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| Number | Title | Issue Date |
| 7399172 | Apparatus for vacuum forming an elastomeric tire A vacuum forming apparatus and process for its use in forming a transport tire from an elastomeric material that includes a mold having a cavity or annular area wherein a transport tire core of plies, belt and beads is laid-up on a mandrel located within the mold. T... | 07/15/2008 |
| 7231949 | Wheel and tire assembly for recreational vehicles A wheel and tire assembly for recreational vehicles, such as mountainboards, motorized carts and pedaled carts is provided. The tire comprises a tire made of substantially inelastic material that will not stretch under a load. Thus, the tire will flatten under a loa... | 06/19/2007 |
| 6974519 | Tire core package for use in manufacturing a tire with belts, plies and beads and process of tire manufacture A system for manufacturing an elastomeric tire utilizing a separate formation of a package having a tire core shape and containing tire belts, plies and beads. The package is formed by a laying up of layers of pre-cure elastomer intradigitated with sections of porou... | 12/13/2005 |
| 6971426 | Elastomeric tire with arch shaped shoulders An elastomeric tire with arch shaped shoulders for mounting onto a rim that is manufactured by spin casting or molding methods that includes an annular cavity that is centered under the tire tread having equal thicknesses of side walls and an area under the tread wh... | 12/06/2005 |
| 6469101 | Vulcanizable rubber composition for treads of vehicle tires A vulcanizable rubber composition is described comprising a cross-linkable unsaturated chain polymeric base, wherein is incorporated at least one organic compound, solid at room temperature, selected from the group comprising: amorphous or semicrystalline... | 10/22/2002 |
| 6291588 | Vulcanizable rubber composition for treads of vehicle tires A vulcanizable rubber composition is described comprising a cross-linkable unsaturated chain polymeric base, wherein is incorporated at least one organic compound, solid at room temperature, selected from the group comprising: amorphous or semicrystalline... | 09/18/2001 |
| 6102091 | Hollow core pneumatic wheel having contour conforming polyurethane wall A urethane wheel including a hard urethane hub formed with a rim facing radially outward, and including stand-off ribs spaced equidistant thereabout. The stand-off ribs having centering notches opening radially outward. A thin wall polyurethane annular bl... | 08/15/2000 |
| 5908519 | Hollow core in-line skate wheel having contour conforming polyurethane wall A skate wheel including a hard urethane hub formed with a drop center between radially projecting guide flanges, and including stand-off ribs disposed in equidistant spaced relation thereabout. Pairs of centering fins are spaced axially along a number of ... | 06/01/1999 |
| 5641365 | Pre-pressurized in-line skate wheel A pre-pressurized in-line skate wheel including a hard polyurethane hub having a drop center formed between radially projecting guide flanges formed with axially projecting windows as spaced equidistant thereabout in an annular array. A bladder device inc... | 06/24/1997 |
| 5632829 | Pneumatic in-line skate wheel A pneumatic in-line skating wheel having a tire body and central hub chemically bonded during a polyurethane casting process and further including an annularly encapsulated air bladder centrally spaced within the tire body to provide shock absorption. The... | 05/27/1997 |
| 5630891 | Pneumatic in-line skate wheel A pneumatic in-line skating wheel having a tire body and central hub chemically bonded during a polyurethane casting process and further including an annularly encapsulated air bladder centrally spaced within the tire body to provide shock absorption and ... | 05/20/1997 |
| 5500447 | Anionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefrom An anionic polymerization initiator includes a carbon-lithio salt of the adduct of a cyclic secondary amine with a conjugated diene. A method of preparing an anionic polymerization initiator includes reacting an excess of a cyclic secondary amine with a c... | 03/19/1996 |
| 5385953 | Microcellular polyurethane composite A microcellular polyurethane composite material comprising desiccated rubber particles embedded in a microcellular matrix of polyurethane. Rubber particles derived from tires and other sources are combined with a desiccant to remove moisture present in th... | 01/31/1995 |
| 5223599 | Polyurethane elastomer and non-pneumatic tire fabricated therefrom A polyurethane elastomer exhibiting superior flex fatigue properties is obtained by reacting a mixture of isocyanate-terminated polyether prepolymers with at least one alkylthioaromatic amine curing agent. Optionally, the elastomer can be postcured for fu... | 06/29/1993 |
| 5015315 | Method of making a pneumatic tire There is disclosed a method for making a pneumatic tire comprising providing a pair of circular half body members including the pair of circular half body members with each other by welding their tread base portions to form a tire main body, applying a tr... | 05/14/1991 |
| 4936365 | Anisotropic tire A tire (10) is provided with a cast body (12). The cast body has an annular circumferentially extending isotropic portion (14) having a pair of anisotropic side portions (16,18) extending therefrom. The side portions are rendered anisotropic by geometric ... | 06/26/1990 |
| 4862939 | Stiffening ply formed . . . methods for obtaining such articles A stiffening ply intended for use in an article, particularly a pneumatic tire, is characterized by the fact that the ply is formed at least in part of a fabric having the following properties: (a) the fabric has a three-dimensional body and stiffening threads... | 09/05/1989 |
| 4787608 | Nylon bead reinforcement ring for fluid pressure devices Air springs or other fluid pressure devices have flexible elastomeric sleeves terminating in a pair of end beads which are clamped or crimped onto a pair of spaced end members. Each of the beads is reinforced by a solid annular ring of nonreinforced therm... | 11/29/1988 |
| 4711284 | Pneumatic tire A pneumatic tire produced of elastomers, especially cast or injection molded polyurethanes has an inner body in which a reinforcement is embedded and anchored by means of holding ropes. The inner body may be provided as a closed tubular body and is encase... | 12/08/1987 |
| 4625785 | Reinforcement ply for tire formed at least in part of a fabric with a three-dimensional body; tires comprising at least one such ply; methods of obtaining such tires A reinforcement ply intended for use in a tire is characterized by the fact that the reinforcement ply is formed, at least in part, of a fabric having the following properties: (a) the fabric comprises a three-dimensional body and reinforcement threads ar... | 12/02/1986 |
| 4580611 | Reinforcement ply for tire formed at least in part of a fabric with a three-dimensional body, tires comprising at least one such ply, methods of obtaining such tires A reinforcement ply intended for use in a tire is characterized by the fact that the reinforcement ply is formed, at least in part, of a fabric having the following properties: (a) the fabric comprises a three-dimensional body and reinforcement threads ar... | 04/08/1986 |
| 4519432 | Reinforced polyurethane tires This invention relates to reinforced tire utilizing polyurea or polyurethane formulations having low hysteresis. The polymer having low hysteresis is formed by reacting a prepolymer of an aromatic isocyanate and a high molecular weight difunctional polyol... | 05/28/1985 |
| 4476908 | Reinforcement for tires produced by molding A tire produced from at least one liquid or paste material which solidifies in a tire mold to form the elastomeric material of the tire, consisting of a crown with two shoulders each connected to a sidewall terminating in a bead containing at least one be... | 10/16/1984 |
| 4471826 | Pneumatic tire A motor vehicle pneumatic tire is made of polyurethane or another similar moldable material which hardens into an elastic plastic material and which has a substantially cylindrical or cylindrical belt insert mounted beneath the tread substantially compose... | 09/18/1984 |
| 4448620 | Method and apparatus for the injection molding and vulcanization of vehicle tires A vehicle tire crown portion 10 including a tread 11 is injection molded and prevulcanized in a closed annular mold cavity 17 defined by a segmented outer mold 16 clamped together by a locking ring 22 and a segmented core 19 pressed against the outer mold... | 05/15/1984 |
| 4444612 | Method and apparatus for the injection molding and vulcanization of vehicle tires A vehicle tire crown portion 10 including a tread 11 is injection molded and prevulcanized in a closed annular mold cavity 17 defined by a segmented outer mold 16 clamped together by a locking ring 22 and a segmented core 19 pressed against the outer mold... | 04/24/1984 |
| 4401502 | Method and apparatus for molding a tire with an annular reinforcement below the tread surface An apparatus for molding a tire with an annular reinforcement below the tread surface includes a first set of molding segments for molding a tire, a winding mechanism for winding a flexible reinforcement band or thread about the molded tire under tension ... | 08/30/1983 |
| 4393912 | Process for the manufacture of tires by molding In order that the stresses upon travel will be as small as possible in the region of the shoulders of a tire, it is molded between a mold and a core which together define a central zone and two lateral zones and, in each of the latter two, the median line... | 07/19/1983 |
| 4341251 | Tire and method of making A tire (10) produced via a molding or casting process in a manner such that each of its bead areas (16) includes an annular slot (42) whereby the slots permit the insertion of an inextensible annular reinforcement element (40) into each of the bead area s... | 07/27/1982 |
| 4336833 | Tubeless pneumatic tires A tubeless pneumatic tire comprising a body made entirely of an elastic material and cords embedded in the body and having a length not extending from bead to bead. The opposite ends of the cords are disposed in a pair of annular projections formed on the... | 06/29/1982 |
| 4315536 | Pneumatic tire A pneumatic tire comprising an encircling tread and two side members, wherein each side member comprises a side wall having a bead ring and part of the tread backing, characterized in that said tread backing has the following features: (a) the tread backi... | 02/16/1982 |
| 4313482 | Pneumatic tire and process for its manufacture This invention relates to a pneumatic tire comprising a tread surface and two separate side parts of an elastomeric synthetic resin and optionally reinforcing elements, wherein the side part not only forms the side wall of the tire but extends from the ri... | 02/02/1982 |
| 4312394 | Polyurethane pneumatic tire with neutral axis of sidewalls having increasing bending radius A pneumatic tire made of polyurethane elastomers or other moldable material which can be made into an elastic, plastic material by means of a chemical reaction is provided. The tire includes a belt which is mounted beneath the tread surface which essentia... | 01/26/1982 |
| 4309378 | Process for the production of pneumatic tires having particularly high dynamic strength The instant invention is directed to a process for the production of pneumatic tires having particularly high dynamic strength and low plastic deformability comprising casting or centrifugally casting the following liquid reaction system whose rapid harde... | 01/05/1982 |
| 4308907 | Vehicle tire and wheel construction with selective deformability A pneumatic tire and wheel construction having a tire annularly disposed around the wheel and engaged therewith to form an air space for pressurized air. The tire is formed by a pair of undeformable side wall portions each having inner edges including bea... | 01/05/1982 |
| 4307767 | Pneumatic tires for vehicle wheels A pneumatic tire for motor vehicles having a generally trapezoidal section with a top portion which is generally convex towards the outside and wider than any other part of the tire, beads, and two sidewalls. The sidewalls spread outwardly from the beads ... | 12/29/1981 |
| 4305446 | Cast tire and method of manufacture An annular hollow tire with an inner surface having a generally positive radius of curvature and at least one circumferentially extending rib portion on the inner surface with a negative radius of curvature located at an area of the tire subject to high s... | 12/15/1981 |
| 4257836 | Pneumatic tire This disclosure relates to a method of manufacturing a pneumatic tire having a cast body of viscoelastic material, a road-engaging tread surface and a girdle member of reinforcing cords located in the crown area of the cast body. The method comprises the ... | 03/24/1981 |
| 4253512 | Low pressure cordless and tubeless tire A low pressure cordless and tubeless tire is provided in the vicinity of the widest portion of the tire body with annular reinforcement ribs extending continuously or discontinuously along the entire circumference of the tire body at the side walls. Adjac... | 03/03/1981 |
| 4253513 | Cast tire and method of manufacture A tire having a pair of bead portions for mounting on a rim, a tread portion radially outward of said bead portions and connecting sidewalls is cast and cured from different liquid elastomer forming materials in a three-stage process. First, the inner lay... | 03/03/1981 |
