Method and device for inserting fibers in expanded form into a cavity or depositing them on a surface
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United States of America Patent
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Jul 6, 2004
Grant Date -
Sep 5, 2002
app pub date -
Feb 19, 2002
filing date -
Mar 2, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for filling a receiver with expanded fibers includes the steps of feeding at least one bundle of fibers from at least one roving; introducing the at least one bundle into a portable tool having a manual gripping element, a spray nozzle, an air supply device connected for supplying air to the nozzle, an extraction system configured to hold the at least one bundle and feed the at least one bundle to the nozzle, and an inlet guide positioned to guide the at least one bundle to the extraction system; and using the air supply device to expand the fibers of the at least one bundle in said spray nozzle, and spray the expanded fibers into the receiver.
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