Method for quality assessment of a sealing section of a package, and an apparatus thereof

US11866213B2 · kind B2 · utility

Assignee

• Tetra Laval Holdings & Finance S.A. · CH

Inventors

• Hans Hallstadius · Lund, SE
• Magnus Råbe · Lund, SE
• Viktor Petersson · Hjärup, SE
• Daniel Zulumovski · Malmö, SE
• Håkan Andersson · Vimmerby, SE
• Stefano FANTINI · Reggio nell'Emilia, IT

Key dates

• Filing date: Oct 21, 2019
• Grant date: Jan 9, 2024
• Expiry date: Dec 23, 2040

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B29L2031/7166
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A method for quality assessment of a sealing section of a package, wherein the package includes at least a robustness layer and a plastic layer. The sealing section is formed by holding a first section and a second section of the package against each other while providing heat such that the plastic layer of the first and second section melt and thereby provide for that the first and second section adhere to each other. The method includes capturing image data depicting the sealing section using a camera, identifying a reference line in the image data, identifying a sealing section boundary line in the image data, determining a sealing section assessment feature set based on the reference line and the sealing section boundary line, and comparing the sealing section assessment feature set with a reference feature set.