Method and device for producing a mineral wool nonwoven fabric
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United States of America Patent
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N/A
Issued Date -
Jul 8, 2004
app pub date -
Nov 5, 2003
filing date -
Aug 3, 1998
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A device for producing a mineral wool nonwoven fabric, comprising a drop shaft and fibrillation devices in addition to a conveyor device for the conveyance of mineral wool nonwoven fabric. A device is also provided to separate the strip of insulating material into a first section and a second section in a longitudinal direction. A conveyor device directs the first section in such a way that it is placed on the second section. The device enables a mineral fiber product to be created with a density distribution that is such that the upper area and the lower area have a higher density than the area located inbetween.
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