Ebene Isoliermatten und Verfahren zur ihrer Herstellung

摘要

The invention relates to a ceramic fiber felt or mat having an area comprising a high temperature ceramic fiber and another portion of lower temperature ceramic fiber. The two portions being joined seamlessly by an intermingling and intimate relationship of the two fiber types during the formation process. The invention further provides apparatus for formation of such ceramic fiber composites and further provides for forming such composite ceramic fiber members into modules.