Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Scrim – Woven scrim
Patent
1998-12-09
2000-05-16
Copenheaver, Blaine
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Scrim
Woven scrim
442 6, 442 13, 442 18, 428 341, 428550, 428155, 219309, 219406, 219407, 219429, B32B 1501
Patent
active
060637153
ABSTRACT:
A reinforced ceramic fiber enclosure for muffle furnaces and the like defining a cavity therewithin includes a perforate metallic skeleton defining at least a portion of the peripheral wall of the enclosure and fibrous insulation encapsulating the skeleton with fibers of the insulation extending through the perforations of the skeleton. In some embodiments the enclosure is of rectangular cross section with base, top and side walls. The top and side walls generally extend over only a portion of the length of the enclosure, and mounting and support flanges are desirably provided on at least the front end of the skeleton. To make the enclosure, the skeleton is supported on the exterior of a vacuum mold in spaced relationship thereto, and the mold and skeleton are immersed in slurry of ceramic fibers and a bonding agent therefor. The vacuum drawn through the mold causes the fibers and bonding agent to deposit on the mold and encapsulate the skeleton with fibers extending through the perforations of the skeleton.
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Holbeck John H.
Roy Richard D.
Copenheaver Blaine
Degussa-Ney Dental, Inc.
Singh Arti R.
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