| 摘要 |
A method of forming a tire (1) inside a forming mold (2) having an inner surface negatively reproducing the outer surface of the finished tire (1). The method provides for forming a second stage tread assembly (13) of the tire (1) in an annular housing (3b) defined by an annular body (3) constituting an outer portion of the forming mold (2), and by two auxiliary outer rings (47) fitted in releasable manner to the opposite axial ends of the annular body (3). The two auxiliary rings (47) are subsequently removed from the annular body for fitting the annular body (3), in place of the auxiliary rings (47), with two annular lateral plates (6) defining respective lateral portions of the forming mold (2).
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