Classifications

• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04B—KNITTING
  • D04B9/00—Circular knitting machines with independently-movable needles
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04B—KNITTING
  • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
  • D04B1/10—Patterned fabrics or articles
  • D04B1/102—Patterned fabrics or articles with stitch pattern
  • D04B1/104—Openwork fabric, e.g. pelerine fabrics
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04B—KNITTING
  • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
  • D04B1/10—Patterned fabrics or articles
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04B—KNITTING
  • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
  • D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
  • D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04B—KNITTING
  • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
  • D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
  • D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
  • D04B1/246—Upper torso garments, e.g. sweaters, shirts, leotards
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04B—KNITTING
  • D04B9/00—Circular knitting machines with independently-movable needles
  • D04B9/06—Circular knitting machines with independently-movable needles with needle cylinder and dial for ribbed goods
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2403/00—Details of fabric structure established in the fabric forming process
  • D10B2403/01—Surface features
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2403/00—Details of fabric structure established in the fabric forming process
  • D10B2403/02—Cross-sectional features

Definitions

• the present invention relates to a method for producing a knitwear formed at least partially as a single jersey knitwear with a hole structure and to a functional textile based on a knitwear formed at least partially as a single jersey knitwear having a hole structure.
• Kettstuhlware in which stable holes in textile fabrics can be made available.
• Kettstuhlware is only partially used for the production of clothing due to the low elasticity.
• a much better elasticity can be achieved in the production of knitwear.
• there is a natural elasticity in the longitudinal and transverse direction in circular knitwear which is ideal for the production of clothing textiles, especially in the sporting goods or laundry sector.
• EP 1 070 776 A2 discloses a double-jersey circular knitting machine for producing thin, lighter yet high-density textiles.
• This circular knitting machine has a rotatable cylinder with a plurality of vertically oriented, conventionally formed knitting needles.
• the conventionally formed knitting needles have no transfer function and are vertically movably supported in corresponding grooves in the cylinder.
• the known circular knitting machine on a rotatable dial with a plurality of horizontal, radially aligned grooves. In the grooves horizontally movable Rippnadeln be housed.
• the rib needles are designed as transfer needles.
• the well-known circular knitting machine has the peculiarity that on the cylinder twice as many needles as transfer needles are provided on the dial.
• the object is achieved on the one hand by a method for producing a knitwear designed at least in part as a single jersey knitwear with a perforated structure, wherein the knitwear on a double jersey knitting machine with a first and a second needle carrier and with a machine fineness of> 24 needles / Inch, with the first needle carrier opposite the second needle carrier, the first needle carrier having a needle number / inch of latch needles corresponding to the machine gauge and the second needle carrier having transfer needles, wherein the number of needles / inch of the transfer needles is at least 2 times smaller than the number of needles / Inch of the latch needles of the first needle carrier, and wherein the transfer needles Henkel accumulations are formed with at least one catch per hole and the tuck loops are then transferred without or with at least one stitch of the transfer needles on the latch needles.
• the method according to the invention it is possible to implement the previously incompatible demands on a knitted fabric, such as fineness and large holes, on one and the same knitting machine in a continuous knitting process. So you can reach the fineness of the knitwear by the high number of needles of the latch needles of the first needle carrier.
• the holes are produced by the use of the Henkel accumulations with at least one, preferably with at least two tuck loops per hole, which are subsequently transferred to the reed needles with or without at least one stitch from the transfer needles.
• a single-jersey knitwear can be produced on a double-jersey knitting machine, which has at least partially a hole structure.
• the hole structure may be provided at appropriately suitable locations of the knitted fabric, so that it is possible to form relatively large holes in the areas of the knitted fabric in which the subsequent wearer of the knitted fabric is particularly prone to sweating, while in other areas in which a thermal Protection of the subsequent wearer of the knitted fabric is required, a fine, dense structure is formed.
• the formed in the knitted fabric hole structures can be formed at different areas of the knitted fabric with different size and structure.
• a knitted fabric is produced by the method according to the invention, it can be provided with high elasticity, both in its longitudinal and in the transverse direction. Accordingly, the inventive method is particularly suitable for the production of clothing textiles in sporting goods or laundry. However, there are still significantly more applications given, so the inventive method, for example, can be used to produce other functional textiles, such as cover or mattress fabrics.
• the transfer needles of a needle carrier fineness of> 18 needles per inch are corresponding transfer needles.
• a double jersey circular knitting machine is used as a double jersey knitting machine.
• the latch needles may be provided on the dial and the transfer needles on the cylinder of the double-jersey circular knitting machine, wherein the latch needles are provided on the dial at least twice as high number of needles as the transfer needles on the cylinder.
• the circular knitting machine is particularly suitable for the production of clothing textiles, such as T-shirts or undershirts, which can be provided with large holes, for example, especially in areas where high breathability is desired, while the abdominal and back areas of T-shirts or undershirts can be formed as a dense, fine knit fabric.
• the method according to the invention can in principle also be applied to flat knitting machines.
• transfer needles are used, which are selected by means of a mechanical or electronic selection device.
• Particularly preferred according to the invention is the use of an electronic jacquard device for single needle selection. In this way, a highly efficient, automated knitting method can be provided, with which a wide variety of knitting patterns of the knitted fabric to be formed can be produced.
• knobs can be provided, for example, on clothing textiles and used in these as a spacer of the textile to the body of a wearer of the clothing textiles.
• at least one weft can be incorporated into the knit.
• textiles can be formed with increased stability and increased volume.
• weft inserts can be produced, for example, as composite materials for mattresses.
• the sizes and / or distances of the holes of the hole structure and / or the nubs depending on requirements on the knitted fabric with respect to their exchange capacity of gas, heat and / or water vapor and / or formed with respect to their elasticity. For example, if an increased exchange of air at certain points of the knitted fabric are made possible, it is recommended to provide the largest possible hole sizes and / or the smallest possible hole spacing in the hole structure. Likewise, the largest possible hole sizes and / or the smallest possible hole spacing of the hole structure results in an increased elasticity of the knitted fabric. Furthermore, the size of the nubs directly influences the size of the nubs, so that large nubs are formed when forming large holes, which in turn can make a large distance, for example, to the body of a wearer of a clothing textile.
• the double jersey knitting machine knits with at least two systems with a subsequent transfer system. This can be worked very effectively, so that in a short time a large amount of knitwear can be produced.
• the number of needles / inch of the transfer needles smaller by a factor of 3 or 4 than the number of needles / inch of the needlestick of the first needle carrier. In this way, a particularly high number of latch needles can be used and thus a high fineness of the knitted fabric to be formed can be achieved. The greater the number of latch needles of the first needle carrier, the finer and denser knits can be made.
• the object of the present invention is further achieved by a functional textile, based on a knitwear formed at least partially as a single jersey knitwear with a hole structure, the knitwear being obtainable by knitting under Use of a double jersey knit fabric having first and second needle carriers and a machine gauge of> 24 needles / inch with the first needle carrier facing the second needle carrier, the first needle carrier a needle number / inch of latch needles corresponding to the machine gauge and the second Needle carrier having transfer needles, wherein the number of needles / inch of the transfer needles is at least a factor of 2 smaller than the number of needles / inch of the first needle carrier and the hole structure of handle needles produced with the transfer needles having at least one, preferably at least two tuck loops per hole, without or formed with at least one stitch of the transfer needles on the latch needles, is formed.
• the functional textile according to the invention can be, for example, a clothing textile which can be used in the sports or laundry sector.
• the functional textile according to the invention can be used variably.
• a functional textile is to be understood as meaning a textile which is constructed according to physiological aspects and is intended, in particular, to effect the removal of moisture.
• the functional textile can be designed such that neither water nor wind can penetrate from the outside through the functional textile, but that the functional textile makes it possible to escape water vapor, such as perspiration, by permeating it from the inside to the outside. That is, the functional textile according to the invention allows an exchange of gas, heat and / or water vapor.
• the functional textile according to the invention is a knitwear, it has the advantageous bi-elasticity properties associated with knitwear.
• due to the high number of needles it can be made available to the latch needles in the first needle carrier with a very high fineness and density.
• the holes of the introduced into the functional fabric according to the invention hole structure in comparison to previous options are variable and large auslagbar.
• the hole size is determined by the number of tuck loops per hole. Typically, this creates relatively large, elongated holes.
• the functional textile according to the invention is designed so that the hole structure is provided for locally increasing the vapor permeability of the functional textile.
• the hole structures can advantageously be provided under the armpits.
• the perforated structure is provided at least on a right-hand side of the functional textile and provided on a left-hand side of the functional textile using the handle accumulations, protruding nubs from one surface of the knitted fabric.
• These nubs for example, when used in a clothing textile, can serve as spacers to the body of the respective wearer of the clothing textile.
• sizes and / or spacings of the holes of the hole structure and / or the dimples are formed as a function of local requirements for the functional textile with respect to their exchange capacity of gas, heat and / or water vapor and / or with respect to their elasticity.
• the functional textile according to the invention can thus be manufactured exactly aligned with its intended use.
• the functional textile according to the invention can combine several different properties with regard to the exchange capacity of gas, heat and / or water vapor and / or with regard to the elasticity of the functional textile and still be produced on a single knitting machine in a single knitting process.
• the functional textile according to the invention with high functionality and yet with very high efficiency and thereby inexpensive to produce.
• Figure 1 schematically shows a perspective view of a section of a
• Figure 2 shows schematically an example of a functional textile according to the invention
• Figure 3 shows schematically an example of a knitted fabric with nubs produced by the method according to the invention in a cross-sectional view
• Figure 4 shows schematically an example of a knitted fabric with holes produced by the method according to the invention in a plan view of a fabric side of the knitted fabric;
• FIG. 5 shows schematically an exemplary embodiment for a repeat of a knitted fabric which can be produced with the aid of the method according to the invention.
• Figure 6 shows schematically another possible embodiment for a repeat of a producible with the aid of the method according to the invention knitwear shows.
• Figure 1 shows schematically in perspective a section of a usable for carrying out the method according to the invention circular knitting machine.
• the circular knitting machine shown is a double jersey knitting machine with a first needle carrier 1 in the form of a rotating dial and a second needle carrier 2 in the form of a rotating cylinder.
• the first needle carrier 1 is arranged opposite the second needle carrier 2.
• the needles which are arranged on the first needle carrier 1 and the second needle carrier 2 of the circular knitting machine shown in Figure 1, aligned with each other at an angle of 90 °.
• latch needles 12 are made individually movable horizontally.
• the latch needles 12 are provided with a number of needles / inch, which corresponds to the machine fineness of the circular knitting machine used. This machine fineness is according to the inventive method at least E24 and advantageously E28. Accordingly, many fine latch needles 12 are arranged relatively close to each other on the first needle carrier 1.
• the provided in the embodiment of Figure 1 in the form of a cylinder second needle carrier 2 has circularly arranged, vertically formed grooves 21 in which transfer needles 22 are individually vertically movable.
• the transfer needles 22 can realize a transfer function in that a spring 24 is provided on the needle shaft 23 of the transfer needles, whereby a gap 25 is formed between the cylinder needle shaft 23 and the spring 24 into which the needle head 13 of a latch needle 12 of the first needle carrier 1 pierces can. Due to this structure, fewer transfer needles 22 can be provided on the second needle carrier 2 as latch needles 12 on the first needle carrier 1.
• the number of needles / inch of the transfer needles 22 in the embodiment shown in Figure 1 for example, by a factor of 2 smaller than the number of needles / inch of the latch needles 12 of the first needle carrier 1 is selected.
• the number of needles / inch of the transfer needles 22 may be even lower. For example, it may be smaller than the number of needles / inch of the latch needles 12 of the first needle carrier 1 by a factor of 3 or 4.
• the dial in the circular knitting machine shown in Fig. 1, the dial includes latch needles 12 and the needle cylinders transfer needles 22 which move in two independent needle beds of different fineness and cause stitch transfer from the dial to the cylinder and from the cylinder to the dial.
• very fine transfer needles 22 of E 18 are used in the second needle carrier 2.
• the cylinder used as the second needle carrier 2 has a special pitch corresponding to half the number of needles / inch of the first needle carrier 1, that is, for example, E12 or E14.
• the needle spacing obtained by the higher pitch value on the second needle carrier 2 is designed so that the respectively opposite needles of the first Needle carrier 1 and the second needle carrier 2 can knit completely contactless.
• the transfer needles 22 selected via the electronic jacquard device take up the thread on the cylinder in a repeating 2-, 3- or 4-times catching position.
• the tuck loops 14 thus produced on a transfer needle 22 and shown for example in the courses 2 to 5 of FIGS. 5 and 6 are replaced by the reed needles 12 in the subsequent transfer system, as shown by the corresponding arrows in row 7 or 6 of FIGS. 5 and 6 taken on the dial.
• latch needles 12 in RL-Austriebsposition formed on the dial a single-jersey knit, which depending on the number of each generated tuck 14 by differently sized adjustable and pattern freely selectable eyelet openings is marked.
• the holes nubs are formed on the respective other side of the knitted fabric goods, which can be used for example as a spacer to the body of a wearer of a textile formed from the knitted fabric.
• An example of a functional textile produced using the method according to the invention is shown in FIG.
• FIG. 2 schematically shows a possible embodiment of a T-shirt, which can be produced by means of the method according to the invention in a process on one and the same knitting machine.
• the functional textile 3 shown has different sized holes 10 at different locations. For example, very large holes 10 are formed at locations 4 which are under the armpits of a later wearer of the T-shirt, while at other locations 5 or 6 of the functional fabric 3 smaller and denser hole structures are provided, which in the example shown have a purely decorative function. Due to the large holes 10 in the areas 4 results in these places a particularly high breathability of the functional fabric shown by way of example 3. At these points, a particularly good exchange of air between the support of the functional textile 3 and the environment is possible. Accordingly, the functional textile 3 has a very high functionality with high elasticity. Since the functional textile 3 can be produced in a single process on a knitting machine, such as the knitting machine shown in FIG. 1, it can also be produced with high efficiency and thus low costs.
• Figure 3 shows schematically in a cross-sectional view an example of a knitted fabric 7 produced by means of the method according to the invention, in which 8 knobs 9 are formed on a base fabric.
• the nubs 9 are formed by the fact that on the other side of the goods holes 10 by the formation of Fanghenkelankorufitch, as shown in Figure 4, are formed.
• FIG. 4 schematically shows a plan view of a knitwear 7 ', which can be produced with the aid of the method according to the invention, having holes 10, which are formed in the knitted fabric T by the tuck loops 14 formed by means of entangling.
• FIG. 5 shows schematically an exemplary embodiment of a thread progression of a knitted fabric which can be produced with the aid of the method according to the invention.
• tuck loops 14 are produced in the cylinder in the courses 2 to 5 at the same place, which subsequently in the course of stitches 6 with a stitch 15 be entangled, wherein the Fanghenkelanphaseufung with the stitch 15 subsequently, as indicated in row 7 by the arrows, is transferred from the cylinder to the dial.
• FIG. 6 shows another possible variant for a yarn course of a knitted fabric which can be produced with the aid of the method according to the invention.
• this variant for example, in the courses 2 to 5 at the same same rod position in the cylinder tuck 14 are generated, which subsequently, as it is indicated schematically in row 6 with the arrows are transferred without stitch from the cylinder to the dial.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Knitting Of Fabric (AREA)
• Knitting Machines (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=45688920

Family Applications (1)

Country Status (9)

Families Citing this family (27)

Family Cites Families (12)

• 2011
  • 2011-01-28 DE DE102011000398A patent/DE102011000398B3/de not_active Expired - Fee Related
• 2012
  • 2012-01-19 JP JP2013550976A patent/JP6101635B2/ja not_active Expired - Fee Related
  • 2012-01-19 BR BR112013018256A patent/BR112013018256A2/pt not_active Application Discontinuation
  • 2012-01-19 WO PCT/IB2012/050261 patent/WO2012101553A1/fr not_active Ceased
  • 2012-01-19 KR KR1020137020405A patent/KR101533448B1/ko not_active Expired - Fee Related
  • 2012-01-19 CN CN201280006740.5A patent/CN103348046B/zh not_active Expired - Fee Related
  • 2012-01-19 EP EP12704912.0A patent/EP2668324B1/fr active Active
  • 2012-01-19 US US13/698,114 patent/US8640503B2/en active Active
  • 2012-01-30 TW TW101102885A patent/TWI530599B/zh not_active IP Right Cessation

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