Arrangement for feeding out fibre bundles with random fibre direction
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United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
May 17, 1996
filing date -
Nov 19, 1993
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Abstract
An arrangement for repeatedly feeding fiber bundles with random fiber direction from a magazine roll of fiber thread, for example in the production of flock preforms for products made of thermosetting resin. The arrangement comprises feed devices for feeding the fiber threads from the magazine roll and cutting device for cutting the fibers into the desired lengths. The feed devices include at least a first and a second pair of driven feed rollers placed in sequence, which feed rollers form nips for the fiber threads. A pneumatically driven fiber-ejecting device is placed downstream of the cutting devices. The fiber ejection device includes an oblong tube sleeve with air flow channels for directing turbulent air flow.
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