Apparatus for manufacturing and feeding tyre beads on to an automotive tyre building drum.

摘要

An apparatus (1) for manufacturing automotive tire beads (2) wherein a pair of mandrels (3) for forming respective beads (2) each present an inner ring (9) which defines part of a drum (6) for winding a continuous metal wire (7) constituting the respective bead (2), and consists of two coaxial annular bodies (10, 11) designed to move between a detached and mated position; and an outer grip ring (52) consisting of a number of segments (55) designed to move back and forth in relation to the inner ring (9); which segments (55) are carried on an annular support (51) designed to move both transversely, between a position coaxial with the respective inner ring (9) and a position coaxial with a tire building drum (54), and axially along the tire building drum (54). <IMAGE> <IMAGE>