| 摘要 |
A rim for a pneumatic tire comprising two rim parts, the first rim part consists of a tire bead retaining flange and bead seating portion and is secured to a second rim part which comprises the other tire bead retaining flange. The second rim part is formed in the region adjacent the first rim part with a circumferentially extending radially outwardly projecting hump portion which is arranged to be capable of making air-tight sealing engagement with the bead of an associated tire seated on the first rim part. The second rim part also comprises a shallow well portion of sufficient depth to enable a tire bead to be passed over the hump portion.
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