JP5307001B2 - Plating knitted tubular knitted fabric, its knitting method, and design device - Google Patents

Abstract

The present invention provides a plating-knitted tubular fabric, a method for knitting the fabric, and a design apparatus which are able to solve the color blurring caused by the cross of yarns when a tubular shaped fabric is plating-knitted by a flatbed knitting machine. As shown in Step 1, in a knitting course right before reversal of the knitting direction which knits a fabric up to the end portion of the knitting width in which cross occurs between the front yarn and the back yarn, stitches are formed except the final stitch on the knitting needle "A". As shown in Step 2, in a knitting course right after reversing the knitting direction, a twisted loop is formed on a knitting needle "A", and stitches are formed on knitting needles "b", "d", "f', ..., "t" of a needle bed B. The cross between the front yarn and the back yarn occurs at a portion in which the knitting yarn is crossed-over from the twisted loop on the knitting needle "A" to the stitch of knitting needle "b" and no cross is formed on the stitch "b". Therefore, the phenomenon in which the back yarn comes to the surface side causing color blurs can be made less noticeable. In such event, it is desirable to carry out racking in which needle bed B is displaced to the right by 2 pitches with respect to a needle bed F.

Description

  The present invention relates to a plating knitted tubular knitted fabric that uses a front yarn and a back yarn as a knitting yarn when knitting a tubular knitted fabric with a flat knitting machine, a knitting method thereof, and a design apparatus.

  Conventionally, a flat knitting machine in which at least a pair of front and back needle beds are arranged so that the tip portions thereof face each other with a tooth gap therebetween can form a tubular knitted fabric by plating knitting ( For example, see Patent Document 1.) In the plating knitting, the front yarn and the back yarn are fed with a height difference when the knitting needle that performs the knitting operation on the hook is bitten. When different colors are used for the front yarn and the back yarn, the color of the knitted fabric can be different between the outer side and the inner side knitted as the tubular knitted fabric. Such a knitted fabric can be used as a reversible knitted fabric that can be worn with the front and back reversed. Further, even when the two knitted plating knitted fabrics of the front and back sides are worn so that only one side is the surface, a color effect different from that of the knitted fabric knitted with a single knitting yarn can be obtained.

  Patent Document 1 discloses a configuration of a device that feeds a front yarn and a back yarn from one yarn carrier having two upper and lower yarn feeders. The two upper and lower yarn feeders are displaced so that the yarn feeder for the front yarn precedes and the yarn feeder for the back yarn follows the movement direction of the yarn carrier. In order to knit the knitted fabric into a tubular shape, the knitting direction at the other needle bed is reversed with respect to the left and right knitting directions at the one needle bed, and the yarn carrier is moved back and forth. The position of the yarn feeder is also changed according to the knitting direction.

  It is also possible to feed the front yarn and the back yarn for plating knitting from two yarn feeders each having one yarn feeder, and knit the knitted fabric into a tubular shape by plating knitting ( For example, see Patent Document 2.) The following problems are pointed out in the [0004] paragraph in the background art section of Patent Document 2.

  When plating a tubular knitted fabric, it is always necessary to feed the front yarn before the back yarn. In flat knitting machines, the knitting direction is reversed at the end of the knitting width, so the position of the yarn feed port for the front yarn and the back yarn is switched at the end of at least one of the knitting widths, and the cross between the front yarn and the back yarn Occurs. Due to the intersection, the next stitch is formed while the vertical relationship between the front yarn and the back yarn is momentarily reversed. If the vertical relationship between the front yarn and the back yarn is reversed, a color that does not appear originally appears on the front surface, which causes bleeding (mixing of colors) at the edge of the knitted fabric, reducing the value of the product. End up.

  Patent Document 2 discloses a knitting method that makes blurring inconspicuous at the knitting width end where crossing occurs in knitting of a wide rib structure by plating using a flat knitting machine. The wide rib structure is formed by alternately repeating a plurality of front sections and a plurality of back sections of the rib structure formed by the front and back stitches. At the end of the knitting width on the side where crossing of the knitting yarns used for plating occurs, one knitted fabric has the rib texture front and the other knitted fabric has the rib texture back as the end. After forming the rib structure face on one knitted fabric, the knitting direction is reversed and the back side of the rib structure of the other knitted fabric is knitted so that crossing of the knitting yarn occurs at the transition portion of the wide rib structure. And bleeding of the knitting yarn can be made inconspicuous.

The paragraph [0003] of Patent Document 2 describes the tubular knitted fabric as follows: “In this specification, the term“ cylindrical knitted fabric ”refers to a complete tubular knitted fabric in which the front and rear knitted fabrics are not interrupted in the middle of the knitting width. In addition, it includes a C-shaped knitted fabric that is interrupted in the middle like a cardigan. " Similarly, in the present specification, the tubular knitted fabric includes a C-shaped knitted fabric.
Japanese Patent No. 3899269 JP-A-2005-213706

  When the front yarn and the back yarn are supplied from the two yarn feeders as in Patent Document 2, the two yarn feeders reciprocate left and right at positions shifted in the front-rear direction of the needle bed. The occurrence of crossing between the front yarn and the back yarn is inevitable. For example, when the front yarn is supplied from the front yarn feeder and the back yarn is supplied from the rear yarn feeder, crossing occurs at the end of the side where the knitting at the front needle bed shifts to the knitting at the rear needle bed To do. That is, the front yarn and the back yarn intersect at the end portion on the side where the front and back of the needle bed on the side where the knitted fabric is knitted and the front and back of the yarn feeder used for supplying the front yarn coincide with each other. The knitting method of Patent Document 2 cannot be applied to the case where the bleeding at the end of the knitted fabric side is inconspicuous when plating knitting a tubular knitted fabric other than the wide rib structure.

  Even when the yarn feeding device as in Patent Document 1 is used, when the yarn feeding direction is reversed at the end of the knitting width, it is necessary to exchange the arrangement of the two yarn feeders. Replacement of the yarn feeder is performed by rotating a member provided with two yarn feeders by 180 °. If the two ends of the knitting end are rotated in the same direction, the front yarn and the back yarn are entangled with each other. Therefore, it is necessary to reverse the rotation direction at both ends of the knitting width. For this reason, at one end of the knitting width, the front yarn and the back yarn are crossed to cause bleeding.

  An object of the present invention is a plating knitted tubular knitted fabric capable of solving color bleeding due to crossing of knitting yarns when a tubular knitted fabric is plated with a flat knitting machine, a knitting method thereof, and a design. Is to provide a device.

The present invention is a plating knitted tubular knitted fabric that is knitted into a tubular shape while reciprocating and supplying a front yarn and a back yarn for plating knitting in the left-right direction of the needle beds facing front and rear,
The knitted fabric knitted on at least one of the front and back needle beds has a twisted stitch connected to the sinker loops on both sides after the knitting yarn from the needle loop intersects at one end of each knitting course,
It has a crossing part of a front yarn and a back yarn between the stitch of the one end side connected to the twisted stitch on the knitted fabric side knitted on the needle bed facing the one side, and the twisted stitch. It is a plating knitted tubular knitted fabric.

  Further, in the present invention, the intersection of the front yarn and the back yarn is located within a range that is connected to the sinker loop of one end side knitting from the needle loop to the opposite needle bed at the twisted stitch. To do.

Furthermore, the present invention uses a flat knitting machine comprising at least a pair of needle beds facing front and rear across the mouth,
A method of knitting a tubular knitted fabric while supplying a front yarn and a back yarn as knitting yarns from different yarn feeders so that the front yarn precedes and the back yarn follows and performs plating knitting, respectively.
In the knitting course on the one knitting direction side that knitting up to the end of the knitting width where the front and back yarns intersect, the knitting course on the knitting direction side should be formed except the final stitch, and the final stitch should be formed The yarn feeder is moved so that the knitting yarn passes through the position of the knitting needle and goes out of the knitting width without letting the knitting needle eat the knitting yarn,
In the knitting course on the other side in which the knitting direction is reversed, immediately after the reversal, the knitting needle is knitted and driven together with the knitting needle to be knitted on the needle bed opposite to the needle bed on which the knitting needle forms the final stitch, A knitting method for a plating knitted tubular knitted fabric, wherein stitches are formed on each knitting needle.

In the present invention, as the flat knitting machine, a machine capable of racking that shifts at least one of the front and back needle beds to the left and right with respect to the other is used.
In the knitting course on the other side, the knitting needle is shifted to the left and right by racking between the needle bed to which the knitting needle to be formed of the final stitch of the one knitting course belongs and the needle bed facing the needle bed. The knitting method for a plating knitted tubular knitted fabric according to claim 3, wherein a distance between the knitting needles forming the stitches at the opposing needle beds is widened.
As the flat knitting machine, using one that can be racked to shift at least one of the front and back needle beds to the left and right with respect to the other,
In the knitting course immediately after the knitting direction is reversed, racking is performed between the needle bed to which the knitting needle to form the final stitch of the knitting course immediately before the knitting course is reversed and the needle bed facing the needle bed. The distance between the knitting needles and the knitting needles forming the stitches at the opposing needle beds is increased by shifting left and right.

Furthermore, the present invention is directed to a flat knitting machine including at least a pair of needle beds facing front and rear across the mouth.
Generation of knitting control data for knitting in a cylindrical shape while feeding the front and back yarns as knitting yarns from different yarn feeders so that the front yarn is preceded and the back yarn is followed by plating knitting A design device,
In the knitting course on the one knitting direction side that knitting up to the end of the knitting width where the front and back yarns intersect, the knitting course on the knitting direction side should be formed except the final stitch, and the final stitch should be formed The yarn feeder is moved so that the knitting yarn passes through the position of the knitting needle and goes out of the knitting width without letting the knitting needle eat the knitting yarn,
In the knitting course on the other side in which the knitting direction is reversed, immediately after the reversal, the knitting needle is knitted and driven together with the knitting needle to be knitted on the needle bed opposite to the needle bed on which the knitting needle forms the final stitch, To form stitches on each knitting needle,
A design device that generates knitting control data.

  According to the present invention, the knitted fabric knitted on at least one of the front and back needle beds of the plating knitted tubular knitted fabric has a knitting yarn intersecting one end of each knitting course from the needle loop to the sinker loops on both sides. Has a series of twisted eyes. Since there is an intersection between the front thread and the back thread between the twist and the needle bed opposite to the needle bed for knitting the twist, the back thread appears on the front at the intersection. Thus, even if color blur occurs, it can be made inconspicuous, color blur due to crossing of knitting yarns can be solved, and the commercial value of the knitted fabric can be increased.

  Further, according to the present invention, the crossing portion between the front yarn and the back yarn is a twisted stitch and is located within a range that is connected to the sinker loop of the one-side stitch knitted on the opposite needle bed from the needle loop. Can be difficult to see from both the front and back of the knitted fabric.

  Furthermore, according to the present invention, in order to plate-knit a tubular knitted fabric with the needle beds before and after the flat knitting machine, the knitting direction is reversed at the knitting end and reciprocating knitting is performed. When reversing the knitting direction, the positional relationship between the front yarn and the back yarn to be fed by shifting the position is also reversed, so that the front yarn intersects with the back yarn at one end of the knitting width. Is inevitable. In the knitting course in which the knitting direction is one side of knitting up to the end of the knitting width where the front yarn and the back yarn intersect, the final stitch should be formed except the final stitch The yarn feeder is moved so that the knitting yarn passes through the position of the knitting needle and goes out of the knitting width without letting the knitting needle eat the knitting yarn. In the knitting course on the other side where the knitting direction is reversed, the knitting needle that should form the final stitch in the knitting course in which the knitting direction is on the one side together with the knitting needle that should be knitted on the needle bed that faces the needle bed to which the knitting needle belongs. Knitting is driven to form stitches on each knitting needle. The final stitch in the knitting course in which the knitting direction is one side is a twisted stitch. The intersection of the front yarn and the back yarn occurs between the twisted stitch and the stitch knitted on the opposing needle bed. Since the knitting yarn during this period is unlikely to appear on the surface of the knitted fabric, even when the front and back yarns intersect when the tubular knitted fabric is plated with the needle beds before and after the flat knitting machine, , The phenomenon that the back thread appears on the front and the color blurs can be made difficult to appear. Since color bleeding due to the intersection of knitting yarns is solved, the commercial value of the tubular knitted fabric to be knitted can be increased.

  Further, according to the present invention, in the knitting course on the other side in which the knitting direction is reversed, between the needle bed to which the knitting needle to form the final stitch of the knitting course on one side belongs and the needle bed facing the needle bed. Is shifted to the left and right by racking, and the interval between the stitches connected to the twisted stitches is increased at the needle bed facing the twisted stitches. The intersection between the front yarn and the back yarn may occur in a relatively short section, but may occur in an unstable state while being parallel over a relatively long section. By widening the interval, even an unstable crossing where the front yarn and the back yarn are parallel can be generated between the twisted stitch and the next stitch.

  Further, according to the present invention, the knitting control data for plating the tubular knitted fabric with the flat knitting machine, the knitting direction is one side of the knitting course, the final stitch becomes a twisted stitch, the front yarn and the back yarn, Is generated so as to occur between the twisted stitch and the stitch knitted on the opposite needle bed. Since the knitting yarn during this period is unlikely to appear on the surface of the knitted fabric, even when the front and back yarns intersect when the tubular knitted fabric is plated with the needle beds before and after the flat knitting machine, , The phenomenon that the back thread appears on the front and the color blurs can be made difficult to appear. Since color bleeding due to the intersection of knitting yarns is solved, the commercial value of the tubular knitted fabric to be knitted can be increased.

FIG. 1 is a diagram showing a schematic knitting procedure for plating knitting a tubular knitted fabric with a flat knitting machine having needle beds before and after as one embodiment of the present invention. FIG. 2 is a diagram showing a range in which crossing between the front yarn and the back yarn is caused in the knitting in step 2 of FIG. 3 is a simplified plan view of the mouth 10 showing a state immediately after the knitting of the left row in 1 of FIG. 1 is completed, that is, a state immediately before starting the knitting of the right row in 2 of FIG. is there. FIG. 4 is a simplified plan view of the tooth mouth 10 showing a state immediately after starting the knitting performed in the right direction in Step 2 of FIG. 1. FIG. 5 shows a state in which the yarn feeders 11 and 12 are moved to the right as compared with FIG. 4, the F-side knitting needle A draws the front yarn 1 and the back yarn 2 to some extent, and the B knitting needle b also starts to draw. It is the top view which simplified the mouth opening 10 which shows. FIG. 6 is a simplified plan view of the tooth opening 10 showing a state in which the knitting of the right row shown in Step 2 of FIG. 1 has been completed. FIG. 7 is a diagram showing a stitch structure of a tubular knitted fabric formed including the knitting of FIGS. 3 to 6. FIG. 8 is a diagram showing a knitting procedure when a tubular knitted fabric is knitted into a C-shape as another embodiment of the present invention. FIG. 9 is a diagram showing an example of a tubular knitted fabric 20 formed by both the C-shaped knitting as shown in FIG. 8 and the circular knitting as shown in FIG. FIG. 10 is a diagram illustrating an example of a tubular knitted fabric 30 knitted for comparison with FIG. 9. FIG. 11 is a block diagram showing a schematic configuration of a design device 40 that generates knitting control data for making it difficult to see color bleeding based on the intersection of the front yarn and the back yarn in the plating knitting of the tubular knitted fabric. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Front thread 2 Back thread 5 Twist 5a Needle loop 5b Sinker loop 6 Crossing part 10 Tooth mouth 11,12 Yarn feeder 20 Cylindrical knitted fabric 21 C knitting part 22 Circular knitting part

  FIG. 1 shows a schematic knitting procedure of plating knitting a tubular knitted fabric with a flat knitting machine having needle beds before and after as an embodiment of the present invention. The front and back needle beds of the flat knitting machine are represented by F for the front needle bed and B for the rear needle bed. A large number of knitting needles are arranged at a constant pitch on each needle bed. Both needle beds face each other across the mouth. As for the knitting needle of each needle bed, the hook at the tip advances and retracts to the mouth. A plurality of yarn feeders are arranged above the mouth. A plurality of yarn path rails are also disposed above the tooth opening. The yarn feeder is supported on one of the yarn path rails so as to be reciprocally movable left and right.

  For convenience of explanation, the knitting needles including the range used for knitting among the front and back needle beds F and B are indicated by upper case letters A to T on the front needle bed F and lower case letters a to t on the rear needle bed B, respectively. In each knitting needle, a circle indicates that the stitch is locked. A filled circle indicates that a new stitch has been formed. “S” on the left indicates a standard state. The arrow on the right side indicates the knitting direction.

  In the standard state indicated by S in FIG. 1, every other knitting needle A, C, E,..., S on the F side is basically assigned to the front knitted fabric. Needle removal knitting is performed in which every other knitting needle b, d, f,..., T on the B side is basically assigned to the rear knitted fabric. The F side empty needles B, D, F,..., T are positions facing the B side knitting needles b, d, f,..., T, and the stitches are transferred from the B side or the back stitches are knitted. It is used for such purposes. The same applies to the empty needles a, c, e,. Note that the number of knitting needles used for knitting is also convenient, and more knitting needles are usually used in an actual knitted fabric. In addition, when using a four-bed flat knitting machine with two upper and lower needle beds on the front and back, there is no empty needle between the knitting needles on the lower and lower needle beds used mainly for knitting. Total needle knitting can be performed.

  Numbers 1 and 2 shown on the left side of FIG. 1 indicate steps of a knitting procedure for reducing the influence of color bleeding caused by the intersection of the front yarn and the back yarn at the knitting end on the left side of the needle bed. It is assumed that the yarn feeder used for supplying the front yarn is supported by the yarn path rail so that the yarn feeder used for supplying the back yarn reciprocally moves back and forth in the left and right directions. When the knitting direction is reversed from knitting on the front needle bed to knitting on the rear needle bed, crossing of the front yarn and the back yarn occurs. When the tubular knitted fabric is plated with circular knitting which is knitted in the left direction on the F side and in the right direction on the B side, the color resulting from the intersection of the front yarn and the back yarn can be obtained by repeating Step 1 and Step 2. The blur can be made inconspicuous.

  As shown in Step 1, in the knitting course on one side in the knitting direction, for example, to the left, where the front yarn and the back yarn are crossed, the final stitch at the knitting needle A is knitted. The stitches are formed on the knitting needles S, Q, O,..., C of the F except that the knitting yarn A is not eaten on the knitting needle A that should form the final stitch. The yarn feeder that feeds the front yarn and the back yarn is moved so that the knitting yarn passes the position of the knitting needle A and goes out of the knitting width.

  As shown in Step 2, in the knitting course on the other side where the knitting direction is reversed to the right, the knitting needle A should be knitted on the B side facing the F side where the knitting needle A forms the final stitch. , D, f,..., T are knitted and driven to form stitches on the respective knitting needles A, b, d, f,. The stitches formed on the F-side knitting needle A are twisted differently from the stitches formed on the other F-side knitting needles S, Q, O,. Since the cross between the front yarn and the back yarn occurs at the portion where the knitting yarn continues from the twisted stitch of the F-side knitting needle A to the stitch of the knitting needle b on one end side of the B-side, and does not occur at the stitch b. The phenomenon in which the yarn appears on the surface and the color blurs can be made inconspicuous.

  At this time, it is preferable to perform racking by shifting the B side to the right by 2 pitches with respect to the F side. By racking, the distance between the F-side knitting needle A and the B-side knitting needle b increases. The intersection between the front yarn and the back yarn may occur in a relatively short section, but may occur in an unstable state while being parallel over a relatively long section. By widening the interval by racking, in the knitting course in the right direction, an intersection occurs until the knitting needle is pulled in the order of the knitting needle A to the knitting needle b, and the front and back of the knitting needle b can be pulled in a normal state. .

  FIG. 2 shows a range in which the front yarn and the back yarn are crossed in the knitting in step 2 of FIG. When knitting a tubular knitted fabric by plating knitting by supplying the front yarn 1 and the back yarn 2, the F-side knitting needles E and C have the front side stitch 3, and the B-side knitting needles b and d have the rear side. The side stitches 4 are respectively formed, and the twisted stitch 5 is formed on the final knitting needle A on the F side. As a result, the intersecting portion 6 between the front yarn 1 and the back yarn 2 can be generated in a range shown in black as a portion extending from the twisted stitch 5 to the rear stitch 4 of the B-side knitting needle b.

  3, FIG. 4, FIG. 5 and FIG. 6 schematically show the process in which the intersection of the front yarn 1 and the back yarn 2 occurs at the intersection 6 in FIG. The advance and retreat of the knitting needle 13 to the tooth opening 10 is driven by, for example, a cam mounted on a carriage that reciprocates left and right along the needle bed, but the illustration of the carriage is omitted. The movement of the yarn feeders 11 and 12 is also carried by the carriage.

  FIG. 3 shows a state immediately after the left row knitting in step 1 of FIG. 1, that is, a state immediately before starting the right row knitting in step 2 of FIG. 1. The front and back needle beds F and B face each other with the tooth opening 10 in between. The front yarn 1 and the back yarn 2 are fed from yarn feeders 11 and 12 that move to the right and left of the mouth 10 respectively. The yarn feeder 11 that feeds the front yarn 1 is arranged on the front side of the yarn feeder 12 that feeds the back yarn 2. The knitting needles C and E on the F side advance into the mouth 10 and draw the front yarn 1 and the back yarn 2 with a hook, and a needle loop with the knitting needle 13 and a sinker loop with the sinker 14 form a stitch loop. Since the knitting needle A on the F side does not advance into the mouth, the front yarn 1 and the back yarn 2 pass through the position of the knitting needle A from the hook of the knitting needle C forming the final stitch and out of the left knitting width. It will be in the state extended to the yarn feeders 11 and 12 which come out and wait.

  FIG. 4 shows a state immediately after starting knitting in the right direction in step 2 of FIG. Since the yarn feeder 11 for feeding the front yarn 1 precedes the yarn feeder 12 for feeding the back yarn 2, even if the yarn feeder 11 is located on the left side of the yarn feeder 12 in FIG. Then it precedes to the right. Since the last knitting needle A on the F side advances to the mouth 10 before the yarn feeders 11 and 12 pass to the right, the front yarn 1 and the back yarn 2 extending leftward as shown in FIG. Pass over. Since the yarn feeders 11 and 12 pass above the knitting needle A that has advanced to the mouth 10 and move to the right, the front yarn 1 and the back yarn 2 rotate around the left side of the needle stem of the knitting needle A and move downward. It will be folded up from the top.

  In FIG. 5, the yarn feeders 11 and 12 move to the right as compared with FIG. 4, the F-side knitting needle A draws the front yarn 1 and the back yarn 2 to some extent, and the B-side knitting needle b also starts to draw. Indicates the state. Thus, in order to draw the front yarn 1 and the back yarn 2 in the order of the F side knitting needle A to the B knitting needle b, an intersection 6 is formed between the front yarn 1 and the back yarn 2, and the B side knitting needle When drawing in b, the front and back of the front yarn 1 and the back yarn 2 can be drawn in a normal state. The intersection 6 between the front yarn 1 and the back yarn 2 occurs in a relatively short section depending on the positional relationship of the yarn feeders 11 and 12, or the front yarn 1 and the back yarn 2 are spread over a relatively long section. It may occur in an unstable state such as parallel. If the distance between the knitting needle A on the F side and the knitting needle b on the B side is widened by racking, the intersecting portion 6 can be reliably generated between the knitting needle A and the knitting needle b.

  FIG. 6 shows a state in which the knitting of the right row shown in Step 2 of FIG. 1 has been completed. Each knitting needle 13 is drawn into each needle bed so that the tip is farther from the tooth opening 10 than the tip of the sinker 14. Retraction of the F-side knitting needle A is preferably performed under the condition that the intersection 6 between the front yarn 1 and the back yarn 2 is formed on the hook side of the knitting needle A with respect to the sinker 14 adjacent to the knitting needle A.

  FIG. 7 shows a stitch structure of a cylindrical knitted fabric formed including the knitting of FIGS. The twisted stitch 5 formed by the F-side knitting needle A is twisted so that a portion continuous from the needle loop 5a to the sinker loop 5b between the adjacent front stitch 3 and rear stitch 4 intersects. As shown in FIG. 6, if the crossing portion 6 between the front yarn 1 and the back yarn 2 can be generated closer to the hook side of the knitting needle 13 than the sinker 14, in the stitch structure, the crossing portion 6 is moved back and forth at the twisted stitch 5. Can be generated at a position between the sinker loop 5b and the needle loop 5a on the boundary 10c side. If crossing occurs at such a position, even if the back yarn 2 appears on the front due to the crossing, it can be made difficult to see.

  FIG. 8 shows a knitting procedure when a tubular knitted fabric is knitted into a C-shape as another embodiment of the present invention. That is, in the tubular knitted fabric, the knitting yarn is arranged on one of the front and back needle beds, for example, on the rear needle bed B, the entire knitting needles b, d, f,. Then, knitting is performed using knitting needles A, C, E, G, and I; K, M, O, Q, and S at both ends excluding the intermediate portion of the knitting width. As shown in Step 1, after the knitting yarn is supplied to the left side which is the inner side of the knitting width at one end side of the front needle bed, for example, the knitting needles K, M, O, Q and S on the right end side, As shown, the feeding direction is reversed and the knitting yarn is fed to the right side, which is outside the knitting width. As shown in Step 3, after the reversal of the supply direction, on the B side, the knitting yarn except the final knitting needle b is moved from the right end side of the knitting width to the left end side of the knitting needles t, r, p,. Supply. As shown in Step 4, after the reversal of the supply direction, the knitting yarn is supplied from the left end side to the knitting needles A, C, E, G, and I of the left end side of the B knitting needle b and F from the left end side to the right. To do. As shown in Step 5, the supply direction is reversed, and the knitting yarn is supplied to the left side which is the outer side of the knitting needles I, G, E and C on the F side except for the final knitting needle A. As shown in step 6, the knitting yarn is supplied from the left end side on the F side to the right side where the right end side knitting needles b, c, f,. As described above, in the present embodiment, the tubular knitted fabric is formed by repeatedly feeding the knitting yarn in a C-shape as a whole.

  When two yarn feeders as disclosed in Patent Document 1 are provided, and yarn feeding is performed using a yarn carrier that can exchange the yarn feeding positions of the two yarn feeders, it is possible to prevent color bleeding by forming twisted eyes. Processing can be done together on the left side. 3 to 6, the front yarn 1 and the back yarn 2 are fed from the two yarn feeders 11 and 12, and the yarn feeder 11 that feeds the front yarn 1 feeds the back yarn 2. When positioned in front of the feeder 12, the knitting needle S at the right end of F is knitted so as to form a twist in step 2 and step 3 instead of step 3 and step 4 in FIG. In this case, racking is not performed in step 4 of FIG. 8, but instead racking is performed by shifting B to the left by 4 pitches from F in step 3.

  As described above, the C-shaped cylindrical knitted fabric shown in FIG. 8 is formed by connecting the knitted fabric that is continuous in one needle bed and cut in the middle in the other needle bed at both ends of the knitting width. . The C-shaped tubular knitted fabric can be knitted by connecting the knitted fabrics continuous on both needle beds only at one end of the knitting width and not connecting at the other end of the knitting width. Even in such a tubular knitted fabric, the problem of color bleeding is the same as in FIG. 8, and the prevention process can be performed in the same manner.

  FIG. 9 and FIG. 10 show a plating knitted tubular knitted fabric knitted using a sewing machine flat knitting machine, SWG-FIRST (product name) manufactured by Shima Seiki Seisakusho, using a knitting needle having an arrangement pitch of 12G. An example is shown.

  FIG. 9 shows an example of the tubular knitted fabric 20 formed by both the C-shaped knitting as shown in FIG. 8 and the circular knitting as shown in FIG. In the C knitting portion 21 that performs C-shaped knitting with the tubular knitted fabric 20, the front knitted fabric 21a is knitted with the front needle bed, and the rear knitted fabric 21b is knitted with the rear needle bed. The front knitted fabric 21a and the rear knitted fabric 21b are connected by a boundary portion 21c corresponding to a tooth opening. The front knitted fabric 21a is knitted so as to be folded at the end 21d without an intermediate portion. In the circular knitting portion 22 for performing circular knitting, the front knitted fabric 22a and the rear knitted fabric 22b are connected by a boundary portion 22c corresponding to a tooth opening. In the boundary portions 21c and 22c, the color blur based on the intersection of the front yarn and the back yarn hardly occurs. Although the tubular knitted fabric 20 includes both the C knitting portion 21 and the circular knitting portion 22, even when only one of them is included, it is difficult to see color bleeding, so that the commercial value can be increased. .

  FIG. 10 shows an example of a tubular knitted fabric 30 knitted for comparison with FIG. The tubular knitted fabric 30 is knitted without forming a twisted eye and preventing color bleeding by racking. In the C knitting portion 31 that performs C-shaped knitting on the tubular knitted fabric 30, the front knitted fabric 31a is knitted with the front needle bed, and the rear knitted fabric 31b is knitted with the rear needle bed. The front knitted fabric 31a and the rear knitted fabric 31b are connected by a boundary portion 31c corresponding to a tooth opening. The front knitted fabric 31a is knitted so as to be folded at the end portion 31d without an intermediate portion. In the circular knitting portion 32 that performs the circular knitting, the front knitted fabric 32a and the rear knitted fabric 32b are connected by a boundary portion 32c corresponding to a tooth opening. In the boundary portions 31c and 32c, color bleeding based on the intersection of the front yarn and the back yarn is generated. Similarly to the C knitting portion 21 in FIG. 9, the C knitting portion 31 is supplied with a front yarn and a back yarn by using a yarn carrier having two yarn feeders and capable of switching the yarn feeding positions of the two yarn feeders. When the yarn is used, it is possible to prevent color bleeding from occurring at the stitches at both ends sandwiching one boundary portion 31c of the knitting width and not from the other knitting width. However, the tubular knitted fabric 30 has a color bleed on one side of the knitting width, and cannot make it difficult to see the color bleed like the boundary portion 21c shown in FIG.

  FIG. 11 shows the knitting control data for making it difficult to see color bleeding based on the intersection of the front yarn and the back yarn in the plating knitting of the tubular knitted fabric as shown in FIG. 1 or FIG. 8 by the flat knitting machine. 1 shows a schematic configuration of a design apparatus 40 to be generated. The design apparatus 40 is realized by installing software for designing a knitted fabric in a general-purpose computer 41. The computer 41 includes an input device 42 such as a keyboard, a digitizer, and a mouse, a display device 43 such as a graphic display, a communication device 44 capable of communicating with the outside via a LAN, and an external recording on which various recording media can be attached and detached. A device 45 or the like is connected.

  Software can be installed on the computer 41 by downloading via the communication device 44 or by mounting a recording medium on the external recording device 45. The operator inputs design data to the input device 42 and designs the tubular knitted fabric 20 shown in FIG. 9 while looking at the design result displayed on the display device 43. The operator designates the C knitting part 21, the circular knitting part 22, and the like. Also, a yarn feeder or yarn carrier for supplying the front yarn and the back yarn is designated. From the yarn feeder arrangement determined according to this designation, the computer 41 can determine the knitting needles forming the twisted stitches, and can generate the knitting control data including the procedure for making the color blur difficult to see. . In addition, composition control data including such a procedure can be prepared as a standard and inserted according to the operator's selection. The generated knitting control data is transmitted to the flat knitting machine via the communication device 44, or recorded on a recording medium such as a disk or a USB memory from the external recording device 45, and then input to the flat knitting machine to form a tubular shape. Knit the knitted fabric 20 or the like.

Claims (5)

A plating knitted tubular knitted fabric that is knitted in a tubular shape while reciprocating and supplying a front yarn and a back yarn for plating knitting in the left-right direction of the needle bed facing front and rear,
The knitted fabric knitted on at least one of the front and back needle beds has a twisted stitch connected to the sinker loops on both sides after the knitting yarn from the needle loop intersects at one end of each knitting course,
It has a crossing part of a front yarn and a back yarn between the stitch of the one end side connected to the twisted stitch on the knitted fabric side knitted on the needle bed facing the one side, and the twisted stitch. Plating knitted tubular fabric.   The intersecting portion between the front yarn and the back yarn is located within a range that is connected to a sinker loop of one end side knitting from the needle loop to the opposing needle bed at the twisted stitch. The described plating knitted tubular knitted fabric. Using a flat knitting machine provided with at least a pair of needle beds facing front and rear across the mouth,
A method of knitting a tubular knitted fabric while supplying a front yarn and a back yarn as knitting yarns from different yarn feeders so that the front yarn precedes and the back yarn follows and performs plating knitting, respectively.
In the knitting course on the one knitting direction side that knitting up to the end of the knitting width where the front and back yarns intersect, the knitting course on the knitting direction side should be formed except the final stitch, and the final stitch should be formed The yarn feeder is moved so that the knitting yarn passes through the position of the knitting needle and goes out of the knitting width without letting the knitting needle eat the knitting yarn,
In the knitting course on the other side in which the knitting direction is reversed, immediately after the reversal, the knitting needle is knitted and driven together with the knitting needle to be knitted on the needle bed opposite to the needle bed on which the knitting needle forms the final stitch, A knitting method for a plating knitted tubular knitted fabric, wherein stitches are formed on each knitting needle. As the flat knitting machine, using one that can be racked to shift at least one of the front and back needle beds to the left and right with respect to the other,
In the knitting course on the other side, the knitting needle is shifted to the left and right by racking between the needle bed to which the knitting needle to be formed of the final stitch of the one knitting course belongs and the needle bed facing the needle bed. The knitting method for a plating knitted tubular knitted fabric according to claim 3, wherein a distance between the knitting needles forming the stitches at the opposing needle beds is widened. For a flat knitting machine provided with at least a pair of needle beds facing front and rear across the mouth,
Generation of knitting control data for knitting in a cylindrical shape while feeding the front and back yarns as knitting yarns from different yarn feeders so that the front yarn is preceded and the back yarn is followed by plating knitting A design device,
In the knitting course on the one knitting direction side that knitting up to the end of the knitting width where the front and back yarns intersect, the knitting course on the knitting direction side should be formed except the final stitch, and the final stitch should be formed The yarn feeder is moved so that the knitting yarn passes through the position of the knitting needle and goes out of the knitting width without letting the knitting needle eat the knitting yarn,
In the knitting course on the other side in which the knitting direction is reversed, immediately after the reversal, the knitting needle is knitted and driven together with the knitting needle to be knitted on the needle bed opposite to the needle bed on which the knitting needle forms the final stitch, To form stitches on each knitting needle,
A design apparatus for generating knitting control data.

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