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| Number | Title | Issue Date |
| 7314072 | Integral pressure regulation system for tires and other vessels containing compressible fluids An inflation and pressure regulation system for inflatable vessels, such as tires, has a main chamber containing a volume of compressible fluid, such as air, and a pump chamber which acts to maintain the fluid in the vessel at a desired pressure. The pump chamber ha... | 01/01/2008 |
| 7277008 | Sensor unit, method, device and sensor system for determining a side of a vehicle on which a wheel with a sensor unit is disposed A sensor unit for recording the direction of rotation of a wheel is embodied to record a variable that is characteristic for a direction of flow of an air stream in a tire of the wheel. To determine a side of a vehicle on which a wheel is disposed, a variable is rec... | 10/02/2007 |
| 7219540 | Tire pressure adjustment system The invention concerns a tire pressure adjusting system for setting the pressure in a tire mounted on a vehicle. A pressure source assigned to the vehicle and at least one connecting line are provided, with which the pressure source can be connected to a tire. The t... | 05/22/2007 |
| 7165587 | Toric reinforced air bag for safety tire and method of producing the same as well as method of producing shaped body for reinforcing layer The invention proposes a technique of preventing a propagation of a damage in a reinforcing layer to a toric air bag even if the reinforcing layer arranged on an outer peripheral side of the toric air bag in a safety tire to suppress an unnecessary size growth of th... | 01/23/2007 |
| 7131477 | Bead lock A bead lock including an insert casing and a bead spacer for providing an air passageway in a vehicle tire to be mounted on a wheel rim on which is located an insert valve and a rim lip for retention of the vehicle tire bead, the insert casing including an insert be... | 11/07/2006 |
| 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 |
| 6820667 | Dual compartment tire A dual compartment tire has a primary air compartment and a secondary air compartment that is internal to the primary air compartment. During ordinary travel, the primary air compartment is in contact with the road surface, with the secondary air compartment constit... | 11/23/2004 |
| 5800643 | Pneumatic inner tire Helical spring loop structures (inner tires) reduce vehicle accidents when tire failure occurs, reduce tire heat build-up and tread wear simultaneously. The structure, having an ability to cope with a vehicle's failed tire while in motion, provides a safe... | 09/01/1998 |
| 5538061 | Dual chamber safety tire A dual chamber inflatable safety tire mounted on a rim, said tire having an outer tire with an inner tire disposed within the outer tire forming an outer chamber and inner chamber, a one way valve means extending through the inner tire to enable air flow ... | 07/23/1996 |
| 5479976 | Three-chamber tire A three-chamber tire comprises a tire body including a bead mounted to a rim and an interior hollow space therewithin to form a service chamber; a low-pressure chamber mounted circumferentially around the interior hollow space of the tire, said low-pressu... | 01/02/1996 |
| 5301729 | Dual chamber safety tire A safety tire is provided having an outer tire with treads and a puncture resistant inner tire defining inner and outer chambers, a first inflation/deflation valve extending through the sidewall of the outer tire into the outer chamber, a one-way valve to... | 04/12/1994 |
| 5273093 | Racing tire assembly A wheel and tire assembly which includes inner and outer tubeless tires mounted on the wheel. The two tires together define inner and outer air chambers which are pressurized through separate air valves. The outer tire includes a plurality of radially spa... | 12/28/1993 |
| 5246050 | Tubeless shield and assembly A tubeless inner tire or shield 14 provides for easy assembly of the shield 14 into the outer tire 12 and over the rim 16 as compared to previous designs. The beads 43 in the shield comprise stranded filaments and the bead portion 40,42 of the shield 14 h... | 09/21/1993 |
| 5176764 | Tire assembly with inner and outer tires having cooperating vent components A tire assembly comprising outer and inner tires having at least one vent and one plug is described. The vents and plugs mate in the assembly providing an air tight seal in the bead seal region of the tires. The vents or plugs permit air to escape from th... | 01/05/1993 |
| 5115852 | Closed-torus tire and method for manufacturing same A mold member for use in manufacturing a closed-torus tire comprises an annular inflatable resilient member having a substantially cylindrical inner wall and a corrugated outer wall opposed thereto. At the beginning of a tire manufacturing process, the mo... | 05/26/1992 |
| 5109905 | Dual chamber pneumatic tire with the chambers separated by a collapsible partition wall A dual-chamber pneumatic tire having two separate concentric annular air chambers. The outermost air chamber, disposed behind the tire tread normally in contact with the ground has a relatively small volume, is toroidal and substantially elliptical in cro... | 05/05/1992 |
| 5035273 | Vehicle wheel rim device for mounting a first tire casing inwardly of a second tire casing, providing a safety emergency wheel device A vehicle wheel rim device of a type in which a first wheel rim carries a first tire casing, and having a second tire casing inwardly of the first tire casing, characterized by the provision of a second rim inwardly of the first rim, the generally circula... | 07/30/1991 |
| 4995438 | Multi-chambered pneumatic tire and wheel assembly having an inner tire and an outer tire A multi-chambered tire assembly (10) is provided by a pneumatic outer tire (12) mounted upon a rim (16) of a wheel and having an inner tire (14) or shield which is also mounted upon the rim (16). The inner tire (14) has a crown portion (36) spaced from th... | 02/26/1991 |
| 4884609 | No-flat tire insert A no-flat tire insert for use in vehicle tires. The tire insert includes a plurality of balloons all connected to a distribution manifold in a valve system. The distribution manifold inflates the plurality of balloons simultaneously during charging. The m... | 12/05/1989 |
| 4293017 | Dual-chamber pneumatic tire A dual-chamber pneumatic tire having two separate concentric annular air chambers. The outermost air chamber, disposed behind the tire tread normally in contact with the ground, is toroidal and substantially elliptical in cross-section, and is inflated at... | 10/06/1981 |
| 4262724 | Low pressure and run-flat warning system for a pneumatic tire A pneumatic run-flat insert for a pneumatic tire is provided with circumferential sections having different radii. During vehicle operation in a run-flat condition the different insert radii cause a vibratory disturbance at a wheel axle that alerts the dr... | 04/21/1981 |
| 4257467 | Run-flat tire In a pneumatic, tired wheel having a tubeless tire mounted on the rim of the wheel, the improvement comprising a toroidal support device to enable the tired wheel to travel in a flat state. The support device comprises an inflatable, toroidal, inner tube ... | 03/24/1981 |
| 4246948 | Pneumatic tire having a pneumatic safety insert with beads A pneumatic insert for a pneumatic tire comprises a generally toroidal-shaped hollow member having a pair of annular insert beads with sidewalls extending therefrom joined to an insert crown portion. Each insert bead has a foot portion with a projecting e... | 01/27/1981 |
| 4216809 | Pneumatic tire having a run-flat insert structure A run-flat insert structure for a pneumatic tire is disclosed in which the insert structure comprises a homogeneous elastomeric material and is fully enclosed and pneumatically inflated. The insert structure is mounted within the cavity formed by the pneu... | 08/12/1980 |
| 4153095 | Pneumatic tire having a pneumatic safety insert with beads A pneumatic insert for a pneumatic tire comprises a generally toroidal shaped hollow member having a pair of annular insert beads with sidewalls extending therefrom joined to an insert crown portion. An annular flap portion is joined to the outer surface ... | 05/08/1979 |
| 4137894 | Pneumatic tire, rim and run-flat system combination This disclosure relates to a tire and rim combination having run-flat capabilites. These capabilities are provided by a run-flat support system which is comprised of a pneumatic tube member located in the drop center area of the rim and an annular, "free-... | 02/06/1979 |
| 4125691 | Zero pressure device such as tires or run-flat rings A zero pressure device is composed of either a microcellular or homogeneous polyurethane made by reacting an organic polyisocyanate with at least three polyols, a monomeric polyol of 2 to 3 hydroxyls having a molecular weight less than 250, a polyether tr... | 11/14/1978 |
| 4121640 | Pneumatic tire for a vehicle wheel A pneumatic tire for a vehicle wheel, according to which in the hollow chamber of the pneumatic tire there is arranged a hollow emergency ring or an emergency tube with one or more peripheral protrusions having running-up flanks which when moving into the... | 10/24/1978 |
| 3993114 | Pneumatic tire This invention relates to pneumatic tires and more particularly to a so-called safety tire comprising a carcass having a tube accommodated therein and spaced from the carcass to form inner and outer air chambers. A loose, circumferentially extending, punc... | 11/23/1976 |
| 3941176 | Safety tire A two-chamber safety tire for automotive vehicles capable of supporting the weight of the vehicle when either partially or completely deflated, thus allowing continued operation of up to about 50-100 miles. The outer chamber is constituted of an ordinary ... | 03/02/1976 |
| 3935892 | Pneumatic tired wheel A pneumatic tired wheel having excellent highspeed performance after puncture comprises a tubeless tire, a bead stopper and a rim. The tubeless tire comprises a pair of elastic reinforcements having a Shore A hardness of at least 47, the bead stopper comp... | 02/03/1976 |
