Process and device for application of vat dye, especially indigo, to a thread bundle
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United States of America Patent
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-
Jul 18, 2000
Grant Date -
N/A
app pub date -
Jan 30, 1998
filing date -
Jan 31, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a process for the application of a vat dye, preferably indigo, to a thread bundle (1), before thread bundle (1) enters a dye liquor (3) it is run through a steam lock (5). Steam lock (5) is separated from a chamber (20) through which thread bundle (1) is run after leaving dye liquor (3) via a holding section (21) in an essentially oxygen-free atmosphere.
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