Patents Assigned to Hans-Jorg Hamann
  • Patent number: 5400453
    Abstract: The invention concerns a method for dyeing textiles, whereby textiles are loaded with a dye liquor containing dye in diluted form; several mutually separate dye compartments (dye containers) being provided and mounted in a zone above the dyeing chamber receiving the textiles to be treated. Several textile pieces are processed simultaneously in the dyeing chamber of which the base zone comprises supply lines with upwardly directed supply apertures for steam and for the dye liquor. Thus, it possible to deposit colors structured as pictures across wide areas and differing from each other on a variety of textiles. Furthermore, uniform dye soaking of the textiles is achieved in spite of such image designs. For that purpose, the invention provides that the dye liquor is made to pass from below to above through the textiles using pressurized transport media at raised pressure.
    Type: Grant
    Filed: April 1, 1994
    Date of Patent: March 28, 1995
    Assignee: Hans-Jorg Hamann
    Inventor: Hans-Jorg Hamann
  • Patent number: 5375281
    Abstract: The instant invention provides a method for treating, in particular, for dyeing fabric warps, wherein the warps in the raw (white) state pass through a so-called sizing bath which rigidifies them and makes them more wear-resistant. The warps so treated are then woven and the textile so made is dyed in a manner to drastically lower costs. The invention calls for untreated warps in the raw (white) state to pass in-line through at least one bath containing the size in a single operational step, the dyes to be deposited being present as a viscous or pasty substance in the bath in addition to the size.
    Type: Grant
    Filed: January 28, 1993
    Date of Patent: December 27, 1994
    Assignee: Hans-Jorg Hamann
    Inventor: Hans-Jorg Hamann