Pneumatic tire tread with sipes and mold blade

US9463672B2 · kind B2 · utility

Assignee

• The Goodyear Tire & Rubber Company · US

Inventors

• Vincent Benoit Mathonet · Ferrières, BE
• Daniel Scheuren · Bastogne, BE
• Philippe Joseph Auguste Muller · Champlon, BE
• Frank Pierre Severens · Arlon, BE
• Eric Nowak · Mabompré, BE

Key dates

• Filing date: Aug 20, 2013
• Grant date: Oct 11, 2016
• Expiry date: Dec 1, 2034

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60C2011/1213
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The invention provides a tire tread, the tread having at least one circumferentially extending or laterally extending main groove, the maximum radial depth of the at least one main groove defining a non-skid tread depth, the at least one main groove partially forming at least one tread element, the at least one tread element having a sipe therein, wherein the sipe has a first portion having a first and second opposed side, and a third side joining said first and second side, and said sipe further including a continuous tubular pathway bordering said first, second and third side. The invention further includes a blade for molding a tire, the blade comprising a first portion having a first and second opposed side, and a third side joining said first and second side, and said blade further including a continuous tubular pathway extending along the third side and partially extending along at least one of the first and second side.