Lighter hybrid bead wire for tyre

US9902212B2 · kind B2 · utility

Assignee

• COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN · FR

Inventors

• Laurent Bucher · Clermont-Ferrand, FR
• Jean-Michel Huyghe · Clermont-Ferrand, FR
• Antonio Delfino · Givisiez, CH
• Jean-Paul Meraldi · Zürich, CH
• Thibault RAPENNE · Noyon, FR

Key dates

• Filing date: Jun 5, 2013
• Grant date: Feb 27, 2018
• Expiry date: Dec 22, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T152/10846
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A bead wire for a tire includes a core, an outer layer, and at least one intermediate layer. The core includes at least one yarn of a multifilament textile fiber embedded in an organic matrix. The outer layer includes an outer-layer metal wire wound around the core. Each intermediate layer includes an intermediate-layer metal wire wound around the core. Each intermediate layer is disposed between the core and the outer layer.