Abstract: A non-pneumatic tire comprises: a band part including an inner band and an outer band, the outer band being separated from the inner band by a predetermined distance to surround the inner band; and a spoke part provided to extend in a circumferential direction of the tire between the inner band and the outer band, the spoke part including one or more holes when viewed in the circumferential direction and one or more holes when viewed in an axial direction of the tire.

Abstract: A method of performing preventative maintenance on an auger in a tire filling mixing machine, by: (a) mixing a polyurethane isocyanate and a catalyst in a first mixer to form a virgin polyurethane; (b) grinding polyurethane core bits in a grinder, the grinder having an auger and a motor; (c) mixing the virgin polyurethane and the ground core bits in a second mixer thereby forming a mixed flatproofing material; (d) injecting the mixed flatproofing material into a tire; (e) measuring vibration of the auger; and (f) comparing the measured vibration of the auger to a predefined maximum vibration; and (g) removing the auger from the grinder if the measured vibration exceeds the pre-defined maximum vibration for a predefined period of time, or removing the auger from the grinder if the measured temperature of the auger exceeds the pre-defined maximum temperature for a predefined period of time.

Abstract: A method of performing preventative maintenance on an auger in a tire filling mixing machine, by: (a) mixing a polyurethane isocyanate and a catalyst in a first mixer to form a virgin polyurethane; (b) grinding polyurethane core bits in a grinder, the grinder having an auger and a motor; (c) mixing the virgin polyurethane and the ground core bits in a second mixer thereby forming a mixed flatproofing material; (d) injecting the mixed flatproofing material into a tire; (e) measuring vibration of the auger; and (f) comparing the measured vibration of the auger to a predefined maximum vibration; and (g) removing the auger from the grinder if the measured vibration exceeds the pre-defined maximum vibration for a predefined period of time, or removing the auger from the grinder if the measured temperature of the auger exceeds the pre-defined maximum temperature for a predefined period of time.

Abstract: A non-pneumatic tire is described that includes a ground contacting annular tread portion, a shear band, wherein the shear band is formed of a first and second inextensible layer, and a low modulus material positioned between the first and second inextensible layer. The non-pneumatic tire further includes a connecting web positioned between a hub and the shear band, wherein the connecting web is formed of one or more spokes extending from an inner ring to an outer ring, wherein the one or more spokes are formed from a material reinforced with a three dimensional spacer structure.

Abstract: In view of the above, the disclosure provides a non-pneumatic tire capable of enhancing a load supporting performance and a shock absorbing effect and improving a braking and traction performance. The present disclosure provides a non-pneumatic tire comprising a band part and a spoke part; where, a band part includes an inner band and an outer band that is separated from the inner band and surrounds an outer peripheral surface of the inner band; and where, a spoke part includes a plurality of first spokes that is arranged in a circumferential direction between the inner band and the outer band and connects the inner band and the outer band. Furthermore, according to another embodiment, a spoke part may include second spokes that connected to first spokes adjacent to each other at wherein first embodiment.

Abstract: The disclosure is related to compositions including viscoelastic materials. The compositions are suitable for use in earpieces such as in-ear earpieces.

Abstract: The inner wall of a pneumatic tyre, in the vulcanized state, is provided with a layer of polyurethane foam, characterized in that the polyurethane is based on a diphenylmethane diisocyanate (MDI), in particular 4,4?-diphenylmethane diisocyanate, and on a polyol having an ethylene oxide content of greater than 50% (% by weight). This specific polyurethane formulation makes it possible to obtain a light foam that efficiently absorbs noise; it has the advantages of being simple and inexpensive and of being easy to process by direct casting of the reactants in the pneumatic tyre of the invention.

Abstract: A low vibration and noise reduction exercise mat unit has a buffer plate and multiple protruding portions. The buffer plate has a board, multiple male buckles, and multiple female buckles. The board is quadrilateral and has a bottom, a recess, and a flange. The recess is formed on a bottom surface of the board. The flange is formed around the recess. The multiple protruding portions are disposed at spaced intervals in the recess of the board. The multiple protruding portions protrude downwardly from an inner top surface of the recess of the board. The buffer plate and the multiple protruding portions are made of natural rubber, will not affect the human body, and are stable in quality. The male buckles and female buckles can enhance the connecting strength between the mat units.

Abstract: A non-pneumatic tire for supporting a load by working in tension comprising a generally annular inner ring, a generally annular outer ring, and an interconnected web having a plurality of web elements and comprising a plurality of generally polygonal openings. Web elements are sized, oriented and comprised of a material that facilitates buckling when subjected to a compressive load. By buckling, those elements in a deformed portion of the tire between a wheel and a footprint region where the tire contacts a surface can assume a significantly reduced portion of the load, if any. This causes web elements in other portions of the interconnected web to operate in tension to support the load.

Abstract: Methods of forming a tire 4 directly on a wheel in which the wheel has a conduit which runs between its hub and rim. A mold is placed over the wheel in order to form a cavity between an inner surface of the mold and the wheel's rim. Liquid materials to form the tire 4 are injected into the cavity via the conduit and the wheel spun to distribute the materials throughout the cavity, which materials solidify to form the tire 4 attached to the wheel. The method includes the step of placing a hub cap 6 over a face of the wheel prior to placing the mold and sealing the hub cap 6 to the wheel during the molding process. The tire 4 may have a substantially hollow interior 50 which may include a flexible web 18 sealed within the rim of the wheel by the hub cap 6.

Abstract: Long-lasting targets that can be repeatedly used (e.g., shot with a firearm) are disclosed. In some embodiments, the target includes a base that optionally has wheels, at least one post assembly comprising a bottom end connected to the base and a top end, and a target body connected to the at least one post assembly. Optionally, the target body is comprised of a polyurethane. Optionally, the target includes two post assemblies and the target has an expanded position for use and a collapsed position for storage. Methods of preparing targets using a mold are also described herein.

Abstract: A mining vehicle including a movable carrier, at least one boom having a plurality of boom joints, several boom actuators for moving the boom in different positions, at least one mining work device being arranged at a distal portion of the boom, and at least one control unit for controlling the position of at least one of the boom and the mining work device. The mining vehicle further including observing device for obtaining information indicative of a position of at least one of the boom and the mining work device in which collision to an obstacle can be avoided. The control unit is configured to control the position of at least one of the boom and the mining work device in response to the obtained information to avoid hitting the obstacle when the mining vehicle moves.

Abstract: A non-pneumatic tire comprising one or more radial regions have differing Shore A/Shore D hardness. The non-pneumatic tire comprises side cavities that are staggered with respect to laterally opposing side cavities, and laterally extending tread grooves that are in substantial radial alignment with or substantially offset relative to the cavities. One radial region may comprising the side cavities, while another radial region with a different hardness comprises the tread grooves. Also provided are processes for making such tires and to off-the-road (OTR) vehicles employing such tires.

Abstract: A method is provided for reinforcement of a multiple layer shear band as may be used in a non-pneumatic tire. More particularly, a method of improving the performance characteristics (such as e.g., increasing the bending stiffness) of a shear band without increasing its thickness or to reducing the thickness of a shear band while maintaining its performance characteristics and to shear bands constructed according to such method is provided as well as shear bands constructed according to such method.

Abstract: A shear layer for a shear band that is used in a tire is provided that has multiple cells having a chiral configuration. The chiral configuration may be hexagonal or tetrachiral or have other configurations.

Abstract: A solid vacuum wheel and tire assembly incorporating a vacuum to adhere a solid tire in place against a wheel rim, allowing for safe and reliable operation. The assembly incorporates a flexible solid tire core which contracts into place after a vacuum is applied, contracting and adhering directly onto the wheel rim and filling a void between the rim and tire, having no air pressure to go flat or release if punctured. Vacuum channels installed along the wheel rim direct a vacuum seal to the tire core. A vacuum valve is installed into a vacuum chamber, which acts as a conduit to direct the vacuum throughout the assembly. The solid tire incorporates a possible concave shaped tire tread configuration, tire tread rubber and a steel belt. The solid tire core material comprising of solid or porous rubber, jell or a combination of each provides a solid flexible non-pneumatic core structure.

Abstract: A molded tire may include a support structure having an inner circumferential portion and an outer circumferential portion. The inner circumferential portion may be configured to be associated with a hub. The molded tire may also include a tread portion associated with the outer circumferential portion of the support structure, wherein the tread portion may be formed from a first polyurethane having first material characteristics. The support structure may be formed from a second polyurethane having second material characteristics different than the first material characteristics. The support structure may be chemically bonded to the tread portion.

Abstract: A tyre (2) suitable for use with a forklift truck which includes a first outer layer (4) of polymeric material and one or more layers of polymeric material substantially under the first layer (4). The outermost layer (4) is substantially more flexible than the one or more layers underneath the same.

Abstract: This invention relates generally to shear band of a tire that has means for inducing buckling when the tire is subjected to high deformations, and, more specifically, to a tire that has a shear band with at least one membrane that has a reinforcement having predetermined configurations for controlling the buckling behavior of the reinforcement when the membrane is subjected to compressive stress.

Abstract: A non-pneumatic tire includes an inner circumferential barrier configured to be coupled to a hub, an outer circumferential barrier radially spaced from the inner circumferential barrier, and a support structure coupling the inner circumferential barrier to the outer circumferential barrier. The support structure at least partially defines a first axial side of the tire and a second axial side of the tire opposite the first axial side of the tire. The support structure includes a plurality of ribs extending between the inner circumferential barrier and the outer circumferential barrier, wherein the plurality of ribs define a plurality of cavities extending between the first axial side of the tire and the second axial side of the tire. At least some of the cavities each define an axial cross-section that varies at points between the first axial side of the tire and the second axial side of the tire.

Abstract: A non-pneumatic tire includes an inner circumferential barrier configured to be coupled to a hub, an outer circumferential barrier radially spaced from the inner circumferential barrier, and a support structure extending between the inner circumferential barrier and the outer circumferential barrier and coupling the inner circumferential barrier to the outer circumferential barrier. The support structure includes a plurality of ribs extending between the inner circumferential barrier and the outer circumferential barrier. The support structure at least partially defines a first axial side of the tire and a second axial side of the tire opposite the first axial side of the tire. The first and second axial sides of the tire define an axial width of the support structure. The axial width of the support structure varies as the support structure extends between the inner circumferential barrier and the outer circumferential barrier.

Abstract: A non-pneumatic tire includes an inner circumferential barrier configured to be coupled to a hub, an outer circumferential barrier radially spaced from the inner circumferential barrier, and a support structure coupling the inner circumferential barrier to the outer circumferential barrier. The support structure at least partially defines a first axial side of the tire and a second axial side of the tire opposite the first axial side of the tire. The support structure includes a plurality of first ribs and a plurality of second ribs extending between the inner circumferential barrier and the outer circumferential barrier. At least some of the plurality of first ribs extend from the first axial side of the tire toward the second axial side of the tire, such that the at least some first ribs terminate prior to reaching the second axial side of the tire.

Abstract: A non-pneumatic tire includes an inner circumferential barrier, an outer circumferential barrier radially spaced from the inner circumferential barrier, and a support structure extending between the inner and outer circumferential barriers. The support structure includes a plurality of first ribs extending between the inner and outer circumferential barriers. The first ribs have a cross-section substantially perpendicular to an axial direction of the tire, with the cross-section having a first curvilinear shape, wherein the first curvilinear shape is a curve having either a single direction of curvature or a direction of curvature that changes once. The support structure also includes a plurality of second ribs extending between the inner and outer circumferential barriers. At least some of the first ribs intersect at least some of the second ribs such that intersecting first ribs and second ribs share common material at points of intersection.

Abstract: A shear layer for a shear band that is used in a tire is provided that has multiple cells or units having an auxetic configuration and that are constructed from aluminum or titanium alloys. The cells may have an angle of ?10°.

Abstract: A foam wheel assembling and positioning structure includes a wheel frame having a plurality of ribbed plates thereon and a wheel body covering the ribbed plates. The wheel body has a penetration hole. A first fixing part is formed on a peripheral edge of the penetration hole and provided with a plurality of first fixing holes thereon. Two wheel covers are fixed oppositely on the wheel frame. Each wheel cover has a positioning hole thereon, and a positioning screw penetrates into the positioning hole and is screw-locked with a positioning nut. Furthermore, a peripheral edge of each wheel cover has a second fixing part which has second fixing holes thereon. A fixing element is fixed in the first and second fixing hole, so as to fix the wheel body onto the wheel frame and the wheel covers, thereby avoiding detachment caused by relative sliding during traveling.

Abstract: The present invention relates to a composite ball-bouncing tire, comprising a subtire and an inner tube inside it, wherein the subtire includes a space between a ring-shaped base and its side walls, and the space includes a plurality of rails and fastening grooves that are arranged at intervals on its inner walls. A slope part that converges against the rolling-forward direction is established atop on both sides of the plurality of the rails, and at the bottom of the fastening grooves, there is a plurality of fixing grooves. One or more resilient balls are established in each rail and the inner tube includes a plurality of fixing parts on top of outer walls of a base component. When the subtire and inner tube rolls, the resilient balls will be pushed into the rails along the slope part and be pressed to bounce, thus producing supplementary force to drive the tire to move forward.

Abstract: The present invention provides a stuffed tire for lightweight vehicles, comprising: a wheel; a tire casing, mounted onto the wheel; a harder elastic structure, installed inside the tire casing, and having an end abutted against the wheel; and a softer elastic filler, filled into the tire casing, and having an end abutted against another end of the harder elastic structure, so as to enhance the supporting strength of the tire and the balance of the rotating tire.

Abstract: A non-pneumatic tire for supporting a load by working in tension comprising a generally annular inner ring, a generally annular outer ring, and an interconnected web having a plurality of web elements and comprising a plurality of generally polygonal openings. Web elements are sized, oriented and comprised of a material that facilitates buckling when subjected to a compressive load. By buckling, those elements in a deformed portion of the tire between a wheel and a footprint region where the tire contacts a surface can assume a significantly reduced portion of the load, if any. This causes web elements in other portions of the interconnected web to operate in tension to support the load.

Abstract: A solid vacuum wheel and tire assembly incorporating a vacuum to adhere a solid tire in place against a wheel rim, allowing for safe and reliable operation. The assembly incorporates a flexible solid tire core which contracts into place after a vacuum is applied, contracting and adhering directly onto the wheel rim and filling a void between the rim and tire, having no air pressure to go flat or release if punctured. Vacuum channels installed along the wheel rim direct a vacuum seal to the tire core. A vacuum valve is installed into a vacuum chamber, which acts as a conduit to direct the vacuum throughout the assembly. The solid tire incorporates a possible concave shaped tire tread configuration, tire tread rubber and a steel belt. The solid tire core material comprising of solid or porous rubber, jell or a combination of each provides a solid flexible non-pneumatic core structure.

Abstract: This invention relates generally to shear band of a tire that has means for inducing buckling when the tire is subjected to high deformations, and, more specifically, to a tire that has a shear band with at least one membrane that has a reinforcement having predetermined configurations for controlling the buckling behavior of the reinforcement when the membrane is subjected to compressive stress.

Abstract: A tire filling material comprises a polyurethane or polyurethane-urea elastomer that is extended with a C1-C4 ester of one or more fatty acids. The fatty acid esters are compatible with the elastomer and with the reactive materials that are used to make the elastomer. The tire filling material is soft and has physical properties that are suitable for tire filling applications.

Abstract: The present invention provides a shock absorber loaded in the inner cavity of a tire enclosed by a tire for a two-wheeler and a rim, which exhibits suitable hardness when starting running and is excellent in cushioning property, both when starting running and during running, due to decrease in hardness as the temperature increases while running. Specifically, the present invention relates to a shock absorber which is loaded in the inner cavity of a tire enclosed by a tire for a two-wheeler and a rim and contacts substantially with the entire inner surface of a tire to be compressed, is circular in the tire circumferential direction and has closed cells; the shock absorber comprising an expanded rubber composition containing at least 5 parts by weight of an organic polymer having a softening point of at least 40° C., based on 100 parts by weight of a rubber component.

Abstract: A non-pneumatic tire for supporting a load by working in tension comprising a generally annular inner ring, a generally annular outer ring, and an interconnected web having a plurality of web elements and comprising a plurality of generally polygonal openings. Web elements are sized, curved, oriented, and comprised of varying thicknesses of material which facilitates buckling when subjected to a compressive load. By buckling, those elements in a deformed portion of the tire between a wheel and a footprint region where the tire contacts a surface can assume a significantly reduced portion of the load, if any. This causes web elements in other portions of the interconnected web to operate in tension to support the load.

Abstract: The present invention relates to a pneumatic tire having its internal cavity filled with a closed cellular rubber contained within the tire cavity by a non-foamed rubber layer.

Abstract: A tubeless tire is embedded with elliptical cylinder-shaped elastic members. The tubeless bicycle tire has a multiple number of elliptical cylinder-shaped elastic members arranged at regular intervals along the circular tubeless tire and extends through to sides of the tubeless tire. The major axis of each elastic member is fixed integrally with the tire member, being arranged in a radial direction toward a rotational axis of the tubeless tire. The tire is reinforced with elastic force of the elastic members. The tire does not excessively flatten by a load at the portion of the tire touching the road. After leaving the road, the tire restores its original form swiftly by combined elastic force of the tire and elastic rebound of the elastic members. The tire does not flatten again before it restores its original form. The tire produces a safe and longer life free from puncture.

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: An apparatus and method for filling a tire and wheel assembly cavity, that can be a large tire and wheel, with a flexible closed cell polyurethane foam that is passed as a mixture of reacting constituents through a fill hose whose end is fitted between the tire bead and wheel rim, and after filling and removal of the fill hose end, providing for lifting and maintaining the tire bead in engagement with the wheel rim as the reacting materials complete their reaction, uniformly filling the tire and wheel cavity with the flexible closed cell polyurethane foam that has expanded and urges the tire bead into sealing engagement with the wheel rim.

Abstract: An adjustable insert for a tire. A tire includes an annular body of elastomeric material. The annular body may include a plurality of unpressurized cavities. A plurality of adjustable inserts may be arranged in the plurality of unpressurized cavities. The adjustable inserts may have an expandable portion sized to fit in a portion of the unpressurized cavities. The adjustable insert may be configured to adjust a compression of each cavity and modify the deflection rate of the tire.

Abstract: The present invention relates to a pneumatic tire having its internal cavity filled with a closed cellular rubber contained within the tire cavity by a non-foamed rubber layer.

Abstract: A first tire having a cavity filled with cured and foamed elastomeric material and a recycled foamed elastomeric material. The recycled foamed elastomeric material was removed from a second tire for recycling in the first tire.

Abstract: To provide a non-pneumatic tire, including a spoke structure, which can be easily mounted on a rim of a wheel. In addition, to provide a non-pneumatic tire whose durability is improved by suppressing the buckling of a spoke structure. [Solving Means] Provided is a non-pneumatic tire including a spoke structure (5) and a tread ring (11). The spoke structure (5) includes a cylindrical outer member (2) and a cylindrical inner member (3) which are concentrically arranged, and which are connected to each other with a plurality of fins (4, 4?) arranged in between at intervals in the circumferential direction. The tread ring (11) is fitted onto the outer periphery of the spoke structure (5). In the pneumatic tire, the spoke structure (5) is divided in the tire circumferential direction into at least two circumferential-direction separate structures (511, 521, 531).

Abstract: An underground mine tire 20 having a nominal bead diameter of 20.0 inches or less has a carcass, a tread 25 and a pair of rubber sidewalls 23, each extending along the outer periphery of the carcass 21 below the tread 25. The tire 20 has a nominal bead width D greater than 8.50 inches and an overall diameter of less than 55 inches. The carcass 21 has at least one radial steel cord reinforced ply 24.

Abstract: A non-pneumatic tire comprising a toroidal-shaped tube having inner and outer circumferential surfaces and opposite side surfaces collectively forming a hollow chamber therebetween, the tube having at least two openings proximate the inner circumferential surface, and a solid fill composition disposed in the hollow chamber of the tube. The non-pneumatic tire provides the benefits of a smooth, comfortable ride, durability, and lightweight with good load-carrying capability.

Abstract: This invention pertains to a tire which supports load by means of compressing the tire's elastomeric structure and requires no internal inflation pressure. The preferred embodiments utilize circumferential ribs or radially oriented ribs of elastomer to support the load.

Abstract: A non-inflatable tire comprises a rim, an inner tire layer made of foamed material, and an outer tire layer formed by rotational molding or injection molding to encircle the rim and having at least an injection orifice at a side surface thereof for injecting material of the inner tire layer, wherein the material of the inner tire layer is injected into and foamed in the outer tire layer to form the inner tire layer such that the outer tire layer, the inner tire layer, and the rim are tightly connected with one another.

Abstract: A tire, and an apparatus and method for forming a tire. The tire may either be a tubed or tubeless tire, and is filled with a mixture of virgin rubber and small rubber pieces. Preferably, a machine grinds the core of used flatproofed tires, or pieces thereof, into a finely communicated pulverulent. The pulverent is mixed with liquid virgin flatproofing material, such as a polyurethane. An injector introduces this mixture, into the core of a tire, typically through a valve. The core of the tire is preferably substantially filled with this mixture. The injector may take the form of one or more elongated screws and the mixing may occur as the ground rubber is being conveyed by the screw.

Abstract: A tire, and an apparatus and method for forming a tire. The tire may either be a tubed or tubeless tire, and is filled with a mixture of virgin rubber and small rubber pieces. Preferably, a machine grinds the core of used flatproofed tires, or pieces thereof, into a finely communicated pulverulent. The pulverent is mixed with liquid virgin flatproofing material, such as a polyurethane. An injector introduces this mixture, into the core of a tire, typically through a valve. The core of the tire is preferably substantially filled with this mixture. The injector may take the form of one or more elongated screws and the mixing may occur as the ground rubber is being conveyed by the screw.

Abstract: There is disclosed a polyurethane filled vehicle tire. The tire at least partially defines a hollow cavity, which is at least partially filled with cured frothed polyurethane foam. A method of producing a polyurethane filled tire is also disclosed.

Abstract: A tire capable of stably running even if the tire is subjected to external injury without sacrificing rolling resistance and ride comfort in the usual running before being subjected to external injury, is provided. A composite body consists of a continuous phase of a resin and closed cells arranged in an inside of a hollow doughnut-shaped tire and the composite body has a cell content of 80.00 vol % to 98.75 vol %, and an internal pressure at 25° C. in the closed cell included therein is not less than 150 kPa as an absolute pressure.

Abstract: The present invention is directed to a method for producing a cured tire filling composition and the composition resulting from such a method. A mixture of a polyisocyanate having an average functionality of at least 2.3; a high molecular weight polyol having a hydroxyl number in the range of about 20 to about 31 and having an actual functionality of greater than 2.1; 6 to 65 weight percent of a polar plasticizing extender oil; and no greater than 0.5 weight percent polyamine is cured in the presence of a catalyst to form a polyurethane elastomer having a vertical rebound of greater than about 60% based on ASTM D2632 and a Durometer hardness in the range of about 5 to 60 (Shore A). The mixture is used to fill a tire prior to curing the composition within the tire casing and results in a deflation-proof tire that has considerably longer road testing life than tire filling compositions currently available.