| 摘要 |
PROBLEM TO BE SOLVED: To provide a wheel, a tube for the wheel and a rim for a bicycle capable of traveling only by refilling the tube with air in an emergency without repairing a flat tire by taking out the tube even in puncturing. SOLUTION: A plurality of tubes 5 having independent air chambers are housed in a conventional wheel, and valves 6 for an air supplying devices communicated with respective tubes 5 are projected from a rim 2. The tube for the wheel of the bicycle is composed of an outer tube 9 and an inner tube 10 provided in the outer tube 9, and respective air supplying passages are communicated with the tubes 9, 10 through one filling port. In a tube (b) for the wheel, the air supplying passages of respective tubes 9, 10 are formed of valves 12, 11, the valve 11 arranged on the inner tube 10 is airtightly projected from the outer tube 9 in a facing phase of 180 deg. in relation to the valve 12 of the tube.
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