Bar code printing

US5206490A · kind A · utility

Assignee

• Esselte Meto International Produktions GmbH · DE

Inventors

• Robert M. Petigrew · Foxton, GB
• Alan J. Harry · Royston, GB
• Paul R. Nailor · Islington, GB
• Fred Adelmann · Besigheim, DE
• Peter Franzen · Hirschhorn, DE
• Juergen Schoon · Besigheim, DE
• Vincent Geake · Cambridge, GB

Key dates

• Filing date: Jan 28, 1991
• Grant date: Apr 27, 1993
• Expiry date: Jan 28, 2011

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B07C3/18
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A method of bar code printing is disclosed. The bar code is printed directly onto packaging material associated with the product, and in that the ink used to produce the bar code is such that indicia constituting the bar code can be discriminated regardless of the background onto which the bar code is printed.