Patent ID: 7473386
Filing Date: 2009-01-06
Classification: B29D

Abstract:
1. A mold for a tire comprising a bead ring for vulcanizing and forming a bead of a tire, the bead ring including: a bottom forming surface for abutting on a bead bottom to determine a shape of the bead bottom; a support surface for a bladder which is positioned on an inside in a radial direction from the bottom forming surface and extended in the radial direction, a distance of the support surface in the radial direction being equal to or greater than 0.5 mm and equal to or smaller than 5 mm; and a guide surface for the bladder which is positioned on an inside in the radial direction and an outside in an axial direction from the support surface, the guide surface being flat and linked to the support surface and inclined axially inwardly and radially outwardly, and angle of the guide surface to the radial direction being equal to or greater than 20 degrees and equal to or smaller than 70 degrees, and a distance of the guide surface being equal to or greater than 5 mm.