PROCESSES AND SYSTEMS FOR IN-LINE INSPECTION OF FUNCTIONAL FILM LAYER CONTAINING DETECTABLE COMPONENT

The continuity of a functional layer of a web is assessed by forwarding the web, detecting the presence of the functional layer and a discontinuity and/or a thin region in the functional layer, and generating a signal in response to the discontinuity and/or thin region. The functional layer comprise...

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Bibliographische Detailangaben
Hauptverfasser:	Bekele, Solomon, Li, Honglei, Ebner, Louise Cynthia, Jones, Dewitt, Dawe, Matthew
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TESTING TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The continuity of a functional layer of a web is assessed by forwarding the web, detecting the presence of the functional layer and a discontinuity and/or a thin region in the functional layer, and generating a signal in response to the discontinuity and/or thin region. The functional layer comprises a detectable component in a thermoplastic composition. The detecting is carried out by a machine vision system capable of detecting the detectable component in the functional layer. The detectable component can be active or passive. Also included are systems for carrying out the process.