Tire building drum including turn-up device and turn-up device

摘要

The present invention relates to a turn-up device for a tire building drum, and a tire building drum comprising the turn-up device, wherein the turn-up device is circumferentially around a central axis for turning up a tire component on the tire building drum. A rolling element extending circumferentially between the turn-up arms such that the turn-up device rolls relative to the tire component during turn-up, the rolling element being flexible about a central axis, and , The turn-up device further includes an annular support element extending circumferentially along each of the turn-up arms and supported by each of the plurality of turn-up arms, the annular support element extending circumferentially through each of the rolling elements, and around the central axis. The furnace is flexible, and the rolling element is rotatable about the turn-up arm about the annular support element.