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US 3,969,074 AGranted
Process for dyeing yarn hanks
OwnerHui Do Chunginventor
Life of this patent
Estimating the term…
Abstract
Two dye baths each have hangers and orificed spindles, about which may be mounted yarn hanks. A dye supply alternatey simultaneously supplies dye through the spindle orifices of one bath to spray dye the yarn hanks therein, and supplies dye into the other bath to dip dye the yarn hanks therein.
Claims2
A process for dyeing yarn hanks, said process comprising:
- suspending yarn hanks in each of two separate baths;
- and
- repeatedly alternately subjecting said yarn hanks in each of said baths to a dipping dyeing operation and a spraying dyeing operation, said step of subjecting comprising supplying dye into a first of said baths and dip dyeing said yarn hanks therein, while simultaneously spraying dye into a second of said baths and spray dyeing said yarn hanks therein, and then repeatedly alternating said dip dyeing and spray dyeing between said first and second baths.
Dependencies are inferred from the claim text.