Core layers and composite articles with a variable basis weight

US11364858B2 · kind B2 · utility

Assignee

• Hanwha Azdel, Inc. · US

Inventors

• Peng Cheng · Shanghai, CN
• Mark O. Mason · Covington, US
• Andrew Anderson · Washington, US
• Mark Fero · Clinton Township, US
• Shriram Joshi · Deo, IN
• Jonathan Rosin · Forest, US
• Anthony Messina · Royal Oak, US

Key dates

• Filing date: Sep 3, 2019
• Grant date: Jun 21, 2022
• Expiry date: Oct 27, 2039

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R2013/0287
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

Methods of producing core layers with a variable basis weight across a width of the core layer are described. The core layers can be used in vehicle headliners to permit proper side air bag deployment in the vehicles during crashes. Systems and various materials used to produce the core layers are also described.