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Method of production of fabric of check weave. RU patent 2519921.

Method of production of fabric of check weave. RU patent 2519921.
IPC classes for russian patent Method of production of fabric of check weave. RU patent 2519921. (RU 2519921):

D03D23/00 - General weaving methods not special to the production of any particular woven fabric or the use of any particular loom; Weaves not provided for in any other single group
Another patents in same IPC classes:
Method of production of fabrics of comb shadow weaves Method of production of fabrics of comb shadow weaves / 2515863
In the claimed method on the surface of the fabric the visual effect of volume combs is obtained due to formation in the repeat of the weave of transverse and longitudinal light bands by gradual increasing and then decreasing the number of warp (or weft) overlaps without repetition, with uniform or non-uniform repetition of repeats of the basic weave in steps of light transitions. Voluminosity of the combs is produced due to the presence of the reverse light transition on both systems of filaments.
Method of obtaining tissues of longitudinal zigzag shadow weaves Method of obtaining tissues of longitudinal zigzag shadow weaves / 2487203
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Method of obtaining tissue with transverse shadow weave Method of obtaining tissue with transverse shadow weave / 2483148
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Method to produce fabrics of diagonal weaves Method to produce fabrics of diagonal weaves / 2409714
Relief strips of various width are created on surface of fabric, and direction of relief strips along fabric width changes due to change in sign of vertical shift of overlays for the opposite one. Pattern of one of relief strips via several full repetitions of repeats is periodically interrupted after specified number of main threads, and pattern of relief strips is continued from its start to the next such interruption.

FIELD: textiles, paper.

SUBSTANCE: on fabric surface visual effect of several volume bands is made by changing the width of the individual checkers in the rapport of the original check weave on one of the systems of threads. To do this, one of the systems of threads is taken as active, the width of the initial checkers is specified on the threads of both systems and the number of their pairs on the active system of the threads, the basic weave in the checkers, the rapports of weave are counted, the model of the initial check weave is formed, the type of the approximating curve is set for resizing the checkers along the passive system of threads, the imitation of deformation of checker pattern on fabric is performed, new coordinates of change of checker colour are defined, and the model of the resulting pattern is redrawn, the rapport of the deformed check weave is created on the resulting coordinate grid.

EFFECT: increase in the range of fabrics by obtaining on their surface the render effect of one or several longitudinal or transverse volume bands.

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The invention relates to the production of textiles and the manufacture of fabrics and checkers weaves belonging to the class melkosortnyh produced by weaving machines, equipped Dobby samoobrazovaniem mechanism.

A method of obtaining tissue diagonally weaves, creates on the surface of the fabric, direct relief longitudinal stripes of different width, changing its direction width fabric [Patent 2262558 of the Russian Federation, the IPC 7 D03D 23/00. The method of obtaining tissue diagonally weaves / Malecki S.V., Malecki CENTURIES; applicant and patent holder of the State educational institution of higher professional education "Ulyanovsk state technical University", №2004114388/12; Appl. 11.05.2004, publ. 20.10.2005. - 3 C.: 5 Il.]. Various width of longitudinal stripes are due to the repeated change of the sign of the vertical shift of overlappings on the opposite after a specified number of the main thread. As a basic weave use prior diagonalise weave.

Disadvantage of this method is the counterpart is the inability to get on the surface of the fabric visual surround bands.

For the prototype accepted way to obtain tissue checkers weaves, which creates on the surface of the tissue figure in the form of squares, resembling a chess Board, in one box build the front side of any weave (twill, satin), and in another square, adjacent to the first, build the wrong side of this weave [Granovsky FORCE Structure and tissue analysis. - M: Legprombytizdat, 1985, p.60-61]. On the borders of squares - cells against the flooring should be filling, and against the filling - key. Just a rapport weave have four squares. The basic design patterns weaves repeat in squares one or more times.

The disadvantage of the prototype method is the inability to get on the surface of the fabric visual surround bands.

The technical result of the invention consists in expanding the assortment of fabrics by obtaining on their surface visual effect the same or different width volume of the bands.

This technical result is achieved the fact that the method of obtaining tissue checkers weaves, which consists in obtaining of the figure in the form of squares, resembling a chess Board by filling located diagonally squares face-base weave, most often, the main class, the other two, adjacent squares, wrong side of the base weave, according to the invention take one of the systems threads (basis or duck) as active; form in rapport weave one or more volume strips of different width along the active thread systems, which take: width source checkers s W in the threads active systems and the number of pairs of n sect. in

the rapport weave on an active system threads, width checkers h W at the threads in the rapport weave in passive system, the threads of a single system, such as foundations, lighter, thread the other system (duck) - darker base weave in checkers; count repeats the weave:

R and to t . = 2 s W x n W . and to t . ; ( 1 ) R p and with . = 2 h W , ( 2 )

form the original model checkers weave; form the field with mobile markers: specify the number of anchor points, their coordinates, put markers along the line parallel to a passive system of threads; find the coordinates (non threads active systems) change color pieces along the axis parallel to the passive system threads [n]: 1, s W +1, 2s W +1, 3s W +1,

... , R act. ; on the plane of rapport building basic checkers interlacing; fragments weave, relevant dark checkers, replace the core network on negative: define the coordinates of main floors and replace overlap on the filling, define the coordinates filling floors and replace their main; moving the markers along the active system threads, set the type of approximating curve for resizing checkers along the passive system threads, perform the simulation of deformation of checkerboard pattern on the fabric: define the coordinates of the centers of markers, carry out piecewise polynomial approximation curves connecting tokens, count the approximating curve of ordinates for each thread active systems deformed weave, redraw the charts of the calculated curve, determine the average ordinate curve approximation, for each thread active systems deformed checkers weave determine the number of the appropriate thread source checkers weave, define new coordinates (the sequence number of active threads in the system) change color pieces [nn] and repaint the model of the obtained pattern; build on the obtained grid rapport deformed checkers weave.

This technical result - creation of new checkerboard maze to get to the surface of the fabric visual surround bands - is achieved by changing the width of individual pieces in the rapport initial checkers weave on one of the systems threads.

The invention is illustrated by drawings, where

- 1 shows a picture of the original checkers weave and the field with mobile markers (Fig.1-a); source checkers interlacing (figure 1-b) and layout (figure 1-b);

- figure 2 shows the graph of the law resize checkers on the width of the picture and the model of the obtained pattern (Fig.2-a), rapport curved checkers (figure 2-b) and layout checkers weave with visual surround longitudinal stripes (figure 2-b);

- figure 3-an example of building a checkerboard weaves a surround longitudinal stripes, figure 3-b and 3-in presents rapport and layout checkers weave with the visual impact of the three volume longitudinal strips;

- figure 4-example of building a checkerboard weaves a surround transverse stripes, figure 4-b and 4-in presents rapport and layout checkers weave with the visual impact of two large bars.

An example of the practical implementation of the method.

One of the systems threads, such as basis, take as active. Take width checkers s W , such as s W =15 warp threads, and the number of pairs of n sect. in the rapport on the basis of weave, for example n sect. =22; take the height of checkers h W at the rapport on a duck weave, for example h W =40 threads duck. Take the warp threads, for example, white, weft threads - dark basic weave in checkers Atlas 5/3. By the formulas (1) and (2) determine the repeats weave: o R =2·15·22=660 threads; R y =2·40=80 threads. Form the original model checkers weave, for clarity on a duck show a few (in the example six) repeats (Fig.1-a). Form field with the moving markers: specify the number of reference points, for example 20, their coordinates, put markers along duck (Fig.1-a). Define the coordinates on the x-axis (non warp) change color pieces [n]: 1, 16, 31, 46, 61, 76, 91, 106, ..., 631, 646, 660.

Build the source checkers interlacing: fill the entire plane rapport basic interlacing Atlas 5/3, the fragments of weave, the relevant dark checkers, replace satin weave on satin: define the coordinates of main floors and replace overlap on filling; define the coordinates filling floors and replace their main (figure 1-b). Figure 1-presents the layout of the original checkers weave.

Moving the markers vertically defines the appearance of the approximating curve for resizing checkers on the width of the picture. Perform the simulation of deformation of checkerboard pattern on the fabric. To simulate surround longitudinal stripes take parabolic law resize checkers on the width of the picture (Fig.2-a); find the coordinates of the centers of markers, carry out piecewise polynomial approximation of curves connecting the handles. Below is derived equations approximating polynomials for each of the nineteen sections of the curve:

1) y=0,0001·x 3 +0,0313·x 2 -2,755·x+149,6901;

2) y=-0,0001·x 3 +0,0157·x 2 -1,1103·x+85,2273;

3) y=0,0006·x 2 -0,556·x+59,814;

4) y=0,004·x 2 -0,3961·x+42,4587;

5) y=is 0.0002·x 2 -0,2503·x+31,9215;

6) y=0,0008·x 2 -0,2167·x+23,8636;

7) y=0,0018·x 2 -0,1261·x+17,6653;

8) y=0,0012·x 2 -0,0229·x+15,186;

9) y=0,0003·x 2 -0,0064·x+15,186;

10) y=0,0001·x 2 -0,0023·x+15,186;

11) y=0,0001·x 2 -0,0027·x+15,186;

12) y=0,0004·x 2 -0,0084·x+15,186;

13) y=0,0015·x 2 +0,0304·x+15,186;

14) y=0,0004·x 2 +0,0978·x+17,6653;

15) y=0,0015·x 2 +0,1628·x+22,0041;

16) y=0,002·x 2 +0,2808·x+29,4421;

17) y=0,0023·x 2 +0,4308·x+41,8388;

18) y=0,0001·x 3 +0,001·x 2 +0,5462·x+59,1942;

19) y=0,0001·x 3 +0,0157·x 2 +1,1152·x+84,6074.

Expect ordinates approximating curve for each main thread deformed weave and redraw the charts of the calculated curve (Fig.2-a). Determine the average value of y for each main thread deformed checkers weave define the number of the corresponding original thread checker-weave - new coordinates on the x-axis (the sequence number of the main threads) change color pieces [nn]: 1, 5, 10, 15, 20, 25, 32, 38, 46, 54, 63, 72, 83, 94, 108, 123, 140, 160, 184, 214, 251, 290, 328, 367, 405, 443, 474, 501, 522, 540, 555, 569, 580, 591, 600, 609, 617, 624, 631, 637, 642, 648, 652, 657, 660. Redraw the model of the obtained pattern (Fig.2-a). Building on the obtained grid rapport deformed checkers weave (figure 2-b). Figure 2-in a model checkers weave with visual surround longitudinal stripes.

Figure 3-and the second is an example of construction of checkerboard weaves a surround longitudinal stripes. Figure 3-b and 3-in presents rapport and layout checkers weave with the visual impact of a three-volume circumferential bands in rapport.

Both weaves (figure 2-b and 3-b) number ratnapuraya threads is equal to 10, probirka main threads in remise - drawing with repeats of probirki equal to the pattern weaves on the basis of a - 660 threads.

Getting on the fabric of the picture with surround effects transverse stripes on the basis of checkerboard weaves is similar. Figure 4-example of building checkers weave a surround transverse stripes. Figure 4-b and 4-in presents rapport and layout checkers weave with the visual impact of two large transverse stripes in rapport.

The method of obtaining tissue checkers weaves, which consists in obtaining of the figure in the form of squares, resembling a chess Board by filling located diagonally squares face-base weave, most often, the main class, the other two adjacent squares wrong side of the base weave, characterized in that form in rapport weave one or more volume strips of different width, why take any threads, for example a basis as active, take the width of the source checkers s sh in the thread and the number of pairs of n sho in rapport on the basis of weave, the height of checkers h sh in the threads in the rapport on a duck weave, warp lighter, weft threads - darker base weave in checkers, calculate the repeats weave:

R o = 2 s s h x n s h o ; ( 1 ) R y = 2 h s h , ( 2 )

delineate the original checkers weave; for clarity on a duck show a number of repeats; form the field with mobile markers, specify the number of anchor points, their coordinates, ask abscissa for interpolation; put the marker along the line; the coordinates on the x-axis change color pieces are stored in a one-dimensional array [n]: 1, s sh +1, 2s sh +1, 3s sh +1,..., R o ; build basic checkers interlacing; fragments weave, relevant dark checkers, filled filling interlacing, replace the main network on filling; define coordinates of the flooring and replace overlap on the filling, define the coordinates filling floors and replace their main; moving the markers horizontally, defines the appearance of the approximating curve for resizing checkers on the width of the picture; perform the simulation of deformation checkerboard pattern on the fabric; define the coordinates of the centers of markers, carry out piecewise polynomial approximation curves connecting markers; expect ordinates approximating curve for each major strands twisted weave; redraw the charts of the calculated curve; determine the average ordinate curve approximation; for each major strands twisted checkers weave define the number of the corresponding original thread checkers weave; display model of the obtained pattern; define new coordinates on the x-axis (the sequence number of the main threads) change of color checkers and repaint the model of the obtained pattern; build on the obtained grid rapport curved checkers weave.

 

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