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1945 who was the engineer who invented the first pneumatic tire?
As early as 1836, Belgian Diez put forward the idea of pneumatic tire. 1845, Robert W. Thomson, a civil engineer in middlesex, England, invented a tire wrapped in leather and filled with air or horse hair, but it was not actually used. John Byrd Dunlop, a Scottish veterinarian, lived in Belfast, Ireland from 65438 to 0888. He saw the solid rubber wheel of his son's bicycle bumping badly on the stone road, so he made a pneumatic tire from a tube inflated by a valve and coated it with rubber as a protective layer. This kind of pneumatic tire is wrapped around the wheel. To repair the puncture hole of the inner tube, it is necessary to soak and glue it with benzene first, and then glue it after repair. This new tire was laughed at by people at first, but his son rode it and won the first place in the competition, so people paid attention to this invention. Dunlop applied for a patent for his invention, gave up his veterinary career, established the world's first tire factory and began to produce rubber tires. Since 1894, Dunlop tires have been officially used in the early mass-produced "Hildebrand" and "Walmiller" motorcycles.

1892, Michelin company, French brothers Andre Michelin and edouard michelin invented a detachable pneumatic rubber tire. In the past, only specialized repairmen could handle tire puncture accidents, but now ordinary people can repair them in a quarter of an hour. This invention has affected the whole world. 1895, Michelin brothers sent a "lightning" car with detachable tires for the first time to participate in the Paris-Bohr-Paris traffic jam. Tire cars officially entered the historical stage and quickly spread to the whole world.

1908, rice company developed a double-type wheel, which effectively solved the tire load problem of heavy trucks. 1937, michurin company developed radial tires. This kind of tire tread named "flying cage" is reinforced by multiple layers and fastened by multiple steel cord layers. These cord layers are arranged vertically with the tire steel wire, which greatly improves the stability of the tire driving direction. 198 1 year, British Deng Lupu company invented a new type of tire, which can still run even if the tire is punctured, and the tire will not leave the rim. The inner surface of the crown is coated with polyglycol, which is both a sealant and a lubricant. The safe life of this kind of tire is only 25,000 kilometers.