Patent ID: 6581418
Filing Date: 2003-06-24
Classification: D06B

Abstract:
A polychromatic yarn dyeing apparatus comprising:an upper track portion having at least one pair of upper wheels disposed in parallel, an upper caterpillar unit rotatably travelling around the upper wheels in a traveling direction, and a plurality of upper dyeing members coupled with the upper caterpillar unit; a lower track portion having at least one pair of lower wheels disposed in parallel, a lower caterpillar unit rotatably travelling around the lower wheels at the same travelling speed as that of the upper caterpillar unit in a traveling direction and having a travelling section parallel to and moving in an advancing direction with a travelling section of the upper caterpillar unit, and a plurality of lower dyeing members coupled with the lower caterpillar unit, the lower dyeing members contacting the upper dyeing members along the traveling section with a yarn being positioned therebetween; and a plurality of dye supplying parts disposed sequentially along the travelling direction of the lower caterpillar unit, for supplying dyestuff of different colors respectively to preselected ones of the lower dyeing members such that the preselected ones of the lower dyeing members supplied with respective different color dyestuffs travel to the traveling section of the lower caterpillar unit for engagement with the traveling section of the upper caterpillar unit to transfer the associated different color dyestuffs to the yarn located therebetween.