METHOD AND APPARATUS FOR CONTROLLING WELDING OF FLEXIBLE FABRICS
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United States of America Patent
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Issued Date -
May 8, 2014
app pub date -
Mar 14, 2013
filing date -
Nov 5, 2012
priority date (Note) -
Abandoned
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Abstract
A machine and method for welding first and second fabric panels together. The machine includes a welding head which travels along a frame, applying heat and pressure to an overlapped region of the panels. An infrared camera is positioned to monitor the seam temperature after formation. The camera takes a thermal image across the width of the seam and transmits the data to a central processing unit (CPU). Programming in the CPU compares the thermal image data with a pre-programmed ideal temperature profile. Based on the comparison, the CPU makes adjustments to one or more of the speed of travel of the welding head, and the heat and pressure applied by the welding head, if necessary. The CPU activates an alarm to alert the machine operator if the adjustments aren't successful. The machine further includes a marking assembly for identifying regions on the welded seam which may require post-production testing.
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