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| Number | Title | Issue Date |
| 8002005 | Pneumatic tire with tread including three dimensional sipes having at least two tie bars A pneumatic tire including a plurality of grooves which extend at least in the circumferential direction, and which are formed in a tread portion and sipes which are formed in a plurality of blocks formed by the grooves. In the pneumatic tire, the groove width of th... | 08/23/2011 |
| 7942177 | Pneumatic tire with tread having lug grooves, sipes, and fine groove Provided is a pneumatic tire that has a directional tread pattern and includes: a rib-shaped first land area extending in the tire-circumferential direction in a center section of a tread portion; paired first main grooves being adjacent respectively to the two side... | 05/17/2011 |
| 7874333 | Tread fo heavy-vehicle tire having connecting bridges A tread (1) comprising a plurality of grooves of longitudinal and transverse general orientation (2b, 2c, 31, 32), the grooves of longitudinal orientation comprising main grooves (2b, 2c) of depth... | 01/25/2011 |
| 7726369 | Pneumatic tire with tread having lateral grooves provided with tie bars A pneumatic tire comprises a tread portion provided with at least two circumferential grooves and lateral grooves extending from the circumferential grooves so as to form blocks which are circumferentially divided by the lateral grooves and arranged in at least thre... | 06/01/2010 |
| 7434606 | Pneumatic tire with tread having continuous ribs and block rows A tread surface 2 is divided by inner and outer longitudinal grooves 3a and 3b located on opposite sides of the tire equator into a central land portion 4i, intermediate land portions 4m and shoulder lan... | 10/14/2008 |
| 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 pneumatic tire where a number of blocks which are separated by a numbe... | 09/09/2008 |
| 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 (3) arranged in a groove between two neighboring elements... | 06/03/2008 |
| 7363951 | Wear-adaptable running tread A tire tread includes a running surface intended to be in contact with the roadway during travel. The running surface has a plurality of first cut-outs of a depth less than the thickness of the tread and defining tread pattern elements of a height less than the tota... | 04/29/2008 |
| 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 formed on both side parts of the longitudinal main g... | 03/11/2008 |
| 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 defining the shoulder rib, which is adjacent to the tire's shoulder. Th... | 03/11/2008 |
| 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 substantially in a widthwise direction of the tire are arranged in e... | 10/16/2007 |
| 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 define a groove bottom surface. The circumferential and lateral grooves ... | 10/02/2007 |
| 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 tread rubber disposed radially inside the cap tread rubber, wherein the... | 07/03/2007 |
| 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 these motifs including a contact face and lateral faces, a plurality of t... | 05/08/2007 |
| 7208110 | Regroovable tread and processes for obtaining such A tread of thickness E, intended to be used in a tire having a carcass reinforcement surmounted by a crown reinforcement and including on its outer surface a plurality of grooves of depth h, including at least circumferential grooves separated axially by ribs, is pr... | 04/24/2007 |
| 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 adjacent tread elements is at least one traction biting element. The bitin... | 03/27/2007 |
| 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 grooves disposed one on each side of the tire equator; and at least one a... | 02/20/2007 |
| 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 central region, first and second shoulder regions, and first and secon... | 01/16/2007 |
| 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 wear life. In this heavy-duty pneumatic tire, whose shoulder portion i... | 12/26/2006 |
| 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). Each central lug is similar in shape and orientation relative to each c... | 11/14/2006 |
| 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 circumferentially continuous parallel ribs 14 straddle t... | 10/03/2006 |
| 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 different configurations, by three splitting grooves, and the three splittin... | 04/11/2006 |
| 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 centerline equidistance from the opposing groove walls. The groove m... | 02/28/2006 |
| 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 full-depth transverse grooves and four circumferential series of inclined gro... | 10/25/2005 |
| 6955782 | Method of molding a tire and mold therefor A tire molding method as disclosed wherein a segmented mold (2) has lugs (40) in the shoulder regions of the segments (4) with complimentary lug extensions (30) in the sidewall forming annular rings (6,8). The lug extensions (30... | 10/18/2005 |
| 6929044 | All-terrain vehicle tire An All Terrain Vehicle Tire (10) for the drive axle positions has a tread (12) having three circumferentially continuous channels (61 62, 63). Two of the channels (62, 63) divide the elongated lugs (40, 42) into an axially inner po... | 08/16/2005 |
| 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 plurality of hook-shaped semi-blind grooves (... | 08/02/2005 |
| 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 having a groove width GW of not less than 5% of the ground contacting ... | 07/19/2005 |
| 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 surfaces connected by an end surface, each of the first incisions opening on... | 04/05/2005 |
| 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 slant grooves are arranged so as to extend obliquely from the central r... | 10/05/2004 |
| 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 of the auxiliary grooves 28. Since the auxiliar... | 09/28/2004 |
| 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 plane of the tyre between a central longitudinal groove formed astride... | 07/13/2004 |
| 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 ratio of a center region other than the lug groove is set to 10% to 2... | 07/13/2004 |
| 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 characteristics of the tire. The pneumatic tire having a tread patte... | 06/15/2004 |
| 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 circumferential rows of blocks, each block approximating a polygon. The ... | 05/18/2004 |
| 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 of the tire by a given distance up to each of tread ends and has a pla... | 03/16/2004 |
| 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 plurality of tie bars extend circumferentially across certain of t... | 02/24/2004 |
| 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 portion of the block and is inclined in a direction opposite ... | 02/24/2004 |
| 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 (S1, S2) each being a constituent of a row of shoulder blocks, and with a middle region (C) separated ... | 02/17/2004 |
| 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 adjacent incisions arises in the central region of the pad than i... | 12/09/2003 |
