1results about How to "Good abrasiveness" patented technology

The present invention relates to a tire tread for heavy, mixed-use vehicles and aims to improve the durability of the crown of the tire after stones get stuck in the tread. The tread (1) comprises a recess (3) comprising a radially outer first recessed sipe portion (31) having a width W11 on the tread surface (2), a width W12 at the sipe bottom (311) and a depth H1, and a radially inner second recessed gullet portion (32) having a width W2 and a depth H2 and leading to the sipe bottom (311) at a distance E relative to the average surface (S1) of the sipe (31). According to the invention, the distance E is at least equal to the width W12 of the sipe bottom (311) divided by 6.