Apparatus for laboratory dyeing of a sample piece
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United States of America Patent
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-
Jun 1, 1993
Grant Date -
N/A
app pub date -
May 6, 1991
filing date -
May 5, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Laboratory-scale dyeing of samples of lengths of material must correspond to the continuous process conditions as executed in practice in order to obtain comparable dyeing results. For this purpose, the provision is made of joining the sample piece into a tube and of pushing same onto a roll which revolves continuously during dyestuff application as well as during the steaming procedure. For performing this laboratory dyeing-steaming cycle, it is advantageous to arrange the dyeing roll on a rocking lever pivotable from a dyeing position below the dyestuff applicator into a steaming position below a steamer hood. The steamer hood, for steaming purposes, need merely be moved downwards to immerse the dyeing roller in total into the steam atmosphere.
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