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Attributes that can distinguish snow tires from "all-season" and summer tires include: [6] An open, deep tread, with a high void ratio between rubber and spaces between the solid rubber; Shoulder blocks, a specialized tread design at the outside of the tire tread to increase snow contact and friction
Automotive tires are described by several alphanumeric tire codes (in North American English) or tyre codes (in Commonwealth English), which are generally molded into the sidewall of the tire. These codes specify the dimensions of the tire and its key limitations, such as load-bearing ability and maximum speed.
Diamond Tyres [18] Pakistan: 1968 Diamond Group of Industries DMACK UK: 2008 DMACK [19] DMACK Nordic Finland: 2023 Suomi Tyres (formerly Nokian bicycle tires) [20] [21] Fate (company) Argentina: 1940 FATE Federal Corporation Taiwan: 1954 Federal, [22] Hero, Atturo General Tyre Pakistan Pakistan: 1963 General [23] Giti [24] Singapore: 1951
Tyre is the oldest spelling, [5] and both tyre and tire were used during the 15th and 16th centuries. During the 17th and 18th centuries, tire became more common in print. The spelling tyre did not reappear until the 1840s when the English began shrink-fitting railway car wheels with malleable iron.
Nokian Tyres' three principal activities are the manufacture of passenger car tyres, heavy commercial tyres, and retail tyre sales. [24] As of 2008, Nokian is the most profitable tyre manufacturer in the world, [25] [26] at up to 18% earnings (before taxes and interest) relative to sales, compared to 14% at Bridgestone, 8% at Michelin, and 9.6% at Continental.
Low rolling resistance tires are designed to reduce the energy loss as a tire rolls, decreasing the required rolling effort — and in the case of automotive applications, improving vehicle fuel efficiency as approximately 5–15% of the fuel consumed by a typical gas car may be used to overcome rolling resistance.
Rain tyres have a specially designed structure making them better adapted for their application than any other tyres. However, not all rain tyres obey the same design principles. Certain factors need to be taken into account when designing a good rain tyre, such as the: Speed of the car; Weight of the car; Power of the car; Lifespan of the tyre
By comparison, radial tires lay all of the cord plies at 90 degrees to the direction of travel (that is, across the tire from lip to lip). This design avoids having the plies rub against each other as the tire flexes, reducing the tire's rolling friction. This allows vehicles with radial tires to achieve better fuel economy than with bias-ply ...
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