| 摘要 |
For assembling tires on a tire building drum, the two opposite ends of at least some of the successive superimposed layers of elastomeric material constituting the tire are secured to the drum and spliced together by means of an automatic splicing device, a concave-surface roller of which is moved parallel with the axis of the tire building drum, by virtue of a driving device, and into contact with the outer surface of the tire building drum, by virtue of an actuating device.
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