitudinal sectional view
- Fig. 9 (c) is a side view.
- the range of the storage portion 12 may be the same as that of the first embodiment, and the figure corresponding to FIG. 1 (e) is omitted.
- the second rim valve 14 and the saddle tire 15 a are provided in the same manner as in the first embodiment.
- the functions and structures of the flange 11, the storage portion 12, the first rim valve 13 and the second rim valve 14 may be the same as those shown in the first embodiment.
- the inner tire 15a is configured such that a hard material such as hard rubber is intermittently provided on the surface of a stretchable material and can be folded by a so-called bellows method.
- the entire inner tire 15 a is made of a soft rubber material having elasticity, and, for example, is configured to swell when filled with air as in Example 1.
- the inner tire 15a of Example 2 is provided with an outer skin made of a hard material such as hard rubber intermittently on the outer periphery.
- Fig. 9 (c) there is a soft rubber material between the outer shells, which are hard materials, and this part can be expanded and contracted, and the whole can be expanded and contracted by the so-called bellows method. It has a configuration.
- the outer skin is covered with a hard material such as hard rubber, so that an effect of increasing the structural strength can be obtained.
- the inner tire 15 a is stored in a contracted state and is manufactured to a size that can be stored in the storage section 12, and is inflated by filling the air with the second rim valve 14, and the inner tire 15 a Is the core of the runflat tire.
- the bottom of the inner tire 15a is made of thick and strong rubber as shown in Fig. 9 (b).
- the rubber is fixed by fitting with a protrusion on the side surface near the bottom of the storage section 12 and fixed so that it cannot be removed even by centrifugal force.
- FIG. 10 is a view showing an example of a state where the inner tire 15 a is inflated. As shown on the left side of FIG. 10, the inner tire 15 a is stored in the storage portion 12 in a contracted state. The right side of FIG. 10 shows a state where the inner tire 15 a is inflated by filling the air with the second rim valve 14. When the inner tire 15a is inflated, its diameter is larger than the diameter of the flange 11 and is a size that can function as the core of a tire with a double structure. Yes.
- FIGS. 11 and 12 are diagrams schematically showing a procedure for mounting the tubeless tire 30 on the outer periphery of the wheel 1 O a and deploying the inner tire 15 a as a core.
- the method for mounting the tubeless tire 30 on the wheel 10 a is the same as in the first embodiment.
- the wheel 1 0 a ′ is inserted into the tubeless tire 30.
- the inner tire 15a is contracted and stored in the storage section 12 and its diameter is Since it is small, it can be installed according to the usual normal procedure without interfering with the tubeless tire 30 when it is inserted into the hoist 1 10a.
- the inner tire 15a is filled with air through the second rim valve 14 to change the state from the left side of FIG. 12 to the right side of FIG.
- the inner tire 15 a is filled with air via the second rim valve 14 (first procedure), and then the tubeless tire 30 is routed via the first rim valve 13.
- the point of filling the air in the two-stage procedure of the procedure of filling with air (second procedure) is the same as that described in the first embodiment, and the explanation here is omitted.
- FIG. 13 is a view showing an example of a completed state of the tire wheel 100 a having a double structure according to the second embodiment, which is obtained by filling the air by the above procedure.
- FIG. 13 (a) is a perspective view
- FIG. 13 (b) is a cross-sectional view thereof.
- the inner tire 15a is inflated and deployed inside the tubeless tire 30 and functions as the core of the runflat tire.
- the outer circumference of the inner tire 15a is reinforced with a hard material part, improving the structural strength of the core.
- the first removal procedure is as follows. First, the second rim valve 14 is opened to evacuate the inner tire 15 a, and the inner tire 15 a is contracted. The inner tire 15a is accommodated in the storage portion 12 serving as a storage space. Next, the first rim valve 13 is opened and air in the outer tubeless tire 30 is released. Next, as a second step of removal, as shown in Fig. 15, remove the bead part of the outer tube tire 30 from the wheel bead 1 and connect it to the tubeless tire 30. Separate the wheel 1 0 a and remove the wheel 1 0 a from the tubeless tire 30. The inner tire 15a has shrunk and its diameter has become smaller, so it should not interfere with the removal of the wheel 10a.
- Example 2 of this invention As mentioned above, although the structural example of the tire wheel provided with the double structure concerning Example 2 of this invention was shown, the said structure is an example and a various change is possible.
- the tire wheel of Example 3 employs a soft material (for example, a reinforced fiber material such as glass fiber) as the material of the inner tire as a method of inflating the inner tire, and the air
- a soft material for example, a reinforced fiber material such as glass fiber
- Fig. 16 is a diagram schematically showing the basic configuration of the wheel 10 b of the tire wheel according to Example 3, and Fig. 17 shows the state in which the inner tire of the wheel 10 b shown in Fig. 16 is inflated.
- FIG. The installation procedure is an example, and the detailed procedure such as attachment to the bead sheet is not shown.
- FIG. 16 shows an overview of the wheel 10 b
- FIG. 16 (a) is a front view
- FIG. 16 (b) is a longitudinal sectional view
- FIG. 16 (c) is a side view.
- the range of the storage portion 12 may be the same as that of Example 1, so the figure corresponding to FIG. 1 (e) is omitted.
- the wheel 10 b according to the third embodiment is mounted on the flange 1 1, the storage units 1 and 2, and the wheel 10 0 b.
- the first rim valve 13 that adjusts the air pressure of the tubeless tire 30, the second rim valve 14 that adjusts the air pressure of the inner tire 15 b described later, and the inner tire 15 b The same as Example 1 and Example 2.
- the functions and structure of the flange 1 1, the housing 1 2, the first rim valve 1 3, and the second rim valve 1 4 may be the same as those shown in the first and second embodiments.
- the inner tire 15b is made of a thin and strong material that does not have elasticity, such as a reinforcing fiber material such as glass fiber.
- a reinforcing fiber material such as glass fiber.
- the inner tire 15b can be folded and expanded. It is preferable that air does not leak in the expanded state.
- the back and bottom are preferably sealed with a synthetic chemical material that does not leak air, such as rubber.
- the inner tire 15 b When the inner tire 15 b is contracted, the inner tire 15 b bends flexibly like a piece of cloth, and is filled with air or the like by the second rim valve 14 to become the core of a runflat tire.
- the bottom of the inner tire 15 b is made of thick and strong rubber as shown in Fig. 16 (b).
- the rubber is fixed by fitting it with a protrusion on the side surface near the bottom of the storage section 12 and fixed so that it does not come off even by centrifugal force.
- FIG. 17 is a view showing an example of a state where the inner tire 15 b is inflated. As shown on the left side of Fig. 17, the inner tire 15 b is contracted to the left and right when it is contracted. Fig. 7 The right side shows the air through the second rim valve 14 It shows a state where the filled tire 1 15 b is inflated. The inner tire 15 b is stable in the inflated state, and its diameter is larger than the diameter of the flange 11 1, so that it can function as a core of a tire wheel with a double structure. It has become.
- FIGS. 18 and 19 are diagrams schematically showing a procedure for mounting the tubeless tire 30 on the outer periphery of the wheel 10 b and deploying the inner tire 15 b as a core.
- the wheel 10 b is inserted into the tubeless tire 30 from the left side of FIG. Attach the bead part (not shown) of the tubeless tire 30 to the bead seat of the wheel 10 b by the conventional method (details not shown).
- the diameter of the storage section 12 of the wheel 10 b is smaller than the inner diameter (rim diameter) of the hole of the tubeless tire 30 and there is a slight gap.
- the inner tire 15b can be pushed into the gap, and the inner tire 15b can be inserted without interfering with the wheel 10b as shown on the right side of Fig. 18. it can.
- the bead portion may be attached to the wheel 10 b according to a conventional normal procedure.
- the inner tire 15 b is filled with air through the second rim valve 14, so that the state shown in FIG.
- FIG. 20 is a view showing an example of a completed state of the tire wheel 10 Ob having a double structure according to the third embodiment, which is obtained by filling the air by the above procedure.
- FIG. 20 (a) is a perspective view
- FIG. 20 (b) is a cross-sectional view thereof.
- the inner tire 15 b is inflated and deployed inside the tubeless tire 30, and functions as the core of the runflat tire.
- the first removal procedure is as follows. First, the second rim valve 14 is opened, the air inside the tire 15 b is evacuated, and the inner tire 15 b is contracted. Thereafter, the first rim valve 13 is opened, and the air in the outer tire 30 is exhausted.
- Example 4 As mentioned above, although the structural example of the tire wheel provided with the double structure concerning Example 3 of this invention was shown, the said structure is an example and a various change is possible. (Example 4)
- Example 4 is a configuration example of the second tire wheel of the present invention having a double structure.
- Fig. 23 is a diagram schematically showing the basic configuration of the wheel 10 c according to the example 4, and Fig. 24 shows the state in which the plate-like body of the wheel 10 c shown in Fig. 23 is unfolded.
- FIG. 24 shows an overview of the wheel of Example 4.
- FIG. 23 (a) is a front view
- FIG. 23 (b) is a side view.
- the wheel 10 c according to the present invention includes a flange 1 1, a plate-like body 1 6, a first rim valve 13 that adjusts the air pressure of the tubeless tire 30, and a plate-like body 1.
- the flange 11 and the first rim valve 13 can be the same as in the first embodiment.
- illustration of an angle adjusting mechanism for adjusting the mounting angle of the plate-like body 16 and other structures provided in the normal wheel 10 c is omitted as will be described later.
- the plate-like body 16 is a plate-like structure capable of adjusting the mounting angle of the wheel 10 c to the well, and a large number of the plate-like bodies 16 are arranged along the outer periphery of the wheel 10 c.
- the diameter of the spread is adjusted so as to be smaller than the diameter of the flange 11.
- the diameter of the spread becomes the flange 1 1 of the wheel. The diameter is adjusted to be a large diameter.
- FIG. 2 4 (a) The left side shows the state where the plate 16 is along the outer circumference of the wheel 10c.
- the right side of FIG. 24 (a) is a diagram showing a state in which the plate-like body 16 is unfolded so as to spread toward the outside of the wheel 10 c.
- the plate-like body 16 is smaller in diameter than the flange 11 in the state along the outer periphery of the wheel 10 c.
- the plate-like body 16 can be freely adjusted in angle by an angle adjusting mechanism (not shown).
- the wheel 10c can be unfolded so as to spread outward.
- the diameter of the plate-like body 16 is larger than the diameter of the flange 11 of the wheel 10 c and is a size that can function as a core of the tire.
- the first device is a device that provides a curve along the outer periphery of the wheel 10 c as shown in the side view of FIG. 24 (b). This is because if the plate-like body 16 has such a curvature, the diameter of the spread can be made the smallest when the plate-like body 16 is placed along the outer periphery of the wheel 10 c.
- the second device is a device in which one side of the plate-like body 16 is a convex shape and the other side is a corresponding concave shape.
- the convex and concave shapes correspond to each other as seen in the shape of the plate-like body 16 in Fig. 24 (b), and the plate-like bodies 16 are arranged as shown in Fig.
- the convex shape and the concave shape correspond to each other between the adjacent plate-like bodies 16, and there is no step due to the overlapping, and a smooth circular arc state can be achieved as shown in the figure. It can be stored smoothly.
- the length of the plate-like body (length in the wheel rotation direction) can be increased, and the plate-like bodies can be arranged closely, and the plates are arranged on the outer circumference of the wheel.
- the number of the state bodies 16 can be increased. Note that if the length of the plate-like body (the length of the wheel in the circumferential direction) is increased, the diameter increases when the mounting angle of the plate-like body 16 is adjusted as described later. A list is obtained. Further, if the number of plate-like bodies 16 arranged on the outer periphery of the wheel can be increased, the merit of improving the structural strength as the core of the runflat tire can be obtained.
- a light metal As a material for the plate-like body 16, a light metal, a light hard plastic, a light hard rubber, or the like can be used.
- FIGS. 25 and 26 are diagrams schematically showing a procedure for mounting the tubeless tire 30 on the outer periphery of the wheel 10 c and deploying the plate-like body 16 as a core.
- the outline of the tubeless tire 30 is indicated by a solid line, and the internal schematic cross-sectional shape is indicated by a dotted line.
- the internal cross-sectional schematic shape is also shown for easy understanding of the mounting relationship of the wheel 10 c.
- the wheel 10 c of the present invention is inserted into the tubeless tire 30.
- the shape and structure of the flange 11 of the tubeless tire 30 and wheel 10 c may be the same as the conventional method.
- the mounting angle of the plate-like body 16 is adjusted to an angle along the outer periphery of the wheel and the diameter thereof is small, so that it does not get in the way when the tubeless tire 30 is passed through the wheel 10 c. It can be installed in accordance with conventional normal procedures.
- the plate-like body 16 adjusts the mounting angle of the plate-like body 1 6 to the wheel 10 0 c so that the plate-like body 16 is outside the wheel 10 0 c. Expand so that it spreads in the direction, and give it an inside inside the tubeless tire 30.
- the diameter of the plate-like body 16 has an appropriate size as the diameter of the core of the runflat tire.
- the tubeless tire 30 When the tubeless tire 30 is filled with air up to a predetermined air pressure via the first rim valve 13, the tubeless tire 30 expands to a normal use state and becomes suitable for running of the vehicle.
- the order of the deployment of the plate-like body 16 and the filling of the tubeless tire 30 with air does not matter, and the tubeless tire
- the plate-like body 16 may be developed after 30 is filled with air.
- FIG. 27 is a view showing an example of a completed state of the tire wheel 100 c having the double structure according to the fourth embodiment, which is obtained by filling the air by the above procedure.
- FIG. 27 (a) is a perspective view
- FIG. 27 (b) is a cross-sectional view thereof. As shown in FIG. 27 (b), the plate-like body 16 is unfolded inside the tubeless tire 30.
- FIG. 28 The left side of FIG. 28 is a diagram showing a normal state, the right side is a diagram showing a state where a conventional tire wheel is punctured, and the center is a diagram showing a state where a tire wheel 100 c of the present invention is punctured.
- the tubeless tire 30 If the tubeless tire 30 is punctured, the tubeless tire 30 will break and the vehicle weight will not be supported, and the vehicle body will fall. As a result, the height will drop by B, resulting in a very dangerous situation.
- the tire wheel of the present invention since the vehicle weight is temporarily supported by the plate-like body 16, the vehicle body falls from the state of the left figure to the state of the central figure. The height will drop by A. Height at which the car body falls As can be seen from the comparison, the conventional tire wheel falls by height B, whereas the tire wheel of the present invention only falls by height A, so even if it is punctured. Is smaller and safer.
- the adjustment of the inner diameter in a state where the plate-like body 16 is expanded will be described.
- the spread diameter of the plate-like body 16 can be adjusted freely according to the mounting angle of the plate-like body 16 to the wheel 10 c. In other words, it means the adjustment of the height of the core, and therefore the height of the core can be adjusted to an appropriate level by adjusting the mounting angle of the plate-like body 16 according to the vehicle type and application.
- the structural strength of the plate-like body 16 at the time of puncture will be described.
- the outer tubeless tire 30 cannot be completely broken even if it is punctured, and temporarily remains around the wheel. At this time, the plate-like body 16 only needs to be able to temporarily support the vehicle weight. It is only necessary to run for a short time before stopping, not for a long time.
- the present invention aims at this effect.
- the procedure for tire replacement will be described. As a feature of the present invention, when the outer tubeless tire 30 is worn out and needs to be replaced, only the outer tubeless tire 30 can be replaced. In the second tire wheel of the present invention, since the outer tubeless tire 30 and the plate-like body 16 are separated, only the outer tubeless tire 30 need be replaced.
- the first procedure for removal is to adjust the mounting angle of the plate-like body 16 and lay the plate-like body 16 along the outer periphery of the wheel. Open to release air from the outer tubeless tire 30. Note that the order of adjusting the angle of the plate-like body 16 and the opening of the first rim valve 13 do not matter, and either may be used first.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/225,853 US8528612B2 (en) | 2007-12-18 | 2007-12-18 | Dual structure tire wheel and method for installing it |
BRPI0713518-1A BRPI0713518A2 (pt) | 2007-12-18 | 2007-12-18 | roda de pneu com estrutura dupla e método para a instalação da mesma |
CN2007800203682A CN101678726B (zh) | 2007-12-18 | 2007-12-18 | 具有双重结构的车轮及其安装方法 |
PCT/JP2007/074778 WO2009078110A1 (ja) | 2007-12-18 | 2007-12-18 | 二重構造を備えたタイヤホイールおよびその取り付け方法 |
AU2007358553A AU2007358553B2 (en) | 2007-12-18 | 2007-12-18 | A dual structure tire wheel and a method for installing it |
KR1020087028737A KR101043269B1 (ko) | 2007-12-18 | 2007-12-18 | 이중구조를 구비한 타이어 휠 및 그 부착방법 |
TW097141506A TWI325834B (en) | 2007-12-18 | 2008-10-29 | A dual structure tire wheel and a method for installing it |
EP08171780A EP2072278B1 (en) | 2007-12-18 | 2008-12-16 | A dual structure tire wheel and a method for installing it |
EP10154431A EP2189302B1 (en) | 2007-12-18 | 2008-12-16 | Pneumatic tyre wheel with auxiliary support structure and assembly method for such a wheel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/074778 WO2009078110A1 (ja) | 2007-12-18 | 2007-12-18 | 二重構造を備えたタイヤホイールおよびその取り付け方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009078110A1 true WO2009078110A1 (ja) | 2009-06-25 |
Family
ID=40445325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/074778 WO2009078110A1 (ja) | 2007-12-18 | 2007-12-18 | 二重構造を備えたタイヤホイールおよびその取り付け方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8528612B2 (ja) |
EP (2) | EP2072278B1 (ja) |
KR (1) | KR101043269B1 (ja) |
CN (1) | CN101678726B (ja) |
AU (1) | AU2007358553B2 (ja) |
BR (1) | BRPI0713518A2 (ja) |
TW (1) | TWI325834B (ja) |
WO (1) | WO2009078110A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102582355A (zh) * | 2012-02-23 | 2012-07-18 | 李必春 | 子母式轮胎汽车安全车轮技术 |
CN105751829A (zh) * | 2014-09-24 | 2016-07-13 | 李凤纲 | 汽车安全轮胎 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI554414B (zh) * | 2014-12-12 | 2016-10-21 | Shui-Lai Su | Double-powered wheels |
KR102680612B1 (ko) * | 2022-08-22 | 2024-07-02 | 넥센타이어 주식회사 | 고하중용 공기입 타이어 휠 |
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- 2007-12-18 BR BRPI0713518-1A patent/BRPI0713518A2/pt not_active IP Right Cessation
- 2007-12-18 CN CN2007800203682A patent/CN101678726B/zh not_active Expired - Fee Related
- 2007-12-18 WO PCT/JP2007/074778 patent/WO2009078110A1/ja active Application Filing
- 2007-12-18 US US12/225,853 patent/US8528612B2/en not_active Expired - Fee Related
- 2007-12-18 AU AU2007358553A patent/AU2007358553B2/en not_active Ceased
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2008
- 2008-10-29 TW TW097141506A patent/TWI325834B/zh not_active IP Right Cessation
- 2008-12-16 EP EP08171780A patent/EP2072278B1/en not_active Not-in-force
- 2008-12-16 EP EP10154431A patent/EP2189302B1/en not_active Not-in-force
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CN102582355A (zh) * | 2012-02-23 | 2012-07-18 | 李必春 | 子母式轮胎汽车安全车轮技术 |
CN105751829A (zh) * | 2014-09-24 | 2016-07-13 | 李凤纲 | 汽车安全轮胎 |
Also Published As
Publication number | Publication date |
---|---|
TWI325834B (en) | 2010-06-11 |
EP2189302B1 (en) | 2012-08-22 |
EP2072278A3 (en) | 2009-08-26 |
EP2072278A2 (en) | 2009-06-24 |
TW200927524A (en) | 2009-07-01 |
EP2072278B1 (en) | 2012-02-01 |
KR20090090999A (ko) | 2009-08-26 |
US20100212800A1 (en) | 2010-08-26 |
KR101043269B1 (ko) | 2011-06-21 |
AU2007358553A1 (en) | 2009-07-02 |
EP2189302A1 (en) | 2010-05-26 |
CN101678726A (zh) | 2010-03-24 |
US8528612B2 (en) | 2013-09-10 |
CN101678726B (zh) | 2011-09-28 |
BRPI0713518A2 (pt) | 2012-02-07 |
AU2007358553B2 (en) | 2010-09-16 |
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