Fiber reinforced thermoplastic integral skin foams and manufacture thereof

US4940629A · kind A · utility

Assignee

• BASF SE

Inventors

• Heinz Weber · Uerdingen, DE
• Gerhard Bleckmann · Lampertheim, DE
• Gerhard Dembek · Bad Dürkheim, DE
• Gerd Ehrmann · Deidesheim, DE
• Gerhard Heinz · Bad Dürkheim, DE
• Lothar Schlemmer · Frankenthal (Pfalz), DE

Key dates

• Filing date: Apr 24, 1989
• Grant date: Jul 10, 1990
• Expiry date: Apr 24, 2009

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T442/652
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

Fiber reinforced thermoplastic integral skin foams of density 50-500 kg/m.sup.3 have an outer skin 0.05 to 1.5 mm in thickness and contain from 2 to 60% by weight of reinforcing fibers.