Process for surface-finishing inner surfaces of hollow bodies and apparatus for carrying out the process

US6129856A · kind A · utility

Assignee

• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Thomas Jung · Aschbach, DE
• Anke HELLMICH · Alzenau, DE

Key dates

• Filing date: Jun 23, 1998
• Grant date: Oct 10, 2000
• Expiry date: Jun 23, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C23C16/513
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

In a process for surface-finishing inner surfaces of hollow bodies with at east one opening the hollow body is finished from inside by means of a hollow-cathode glow discharge as the excitation source.