Tread made from multi cap compounds

US9050859B2 · kind B2 · utility

Assignee

• The Goodyear Tire & Rubber Company · US

Inventors

• Ralf Reinardt · Mettlach, DE
• Thomas Gesenhoff · Trier, DE
• Michel Jean Yves Windeshausen · Messancy, BE
• Malik Djelloul-Mazouz · Bereldange, LU

Key dates

• Filing date: Feb 14, 2013
• Grant date: Jun 9, 2015
• Expiry date: Jul 7, 2033

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60C2011/0025
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A pneumatic tire having a tire tread is disclosed, wherein the tread comprises one or more tread elements and one or more grooves, the tread having a radially outer surface and a non-skid tread depth as measured from the radially outer surface of the tread and a radially innermost surface of the grooves. The tread has a radially innermost layer comprised of a base tread compound, a radially outer tread cap layer and a middle tread cap layer located between the base layer and the outer tread cap layer. Wherein the radially outer tread cap layer has a defined depth D, except that there is at least one notched areas wherein the tread cap layer extends radially inward of the defined depth D.