MOLDING ELEMENT WITH AIR EXHAUST SLOT AND MICRO-MOLDING SECTOR

摘要

Molding element (1) intended to be assembled in a mold for molding the outer part of the tread of a tire, said molding element (1) comprising a molding surface (2) intended for molding the tire tread. bearing and an outer surface (3), venting means (4) for discharging an air flow from the molding surface (2) to the outer surface (3), said venting means ( 4) comprising a first part (5), a second part (6) in fluid communication with the first part (5) and opening onto the outer surface (3), the molding element also comprising a third part (7) in communication fluidic with said first part and opening onto the molding surface (2) of the tread, said third part having a width La3 greater than the width La1 of said first part (5).