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| Number | Title | Issue Date |
| 7950427 | Shock absorber loaded in inner cavity of tire enclosed by tire for two-wheeler and rim 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... | 05/31/2011 |
| 7387143 | Tire filled with recycled and curable elastomeric material and method 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. ... | 06/17/2008 |
| 7234495 | Underground mine tire 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 ... | 06/26/2007 |
| 7231948 | Non-pneumatic tire 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, a... | 06/19/2007 |
| 7219707 | Enhanced hollow foam tire structure A hollow EVA foam tire structure includes a tire, a core and a rim. The core includes a plurality of sections substantially arranged into an annular shape and being hollow on both sides. A plurality of protruding block sections is disposed on the internal side of th... | 05/22/2007 |
| 7219452 | Trench wheel apparatus and method of use A trench wheel has a relatively thicker wheel center and gradually tapering side walls that produce a thinner wheel as distance from the hub increases. The wheel center is preferably fabricated from stamped metal into a hat or thimble shape, and has a skirt or brim ... | 05/22/2007 |
| 7156407 | Wheelchair tire A wheelchair tire has a carcass having a running profile applied to an interior side and optionally having a raised lettering. At least on an exterior tire wall, starting from a region later adjoining with wheel rim edges, to at least a first boundary plane extendin... | 01/02/2007 |
| 7129279 | Lightweight tire support and composition and method for making a tire support A polyurethane-polymer composition suitable for preparing a lightweight tire support includes at least one isocyanate, at least one polyol, and at least one chain extender. A polyurethane-polymer composition can also include an additive such as a catalyst, a filler,... | 10/31/2006 |
| 7125083 | Wheel with dual density A wheel is provided for coupling to a bearing case at an outer cylindrical surface and a lateral annular surface of the bearing case. The wheel includes an inner wheel portion with an annular body defining a central hole with an inner cylindrical surface and a later... | 10/24/2006 |
| 7110921 | Method for designing a profile die for polymer extrusion A method for designing a profile extrusion die is based on an analogy that exists between membrane deflection under pressure and low Reynolds number pressure driven fluid flow. The analogy is used to predict the relative shape of the die to correct for die swell or ... | 09/19/2006 |
| 7090306 | Inline wheel with softer tire and internal support structure A skate wheel including a tire support structure adapted to reduce roll resistance generally encountered from a tire comprising a 60 A to 75 A Shore hardness material. The tire support structure comprises a flexible torus portion proximal to an inner core, and a sub... | 08/15/2006 |
| 6988524 | Apparatus for making tires filled with flatproofing material 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... | 01/24/2006 |
| 6988521 | Non-inflatable tire and manufacture method thereof 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 materia... | 01/24/2006 |
| 6918979 | Method for making tires filled with flatproofing material 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... | 07/19/2005 |
| 6902240 | Wheel for an in-line skate A wheel for an in-line skate includes a hub composed of two halves. Each half has a centrally defined axle hole, a hollow cylinder formed on a periphery defining the axle hole, multiple rods formed on the inner side face, multiple indents defined in the inner side f... | 06/07/2005 |
| 6736176 | Tires 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 ... | 05/18/2004 |
| 6629550 | Method for producing a deflation-proof pneumatic tire and tire filling composition having high resilience 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 ha... | 10/07/2003 |
| 6623580 | Method of curing foam inflated tires and an improved rim A method for expanding and curing formable elastomeric material 2, which is placed in the cavity 14 of a previously molded tire 10, is disclosed. The tire 10 when filled with foamable rubber material 2 is mounted on a curing rim 20 and contacted with heat... | 09/23/2003 |
| 6450222 | Non-pneumatic tire having an elastomeric hoop A non-pneumatic tire having an elastomeric portion encompassing the tread and a radially inward foam portion. In the elastomeric portion, certain physical characteristics of the elastomeric portion differ between the tread surface and the radially inward ... | 09/17/2002 |
| 6431235 | Non-pneumatic tire and rim combination A non-pneumatic tire and rim whereto the tire is fitted as a wheel assembly that will display ride characteristics that are similar to those of a conventional pneumatic tire. The non-pneumatic tire is preferably formed from a urethane foam in a spin casti... | 08/13/2002 |
| 6209601 | Wheel for a vehicle including enclosed hollow foam member The invention relates to a novel wheel which serves for equipping with a pneumatic tire and essentially realizes two apparently incompatible properties of solid rubber tires and pneumatic tires, namely strength and good shock absorption, in a single wheel... | 04/03/2001 |
| 6187125 | Method for producing a deflation-proof pneumatic tire and tire filling composition having high resilience 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 ha... | 02/13/2001 |
| 6004662 | Flexible composite material with phase change thermal storage A highly flexible composite material having a flexible matrix containing a phase change thermal storage material. The composite material can be made to heat or cool the body or to act as a thermal buffer to protect the wearer from changing environmental c... | 12/21/1999 |
| 5922151 | Polyurethane skate wheel with shaped foam core An in-line skate wheel having a shaped foam core which cooperates with load bearing side walls to dictate degrees of flexure of such walls in response to loading thereof from different directions. The wheel structure includes a polyurethane tire body whic... | 07/13/1999 |
| 5840274 | Deflation resistant tire and insert apparatus In a tire inflation insert of the present invention, a tire casing contains a ring having a plurality of air filled spaces or pockets. The tire inflation insert comprises a roll of a flexible sheet, wrapped with a securing belt of material such as tape, w... | 11/24/1998 |
| 5704091 | Wheel for a vacuum cleaner nozzle or for a vacuum cleaner A wheel for a vacuum cleaner nozzle or for a vacuum cleaner having a central part (10a, 10b) of comparatively hard material to which a tread is secured. The tread (14) is formed from a soft material having a low friction coefficient, such as a felt materi... | 01/06/1998 |
| 5685925 | Filling for a puncture-proof pneumatic tire A filling for a puncture-proof pneumatic tire is formed by two half-toruses of elastomer or of rubber which are juxtaposed along an equatorial plane inside a tire cover and which are formed with a plurality of parallel channels of preferably hexagonal cro... | 11/11/1997 |
| 5685926 | Lightweight, safe and damage resistant tire having honeycomb core A lightweight, filler core tire construction for automotive and other vehicles, having a flexible composite outer layer structure and an inner flexible honeycomb core with a radial relief and said honeycomb is bonded to said outer layer, eliminating thus ... | 11/11/1997 |
| 5639319 | Wheel with molasses ballast and method A wheel (10) having a tire (12 ) is provided with a liquid molasses as a ballast (100). The tire can be tubeless or can contain a tube (28). The molasses is preferably desugared (less than 30% by weight sucrose) and is able to sustain a temperature of -30... | 06/17/1997 |
| 5494090 | Lightweight pressure-airless tire construction A lightweight, filler core tire construction for automobiles and other vehicles, having a flexible composite outer layer structure and a flexible honeycomb core bonded to said outer layer, eliminating pressurized air from the tire and increasing thus the ... | 02/27/1996 |
| 5468316 | Methods of manufacturing and installing elastomeric fills for use in pneumatic tire casings The preferred embodiment is directed to a pneumatic tire having a plurality of layers of high density foam rubber formed therein and methods of manufacturing and installing the layers therein. The preferred method of forming the layers of fill to be inser... | 11/21/1995 |
| 5435367 | Vehicle tire assembly A vehicle tire which comprises: a one piece tubular unit adapted to fit snugly over a vehicle wheel wherein said unit consists of a thick tire tread having a road-engaging surface and being formed of an elastomeric material such as rubber, synthetic rubbe... | 07/25/1995 |
| 5402839 | Tire with polyurethane/urea composition filling An economical composition capable of maintaining satisfactory Durometer hardness is formed by reacting a polyol, a polyisocyanate, and an aromatic polyamine in the presence of an extender oil. The polyisocyanate can be present in a first container of a ki... | 04/04/1995 |
| 5361817 | Heat-dissipating means of nest tire structure for a run-flat tire A heat-dissipating valve is formed on a steel rim of a car tire which includes an inner tire secured in an outer tire, whereby upon puncture of the outer tire, the inner tire, when compressed between the outer tire and the steel rim as loaded by a car wei... | 11/08/1994 |
| 5265658 | Puncture-proof tire having a core of elastomeric material A pressure chamber or core for an unpuncturable pneumatic tire is constituted by a toroidal cushion of elastomer material including mutually independent gastight cells containing a gas under pressure. The cells are substantially all of the same right cros... | 11/30/1993 |
| 5255410 | Vacuum cleaner A vacuum cleaner generally has a working head which is positioned on the floor surface when the machine is in use. The working head of a vacuum cleaner essentially includes a rotating brush, a suction blower and a motor for operating both the brush and th... | 10/26/1993 |
| 5090464 | Maintenance-free vehicle and cart tire A maintenance-free, non-pneumatic rubber tire for wheels of slow-moving vehicles such as wheelchairs, push-chairs and carts has a base (14) a rim (15), side walls (13) and a tread (11) of generally constant thickness along the width of the tire. The centr... | 02/25/1992 |
| 5073444 | Molded polypropylene foam tire cores A molded polypropylene foam tire core suitable for all types of wheels. The core may be inserted, in one or more sections, into a pneumatic-type tire casing and mounted on a wheel rim to provide puncture-proof and rupture-proof internal support for said t... | 12/17/1991 |
| 5070138 | Polyurethane elastomer tire fill compositions and method of making same A method for making a polyurethane elastomer tire fill composition wherein a mixture of a) a low functionality (2.0-2.3) 4,4'-diphenylmethane diisocyanate, such as a carboiimide-modified (2.0 functionality) 4,4'-diphenylmethane diisocyanate and b) a nonre... | 12/03/1991 |
| 4909972 | Method and apparatus for making a solid foamed tire core A method of making a solid core locatable between a wheel rim and a tire fitted to the rim, includes introducing a foamable composition into a mould cavity having a substantially inflexible mould surface. The cavity is suitably shaped so that a core locat... | 03/20/1990 |
