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Komatsu Loader Differential in El Paso - Are you in search of the right We maintain easy access to 100s of manufacturers throughout the globe and are able to supply your entire used and new equipment requirements. "Pneumatic" is a Greek term for "spirit". "Pneuma" means something which is filled with air. The majority of tires you utilize or see today are more than likely pneumatic tires. In fact, nearly all private transportation and modern commercial transportation can not work without using pneumatic tires. Webster's on-line dictionary defines pneumatic tires as tires which are manufactured from reinforced rubber and could hold compressed air. Any tire which needs air pressure to hold its shape is considered to be a pneumatic tire. The Irish surgeon John Boyd Dunlop has been credited to inventing the pneumatic tire. He developed the first practical pneumatic bicycle tire in eighteen eighty eight. During the year 1895, the Michelin brothers Édouard and André, the Michelin brothers were the very first ones to utilize pneumatic tires on a car during a race. Pneumatic tires are made up of bands of corded or plys fabric. These plys are coated with rubber so as to hold air pressure. Bias ply tires have the plys overlaid at a specific angle to the other layers. Radial tires have all plys laid at ninety degrees to the tire body or casing. Tube tires are a type of tire which requires a rubber inner tube in order to hold the air pressure. Motorcycle tires on spoke rims, bicycle tires and car tires and older bias ply truck use inner tubes. Tubeless tires have a stiff bead on the edges of the sidewall that creates an airtight seal with the wheel. This eliminates the need for an inner tube.