Class / Patent application number | Description | Number of patent applications / Date published |
152210000 | With embedded anti-skid elements | 21 |
20090056847 | STUDDED TIRE - A tire for vehicle a wheel includes a carcass structure including at least one carcass ply shaped in a substantially toroidal configuration, the opposite lateral edges of which are associated with respective right-hand and left-hand bead wires enclosed in respective beads; a belt structure applied in a circumferentially external position relative to the carcass structure; a tread band circumferentially superimposed on the belt structure, the tread band including a radially outer surface with a tread pattern including a plurality of longitudinal and transverse grooves which define a corresponding plurality of blocks and/or ribs; a plurality of studs partially projecting from the radially outer surface of the tread band; and a pair of side walls applied laterally on opposite sides relative to the carcass structure. The tread band includes a crosslinked elastomeric composition including at least one diene elastomeric polymer and at least one layered nanosized inorganic material as reinforcing filler. | 03-05-2009 |
20090165912 | TIRE WITH RETRACTABLE STUD - A retractable stud pin assembly is described for use in a conventional tire. The stud pin assembly includes a housing having an elastomer compartment and a spring in cooperation with the elastomer. A stud pin is mounted to the spring. The assembly may further optionally include a fluid compartment in cooperation with the elastomer compartment and the spring. The assembly may further include a second compression spring, which cooperates with the first spring and stud pin. An optional adjustment nut may be used to manually raise and lower the pin height as desired. An optional adjustment pin may also be used to extend into an optional fluid compartment to fine tune the pin height. | 07-02-2009 |
20100276045 | EXTENDABLE/RETRACTABLE STUDS FOR A TIRE - A tire includes a carcass, a tread band having a radially outer tread surface and a plurality of radially extending recesses, and an anti-slip structure disposed in one of the radially extending recesses. The structure includes a cylindrical housing with a cylindrical flange and a central channel and a stud portion with a shaft and a flange. The shaft is slidingly disposed within the central channel such that a radially outer tip of the shaft may selectably extend radially outward from the cylindrical housing and from the radially outer tread surface in order to enhance traction for the tire. The radially outer tip extends from the cylindrical housing and from the radially outer tread surface when a predetermined air pressure is introduced into the radially extending recess thereby forcing the flange of the stud portion radially outward to abut the cylindrical flange of the cylindrical housing. | 11-04-2010 |
20110088822 | STUDS FOR A TIRE - A tire includes a carcass, a tread band having a radially outer tread surface and a plurality of radially extending recesses, and an anti-slip structure disposed in one of the radially extending recesses. The anti-slip structure includes a first end portion, a second triangular middle portion, and a third triangular end portion. The third end portion includes three radially extending projections for providing traction over ice. The shape of the radially extending recess corresponds to the shape of the anti-slip structure such that the anti-slip structure is both radially and rotationally secured within the recess relative to the tread band of the tire. | 04-21-2011 |
20110088823 | STUDS FOR A TIRE - A tire includes a carcass, a tread band having a radially outer tread surface and a plurality of radially extending recesses, and an anti-slip structure disposed in one of the radially extending recesses. The anti-slip structure includes a first circular inner portion, a second outer portion, and a third core portion. The third core portion comprises an assembly of three pin structures for providing traction over ice. Each pin structure has a wedge-shaped base portion secured within the first circular inner portion and a pin extending through the second outer portion to the tread surface. The three wedge-shaped base portions combine to form a circular base portion for the assembly. | 04-21-2011 |
20110146865 | Tire Stud Provided with Recesses Configured to Improve its Retention in the Tire | 06-23-2011 |
20110162771 | Tire for Driving on Ice | 07-07-2011 |
20120067480 | VEHICLE WINTER TYRE AND STUD FOR THE TYRE - A winter tyre is equipped with studs. The number of studs in the tyre is greater than that stated in the amendment, dating 1 Jun. 2009, to the Finnish Ministry of Transport and Communications Decree 408/2003 concerning vehicle tyre studs. The shape of the stud together with the elasticity of the winter tyre rubber compound creates a piercing force of less than 120 N on the stud. The invention also relates to the stud for a tyre, the tip of the stud being resistant to wear and having a cross-section of 1.80-3.14 mm | 03-22-2012 |
20130000807 | ANTI-SKID STUD FOR INSERTION INTO THE TREAD OF A VEHICLE TIRE AND PNEUMATIC TIRE COMPRISING SUCH ANTI-SKID STUDS - An anti-skid stud for insertion into the tread of a vehicle tire is disclosed. The stud comprises a support body part extending in an axial direction and a pin body part, the support body part comprising a bottom portion, a middle portion, and a head portion having an upper surface, wherein the pin body part extends beyond the upper surface of the head portion, and wherein, when viewed in top view onto the head portion,
| 01-03-2013 |
20140116592 | All-weather Tire - An all-weather tire includes features that enhance safety and usability in a variety of driving conditions as well as some manufacturing processes that may be used during the production and provides an all-weather tire having selectively deployable and retractable studs for greater traction when needed. The tire includes a toroidal shell enclosing an air-filled chamber and a plurality of stud actuation chambers contained within the shell for selectively deploying studs to extend past the tire's outer radial surface for engaging a roadway or surface. The studs may be retracted when no longer needed. A mechanical pump assembly or plurality of such assemblies powered by compression of the tire engaging the roadway may be used as a power source for generating pneumatic pressure and an internal valve assembly or assemblies may be used to route the pneumatic pressure appropriately. The pump and valve assemblies may be controlled either mechanically or electrically. | 05-01-2014 |
20140326384 | STUDDED TIRE - Tire designed to roll on ground that may be covered with ice, comprising: a tread made of at least one rubber compound and having a tread surface, a plurality of housings opening onto the tread surface via an orifice and containing a stud, the orifice having a maximum dimension D0 on the tread surface when the stud is in the housing; the stud comprising: a base, designed to anchor the stud in the tread; a tip, designed to project from the tread in order to come into contact with the ice; a body connecting the base and the tip, the body having an axis of symmetry; and a longitudinal axis passing through the axis of symmetry of the body; wherein the tread surrounding the stud forms an anchoring platform for the stud, this platform in turn being surrounded by a cavity opening onto the tread surface so that the volume of recess opening onto the tread surface in a radius greater than or equal to D0/2 and less than or equal to D0/2+2 mm about the longitudinal axis of the stud is less than or equal to 20 mm | 11-06-2014 |
20140332134 | Wheel Suitable For Use With an Ice Adaptive Tire - A wheel for mounting a tire thereon is provided. The wheel includes a wheel rim including a pressurized air reservoir, at least one air input to the wheel rim being coupled to the pressurized air reservoir, and at least one valve coupled between the pressurized air reservoir and a corresponding at least one air output from the wheel rim, the at least one valve configured to selectably supply pressurized air to an interior of the tire when mounted on the wheel rim. | 11-13-2014 |
20140338806 | STUDDED TIRE - The invention relates to a studded tire the tread of which comprises a first part in contact with the ground and a second part placed radially to the inside of the first part, and at least one stud protruding from the tread, and the head of the stud being entirely anchored in the second part of the tread, in which the complex modulus G*(0° C.) of the rubber composition forming the first part of the tread is less than 1.5 MPa and in which the complex modulus G* of the rubber composition forming the second part of the tread varies with temperature such that G*(5° C.) is equal to or greater than 5 MPa and G*(20° C.) is less than or equal to 0.5G*(5° C.). | 11-20-2014 |
20140338807 | Bolt Assembly Providing Reciprocating Bolt and Associated Method - A bolt assembly provides a reciprocating bolt. The bolt assembly includes a bolt assembly body, a cap affixed to the bolt assembly body, and a base affixed to the bolt assembly body opposite the cap, wherein the bolt assembly body includes a bolt carrier having a cap end disposed proximally to the cap and a bolt receiving end disposed distally from the cap. The bolt assembly also includes a biasing mechanism biasing the bolt carrier in a retracted position relative to the bolt assembly, and an extension actuator including a diaphragm having a center portion disposed between the cap and the bolt assembly body, the center portion of the diaphragm being deflectable to enable the biasing of the bolt carrier in the retracted position, the center portion of the diaphragm being oppositely deflectable to apply an actuation force to the cap end of the bolt carrier so as to move the bolt carrier from the retracted position to an extended position relative to the bolt assembly. | 11-20-2014 |
20150020941 | DYNAMIC TRACTION CLEATED TIRES - A steel-cleated, all terrain tire has cleats that dynamically engage with changing road conditions, across slick ice and bridges, and while turning, breaking and accelerating on steep terrain. The tire design can provide stability and an enormous safety benefit in dangerous conditions, on demand, without the driver's intervention. The tire design can be used for military vehicles and aircraft, commercial jets, turboprop aircraft, heavy equipment, commercial diesel trucks, helicopters, law enforcement vehicles, fire and rescue vehicles, school buses, government vehicles, sport cars, and the like. The tire design include spring loaded cleats that can are spaced about and extend outward from the tire's surface. The spring load may be strong enough to permit the cleat to penetrate ice and the like, while not damaging asphalt or concrete roadways. | 01-22-2015 |
20160046156 | Stud Pin And Pneumatic Tire - A stud pin configured to be installed in a stud pin installation hole in a tread portion of a pneumatic tire includes a tip end which makes contact with a road surface; and a buried base embedded in the tread portion; pressure from the side surface of the stud pin installation hole on the bottom portion and the trunk portion securing the stud pin. The buried base extends in one direction and includes a flanged trunk portion provided between the bottom portion and the tip portion. The bottom portion includes a plurality of first recesses formed on and along an outer peripheral surface thereof that is in contact with a side surface of the stud pin installation hole. The trunk portion includes a plurality of second recesses formed on and along an outer peripheral surface thereof that is in contact with the side surface of the stud pin installation hole. | 02-18-2016 |
20160144669 | A Stud Unit for a Studded Tyre, a Studded Tyre, A Device for Remotely Adjusting a Studded Tyre, Vehicle and Operation of Device - A stud unit ( | 05-26-2016 |
20160159164 | Stud Pin, and Pneumatic Tire - A stud pin fitted into a tread portion of a pneumatic tire comprises a buried base portion extending in a direction, the buried base portion securing the stud pin in the tread portion by being pressed by a side surface of the stud pin installation hole upon the stud pin being embedded in the stud pin installation hole, and a tip portion connected to an end portion of the buried base portion in the extending direction, the tip portion protruding past the tread portion and coming into contact with a road surface upon the buried base portion being embedded in the stud pin installation hole. A connection portion of the tip portion with the buried base portion has a cross-sectional area in a plane orthogonal to the extending direction of the buried base portion greater than an area of the tip end surface. | 06-09-2016 |
20160167445 | ALL-WEATHER TIRE | 06-16-2016 |
20160200152 | ALL SEASON SAFETY TIRE | 07-14-2016 |
20180022047 | Tire Mold and Pneumatic Tire | 01-25-2018 |