Method for production control in stretch blow molding of plastic containers and a test preform

US9346213B2 · kind B2 · utility

Assignee

• KRONES AG · DE

Inventors

• Arno Haner · Wiesent, DE
• Gerald Huettner · Vilseck, DE

Key dates

• Filing date: Jul 1, 2014
• Grant date: May 24, 2016
• Expiry date: Jul 1, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/1352
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A method for production control in stretch blow molding of plastic containers in a blow molding machine, and a test preform for the use therewith, and a blow molding machine for performing the method. At least one test preform with a regular and/or in particular equidistant, printed test pattern is fed into a stream of product preforms entering the blowing molding machine. Furthermore, the product preforms and the test preform are in the continuous operation of the blow molding machine blown to form product containers and to form a test container and the test container is imaged with at least one camera. The product quality during the ongoing test operation can thereby with imaged test container be performed flexibly and selectively.