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"Pneumatic" is a Greek word for "spirit". "Pneuma" means something which is filled with air. Most tires you see or use today are more than likely pneumatic tires. The truth is, nearly all private transportation and modern commercial transportation could not work without utilizing pneumatic tires.
Webster's on line dictionary defines pneumatic tires as tires that are made from reinforced rubber and can hold compressed air. Any kind of tire which requires 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 the year 1888. In the year 1895, the Michelin brothers Édouard and André, the Michelin brothers were the first to utilize pneumatic tires on a car during a race.
Pneumatic tires are made from many bands of corded or plys fabric. Plys are normally coated with rubber that enables them 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 older bias ply truck and car tires utilize inner tubes. Tubeless tires have a stiff bead on the sidewall edges that forms an airtight seal with the wheel. This type of tire does not need an inner tube.
