Corona apparatus

US4059497A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Andreas Kolbe · Berlin, DE
• Peter Dinter · Obermoschel, DE

Key dates

• Filing date: Dec 10, 1976
• Grant date: Nov 22, 1977
• Expiry date: Dec 10, 1996

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B29C48/914
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A corona apparatus comprising at least one roller electrode assembly, a supporting surface acting as a counter electrode, and a generator for generating an alternating current voltage for said electrode assembly characterized in that the roller electrode assembly comprises: a central shaft, an electrode, means for mounting said electrode to said shaft, a tube, means for mounting said tube for rotation about said shaft, said electrode contained within said tube, means for electrically connecting said electrode to said generator and means for supporting said shaft whereby said tube is positioned adjacent to said counter electrode.