Procedure for cooling of work pieces

US4471628A · kind A · utility

Assignee

• Messer Griesheim GmbH · DE

Inventors

• Heinz Golke · Breitscheid, DE
• Wolfgang Volker · Tönisvorst, DE
• Andreas Donnerhack · Krefeld, DE

Key dates

• Filing date: Sep 13, 1982
• Grant date: Sep 18, 1984
• Expiry date: Sep 13, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C21D1/613
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A procedure for cooling work pieces includes mixing solid matter in the form of microscopic particles with a low boiling liquefied gas wherein the particles are suspended therein due to their specific weight or by the turbulence in the gas.