Package making – Methods – Enclosing contents within progressively formed web means
Reexamination Certificate
2007-01-19
2008-12-16
Gerrity, Stephen F (Department: 3721)
Package making
Methods
Enclosing contents within progressively formed web means
C053S479000, C053S075000, C053S508000, C053S551000, C053S373700, C053S373900, C073S052000, C206S459100
Reexamination Certificate
active
07464518
ABSTRACT:
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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Gerrity Stephen F
Michael & Best & Friedrich LLP
Robert & Bosch GmbH
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