Apparatus for sterilizing packaging containers

US4511538A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Norbert Buchner · Winnenden, DE
• Gunther Vogele · Schönaich, DE

Key dates

• Filing date: Sep 29, 1982
• Grant date: Apr 16, 1985
• Expiry date: Sep 29, 2002

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65B55/10
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A sterilizing apparatus for packaging containers is equipped with a closable preparation apparatus for a mixture of hot air and sterilizing agent vapor and a sterilizing chamber, into which containers to be sterilized are introduced. The closure means for the sterilizing chamber includes means for suspending a container to be sterilized within the sterilizing chamber. In order to realize a reduced use of sterilizing agent and heating energy, the apparatus has a circulatory system of mixture supply. The sterilizing chamber, as well as a bypass parallel to it, forms a part of this circulatory system. The bypass and the sterilizing chamber are alternately connected with the circulatory system by means of a reversing valve during nonsterilizing and sterilizing periods. A circulating blower, an air heater, and a preparation apparatus are also part of the circulatory system.