УСТРОЙСТВО ДЛЯ СБОРКИ ШИНЫ И СПОСОБ ЕЕ СБОРКИ

摘要

The present invention relates to an apparatus that is used in the building of a tire and an assembly process for building a tire. The apparatus comprises an apparatus frame and a main shaft that is rotatable in at least one axis about the apparatus frame. The apparatus further comprises a building drum that is provided with a plurality of drum segments disposed concentrically about the axial center of the drum and are movable in both the axial and radial directions and is fixed to the main shaft in rotation. The drum segments further comprise right and left shoulders located axially at the lateral edges, and the base of each of the shoulder extends axially to form a lateral projection. At least one version of the apparatus has right and left shoulders of unequal heights to facilitate fabrication of tires having unequal bead seat diameters. The apparatus further comprises at least a right and a left side assembly coaxially attached to the main shaft and located proximately to the lateral projection of the drum segments. When the side assemblies are positioned at the inward limit of axial extension, the surfaces of the drum segments and of the side assemblies form a substantially continuous cylindrical surface that supports the axial width of tire products to be assembled. The apparatus further comprises a plurality of lift tab segments positioned proximately to the drum segments