SU745991A1 - Warp-knitted elastic braid - Google Patents

Description

The invention relates to knitwear production, and more particularly to unit warp knitted products and can be used in the manufacture of linen and sports products.

Known technical solution structure ₅ ry warp elastic tape that is used as proderzhechnoy [1].

It has columns of chains with open loops of inelastic yarn, connected by two systems of weft inelastic yarns, between which longitudinal weft elastic yarns are placed in the form of straight segments, placed in the spaces between the columns of chains.

Such a loop structure of the braid slightly reduces the possibility of the loosening ™ of the braid during its operation in products, since, firstly, the transverse weft threads connecting the columns of the chains cannot prevent the opening of these columns when the thread of the chain is broken and, secondly, 20 the elastic weft yarns are laid in the form of straight segments, therefore they are retained in the loop structure only due to the friction forces and when the braid stretches, the elastic thread can exit the loop structure.

It is desirable to have an elastic braid in which the possibility of its opening when the thread breaks in the chain posts and when the braid is strained is significantly reduced, which makes it possible to use it as a retainer in underwear and sports products.

The aim of the invention is to reduce the flowing ™ braid.

This goal is achieved in that the braid contains columns of chains of elastic yarns and columns of a derivative of trick weave of inelastic yarns, connecting with their broaches the columns of two groups of chains, while the open loops of chains of inelastic yarn, loops of the derivative tricky weave and loops of chains of elastic yarn are connected together, and broaches of chain loops made of elastic thread wrap around broaches of chain loops made of inelastic thread.

Drawn loops of a derivative of tricot weaving, connecting the columns of chains, are located between the cores of the loops of chains of inelastic yarns

The loops of the derivative trick weave are made closed.

Loops of chains made of elastic thread closed.

The introduction into the structure of the braid derivative serge weave allows to reduce sharply its ⁵ raspuskaemost at breakage 'thread' chains since derivative serge weave an additional frame. ',

The presence of loops of chains of elastic filaments and their entwining with broaches of loops of chains of inelastic filaments prevents the elastic filament from exiting the loop structure during tensile deformations.

In order for the loop stakes of the chains to be the restraining frame of the structure <5 braids, broaches of the derivatives of the tricky weave connecting the strings of the chains are located between the cores of the stitches of the chains of inelastic yarns and their broaches.

The execution of the loops of the derivative of the tricky weave and the chains of elastic thread closed helps to impart unintelligible properties to the braid structure. In FIG. 1 shows a structural diagram of a warp knitted elastic braid; in FIG. 2 - 25 graphical and analytical records of the operation of comb machines.

One example of a specific embodiment of a warp knitted elastic braid is a loop structure, the structure of which is shown in FIG. 1. The braid has ³⁰ looped posts of chains 1 with open loops of an inelastic thread, looped columns of a derivative of a trick weave (felt) 2 with closed loops of an inelastic thread, transverse weft inelastic threads 3 and looped posts of a chain 4 of elastic thread. Open loops of chains 1 are connected together with closed loops of cloth 2 and closed loops of chains 4 of elastic thread. 1 wales chains inter-connected by a transverse row ⁴⁰ weft yarns 3 and drawing canvas 2 which are arranged between the cores of the chains of loops 1 and broaching. The broaches of the looped posts of chains 4 of elastic thread entwine the broaches of the loops of chains 1 of inelastic thread.

In FIG. 2 is a graphical and analytical record of the operation of combs to obtain a warp knitted elastic braid, 50 a structure diagram of which is shown in FIG. 1. The numbering of combs begins with the first of them located behind the back of the needles. Comb I carries out the laying of transverse weft elastic threads with the following order and size of shifts for one rapport: 3–3; 0-0. Comb II carries out the laying of chains of elastic thread with the following order and size of the shifts, for one rapport: 1 - 1, 0-0, 1 - 1, 0-1. Comb III carries out masonry weaving of inelastic yarns with the following order and size of shifts for. one rapport: 1-0; 2-3. Comb IV carries out laying of chains of inelastic yarns with the following order and size of shifts for one rapport: 0-1; 1-0.

The introduction of a tricot derivative and chains of elastic threads into the loop structure of the warp knitted elastic braid, without complicating the manufacture of the braid, allows to reduce its loosening in comparison with the known warp knitted elastic braids used as stitches in underwear and sports products.

Claims (4)

(54) BASIC-KNOTTED ELASTIC STRUCTURE The invention relates to knitwear, and more specifically to a piece basis for knitted products and can be used in the manufacture of underwear and sportswear. A technical solution is known for the structure of the basics of an elastic elastic band used as a prod. 1. It has chains of chains with open loops of an inelastic yarn, connected by two systems of weft non-elastic yarns, between which are laid in the form of straight lengths longitudinal elastic yarns placed between between the columns of chains. Such a looped loop structure slightly reduces the possibility of bandage loosening during its operation in products, since, firstly, the transverse weft threads connecting the columns of chains cannot prevent the opening of these columns when the thread is broken and, secondly, The longitudinal elastic weft yarns are laid in the form of straight lengths, therefore they are retained in the loop structure only due to the forces of friction, and during deformation of the stretch of the tape the elastic thread can leave the loop structure. It is desirable to have an elastic band, in which the possibility of its dissolving when the thread is broken in the columns of the chains and when the strains are stretched would be significantly reduced, which makes it possible to use it as a prodorzhechnoy in underwear and sports products. The aim of the invention is to reduce band flaking ability. The goal is achieved by the fact that the braid contains columns of chains of elastic threads and columns of a tricornous derivative made of inelastic threads, connecting the columns of two groups of chains, with open loops of chains of inelastic yarn, loop of tricornous derivative and strings of elastic chains. the threads are knitted together, and the stitches of the loops of the chains of elastic yarn are wound around the stitches of the loops of the chains of the inelastic thread. The stitches of the stitch of the tricycle derivative, connecting the columns of the chains, are located between the cores of the stitches of the strings of inelastic thread and their spacing. The loops of the tricot derivative are closed. Loops of chains made of elastic thread are closed. The introduction of a tricot derivative into the braid structure makes it possible to drastically reduce its dissolvability when the thread is broken by chains, since the derived tricot weave is an additional framework. The hinge of the loops of the chains of elastic yarn and their wrapping with the loops of the loops of the chains of inelastic yarns prevents the elastic yarn from leaving the looped structure during stretching deformations. So that the looped columns of the chains are the restraining skeleton of the structure of the braid, the stitches of the derivative of the tricone interlacing connecting the columns of the chains, spread out between the skeletons of the starch and the chains of the non-elastic thread and their broaches. Performing the loops of the tricot derivative and the chains of closed yarn of the elastic yarn contributes to giving scarce properties to the structure of the webbing. FIG. 1 shows the basic structure of a zannaya elastic band; in fig. 2 - graphic and analytical recording of the work of the maschine combs. One example of a specific implementation of the fundamentals of a zannied elastic band in the Aethel core is a structure whose structure is shown in FIG. 1. The braid has looped columns of chains 1 with open loops of inelastic yarn, looped columns of the tricycle weave derivative (cloth) 2 with closed loops. Of inelastic yarn, transverse weft nonelastic yarns 3 and looped columns of chains of 4 elastic yarn. The open loops of the chains 1 are connected together with the closed loops of cloth 2 and the closed loops of the chains 4 of elastic thread. The looped columns of chains 1 are interconnected by transverse weft yarns 3 and felt woven cloth 2, which are located between the cores of the loops of the chains 1 and their stretches. The stitches of the looped columns of the chains 4 made of an elastic thread wrap around the stitches of the loops of the chains 1 of an inelastic thread. FIG. Figure 2 shows the graphic and analytical recordings of the operation of the dies to obtain the basics of a knit elastic band, the structure of which is shown in FIG. 1. Numbering of combs begins with the first of them, located behind the back of the needles. Comb I performs the laying of transverse weft elastic threads with the following order and size of shifts for one rapport: 3-3; O-0. Comb II carries out the laying of chains of elastic thread with the following order and size of shifts, for one rapport: 1 - 1, O-O, 1 - 1, 0-1. Comb III carries out the weaving of cloth from inelastic threads with the following order and size of shifts for. one rapport: 1-0; 2-3. Comb IV clutches chains of inelastic threads with the following order and shift size for one rapport: O-1; 1-0. Introduction to the looped structure of the basics of a knitted elastic band of a derivative of tricone interlacing of chains of elastic yarns, without complicating the manufacture of the band, reduces its dissolvability in comparison with the known basics of these elastic bands used as prodorzhechnyh in underwear and sports products. Claim 1. Bases of elastic band, containing columns of chains of inelastic thread with open loops, connected by a system of transverse weft inelastic threads, characterized in that it contains columns of chains with loops of elastic thread and columns a tricone weave derivative of an inelastic yarn, connecting with its ends the looped bars of two groups of chains, while the open loops of the chains of the nonelastic yarn, the loop of the tricone weave derivative and the loops of the elastic yarn chains are knitted together, and the stitches of the loops of the elastic yarn chains twist around the loops of the loops of the chains of the non-elastic yarn. 2. The braid according to claim 1, characterized in that the stitches of the hinges of the tricornous derivative, connecting the columns of the chains, are located between the cores of the stitches of the strings of the elastic thread and their stitches. 3. A band according to claim I, characterized in that the loops of the tricot derivative are closed. 4. A band according to claim 1, characterized in that the loops of the chains of the elastic thread are made closed. Sources of information taken into account in the examination 1. French patent number 1482166, cl. D 04 b, 1967. F Sh 0-1