Dyeing process to minimise waste water production
Assigneeadidas AG
InventorGeorge David Halley
Life of this patent
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Abstract
The present invention relates to a method of dyeing a textile, yarn or strand, in particular for use in footwear or apparel. The method may comprise the steps of: a) exposing at least a part of the textile, yarn or strand to a plasma field and a laser beam; and b) dyeing the textile, yarn or strand by digital dyeing, c) wherein the plasma field and the laser beam are at least partly overlapping to pre-treat the textile, yarn or strand prior to dyeing, and d) wherein the method is performed inside at least one of chamber(s). The present invention also relates to a textile, yarn or strand dyed according to the method of dyeing as well as to a system adapted for dyeing a textile, yarn or strand.
Claims15
A method of dyeing a textile, yarn or strand, for use in footwear or apparel, the method comprising the steps of:
- exposing at least a part of the textile, yarn or strand to a plasma field and a laser beam;
- and
- dyeing the textile, yarn or strand by digital dyeing,
- wherein the plasma field and the laser beam are at least partly overlapping to pre-treat the textile, yarn or strand prior to dyeing, and
- wherein the method is performed inside at least one chamber.
A system adapted for dyeing a textile, yarn or strand, for use in footwear or apparel, the system comprising:
- at least one chamber;
- a mechanism for exposing at least a part of the textile, yarn or strand to a plasma field and a laser beam inside the at least one chamber;
- a mechanism for dyeing the textile, yarn or strand by digital dyeing inside the at least one chamber;
- and
- wherein the plasma field and the laser beam are at least partly overlapping to pre-treat the textile, yarn or strand prior to dyeing.
Dependencies are inferred from the claim text.