Filling level indicator having an explosion-proof housing

US8069724B2 · kind B2 · utility

Assignee

• VEGA Grieshaber KG · DE

Inventors

• Frank Becherer · Lenzkirch, DE
• Winfried Rauer · Fischerbach, DE
• Ralf Koernle · Zell am Harmersbach, DE

Key dates

• Filing date: Oct 1, 2008
• Grant date: Dec 6, 2011
• Expiry date: Jan 25, 2030

Classification

• Technology area (CPC G): Physics
• CPC primary: G01F23/02
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Filling level indicator having an explosion-proof housing comprising a glass and a metallic frame, wherein the glass is fused into the frame.