Patent ID: 6089844
Filing Date: 2000-07-18
Classification: B29C,B29D

Abstract:
An extrusion device for tires, said extrusion device comprising:a heatable extruder for extruding and supplying an elastomer to carcass sidewalls of a prepared and rotatably supported carcass being rotated in a direction of rotation for entraining the extruded elastomer;said extruder comprising a first die mouth and a second die mouth, wherein said first die mouth faces a first carcass sidewall and said second die mouth faces a second carcass sidewall;each one of said die mouths being a slot having a width and a length;said width extending in a direction of rotation of the carcass and delimited by an upper and a lower edge;said length extending radially across the carcass sidewall and matching a radial height of the first and second carcass sidewalls, respectively;said slot having an outlet opening defining an area whose normal is slanted toward the carcass sidewall such that in the direction of rotation said upper edge of said slot is closer to the carcass sidewall than said lower edge of said slot.