Method and device for drafting at least one sliver
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United States of America Patent
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N/A
Issued Date -
Dec 22, 2005
app pub date -
Feb 7, 2005
filing date -
Aug 10, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a method for drafting at least one sliver (FB) by means of a regulated spinning machine, particularly a carding machine or drawing frame, comprising pairs of rollers (2a, 2b, 3a, 3b, 4a, 4b) which are disposed one behind another and upstream of which the cross section of the at least one sliver is measured. The inventive method is characterized by the fact that at least one roller (2a, 3a) of a first pair of rollers (2a, 2b, 3a, 3b) is triggered via a first regulating circuit while at least one roller (4a) of a second pair of rollers (4a, 4b) is triggered via a second regulating circuit based on the measuring signals. Also disclosed is a device for carrying out the inventive method.
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