US PATENT SUBCLASS 65 / 513
.~.~ Gas column (e.g., generally upward gas stream, etc.)
Current as of:
June, 1999
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65 /
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GLASS MANUFACTURING
483
DF
FIBER MAKING APPARATUS
{21}
510
DF
.~ With means for cooling newly formed fiber, filament, or preform (e.g., nascent fiber, etc.) {3}
513
.~.~ Gas column (e.g., generally upward gas stream, etc.)
DEFINITION
Classification: 65/513
Gas column (e.g., generally upward gas stream, etc.):
(under subclass 510) Apparatus including means to forcibly cause a slender stream of gas to contact the forming fiber, filament, or preform.
