Package heat seal quality indicator

G - Physics – 01 – M

Patent

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Details

G01M 3/00 (2006.01) B65B 51/10 (2006.01) B65B 57/00 (2006.01) G01K 11/12 (2006.01)

Patent

CA 2618307

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.

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