Method for the application of a lubricant on a sewing yarn
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United States of America Patent
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-
Dec 12, 1995
Issued Date -
N/A
app pub date -
Mar 7, 1995
filing date -
Jan 10, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method is described for application a lubricant onto a sewing yarn. The sewing yarn to be lubricated is prepared as heap of yarn or as wound package. This heap respectively this package is superfused or perfused with a bath containing said lubricant. As fluid a supercritical fluid is selected. Whereby after the perfusion respectively the superfusion a temperature reduction, a pressure reduction and/or a volume increase is performed.
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