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3. Checking seams
3.1 Materials and methods for dimensional examination of crimps
The dimensional examination of can seams is quite complex and requires a certain amount of expertise. All the measurements collected enable us to determine the conformity of a seam to one or more quality standards.
A compliant seam is deemed to be watertight, which constitutes a control point that is very often the subject of a CCP (Critical Control Point), or at least a PrPO (operational prerequisite), in a company's sanitary control plan.
The tightness of the can after crimping is an essential requirement, and cannot be tolerated when it comes to controlling the biological risk of recontamination after heat treatment.
Dimensional inspection of seams...
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Checking seams
Observed crimping faults, correlation between tightness and dimensional measurements of crimps
Bibliography
Software tools
Serti on line, CETIM, 52, avenue Félix – Louat – CS 80067 – 60304 Senlis Cedex
Websites
Azaquar – General information on crimping http://www.azaquar.com/doc/sertissage-des-bo%C3%AEtes-m% C3%A9talliques
EMPAC – European Metal Packaging http://empac.eu/
Recommendations for crimp dimensions...
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Crimping machine manufacturers
SCIM http://www.scim.fr/
FERRUM http://www.ferrum.net/en/gbc/index.php
Crimp inspection equipment...
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