Patent ID: 9186820
Filing Date: 2015-11-17
Classification: B29C,B29D

Abstract:
1. A molding element of a mold for molding and vulcanizing a tire tread, this molding element comprising: a molding surface adapted to mold part of the tread surface of the tire, and a complex blade of height H projecting from the molding surface, this complex blade comprising: a main cutting means of height Hp projecting from the molding surface in the cavity, and extending between two ends and running parallel to the oblique direction J, wherein a length of this main cutting means, measured between its two ends, being less than the length L of the cavity, and at least two secondary cutting means of height Hs extending from one of the ends of the main cutting means as far as a respective one of the contact zones facing this end, each secondary cutting means forming an angle θ with the body, wherein the height Hp of the main cutting means and the height Hs of the secondary cutting means are greater than the height H of the complex blade.