Found these on good old youtube and they answered some of my questions about end seals.
[ame=“http://www.youtube.com/watch?v=SGkWyOCCFOc”]YouTube - Harper International’s Complete Carbon Fiber Process Lines[/ame]
[ame=“http://www.youtube.com/watch?v=_bjnxjkhkCU”]YouTube - Harper International’s New Oxidation Ovens - Focus on End Seal Design[/ame]