Process for laboratory dyeing of sample pieces

Details Process for laboratory dyeing of sample pieces Process for laboratory dyeing of sample pieces

1992-12-16

1994-01-04

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Combined liquid and gas or vapor

D06B 106, D06B 2100, D06B 2304

Patent

active

052748669

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 i 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.

REFERENCES:
patent: 1670262 (1928-05-01), Kershaw
patent: 4494389 (1985-01-01), Smejda
patent: 4796320 (1989-01-01), Ono

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