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| Number | Title | Issue Date |
| 6550508 | Rubber composition for tire tread having high performance on ice and pneumatic tire using the same A rubber composition for a tire tread, or a pneumatic tire using the same in a tire tread portion, wherein the tread portion contains a diene rubber; and carbon black and/or silica; and a gas-encapsulated thermoplastic resin and, further, a short fiber, a... | 04/22/2003 |
| 6058994 | Rubber composition for tire-tread having high frictional force on ice and pneumatic tire using same 1. A rubber composition for a tire tread containing: (i) 100 parts by weight of a diene rubber, and (ii) 1 to 20 parts by weight of an elastic gas-encapsulated thermoplastic resin hollow particle having a particle size of 5-300 μm, which is obtained by e... | 05/09/2000 |
| 5198049 | Stud unit and skid-proof tire having the same Cylinders each having open end and an internal engagement section in the mid-portion thereof are fixed in holes bored on an outer circumferential face of a tire tread. In each cylinder, a stud passing through a through-hole of the engagement section and h... | 03/30/1993 |
| 5198048 | Stud unit and skid-proof tire having the same The stud unit of the present invention is used for skid-proof tires of vehicles. On a snow- or ice-covered road, a force acts on a front end of a stud contacting the road when the vehicle is braked or accelerates and the tire treads consequently slip, so ... | 03/30/1993 |
| 5004030 | Pneumatic tire with pivotable ground pads The invention provides a pneumatic tire for mounting on a wheel hub, the tire having a plurality of ground engaging pads disposed around the periphery of the tire. Each pad is capable of at least a limited degree of rotational displacement about a radial ... | 04/02/1991 |
| 4508150 | Retractable traction intensifying means for agricultural tractors and the like A lightweight device for obtaining improved traction efficiency of rubber tired vehicles without adding ballast weight. The device has high-strength, thin-gauged traction intensifying means secured to a driving tire, providing higher drawbar pull at highe... | 04/02/1985 |
| 4480670 | Track belt assembly An improved track belt assembly wherein the anchor plates have fastening means which are disposed axially inward of the reinforcing belt structure.... | 11/06/1984 |
| 4351380 | Track belt assembly The track belt assembly of the present invention comprises a plurality of shoes spaced about the periphery of a load-supporting structure. A reinforcing belt structure is disposed on the side of the shoe opposite the ground-engaging side thereof. Each sho... | 09/28/1982 |
| 4128446 | Method for embedding tire chains in the tread portion of a tire A tire having a layer of uncured rubber in its tread portion is fitted to a hub and an annular protective chain is placed over the uncured rubber. The tire is inflated and the protective chain is tensioned by chains connected to the lateral edges of the c... | 12/05/1978 |
| 3998257 | Skid preventer for vehicle tires A skid-preventing device includes a stud which is embeddable into the rubber tread of a vehicle tire and comprises a cylindrical stem portion and a bottom flange portion affixed to the base of the stem portion. A hard metal rod engaging pin is affixed to ... | 12/21/1976 |
