Device for producing a nonwoven fabric made of fiber material
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United States of America Patent
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-
Jan 7, 1997
Grant Date -
N/A
app pub date -
Feb 27, 1995
filing date -
Sep 10, 1992
priority date (Note) -
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Abstract
A device for producing nonwoven fabric with a carding machine 3 and a nonwoven fabric layering apparatus 2. A web storage device 5 with a variable storage volume is arranged between the web producer 3 and the nonwoven fabric layering apparatus 2. The web storage device 5 is controlled by the layering belts 8, 9 of the non-woven fabric layering apparatus 2. The rotational speed VB of the layering belts 8, 9 is variable and fluctuates in rhythm with the absolute traveling speed VL of the layering carriage in the inlet area 10. The web storage device 5 is emptied and filled at the same rhythm as the web 4 by control coupling.
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