TriVision Inspection types

Seal inspection

Ensure food product quality, appearance and optimal shelf life with seal inspection of food packaging.

Ensure optimal shelf life
with seal inspection

Sealing food packaging properly is a crucial step in the packaging process to extend the shelf life. An intact package seal keeps the food product in a closed environment, providing the best conditions for the food in gax mixtures to keep its original atmosphere, nutrients and taste, and to avoid contamination.

Various incidents during production can compromise a package's seal and cause leakages, breaking the package's protective functionality.

TriVision’s seal inspection is developed to inspect and validate package seals of vacuum skin pack and modified atmosphere packaging, i.e. thermoformed packaging and tray sealed packaging.

As complete vision solutions based on proven, leading machine vision technology, TriVision systems validate sealed packages' seal integrity.

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Avoid leakages with flawless, intact package seals

During seal inspection, the entire seal area of the packaging is analysed to ensure that the seal contains no errors. Common errors in package seals that cause an unappealing appearance and leakages are food contaminations, foreign object contaminations, foil folds and welding errors.


TriVision's seal inspection systems reject all packages with such seal errors, preventing leakages caused by food contamination, tunnel leakages caused by folded foil and unsealed areas in the sealing caused by e.g. malfunctioning welding jaws.

Detection of Contaminations

Food particles, oils, spices, etc. can get stuck in the seal and cause contaminations. Vision-based seal inspection can detect e.g. food contaminations in seals of e.g. thermoformed trays, plastic cups, and skin pack to food hazards, bad customer experiences and sales decline.

Wrinkled Foil

If the topfoil gets wrinkled, tunnel leakages can occur to compromise the preserving atmosphere inside packages, and additionally it gives the package a bad appearance.


The issue typically arise due to malfunctioning, wear and tear or missing adjustment of various production equipment, e.g. when foil rolls are changed.

Missing Seal Presence

Malfunctioning welding jaws or incorrect temperature and time settings for the sealing process can cause unsealed areas in package seals and hence leakages.

TriVision solutions for seal inspection detects the intact seal of the packaging and any broken, unsealed areas, ensuring rejection of leaking packages while facilitating optimization of the welding process with data utilization.


About TriVision's Production Intelligence


The basics of TriVision Seal Inspection

Watch our movie and hear the basics on how TriVision's seal inspection detects typical seal errors in food packaging to ensure optimal shelf life of packed food products.

Talk to a vision expert

Talk to a vision expert

Want to know how we can inspect the seal of your packaging? Send us a message, and one of our vision experts will reach out to you as fast as possible!



    Commercial Director, partner

    Phone: +45 63 15 47 00


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