Composite panel and method of forming the same

US6988757B2 · kind B2 · utility

Assignee

• DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

• John W. McLaren · Beaverton, US
• George A. Klumb · Midland, US
• Mark P. Allen · Washington Township, US
• Allan James · Riddells Creek, AU

Key dates

• Filing date: May 22, 2003
• Grant date: Jan 24, 2006
• Expiry date: Jul 10, 2023

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B62D33/0273
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

There is disclosed a closure panel. The panel finds particular utility as a liftgate or endgate for automotive vehicles. Typically, the assembly includes a first panel portion opposite a second panel portion and an intermediate material therebetween. Preferably, one or more of the panel portions is formed of a polymeric material and the intermediate material is preferably a structural foam that can bond to both the first and the second panel portions.