Abstract: Disclosed herein are kits for use in adding degradable foam to a tire, methods for preparing a degradable foam-containing tire, tires containing degradable foam, and methods for degrading the degradable foam in tires containing degradable foam. The degradable foam comprises a combination of (i) at least one di- or polyisocyanate, (ii) at least one polysiloxane diol, at least one polysiloxane diamine, or a combination thereof, and (iii) optionally at least one polyol.

Abstract: In a pneumatic tire including an annular tread portion extending in a tire circumferential direction, a pair of sidewall portions disposed on both sides of the tread portion, and a pair of bead portions disposed on an inner side of the sidewall portions in a tire radial direction, a load support body is disposed extending along the tire circumferential direction on an inner side of each of the sidewall portions, and the load support body is removably mounted to an inner surface of the sidewall portion via a mechanical engagement device.

Abstract: Filling element (“mousse”) for tires of off-road motor vehicles. The filling element is provided with circular grooves. It is made of expanded polymeric material for longlife even under extreme conditions of external temperature, speed of the vehicle and hardness of the ground. It provides improved driving performances in terms of stability and adherence of the tire to the ground even on rough grounds of great hardness.

Abstract: A noise reduction device (10) according to the present technology includes a band member (11) made of a thermoplastic resin formed into a ring shape along a tire inner surface, and a sound absorbing member (12) made of a porous material bonded to the band member (11). The sound absorbing member (12) is arranged to be fitted onto the tire inner surface with the help of an elastic restoring force of the band member (11), the band member (11) includes at least one raised portion (14) provided on an outer circumferential surface thereof, and the outer circumferential surface of the band member (11) has a contact area when in contact with a smooth surface in a range of from 10% to 80% of the projected area of the band member (11).

Abstract: An insert for a pneumatic tire including an annular member adapted to contact at least 10% of an interior surface of the pneumatic tire and provide an outward pressure thereagainst.

Abstract: A noise reduction device (10) includes: a band member (11) made of a thermoplastic resin formed into a ring shape along a tire inner surface (5), and a sound absorbing member (12) made of a porous material bonded to the band member (11). The sound absorbing member (12) is arranged to be fitted onto the tire inner surface (5) with the help of the elastic restoring force of the band member (11). The band member (11) includes at least one rib (14) extending in the circumferential direction of the band member (11) on at least one surface in the thickness direction of the band member (11). The rib (14) is disposed so as to be present along the entire circumference of the band member (11).

Abstract: The present invention relates to a lubricating agent for mounting or releasing a tire bead, comprising alkaline electrolyzed water and a lubricant component. The lubricant component comprises a lubricant base oil, which is made up of a mineral oil and/or a synthetic oil, and a surfactant. The present invention relates to a method for producing a lubricating agent for mounting or releasing a tire bead, the method comprising: mixing an alkaline electrolyzed water with a lubricant component. A tire and wheel assembly method, comprising: applying the above lubricating agent onto a contact surface of the wheel with a tire bead, and thereafter assembling the tire onto the wheel having had the lubricating agent applied thereon. A method for dismantling a tire and wheel integrated together, comprising: causing the above lubricating agent to seep onto a part of a contact surface of a wheel and a tire bead, and thereafter releasing the tire from the wheel.

Abstract: A rim for tire testing includes a rim body that is rotatably provided in a tire testing device so that a tire to be tested can be attached to the rim body, and a filling unit that can fill the tire to be attached to the rim body with a gas at a predetermined pressure. The rim body can be divided into a plurality of members in a direction along a rotational axis of the rim body. Of the rim body divided into the plurality of members, a rim base portion to be contact with a tire bead portion of the tire is integrated with the other divided members than the rim base portion by use of a coupling member.

Abstract: A runflat device, and a method of fitting a runflat device. The runflat device can include a chain of segments which is flexible enough to be manipulated for fitting, while also being laterally stable to ensure correct positioning and to avoid misalignment when tightening onto a wheel. The fitting method initially expands the runflat device within the cavity of the tire, retaining the runflat device securely in place against the inside of the tire's tread area. This advantageously leaves the beads of the tire unobstructed for fitting to a wheel.

Abstract: A runflat device can include a double sided beadlock. The runflat device can be fitted to any size and type of wheel, regardless of a shape and depth of a wheel well. The runflat device can be fitted using standard tools, and may be tightened by manipulation of a valve assembly.

Abstract: The tire comprises a tread, a crown reinforcement and at least one crown layer. The crown layer has an axial width (L2) that is at least two-thirds of a maximum axial width (L1) of the tire and has a concave portion with axial limits (M2, M?2) on either side of an equatorial plane (XZ). The tire further includes a carcass reinforcement which has at least one carcass layer with a concave portion that has axial limits (M3, M?3) on either side of the equatorial plane (XZ). The radial distance (d) between the respective concave portions is at a maximum in the equatorial plane (XZ) and decreases continuously from the equatorial plane (XZ) as far as the axial limits (M2, M?2) of the said concave portions axially closest to the equatorial plane (XZ), where it reaches a minimum value (dM).

Abstract: A puncture-proof structure for tires is provided. The structure forms a spare tire body that can be assembled rapidly and adapted to various tire types by being finely tuned. A tire using the spare tire body is puncture-proof such that when punctured by sharp articles or knifes, the tire can still work to make safe arrival at a nearby repair workshop. This saves a car driver who has a damaged tire from the trouble of shoving the car and from the danger of endangering his/her life, in turn ensuring the public traffic safety.

Abstract: The invention relates to an elastic vehicle tire (1) comprising a tire cavity. Said cavity is enclosed by a running strip (2) supporting the tread surface (3) and a side wall (4, 4.1) formed on each side of the running strip (2). A noise dampening insert (9) or a noise dampening insert arrangement disposed therein is provided in the tire cavity. A ventilation layer (13) having a structure permeable to air at least in the transverse and/or longitudinal direction of the running strip (3) is disposed between the noise dampening insert (9) or noise dampening insert arrangement and connected to the inner side (10) of the running strip (2) supporting the running surface (3). Said layer is suitable for passing an air flow at least partially in contact with the inner wall (10) of the running strip (2).

Abstract: Tire chain apparatus includes chains having a first set of links disposed parallel to the tread and a second set of links projecting outwardly away from the tread, with at least some of the second set of links in tread grooves. Rigid cross member road engaging structures extend across the tread through the chains and have outwardly projecting road engaging protrusions.

Abstract: The present invention relates to a runflat device (2), particularly, but not exclusively, a combined runflat and double sided beadlock that can be fitted to any size and type of wheel (1) regardless of the shape and depth of the wheel well (10). The runflat device (2) can be fitted using standard tools and tightened through manipulation of a valve assembly (52).

Abstract: A tire pressure maintenance apparatus and system is disclosed. The apparatus and system comprises a high pressure reservoir and a pressure regulator secured to the high pressure reservoir. A high pressure relief valve is also provided. The high pressure reservoir is circumferentially continuous. Further, the pressure regulator has a passive valve in fluid communication with the high pressure reservoir and the pressure regulator opens at a low pressure point and closes at a high pressure point.

Abstract: An improved run flat tire and system for use with a two-piece or multi-piece wheel and tire to provide for continued operation of vehicles after tire deflation. Certain aspects of the invention include a plurality of arcuate sections releasably aligned and secured to each other for positioning around a wheel, wherein extended lip portions of each arcuate section extend laterally from the inner base portion of each arcuate section to limit lateral movement of the run flat device relative to the wheel.

Abstract: A tire assembly includes a wheel rim, a tire mounted on the rim and a foam insert which only partially fills an annular volume enclosed by the tire and rim. The foam insert displaces air within the annular volume. The insert is not bonded to the tire. The insert maintains its shape and its mass distribution within the tire.

Abstract: Flat-running device for fitting to a tubeless mounted assembly for a motor vehicle and a mounted assembly incorporating same is provided. The device is configured for a wheel rim (in several parts includes an annular supporting structure of the casing designed to be mounted around the rim and divided into sectors in an arc of a circle that are articulated together by connection members, and members for locking the beads against these edges which are designed to connect the annular supporting structure to these beads. The connection members including two spindles extending in the axial direction and respectively attached in two adjacent sectors and connected together by an articulation extending in the circumferential direction of the device, the articulation having a rigid lug with two through-holes or else a flexible link with two loops, the or the link being articulated on these spindles by these two holes or loops, respectively.

Abstract: A run-flat tire, comprising a rim, a tire skin, and one or more elastomers, wherein the elastomer(s) is installed in a holding space within the tire skin, wherein the number of elastomers depending on the inner diameter of the tire skin and the inner width; while the external dimension and shape of the elastomer depends on the inner width of the tire skin and the tire width and shape of the tire skin, wherein the diameter of the elastomer shall be close to or no more than the inner diameter top of the tire skin and the inner diameter bottom of rim center.

Abstract: A tire includes a pair of sidewalls in spaced apart relation and extending substantially radially from a respective inner circumferential portion to a respective outer circumferential portion, a tread extending between and connecting outer circumferential portions of the sidewalls, at least a portion of a tire cavity defined by the tread and sidewalls, and a bead portion on the inner circumferential portion of each radially extending sidewall, the bead portion providing an engagement surface for engaging a wheel on which the tire is to be mounted, and a noise reducing foam disposed in at least a portion of the tire cavity.

Abstract: A runflat assembly including a plurality of arcuate components interconnectable to fit around a vehicle wheel. Each component includes a rubber body with a steel support member located within the body, which when mounted on a wheel defines a support ring around the wheel.

Abstract: Tire support rings mounted within a tubeless tire to prevent the tire from collapsing upon the occurrence of a leak in the tire and to support a vehicle until the leak can be repaired.

Abstract: The present invention relates to an explosion-proof security tire for vehicles. The tire includes an outer tire, a split rim, a L-shaped sealing ring, a combined support loop and a valve core. The combined support loop includes a plurality layers of support rings they are sleeved by layer on layer and fixed with the rim. The size of the tire can increased by the combined support loop so as to furthest shorten the distance between the inner wall of the outer tire and the outer wall of the combined support loop at a normal pressure of tire. At the moment that the tire is burst, the combined support loop can support the outer tire quickly and effectively, and control the change of acting radius of the tire in a minimum range so as to ensure the basic performance of the tire and to prevent accidents caused by sudden control loss of running direction and avoid potential security risks.

Abstract: A run-flat pneumatic tire assembly includes a pneumatic tire having an elastomeric casing and a tire cavity formed therein. A longitudinally-extending and approximately planar length of strip material is helically arranged within the tire cavity to pre-stress the length of strip material for usage of the pneumatic tire during under-inflated and non-inflated conditions. A method of making a run-flat pneumatic tire assembly is also included.

Abstract: A run-flat pneumatic tire assembly includes a pneumatic tire having an elastomeric casing and a tire cavity formed therein. A longitudinally-extending and approximately planar length of strip material is helically arranged within the tire cavity to pre-stress the length of strip material for usage of the pneumatic tire during under-inflated and non-inflated conditions. A method of making a run-flat pneumatic tire assembly is also included.

Abstract: The present invention relates to a tire containing a layered composite of sealant and air permeation resistant film, particularly a non-elastomeric film.

Abstract: The present invention relates to a flat-running device intended for equipping a mounted assembly without an air chamber for a motor vehicle, and to such a mounted assembly incorporating this device. This device (30) comprises a wheel rim (10) with a plurality of blocks (10a and 10b) and a tire (20) comprising beads (21 and 22) mounted against flanges (12 and 13) of the rim, the device comprising: a structure (31) for supporting the tire, which structure is to be mounted around the rim and is divided into ring sectors (32) in the form of an arc of a circle, surmounted by a casing (34) which is intended for supporting the tire when the latter is running flat and which has two projecting lateral portions (34b) partially covering lateral faces (32b) of the structure, and means (33) for locking the beads against said flanges, which connect the annular supporting structure to the beads.

Abstract: A tire composition with a Shore A hardness, according to DIN 53 505 and ASTM D2240, of not less than 40 and not greater than 95 and a glass-transition temperature Tg (E?max), according to DIN 53 513 with a specified temperature sweep of ?80° C. to +80° C. and a specified compression of 10+0.2% at 10 Hz, not less than ?80° C. and not greater than 0° C., with improved abrasion performance, in particular for pneumatic tires, has the following composition: at least one vulcanizable diene rubber selected from natural rubbers, synthetic polyisoprene rubbers, polyisobutylene rubbers, polybutadiene rubbers (BR), and random styrene-butadiene rubbers; from 35 to 300 phr of at least one active filler selected from carbon blacks, silicas, silicon based fillers, and metal oxides, of which at least 10 phr must be carbon blacks, silicas, or some combination thereof; from 0 to 250 phr of other or further additives; from 0.

Abstract: A tire noise reduction device includes at least one noise absorbing member made of a porous material. The noise absorbing member is attached to the inner surface of the tire tread portion. The noise absorbing member includes multiple continuous grooves arranged side by side in a tire circumferential direction in the outer peripheral surface of the noise absorbing member. Each of the continuous grooves has an areal groove bottom and forms see-through regions in the width direction of the noise absorbing member. A groove edge-to-edge distance between each adjacent two of the continuous grooves in the tire circumferential direction is 2 mm to 40 mm. A largest see-through cross-sectional area of each continuous groove is 20 mm2 to 100 mm2.

Abstract: The present disclosure is directed to a wheel for a land vehicle. The wheel may include a mounting flange configured to secure the wheel to the land vehicle and a rim. The wheel may further include a hollow tire configured to be mounted about the rim and wherein the hollow tire and the rim define a space. The wheel may still further include one or more high velocity of shock balls disposed within the space. The wheel may include an internal tire support having an inside wall and an outside wall and one or more high velocity of shock elements extending axially across the support. It is contemplated that the high velocity of shock elements and balls may be glass, ceramic, metal, or combination of glass, ceramic, and metal.

Abstract: A run flat safety band 1 has a wireless sensor 11 incorporated therein, which can be remotely interrogated in order remotely to confirm that the safety band is fitted on a wheel 4. The sensor 11 includes a pressure and temperature sensor, enabling the pressure and temperature within the tire 2 mounted on the wheel 4 to be remotely checked, by means of which remote indication can be provided that the tire 2 has deflated and is running on the runflat band 1 and also that the tire 2 is overheating and likely to break up prematurely while running on the runflat band 1.

Abstract: A pneumatic tire and a rim includes a noise damper, fixed to a tire inner surface or a rim inner surface with the upper surface facing a tire inner space, and extending in the tire circumferential direction. The noise damper is made of a sponge having a volume ranging from 0.4 to 20% of the volume of the tire inner space. The noise damper is a laterally long and flat, with a maximum thickness ranging from 5 to 45 mm and a width more than the maximum thickness. The upper surface extends along a wavy curve including a hilltop, valley bottoms on each side of the hilltop and slopes extending down to the respective valley bottoms from the hilltop. Each end of the upper surface is terminated at the valley bottoms or the slopes. A thickness from the upper surface to the bottom surface ranges from 1.0 to 15.0 mm.

Abstract: A tire assembly inserted in a conventional pneumatic tire that allows the driven vehicle to be operated in a normal operating condition as well as in both a low tire pressure and a “run flat” condition. The tire embodies a multifunctional tire support device that permits the tire even when punctured to continue to support the vehicle and never allows the tire to go entirely flat. The support device when installed reinforces the tire tread and its side walls by applying internal pressure against them should they collapse when tire is punctured. The invention embodies a means for supporting the tire with the multifunctional device and provides an additional embodiment that uses the same device with a backup redundant inner tube to provide support to the punctured or ruptured tire and permits it to be operated in a run flat condition. The inner tube is located in the assembly at a distance away from the tread so that any puncture of the tread would not also puncture the inner tube.

Abstract: Disclosed is a low noise pneumatic tire in which a plurality of noise absorbing members of a porous material are attached to the tire inner peripheral surface with intervals in the tire circumferential direction. The number of the noise absorbing members is from 5 to 50. The total length obtained by integrating the lengths of the noise absorbing members in the tire circumferential direction is not less than 75% of the tire maximum inner peripheral length. The distance between each adjacent two of the noise absorbing members is equal to or more than the maximum thickness of the noise absorbing members at the end portions thereof in the tire circumferential direction, while being not more than 15% of the tire maximum inner peripheral length.

Abstract: Disclosed is a pneumatic tire including a single or a plurality of noise absorbing members formed of a porous material attached to one side of surfaces of an elastic band in the longitudinal direction thereof, and also disposed on the tire inner peripheral surface by using the elastic band along the circumferential direction. Further, the tire includes a plurality of width-direction reinforcing members disposed with intervals in the tire circumferential direction on surfaces, facing the elastic band, of the corresponding noise absorbing members and also extending from the elastic band to both ends of the corresponding noise absorbing members in the width direction thereof.

Abstract: A pneumatic having a porous member mounted on an inner surface facing a cavity of the tire. The porous member has ends located on front and back sides thereof in the rotation direction of the tire. At least the back end has corners located on opposite sides thereof in the widthwise direction of the porous member, the corners being chamfered.

Abstract: Disclosed is a self-supporting tire for wheels for bicycles, motorcycles and the like comprising an outer surface layer (5), which establishes contact with the ground (8) and an inner supporting layer (6) realized by a flexible polyurethane elastomer with a cellular structure, which at least partially occupies the internal volume of the tire (1) and supports the outer surface layer, also comprising a flexible membrane (9) substantially having the shape of the outer layer (5) and radially compressing the inner supporting layer (6).

Abstract: The run-flat supporting body (1) is configured of the annular shell (2) and elastic rings (3) and (3). The annular shell (2) works as a supporting surface on an outer peripheral side, and bifurcates into two leg portions on an inner peripheral side. In addition, the annular shell (2) is provided with a large number of the through holes (4) in wall surfaces thereof. The elastic rings (3) and (3) are attached respectively to the two leg portions of the annular shell (2). The run-flat supporting body 1 is supported on a rim of a wheel with the elastic rings (3) and (3). According to a configuration of the present invention, peripheries of the respective through holes (4) are thickened, residual stresses are applied to the peripheries of the respective through holes (4), or each through hole (4) is formed into an elliptic shape having the major axis in a circumferential direction.

Abstract: A wheel assembly for a vehicle. The wheel assembly including: a rim; a tire operatively connected to the rim; one or more movable assemblies extending in a radial direction from the rim towards an outer portion of the tire; and potential energy storage device operatively connected to the one or more movable assemblies for converting a kinetic energy of the vehicle into potential energy upon movement of the one or more movable assemblies thereby slowing a rotation of the wheel assembly.

Abstract: A low noise pneumatic tire according to the present invention includes a belt-shaped sound absorbing member mounted on the radially inner surface of the tread by a fixing elastic band, the belt-shaped sound absorbing member being formed of a porous material. The belt-shaped sound absorbing member has a width ranged from 40% to 90% of the maximum width of the tire, and a thickness ranged from 5 mm to 50 mm.

Abstract: The present invention concerns a runflat device for a tubeless mounted assembly for a motor vehicle and an assembly incorporating said device. A device in accordance with the invention for a unit comprises a wheel rim having a plurality of pieces and a tire cover comprising beads mounted against the flanges of the rim, the device comprising: a support ring for mounting around the rim to support the tire cover following a drop in inflation pressure and divided into at least two ring sectors; and means for locking said beads against the flanges to connect the sectors to the beads. The device is such that each ring sector comprises a rigid wall which defines at least one internal volume and which defines the lateral faces of the ring sector.

Abstract: A pneumatic tire having belt-shaped sound absorbing members. The belt-shaped sound absorbing members are mounted on the radially inner surface of the tread facing to the cavity of the pneumatic tire at prescribed intervals circumferentially of the tire by a fixing elastic band. The belt-shaped sound absorbing members each comprise at least one layer formed of a porous material having an apparent density of 10 kg/m3 to 70 kg/m3.

Abstract: Disclosed is a pneumatic tire provided with an elastic fixing band having excellent durability and enabling stable attachment of a member, which is independent from the tire, to an inner surface of a tread thereof. The pneumatic tire of the present invention includes a member attached to an inner surface of a tread thereof by use of an elastic fixing band, the member being independent from the tire. The pneumatic tire is characterized in that the elastic fixing band is formed of a metallic band form with a width in a range of 10 to 40 mm and a thickness in a range of 0.1 to 0.5 mm.

Abstract: A run flat safety support ring intended to be mounted on a wheel rim inside a tire equipping a vehicle for supporting the tire tread in case of loss of inflation pressure has a generally cylindrical crown intended to come in contact with the interior of the tire tread in the event of the loss of inflation pressure, but has a clearance from the tire tread interior at normal pressure. The ring also has an annular body located radially inward of the crown, the annular body comprising a grid of continuous reinforcement composite.

Abstract: A safety support includes a substantially cylindrical base configured to conform to the rim. The support further includes a crown with a radially outer wall configured to enter into contact with an internal wall of a crown of the tire in the event of a loss of pressure and to leave clearance therebetween at the rated operating pressure of the tire. The safety support further includes an annular body linking the base and the crown of the support. An envelope of the radially outer wall of the support crown is defined, when the support is mounted on the rim, with f being the deflection undergone by the support mounted on the rim under a load Z, the rated load of the tire, the envelope being confined between two cylinders of revolution of radius Rmax and Rmin satisfying the following relationship: 0.2f<Rmax?Rmin<2f.

Abstract: An insert for a conventional tire. The insert includes a doughnut-shaped piece of material shaped and sized to fit inside the tire and to contact an inside surface of the tire's tread during normal driving (i.e., when driving without a flat). In preferred embodiments, the doughnut-shaped piece of material can be sized to contact an entire surface of the tire or to contact an entire inside surface of the tire's tread. Different sized inserts can be used with different sized tires. The insert also includes one or more (preferably about eight) mounting or insert brackets attached to the rim to support the doughnut-shaped piece of material. These brackets can facilitate use of the insert with various different types and shapes of rims. Also, methods of installing and using the insert.

Abstract: A run-flat tire has a radial carcass reinforcement ply extending through a pair of opposing sidewalls and anchored in opposing bead portions. At least one of the bead portions having a bead heel and a bead toe wherein the bead heel is radially outward and axially inward from the bead toe. At least one of the bead portions has a bead composite and a bead apex therein. The bead composite has a maximum axial width WB, the axial width being measured perpendicular to the tire equatorial plane. The maximum axial width WB is greater than 50% of the maximum axial width W of the at least one bead portion, as measured from the opposing axial sides of the bead portion.

Abstract: This invention provides a low noise pneumatic tire allowed to achieve an efficient noise reduction effect by making full use of characteristics of a sound absorbing material. A pneumatic tire according to the present invention is a low noise pneumatic tire where a band-shaped sound absorbing material formed of a porous material whose apparent density defined in JIS K6400 is in a range of 10 to 70 kg/m3, is attached on the inner surface of a tread by use of an elastic fixing band.

Abstract: A tire support ring for pneumatic tires in the event of loss of inflation pressure is disclosed. The support ring comprises an annular main body and a plurality of noise dampers. The main body made is made of an elastic material and provided on both sides thereof with a plurality of holes each having a pair of opposite radially-extending side surfaces. The noise damper is made of a spongy material and inserted into the hole such that gaps of from 2.0 to 10.0 mm are formed between the side surfaces and the damper. The hole has a closed end, and in the hole, a hollow space is remained behind the inserted noise damper.