Patent ID: 9174496
Filing Date: 2015-11-03
Classification: B60C

Abstract:
1. A tire tread comprising: a tread surface intended to come into contact with a roadway, this tread comprising: at least one insert oriented in a direction different from the main direction D of the sipe, this insert being positioned wholly within the thickness of the tread so as to be situated radially on the inside of a part sipe of shallow depth HF, wherein at least the part sipe of shallow depth HF situated radially on the outside of the insert is provided, at its end region, with a widening forming a channel of maximum width W, this maximum width W being greater than the mean width E of the sipe, wherein the channel when viewed in cross section has a circular shape which is truncated to form a channel bottom with flat geometry, this channel bottom being the part of the channel furthest from the tread surface, wherein there is a thickness A of rubber other than zero between the part sipe of shallow depth and the insert running under said part sipe, this thickness of rubber being at least equal to the width E of the sipe.