Heat insulating bodies

US6063471A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Karl Werner Dietrich · Odenthal, DE
• Heinz Thomas · Leverkusen, DE
• Hanns I. Sachs · Cologne, DE

Key dates

• Filing date: Apr 25, 1997
• Grant date: May 16, 2000
• Expiry date: Apr 25, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/239
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A heat-insulating body comprises PA1 a) a porous pressed molded part having a bulk density of from 50 to 350 kg/m.sup.3, preferably of from 100 to 250 kg/M.sup.3, which has been obtained by comminution of plastics foam to powder or flakes, and binding of the power or of the flakes using a binder with simultaneous or subsequent pressing with shaping, and PA1 b) a film covering the pressed molded part, with the film which covers the pressed molded part having been evacuated and then hermetically sealed.