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| Number | Title | Issue Date |
| 7367370 | Surface profile of tread design components of a tire tread A tread for a heavy vehicle tire, comprising at least one tread design component (3) delimited by at least two grooves, each component comprising a contact face (4) limited by edges (7, 8); the contact face (4) having, viewed in a cross-s... | 05/06/2008 |
| 7360568 | Tire having narrowing sipes A tire having sipes is provided. The tire includes a circumferential tread configured with at least one rib bound by at least one groove. The rib has a plurality of sipes that extend from the groove into the rib wherein one or more of the sipes narrow in a direction... | 04/22/2008 |
| 7350552 | Directional tread having incisions of varying inclination A tread (1) for steer axle tires for a heavy vehicle, the tire having a preferred direction of travel, the tread comprising grooves (2) of generally circumferential orientation defining at least three ribs (30, 31, 32, 33, 34), two of the ribs f... | 04/01/2008 |
| 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 |
| 7322391 | Vehicle pneumatic tire having truncated groove A tire including a tread rubber having at least one positive profile. Wherein the positive profile is formed by at least one circumferential groove. Further, the tire includes at least one truncated groove extending into the positive profile from the circumferential... | 01/29/2008 |
| 7273081 | Heavy load pneumatic tire with tread having closed sipeings in ribs and projecting stripe in main groove The present invention provides a heavy load pneumatic tire capable of effectively preventing a river wear from generating while preventing a crack or a stone-biting from generating in a sipeing end. In a heavy load pneumatic tire in which a tread portion has a rib p... | 09/25/2007 |
| 7207364 | Radial tire with tread pattern having four or five circumferential ribs An improved tread pattern for a pneumatic tire includes four or five circumferential ribs including inner and outer shoulder ribs, each having a set of lateral grooves extending from their respective shoulders toward but not reaching an adjacent circumferential groo... | 04/24/2007 |
| 7140410 | Asymmetric truck racing tire An improved truck racing tire includes three belts and reduced tread and undertread thickness for weight reduction. An asymmetric shoulder design is provided and circumferential grooves having wear indicia therein at a preselected depth are incorporated into the tre... | 11/28/2006 |
| 7131475 | High and medium performance tire for vehicles A tire for a wheel of a vehicle includes a casing structure, a belt structure, and a tread band. A tread band pattern includes a central zone, two intermediate zones, and two shoulder zones. Each of the zones extends between planes that are substantially parallel to... | 11/07/2006 |
| 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 |
| 6868879 | Tread comprising ribs provided with incisions of varying inclination A tread (1) for a tire with a preferred rolling direction, the tread having grooves (2) of substantially circumferential orientation which delimit ribs (30, 31, 32, 33, 35), at least one of which is provided close to each of its traverse edges w... | 03/22/2005 |
| 6715522 | Front and rear tire combination for vehicle having ABS and vehicle A vehicle comprises Anti Lock Brake System (ABS) and front tires and rear tires which are capable of displaying maximum braking effect when the ABS is in operation, each of the tires comprises a plurality of tread elements divided by tread grooves, and the tread pat... | 04/06/2004 |
| 6488064 | Sacrificial ribs for improved tire wear The present invention provides a tire with a sacrificial rib to protect the main ribs of the tire's tread by delaying the onset of irregular wear and the growth thereof. The improved tire tread comprises a plurality of main ribs formed by grooves extendin... | 12/03/2002 |
| 6443200 | Tread including relief elements having undercut lateral walls and incision that does not cut into ridge A tire pattern of a tread intended to be fitted on a tire and including a plurality of elements in relief intended to come into contact with the ground on which the tire fitted with such a tread travels. At least one element in relief having at least one ... | 09/03/2002 |
| 6412531 | Tire tread having groove walls with compound contours A tread for a tire includes at circumferentially extending grooves having side walls contoured with upper and lower waveforms that are relatively staggered, or out of phase. The side walls provide alternating protrusions and recesses relative to a perpend... | 07/02/2002 |
| 6374883 | Aircraft tire with two aquachannels An aircraft tire with two aquachannels (14) provides a wide band area (17) in the central portion of the tread for improved wear properties. The aquachannels each comprise 4.5% to 7% of the tread width based on the design tread width of the tire.... | 04/23/2002 |
| 6286573 | Tire with light reflecting fluorescent strips A tire with light reflecting fluorescent strips for helping enhance the visibility of a vehicle. The tire with light reflecting fluorescent strips includes a spaced apart pair of side walls and a tread portion connecting the side walls together. The tread... | 09/11/2001 |
| 6213181 | Tire having a groove wall lining for reducing formation of anomalies causing subjective user dissatisfaction A tire having a pair of beads; a carcass ply having ends, each of the ends anchored to a respective one of the beads; at least one belt ply extending circumferentially around the tire and disposed radially outward of the carcass ply; and a tread layer dis... | 04/10/2001 |
| 6203640 | Medium/heavy duty motor-vehicle tires provided with a tread of the universal type A tire tread band for medium/heavy duty motor-vehicles having circumferential grooves confining three pairs of respectively center, intermediate and shoulder ribs. Respective tread blocks are defined along the center and intermediate ribs and they are con... | 03/20/2001 |
| 6196288 | Siping geometry to delay the onset of rib edge wear in truck tires The present invention provides a truck tire with a siping geometry to protect the main ribs of the tire's tread by delaying the onset of irregular wear and the growth thereof. The improved tire tread comprises a plurality of main ribs formed by grooves ex... | 03/06/2001 |
| 6142200 | Truck steer tire tread including circumferential grooves A new pneumatic radial ply truck tire 10 for use on steering axles has a tread 12 with a pair of centerline grooves 14 and a pair of shoulder grooves 16 that divide the tread 12 into a pair of shoulder rows 24, a pair of riding rows 26 and a center row 28... | 11/07/2000 |
| 6123130 | Tire having improved wet stopping capability A tire tread has a total of four circumferential ribs and three circumferential grooves. The four ribs include two intermediate ribs and two outer ribs, and the three grooves include a center groove and two outer grooves. The two intermediate ribs are bet... | 09/26/2000 |
| 6116309 | Tread for a tire including five rib parts A new pneumatic radial ply truck tire 10 for use on steering axles has a tread 12 with four circumferential grooves 14 that divide the tread 12 into a pair of shoulder rows 24, a pair of riding rows 26 and a center row 28. Lateral grooves 20 divide the ro... | 09/12/2000 |
| 6102092 | Tire having sacrificial bridging The present invention provides a pneumatic tire having a tread portion comprising a plurality of axially spaced apart essentially longitudinal grooves separating essentially longitudinal ribs. On at least one of said ribs, transverse grooves or cuts repea... | 08/15/2000 |
| 6082424 | Heavy duty radial tire A heavy duty radial tire which comprises a radial carcass ply, a belt comprising at least two plies of cords laid at angles of 10 to 40 degrees to the tire circumferential direction, and a tread portion provided with circumferentially extending two should... | 07/04/2000 |
| 6006804 | Pneumatic radial tire including vibration buffer wall A pneumatic radial tire which is excellent in drainage and capable of reducing air-column-tube resonance sounds in circumferentially extending grooves to decrease noises. The pneumatic radial tire comprises a tread provided thereon with a groove extending... | 12/28/1999 |
| 5772807 | Truck tire with thread of rib/groove configuration The invention relates to a tire with a rubber tread of a cap/base construction with a tread cap of rib/groove configuration in contrast to a tread cap of lug/groove configuration. The tread cap is composed of styrene/butadiene copolymer rubber and isopren... | 06/30/1998 |
| 5753058 | Pneumatic tire for heavy load A pneumatic tire for a heavy load is provided which prevents irregular abrasion generated at the edge of land portions of the tire tread. An irregular abrasion preventing land portion is thus formed at the edge of a land portion, inside the shoulder edge ... | 05/19/1998 |
| 5535798 | Heavy duty radial tire including a tread having reentrants A heavy duty radial tire having a rib pattern tread comprising a plurality of straight circumferential grooves and ribs formed therebetween. Formed on at least one groove wall are reentrants increasing in width and depth toward the bottom of the groove an... | 07/16/1996 |
| 5131444 | Heavy duty pneumatic tires including stepped tread zones for preventing uneven wearing An uneven wear-resisting heavy duty pneumatic tire comprises main grooves continuously extending in a tread of the tire along a circumference thereof, land portions separated by the main grooves, and stepped zones each provided in the land. Each stepped z... | 07/21/1992 |
| 4936363 | Tread for a pneumatic tire with circumferential slot to prevent the spread of river wear A tread for a pneumatic tire featuring generally zig-zag ribs defined by wide grooves. Circumferentially extending slots in the ribs are located near the wide grooves. The circumferentially extending slots define an edge zone between the slots and the nea... | 06/26/1990 |
| 4802547 | Golf cart A golf cart having: a front wheel including a low pressure tire of which the tread is provided with a plurality of circumferentially extending grooves; and a rear wheel including a low pressure tire of which the tread is substantially smooth but provided ... | 02/07/1989 |
| 4745954 | Tread pattern A tread pattern in which the width and positions of grooves formed annularly in the portion of the surface of the tread which corresponds to the ground-contacting surface of the tire, in such a manner that the grooves extend in the circumferential directi... | 05/24/1988 |
| 4387754 | Tire tread pattern A tire tread pattern wherein all the ribs have a continuous structure in the circumferential direction, and more or less transverse notches provided in a given rib extend a predetermined distance beyond the center-line of that rib from a circumferential e... | 06/14/1983 |
| 4387755 | Pneumatic tires A pneumatic tire having a tread reinforcement layer constituted by a steel cord strip layer adjacent the carcass and an aromatic polyamide cord strip layer superposed to the steel cord strip layer in a parallel side-by-side relationship. The aromatic poly... | 06/14/1983 |
| 4114671 | Pneumatic tire for vehicles having improved handling and road gripping A pneumatic tire for vehicles has a tread band provided with grooves which extend circumferentially about the tire. The grooves are formed by a series of substantially rectilinear sections which are disposed at a predetermined angle with the equatorial pl... | 09/19/1978 |
