CS265801B1 - A method for producing mixed dyed strands, in particular from a mixture of wool and polyester fibers - Google Patents

Abstract

The method of producing mixed dyed strands, especially from mixtures of wool and polyester fibers, is carried out in such a way that a 100% wool strand produced on a carding machine with a saw coating is twisted twice, and then the twisted wool strand is dyed or printed, equalized, then mixed with a dyed polyester and/or other strand and combed in the mixture and then twisted at least twice. It is used for 100 # vigoreux or uni mixed yarn. The invention can be used in textile organizations that have insufficient combing capacity and the carded strand is processed on carding machines with saw coating.

Description

The object of the invention is a method for producing / blended strands, in particular a blend of wool and polyester fibers, wherein the wool portion consisting of 100% wool carded strand produced on a saw-type carding machine is judged at least twice.

There is a known process for producing strands for blended yarns, which are processed such that 100% wool sliver is scanned two or three times after carding, followed by combing and two sizing again. dye on a continuous line. After dyeing, leveling and blending with the dyed polyester strand is carried out in the specified ratio. The mixed strand thus treated is screened (second combing) and subsequently checked twice. After drawing, the mixed strand is spun in yarn ·

The disadvantage of this method is that it necessarily increases the intensity of the second combing operation, that is, the combing.

This creates additional waste, demands are placed on labor, basic resources, energy and overhead material. According to the set consumption standards, only knobs and other impurities are combed out and the yarn shows higher unevenness.

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[0003] The aforementioned disadvantages ei have the object of eliminating the method of producing mixed strands, in particular of wool and polyester yarns, wherein the wool portion consisting of 100% wool carded strand produced on a saw-type carding machine is at least twice considered. that the stitching operation is followed by dyeing or printing the wool carded sliver, after which it is leveled and the wool carded sliver is mixed with dyed polyester and / or other sliver and mixed in a mixture and subsequently scanned twice ·

An advantage of said method of producing a mixed strand is that, in addition to eliminating the disadvantages of the above, perfect blending of the fibers on the combing machine is achieved, removing all impurities and short fibers. A maximum of 50% of the volcanic wool strand is fed to the combing machine. • The polyester strand is clean; The method according to the invention ensures better uniformity of the yarn in a more uniform staple and a quality corresponding to the standards for yarns of combed sliver.

An embodiment of the method of making the mixed strands according to the invention is shown in the following examples:

Example 1

Production of strands for 45/55 wool / PES mixture. First, the washed wool is carded on a saw-type carding machine. The carding machine is adjusted according to the technological conditions of the fineness of the wool.

The carded strand is pumped on the drawing machine two to three times. This is followed by dyeing 100% wool carded sliver on a continuous or printing dyeing line. The dyed carded strand is leveled after dyeing on a drawing machine.

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After leveling and ee blending, the dyed carded strand is blended with a polyester dyed strand to a 45/55 wool / PES blend. The polyester strand is prepared on a cutting or tearing converter and dyed. The mixed strand is subjected to combing on the combing machines. Combing is followed by twice drawing.

After the finished combing and drawing is followed by yarn spinning in Tex 21 x 1, 21 x 2, 23 x 1, 23 x 2, 24 x 1, 24 x 2, 25 x 1, x 2, 42 x 1, 50 χ 1 or other Tex.

Example 2

Production of 65/35 wool / PES yarn. The production process of carded sliver is the same as in case 1.

Only mixing is performed on a 65/35 wool / PES mixture. Polyester strand is prepared on a shredder or cutting converter and also dyed. The mixed strand after finishing combing and drawing is spun in Tex 25 χ 1, 25 x 2, 21 x 1, x 2 or other Tex yarns.

Example 3

Production of 30/40/30 wool / PES / Vis yarn.

The production process of carded sliver is the same as in case 1.

Mixing is performed on a 30/40/30 wool / PES / Vis mixture. Polyester strand is prepared on a shredder or cutting converter and also dyed. The viscose strand is made of dyed flakes on a carding machine and combed in a classical way.

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The strands thus produced are mixed to a 30/40/30 wool / IBS / VIA mixture, combed and coated. After finishing the combing and drawing, the yarn is spun in Tex 25 x 1 »25 x 2, 21 x 1 21 x 2, or other Tex.

The spun yarns are then processed into weaving mills.

Advantageously, the invention can be used in textile organizations which do not have sufficient screening capacity and the carded strand is processed on carding machines and saw coats.

Claims (1)

A method for producing blend dyed strands, in particular blends of wool and polyester fibers, wherein the wool portion consisting of 100% wool carded strand produced on a saw-type carding machine and is at least twice scratched, characterized in that the scratching operation is followed by dyeing or printing the wool carded strand after which the leveling is carried out and the wool carded strand is mixed and dyed with a polyester and / or other strand and mixed in a mixture and subsequently at least twice checked.