Process for coating detergent tablets

US6812200B2 · kind B2 · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Henriette Weber · Goldkronach, DE
• Georg Assmann · Frechen, DE

Key dates

• Filing date: Jun 23, 2003
• Grant date: Nov 2, 2004
• Expiry date: Jul 25, 2023

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B05C5/005
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A process for coating laundry detergent or cleaning product tablets that contain builder(s) and also, if desired, further laundry detergent and cleaning product ingredients, by transporting the tablets on a conveyor belt provided with a multiplicity of apertures and forcing coating material through the conveyor belt apertures from below with a force such that the coating material forced over the conveying plane forms a surge through which the tablets are transported.