Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
  • D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
  • D06B5/12—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length
  • D06B5/16—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length through yarns, threads or filaments

Definitions

• the invention relates to a method for producing a dyed twisted yarn according to the preamble of claim 1.
• the object of the invention is to provide a dyeing process for twisted yarns in which a yarn of higher quality and better dyeing of the individual threads at the crossing points can be achieved with fewer rewinding processes.
• the yarn spooled into a precision bobbin in the first process step and having a homogeneous bobbin structure due to a constant turn ratio and a constant pitch and thread spacing of the turns creates optimal conditions for dyeing, since the untwisted yarn can be dyed evenly without color differences at the crossing points can.
• the larger coil density enables a capacity expansion of 30-40% without further investments with a reduced fleet quantity. There is also no need to break the edges of the bobbin and broke due to density differences if dyeing takes place before twisting.
• the up to 30% greater density of the bobbin and thus a smaller bobbin with the same thread length causes the yarns save energy and reduce the Thread tension due to the much smaller balloon.
• the precision compartment template runs from the large bobbin diameter to the small diameter without a noticeable reduction in thread storage on the double-wire spindle.
• the complete phase-out and the short downtimes thanks to long run lengths and a low number of nodes reduce labor costs with higher quality.
• the coloring of the untwisted yarn results in a more voluminous round thread, which enables the use of OE yarns in the fashionable knitting outerwear sector.
• the method according to the invention enables partial automation in the production of dyed twisted yarns.
• two or more OE or ring spun yarns drawn off a bobbin are processed on a precision specialist machine into a precision bobbin, the homogeneous bobbin structure of which has a constant winding ratio with constant pitch and constant thread spacing of the windings, and a density that is up to 30% higher than that of a winding bobbin.
• the precision winding is dyed, whereby, owing to the greater packing density or the greater thread length per volume unit, a smaller amount of dye per kilogram of yarn is necessary, and 30-40% more yarn can be used in the autoclave without additional investment be colored per cycle.
• bleaching can also be carried out instead of colored.
• the folded and dyed yarn is twisted directly from the precision bobbin, from which the yarn can be twisted due to the low number of knots and excellent run-off properties. If a finishing agent is also added during dyeing in the last cycle, the running properties of the yarn can be increased further.
• the greater packing density results in smaller bobbin dimensions with the same thread running length, so that the balloon also has a small diameter, which leads to higher performance of the twisting machine.
• a finish can be applied to sewing threads and then a precision sewing thread spool can be created directly afterwards.
• Precision coils or coils as they are used or created to carry out the method according to the invention, are coils according to the definitions as explained by DIN standard 61 801 of August 1975, or more generally, coils with layers of precision coils. Also included are coils or coils with a controlled winding structure.

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Materials Engineering (AREA)
• Textile Engineering (AREA)
• Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
• Coloring (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=4303914

Family Applications (1)

Country Status (3)

Cited By (3)

Families Citing this family (3)

Citations (2)

Family Cites Families (10)

• 1985
  • 1985-12-09 EP EP85810584A patent/EP0185616B1/fr not_active Expired
  • 1985-12-09 DE DE8585810584T patent/DE3567918D1/de not_active Expired
  • 1985-12-12 US US06/809,063 patent/US4685284A/en not_active Expired - Fee Related

Patent Citations (2)

Also Published As

Similar Documents

Legal Events