Tyre retreading method and system

摘要

A method and system (1) for retreading a tyre (2), whereby a lateral surface (7) of the casing (6) is buffed; an inner surface (17) of a tread strip (10) is buffed; a green-rubber cushion (9) and the tread strip (10) are wound about the lateral surface (7) of the casing (6) to assemble the tyre (2); and the tyre (2) is cured; buffing of the lateral surface (7) of the casing (6) and/or the inner surface (17) of the tread strip (10) includes : directing a laser beam (B) onto the lateral surface (7) of the casing (6) and/or the inner surface (17) of the tread strip (10) to sublimate part of the existing rubber; and producing a relative movement between the laser beam (B) and the lateral surface (7) of the casing (6) and/or the inner surface (17) of the tread strip (10), so the laser beam (B) sweeps over the whole surface (7; 17).