Package heat seal quality indicator using UV visible thermochromic ink

A method of verifying seal quality of a packaging material includes providing packaging material, and applying a thermochromic ink to at least one portion of the packaging material. The method also includes applying heat to the at least one portion of packaging material to form a seal, and inspectin...

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1. Verfasser: Ansinn, Detlev D
Format: Patent
Sprache:eng
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Zusammenfassung:A method of verifying seal quality of a packaging material includes providing packaging material, and applying a thermochromic ink to at least one portion of the packaging material. The method also includes applying heat to the at least one portion of packaging material to form a seal, and inspecting the packaging material to determine the quality of the seal.