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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7329110 | Tire vulcanizing mold and pneumatic tire There is provided a tire vulcanizing mold capable of smoothly and surely forming narrow-width grooves in a treading face without causing the damage, breakage and the like of projections for the formation of the grooves in a sector mold and land portions in the tread... | 02/12/2008 |
| 7143799 | Three-dimensional sipes for treads Both a mold blade for forming sipes and the sipe so formed in a tire tread element have three dimensional portions. In the formed sipe, the three dimensional portion creates a constant interlocking of the opposing sipe faces. The blade and the sipe have at least one... | 12/05/2006 |
| 7032635 | Pneumatic tire for use on iced and snowed road surfaces A pneumatic tire for use on iced and snowed road surfaces has a tread surface. The tread surface has a plurality of main grooves extending in a circumferential direction of the tire and a plurality of lateral grooves extending in a width direction of the tire. Block... | 04/25/2006 |
| 6971425 | Tire for high-performance vehicles and premoulded tread band having an asymmetrical pattern A tire for a vehicle wheel includes a carcass structure, a belt structure, and a tread band. The tread band pattern includes a central zone and two axially-opposite shoulder zones. The central zone is delimited between axially-inner circumferential grooves and inclu... | 12/06/2005 |
| 6889733 | Vehicle tire having profiled tread including blocks A vehicle having a profiled tread, having tread blocks (1) in at least some regions of its circumference, characterized in that for at least some of the tread blocks (1) at least the tread block edges (2) running into the tire contact patch (... | 05/10/2005 |
| 6604564 | Tread pattern motif for a tread A tire tread having grooves of transverse general orientation defining a plurality of blocks arranged so as to form a tread pattern having a preferred direction of travel, the blocks having a contact face, two lateral faces, a leading face forming an angl... | 08/12/2003 |
| 6564839 | Pneumatic tire having a load dependent adaptive footprint shape The present invention relates to a radial ply tire (230) with a tread (232) subdivided transversely into a central portion (250) having central ribs (260a,260b), shoulder portions (254a, 254b) having shoulder ribs (270a,270b) and intermediate portions (25... | 05/20/2003 |
| 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 parts and lateral grooves 30,31,32,33,34 extending across the at l... | 11/19/2002 |
| 6478062 | Method of shaping tread patterns for vehicle tires and vehicle tires shaped in accordance therewith The present invention is directed to A plurality of vehicle tires having tread patterns of substantially the same outer appearance, wherein the tread patterns comprise a primary tread pattern comprising blocks and/or ribs separated by broad cut-outs and a... | 11/12/2002 |
| 6446689 | Pneumatic tire having 80 to 105 pitches A pneumatic tire having improved snow traction and tread wear, and improved noise and handling properties, has 80 to 105 pitches and a sipe density of 1.0 to 1.1. The tire has a substantially square footprint, and has a footprint shape factor (FSF) of 1.0... | 09/10/2002 |
| 6439285 | Pneumatic tire having 98 pitches A pneumatic tire having improved snow traction and treadwear, and improved noise and handling properties, has 80 to 105 pitches and a sipe density of 1.0 to 1.1. The tire has a square footprint, and has a footprint shape factor (FSF) of 1.0 to 1.25. The t... | 08/27/2002 |
| 6435237 | Pneumatic tire having generally rounded footprint shape A pneumatic tire having improved snow traction and tread wear, and improved noise and handling properties, has 80 to 105 pitches and a sipe density of 1.0 to 1.1. The tire has a substantially rounded footprint, and has a footprint shape factor (FSF) of 1.... | 08/20/2002 |
| 6220321 | Heavy duty tire including wide main grooves, narrow grooves and lug grooves A heavy duty tire is provided in the tread portion with a circumferentially extending main groove on each side of the tire equator, a circumferentially extending narrow groove on each side of each main groove, lug grooves extending from the tread edges to... | 04/24/2001 |
| 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 |
| 6112788 | Pneumatic tire including grooves having ribs therein A pneumatic tire comprises a tread portion provided with a plurality of longitudinal grooves, each of the longitudinal grooves extending continuously in the tire circumferential direction and having a bottom and a pair of sidewalls defining corners thereb... | 09/05/2000 |
| 6095216 | Multi-purpose tire for motor-vehicles A tire is described which has a tread pattern provided with a large central channel (2) interposed between two continuous circumferential ribs (8), and a pair of large circumferential grooves (4) located at symmetrically opposite positions relative to the... | 08/01/2000 |
| 6003576 | Tread with recuttable grooves A tread for a heavy-duty vehicle tire having radial carcass reinforcement rmounted radially by crown reinforcement which tread has grooves that can be regrooved and wherein those parts of the tread that are located radially under the grooves include depth... | 12/21/1999 |
| 5918654 | Tire including tread with incisions A tread (5) of a tire (1) which has a carcass reinforcement (2) and is reorced by a reinforcement belt (3), the tread, comprising a so-called rolling surface (6), being divided into at least one circumferential strip. Each defined circumferential strip i... | 07/06/1999 |
| 5759313 | Pneumatic tire having V-shaped subgrooves A pneumatic tire in which sub-grooves extending at least in the widthwise direction of the tire are provided in a center portion of a tread surface and shoulder portions thereof on both sides of the center portion at a predetermined pitch, both the width ... | 06/02/1998 |
| 5591280 | Pneumatic tire including sipes A pneumatic tire in which the uneven wear resistance and durability are improved without sacrificing the on-the-snow performances. The tire comprises a tread portion provided with blocks each having a top surface of which the centroid is located within th... | 01/07/1997 |
| 5547005 | Radial tire with enhanced bead durability A radial tire having a carcass extending from a tread through sidewalls to a bead core in each of two bead parts and turned up around the bead cores. The tire includes a belt layer disposed on the outside of the tire in the tire radial direction of the ca... | 08/20/1996 |
| 5385189 | Pneumatic tire with paired sides in the tread A pneumatic tire includes a plurality of blocks, each having a narrow area interposed between one set of two sipes which extend substantially in a transverse direction of the tire and wide areas positioned respectively at both sides of the narrow area acr... | 01/31/1995 |
| 5327953 | Pneumatic tires with reduced side depth at defined locations A pneumatic tire manufactured with a sector mold including of plural arc-shaped segments each having plural island rows of ribs or blocks in its tread portion and sipes formed in at least one island row. Among these sipes, a depth of a sipe located in the... | 07/12/1994 |
| 5323825 | Pneumatic tires A pneumatic tire comprising a tread, wherein at least one circumferential groove having a width not greater than 0.1 times as much as that of the tread is formed in at least one end portion of the tread, thereby forming at least one narrow rib having a wi... | 06/28/1994 |
| 5316062 | Tire tread for heavy vehicles Tread for heavy vehicles with radial carcass comprising a plurality of cimferential rows of blocks (13) having incisions (15), defined by circumferential (10) and transverse (12) grooves, said blocks being connected to each other in circumferential direc... | 05/31/1994 |
| 5297604 | Tread for radial carcass tires for heavy vehicles Tread for heavy-vehicle tires with radial carcass having at least one cirferential groove (1) in the form of a broken line and wide transverse grooves (2) in the form of a broken line defining blocks, the wide transverse grooves (2) having walls of const... | 03/29/1994 |
| 5249615 | Two zone tread pattern The present invention provides a novel tread for a tire or anti-skid armor mounted on a tire. The tread has a central, circumferentially extending anti-skid zone, transverse tread members transverse to the anti-skid zone and driving tread members arranged... | 10/05/1993 |
| 5211781 | Tire tread for large motor vehicles A tire tread (20) comprises four circumferentially extending grooves (1-4) dividing the tread into five continuous ribs (10-14) of elastomeric material. The edges of the grooves, which separate the different ribs from each other are constituted by zig-zag... | 05/18/1993 |
| 5036138 | Elastomeric compositions, process for the preparation thereof and tires containing them The present invention relates to an elastomeric composition suitable for tire treads comprising (1) 10-90% wt of a copolymer of a mono-aromatic vinyl compound and having a vinyl content of | 07/30/1991 |
| 5016838 | Aircraft tire having asymmetric tread A tire (10) suitable for use on an aircraft equippped with cambered landing gear has a symmetrical carcass structure (11) and belt structure (12) but has an asymmetrical tread portion (16). On one side of a central groove (17) the tread portion is devoid ... | 05/21/1991 |
| 4934424 | Pneumatic tire having blocks with plural transverse sipes at different depths To improve biased abrasion or traction and brake performance of a pneumatic tire formed with a great number of blocks partitioned by the main circumferential grooves and transverse grooves on the tread thereof, each of the block is formed with at least th... | 06/19/1990 |
| 4926919 | Vehicle tire with rib type tread pattern having sipes across the ribs A vehicle tire (10) has a tread (20) with a plurality of ribs (30,31,32) extending circumferentially about the tread. The ribs each have a pair of lateral edges (48,49;60,61) which comprise edge segments placed end to end to present a zigzag configuration... | 05/22/1990 |
| 4815511 | All-season high-performance radial-ply passenger pneumatic tire A passenger car tire that combines a number of design features or parameters which yield a tire which has road noise, tread wear and handling performance characteristics which are equal to or better than those exhibited by comparable prior art tires, whic... | 03/28/1989 |
| 4757850 | Tire for motorcycles Radial tires for motorcycles comprising a tread portion, side wall portions, bead portions, a carcass, bead apexes made of a rubber having a high hardness, and optionally reinforcing cord layers arranged outside the bead apexes, said tread portion having ... | 07/19/1988 |
| 4732195 | Radial tire tread for truck or bus A radial tire for trucks or buses constructed to eliminate the drawback of shoulder wear and improve the its wet-grip performance and having a tread part, divided into at least five ribs with at least four circumferentially extending longitudinal grooves;... | 03/22/1988 |
| 4649975 | Pneumatic tire tread A pneumatic tire having a tread portion with a tread pattern which is constituted by main grooves, auxiliary grooves, lug grooves and sipes, wherein the mean depth Gc of the auxiliary grooves, the mean depth Gs of the lug grooves and the mean depth Gk of ... | 03/17/1987 |
| 4481991 | Tread configuration for motor vehicle tires A tread configuration for motor vehicle tires, especially spare tires, with several peripheral rows of essentially V-shaped blocks, with the points of successive blocks, as seen in the peripheral direction of the tire, alternately pointing in opposite dir... | 11/13/1984 |
| 4456046 | High-speed tires A high-speed tire for use during both wet and drying road surface conditions is disclosed. The tread groove depth increases from a minimum depth near each tread edge to a maximum depth near the mid-circumferential plane. Each of an outer group of tread el... | 06/26/1984 |
| 4449560 | Heavy duty pneumatic tire A heavy duty pneumatic tire includes a tread surface divided along circumferential directions by at least two zigzag tread grooves to form a plurality of circumferential zigzag ribs whose at least one side edge is formed with a plurality of narrow cuts op... | 05/22/1984 |
| 4312395 | Double contour block tread pattern An improved pneumatic tire having a tread portion comprising a plurality of independent projections. Each independent portion has a configuration substantially that of a closed loop.... | 01/26/1982 |
