PROCESS AND APPARATUS FOR BUILDING TYRES

摘要

Auxiliary support members (16) are brought into engagement with a building drum (10) provided with a first outer circumferential surface (14). These auxiliary support members (16) each have a second outer circumferential surface (16a) which extends in the continuation of the first outer circumferential surface (14). A separation element (22) having a circumferential support surface (23) is provided at a radially external position on each of the auxiliary support members (16). A component (4; 19; 20) of the tyre (2) is applied around each of the circumferential support surfaces (23) and the auxiliary support members (16) are subsequently axial Iy moved away from the building drum (10), so as to radially contract the circumferential support surfaces (23) to decouple them from the respective components (4; 19; 20) of the tyre (2).