Refractory material and its use

US4806168A · kind A · utility

Assignees

• HOGANAS AB
• Nordsec Security AB · SE

Inventors

• Lennart Ivarsson · Nordstraße, SE
• Rolf Lundqvist · Gothenburg, SE

Key dates

• Filing date: Jun 30, 1987
• Grant date: Feb 21, 1989
• Expiry date: Jun 30, 2007

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2111/28
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Refractory material based on grog and hydraulic or chemical binder. The refractory material contains a substantially evenly distributed content of a heat-resistant fiber reinforcement and cutting-material in individual pieces; the use of such refractory material as a constructional material in units for storing valuables, such as bank vaults, safes and the like; and a unit for storing valuables including such refractory material.