Inventors:
- Charlotte NC, US
Solomon Bekele - Taylors SC, US
Honglei Li - Huntersville NC, US
Matthew Dawe - Simpsonville SC, US
Louise Cynthia Ebner - Charlotte NC, US
International Classification:
B29C 48/92
B29C 48/08
B29C 71/04
B29C 48/00
B29C 48/91
B29C 48/88
G01N 21/896
Abstract:
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.