Dyeing apparatus and method therefor

Details Dyeing apparatus and method therefor Dyeing apparatus and method therefor

2008-07-15

2008-07-15

Barr, Michael (Department: 1792)

Textiles: fluid treating apparatus

Machines

With gas, steam or mist treating

C068S011000, C068S012070, C008S504000, C008S932000, C008S934000

Reexamination Certificate

active

11225161

ABSTRACT:
A dyeing apparatus and method for continuous dyeing of a fabric article with dye, the apparatus including: (a) a dyeing vessel for containing a high-density liquid; (b) a heating mechanism, thermally associated with the dyeing vessel, for heating a dye fixation zone within the vessel to a temperature above 70° C.; (c) a continuous transport mechanism for continuously transporting the fabric article, through a dye impregnation chamber, and through the dye fixation zone of the dyeing vessel, and (d) a dye-dispensing mechanism for delivering a dye liquor within the dye impregnation chamber, so as to impregnate with the dye, the fabric article passing through the chamber, and wherein the dyeing vessel is dimensioned and configured such that a height of the high-density liquid delivers a hydrostatic pressure of at least 0.1 bar gauge to the dye fixation zone, so as to effect fixation of the dye in the fabric article.

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patent: 5050258 (1991-09-01), Fischer et al.
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patent: 5351754 (1994-10-01), Hardin et al.
patent: 6364189 (2002-04-01), Fischer
http://www.e4s.org.uk/textilesonline/content/pdfs/report3.pdf BTTG Textile Processing Techniques of textile industry. see p. 19.
http://www.textileworld.com/News.htm?CD=269&ID=1226 periodical article describing advances in textile dyeing refering to new applications in continuous dyeing processes.
http://www.textileworld.com/News.htm?CD=2301&ID=6719 another review. see “continuous dyeing”. very little news.
http://www.textileworld.com/News.htm?CD=24&ID=844 article describing difficulties in conventional continuous dyeing of polyester.
http://www.epa.gov/ttn/atw/coat/fabric/pic-fabr.pdf Preliminary Industry Characterization : Fabric Printing , Coating , and Dyeing—EPA review of the textile industy see pp. 11-40.
http://www.epa.gov/ttn/atw/fabric/fabrictsdp.pdf p. 2-3 Technical Support Document : Printing coating and Dyeing of Fabrics and other textiles proposed NESHAP.

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