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Match Document Document Title
7562683 Pneumatic tire with tread having blocks and bridge portions  
It is an object of the present invention to provide a pneumatic tire capable of securing rigidity of a tip end of a block, and effectively preventing deviated wear of a tread surface. In a tread...
7537033 Pneumatic tire with tread including circumferential grooves having inclined ridges or recesses  
A pneumatic tire which positively discharges water having flowed into a groove extending in the tire circumferential direction and enhances capability of preventing hydroplaning. The groove is...
7490645 Pneumatic tire with tread having sipe in tie bar  
A pneumatic tire which includes a tie bar in a lateral groove disposed in a block array, the tie bar connecting adjacent blocks in a circumferential direction through the lateral groove. The tie...
7484542 Tire tread with sipes having tie bars  
A tire tread has at least three rows of tread elements, each tread element in the at rows has at least one sipe and at least one sipe in each tread element row has a tie bar therein. Each tie bar...
7461677 Pneumatic tire having bell shaped wide width main grooves  
A pneumatic tire suitable for competitive sports has a specified tread pattern comprising a central region and both shoulder regions, in which a plurality of bell-shaped wide-width main grooves...
7434606 Pneumatic tire with tread having continuous ribs and block rows  
A tread surface 2 is divided by inner and outer longitudinal grooves 3 a and 3 b located on opposite sides of the tire equator into a central land portion 4 i , intermediate land portions 4...
7422043 Pneumatic tire with tread having circumferential sub-grooves including at least three raised portions  
A pneumatic tire is provided, where the rigidity of the blocks formed on the tread surface is increased and an increase in the level of noise when the tread surface is worn can be prevented. In a...
7380577 Tread pattern having at least one inserted element  
A tread of rubber mix provided with a tread pattern formed by a plurality of elements in relief ( 1 ) defining grooves or incisions, this tread furthermore comprising at least one inserted element...
7341082 Shoulder ribs for pneumatic tires  
A pneumatic tire with a shoulder rib and lateral grooves defined in a shoulder rib. A tread and shoulder of the tire are joined along a shoulder edge. The tread includes a circumferential groove...
7341083 Pneumatic radial tire with tread having blocks provided with sipes  
A wheel tread part 2 of a tread is constituted of a longitudinal main groove 3 formed in a circumferential direction via a center of a width direction, a plurality of longitudinal subgrooves 4...
7281555 Off-the-road tire  
The invention is to improve wear resistance and resistance to crack growth of an off-the-road tire having a gauge of a tread rubber of 60-200 mm, in which a plurality of widthwise grooves extending...
7276198 Method and mold for making tire with tie bar  
A tire having an outer surface and plurality of circumferential and lateral grooves formed into the outer surface. The circumferential and lateral grooves extend to at least one groove depth to...
7237588 Pneumatic tire including zigzag sipes  
A pneumatic tire includes a tread portion provided in a tread face thereof with tread elements each provided with at least one zigzag sipe, a cap tread rubber defining the tread face, and a base...
7213625 Tread which reduces running noise  
A tire tread including a tread pattern formed by a plurality of motifs in relief defined by grooves oriented in the transverse direction and in the longitudinal direction of the tread, each of...
7195044 Pneumatic tire with tread including biting elements  
A pneumatic tire with a tread has at least two axially adjacent tread elements, the elements being separated by a groove and each element having opposing lateral sides. Connecting the axially...
7178570 Pneumatic tire including main and auxiliary oblique grooves in axially inner region of tread  
A pneumatic tire is provided in the tread portion with circumferential grooves, main oblique grooves and auxiliary oblique grooves. The circumferential grooves include: a pair of axially outer...
7163039 High-performance tire for a motor vehicle  
A high-performance tire for a motor vehicle includes a carcass and tread band. The tire may be, for example, of the asymmetrical or directional type. The tread band includes a pattern including a...
7152641 Heavy-duty pneumatic tire having non-contact rib and shoulder blocks  
A heavy-duty pneumatic tire designed to suppress the occurrence of heel-and-toe wear in the shoulder blocks while maintaining good drainage and traction performance through the final stage of the...
7134467 Low net to gross OTR tire  
A pneumatic off-the-road (OTR) tire has a plurality of central and shoulder lugs. The central lugs are arranged in a circumferentially continuous row and extend across the equatorial plane (EP)....
7114539 Bicycle tire having tread with projecting ribs  
A bicycle tire 10 is described having a tread that comprises transverse channels defining a block tread pattern for improving grip when the tire is used in off-road conditions. Two axially spaced...
7025100 Pneumatic tire including blocks and splitting grooves  
A pneumatic tire is provided in the tread portion with a circumferential row of middle tread elements, wherein each of the middle tread elements is divided into four elemental blocks having...
7004216 Tire tread including spaced projections in base of groove  
Disclosed is a tread for a pneumatic tire. The tread has a plurality of grooves. The grooves have a base defining the depth of the groove relative to the tread surface, opposing groove walls, and a...
6957676 Tire for a vehicle wheel including at least two circumferential series of inclined incisions delimiting at least three rows of blocks  
The present invention relates to a tire designed to be fitted on the driving axles of a motor vehicle for medium or heavy load. This tire is provided with a tread comprising a plurality of...
6923232 Tread for a light truck or automobile tire  
A tread ( 12 ) for a light truck or automobile tire ( 10 ) has a continuous rib ( 30, 32 ) between an adjacent piece of circumferentially continuous grooves ( 20, 22, 24 ). The tread ( 12 ) has a...
6918420 Pneumatic tire including groove bottom rib  
A pneumatic tire comprises a tread portion provided with at least one wide circumferential groove, the wide circumferential groove extending continuously in the tire circumferential direction and...
6874552 Tread having offset first and second incisions  
A tire tread comprising grooves defining motifs in relief, at least one of these motifs being provided with first and second incisions, said incisions each being defined by two main lateral...
6799616 Pneumatic tire including auxiliary land part having slope  
In a pneumatic tire comprising a tread portion divided into a central region and both side regions, at least one rib-shaped main land part is formed in the central region and a plurality of main...
6796347 Pneumatic tire including auxiliary grooves  
Auxiliary grooves 28 are formed in land portions 26 so that the wet performance is improved by the increase in the edge factors of the auxiliary grooves 28 and by the water absorbing actions...
6761196 Pneumatic tire having lug grooves  
An auxiliary groove is formed in tire circumferential direction on a tire central plane of an pneumatic tire according to the present invention. This auxiliary groove is formed, whereby a negative...
6761197 Tire and tread thereof  
A tyre for vehicles includes a carcass structure, a belt structure, and a tread. The tread includes a row of central blocks and a row of intermediate blocks arranged on each side of an equatorial...
6748988 Pneumatic tire having lug grooves  
A pneumatic tire having a tread pattern is provided, in which occurrence of uneven wear observed in a conventional lug-type tread pattern can be prevented without causing degradation in the various...
6736175 Motor vehicle tire, particularly for lorries and the like  
A vehicle wheel tyre includes a carcass structure, a belt structure, and a tread. The tread includes four circumferential grooves and a plurality of transverse grooves that define at least five...
6705367 Heavy duty pneumatic radial tire including lug groove having platform  
In a heavy duty pneumatic radial tire having a lug pattern formed on both sides of a tread portion, each of lug grooves forming lugs is extended from a position separated from an equatorial plane...
6695023 Pneumatic tire including closed sipes  
In a pneumatic tire comprising a tread which comprises a row of a plurality of blocks divided in the circumferential direction of the tire, a closed sipe is disposed at an approximately central...
6695024 Pneumatic tire having tapered tie bars  
A pneumatic tire includes a tread pattern having circumferential and lateral grooves forming a plurality of circumferentially extending ribs, each rib having a plurality of tread blocks. A...
6691753 Pneumatic tire including circumferential grooves and slanting grooves  
A pneumatic tire for motor vehicles has a running surface profile designed in the direction of rotation, with two shoulder regions (S 1 , S 2 ) each being a constituent of a row of shoulder blocks,...
6659146 Motor vehicle tire with a tread profile for a superior grip on snow and ice  
In a motor vehicle tire ( 1 ) for driving conditions as they occur during the winter months, parallel incisions are provided with staggers that are placed such that a smaller distance between...
6631746 Undercut tie bar for pneumatic tire  
A pneumatic tire includes a tread having a plurality of spaced tread blocks separated by grooves or slots. A plurality of tie bars extend across the grooves or slots between adjacent tread blocks....
6619352 Tread profile of a snow tire  
Tread profile of a snow tire for a vehicle in which at least two vehicle wheels are rotatably mountable outside of a longitudinal vehicle axis. The tread profile includes a plurality of profile...
6571844 Pneumatic tire having tread including pairs of sipes  
Sipes extending from one end of a block to the central area of the block and sipes extending from the other end of the block to the central area of the block (sipes 24, 28, 32 and 36 ) are...
6561242 Block structure in pneumatic tire  
A block structure in a ground contact face of a tread portion of a pneumatic tire comprises blocks defined by circumferential grooves and lateral grooves and a sipe formed in each surface of the...
6554034 Studless tire including rib provided with first and second sipes  
A studless tire comprises a tread provided with a plurality of blocks and at least one rib provided with first sipes and second sipes each extending across the rib. The first sipes and second sipes...
6533007 Tire having sidewall extensions at opposite ends of each tread element  
An off-road tire has sidewall tread element extensions with steps that provide gripping action and support around the sidewall, and enable the tire to climb the sides of rocks and ruts. The steps...
6527024 Tire having tread including shoulder grooves  
A tire having a ground contacting tread, the tread having a directional tread pattern comprising at least two substantially circumferentially extending grooves disposed one each side of the tread...
6527023 Pneumatic radial tire including sipes  
In a pneumatic radial tire having blocks 4 formed on its tread 1 by transverse grooves 3 extending along its width and main grooves 2 extending circumferentially across the transverse...
6523586 Wear indicator for vehicle tires  
The present invention relates to a wear indicator for a vehicle tire ( 1 ), the tread of said tire being provided with grooves ( 2 ) to improve the grip. As taught by the invention, the surface of...
6520230 Tire with an open tread  
A pneumatic tire that is designed primarily for use on paved surfaces, but may have application off-road, has extended chamfers aligned in a portion of the tire. In the illustrated embodiment, the...
6505661 Pneumatic tire having wide groove having two longitudinal ribs, intermediate ribs and lateral ribs  
A pneumatic tire comprises a tread portion provided with a wide groove having a bottom width of not less than 20 mm. The wide groove is provided on the groove bottom with at least one longitudinal...
6484772 Tread pattern and method of manufacture  
A tread for a tire, the tread being provided with a plurality of cutouts, defined by walls perpendicular to or oblique to the rolling surface of the tread, in which the two main walls of at least...
6481480 Convertible tread for a radial truck or trailer tire  
A radial ply pneumatic tire 10 for trucks or trailers has a tread 12 with at least three circumferential grooves 20,22 extending circumferentially to divide the tread 12 into at least four...
Matches 1 - 50 out of 198 1 2 3 4 >