SK88594A3 - Method of connection of two edges of knitted product - Google Patents

Abstract

Method for carrying out the restitching of the tip of a manufactured tubular knitted product, particularly the closing of the toe of a sock, comprising the initial phase of producing a sock (5) finishing on the side of the toe (51) remaining open, said method comprising the following operating phases: - moving away the plate (10); - raising the knitting needles (2), with the sinkers (3) closed; raising the said knitting needles (2) once again, with the sinkers (3) open, until the stitches (4) are arranged above the nose (30) of the sinkers (3); - picking up the said stiches (4) and retaining them; - lowering the needles (2); - transferring the sock (5) out of the textile head of the machine (1) at a predetermined distance from the latter; - overturning the sock (5); - transferring the stitches (4) of a first half-row (x) onto the corresponding stitches (4) of the second half-row (y); arranging the stitches (4) of the said first and second half-rows (x,y) along a circumferential arc, at a constant angular distance, with a predetermined pitch in relation to the selected restitching fineness; - restitching the pairs of stitches (4) thus arranged and making one or more closing knots; - executing the cutting of the restitching thread; - returning the sock (5), with the toe (51) thus restitched, into the straight position and discharging it. <IMAGE>

Description

Technical field i

The invention relates to a method of joining two edges of a knitted tubular article e.g. chaining, i. after the product has been entangled, its tip is joined by pressurization.

The prior art

From IT document no. FI93A128 is a known method of joining two edges of a knitted tubular article e.g. a sock comprising the initial step of making a product by a circular machine starting from the elastic bead and ending on the side of the toe that is left open, the method of the present invention including the further steps of: needles of the second stitch of the stitches by rotating 180 ° about the axis of the diameter of the needle cylinder so that the pairs of stitches of the first and second stitches are in the retained position on the needles of the second stitch; - lowering the needles of the second polis with the sinkers open, thereby moving the stitches of the first and second poles to a level below the sinker level; raising the needles of the second half with the sinkers closed, thereby retaining the corresponding pairs of stitches of the first and second half with the sinkers at a given position relative to the shafts of the respective needles; - further raising the needles of the second half with the sinkers open until all the corresponding pairs of stitches have reached the working level of the transfer device of the first half, thereby retention of the stitches by said device; lowering the needles of the second half-shelf, thereby releasing the article from the knitting needles, and the loops of the first and second half-shells are caught by said transfer device; placing the article with the loops so removed at a given distance from the knitting roller; positioning the transferred eyelets such that they are angularly equidistant, with the circular pitch being preset according to the desired degree of chaining fineness; - chaining the corresponding pairs of stitches so distributed and after completion of the chaining process, one or more knots are made to close the chain; cutting the chain thread; releasing the thus joined pairs of stitches of the first and second poles, thereby allowing the article to be removed in its final state with the face side out.

It should be emphasized that the loop should be retained when it is attached to the reed needle and be level between the needle hook and the free end of the reed, with the reed fully open.

Said working method requires said chain method to be carried out by a sock with the face facing outwards. This requires extra care and precision when chaining, as the chaining is performed on the outside of the product tip. In addition, after the chain closure knots have been made, the finite length chain thread must be introduced into the article, preventing it from being seen in the finished article.

SUMMARY OF THE INVENTION

The main object of the present invention is to overcome the above drawbacks and to provide a method that simplifies the joining of the toe of a knitted tubular product, especially of the sock type, which method allows to obtain a finished product with good quality.

According to the present invention, the result has been achieved by adopting a method comprising the initial step of manufacturing a knitted tubular sock-like product by a circular machine beginning with an elastic bead and ending on that side of the toe left open, the method comprising the further steps of:

- separating the board from the knitting head of the machine;

lifting the knitting needles with the sinkers closed so as to loop the last knit row, i. the eyelets of the sock have been retained by said sinkers at a position corresponding to the removal area of the needles;

further lifting said needles with the sinkers open so that the loops of the last row are located above the sinker nose;

- removing the individual eyelets from the respective needles and retaining them;

- lowering the knitting needles so that the knitting head of the machine is cleaned from the toe of the sock;

moving the sock with the retained loops of the last row out of the knitting head of the machine to a given distance from the knitting head;

- inverting the sock so that it is in an inverted state and the elastic bead is at a suitable distance from the toe;

- transferring the stitches of the first polis to the corresponding stitches of the second polis by inverting them 180 ° around the circumference diameter axis defined by the last braided row of stitches so that all stitches of the first polis are adjacent and coaxial to the corresponding stitches of the second polis: adjacent loops belonging to one edge of the product tip;

placing the stitches of the first and second poles so connected along a circumferential arc at constant angular distances, the size of which is chosen according to the desired chaining fineness;

- chaining the pairs of stitches thus positioned and, after the chaining process has been completed, making one or more chain-closing knots;

- cutting the chain thread;

- inverting the article with the tip thus chained face-up, i. to the final state and removal of the product.

In particular, the advantages of the present invention reside in the fact that it is possible to automatically produce said chaining without interrupting the operation of the knitting machine and with the sock in an inverted state (back side out) so that chaining operations can be performed inside the product. the length after cutting; that said linking can be carried out with any suitable degree of fineness so as to obtain an end product with optimum quality.

Overview of the figures in the drawing

These and other advantages and characteristics of the present invention will be best understood by each of those skilled in the art from the following description, taken in conjunction with the accompanying drawings, given as a practical example of the present invention, but are not limiting examples, wherein:

Fig. 1 schematically illustrates a circular machine for performing the method of the invention after making a sock;

Fig. 2 shows the machine of Fig. 1 after the sock has been completed with the board raised;

Fig. 3 shows in detail the needle of the knitting cylinder and the corresponding loop of the last knit row, with the respective sinker closed;

Fig. 4 shows the needle of Fig. 3 with its lifting with the respective eyelet of the corresponding area from where it has been removed, with the respective sinker closed;

Fig. 5 shows the needle of Fig. 4 after it has been lifted to a greater extent with the respective sinker open and the respective eyelet positioned above the sinker nose;

Fig. 6 shows the needle and the loop of FIG. 5 after they are positioned to remove the loop;

Fig. 7 shows the needle of Fig. 6 at the end of their stroke where removal of the respective stitch is allowed;

Fig. 8 shows the needle of Fig. 7 after it has been dropped to leave the respective stitch;

Figure 9 shows the needle of Figure 8 in the fully lowered position, with the respective loop being completely cleaned of the knitting parts;

Fig. 10 schematically illustrates a sock with a hitherto unlinked toe at the end of its movement from the knitting machine;

Fig. 11 shows the sock of Fig. 10 after its preparation to turn its inner side out;

Fig. 12 shows the sock of Fig. 11 in a state where its inner side faces outwards;

Fig. 13 shows the sock of Fig. 12 after the inverting step of the first toe poles;

Fig. 14 shows the sock of Fig. 13 after chaining its toe;

Fig. 15 shows a sock with a chained toe after it has been turned face side out and removed with face side out.

EXAMPLES OF THE INVENTION

While limiting to its essential nature and referring to the accompanying drawings, the method of chaining a sock toe according to the present invention comprises the initial step of making a knitted tubular article, such as e.g. the sock 5, beginning with the elastic bead 50 and ending on that side of the toe 51 which is left open, using a circular machine 1, comprising the following working steps:

moving the plate 10 away from the knitting head of the machine 1 (FIG. 2);

lifting the knitting needles 2 with the sinkers 3 closed so that the loops 4 of the last knit row, i. the stitches at the end of the toe 5 have been retained by said sinkers at a position corresponding to the area from which the respective needles 2 are removed (Figs. 3 and 4);

further lifting of said needles 2 with the sinkers open, l

thereby moving the stitches 4 over the noses 30 of the sinkers 3 (FIG. 5);

removing said individual eyelets 4 from the respective needles 2 and retaining said eyelets (Figs. 6 and 8);

lowering the needles 2, thereby releasing the toe 51 of the sock 5 from the knitting head of the machine 1. (Fig. 9);

moving the sock 5 with the eyelets 4 so retained 4 of the knitting head of the machine 1 to a given distance from that head (Fig. 10);

turning the sock 5 inwardly outward, with the elastic flange 50 then above the toe 51 (Figs. 11 and 12);

- transferring the stitches 4 of the first semen x to the corresponding stitches 4 of the second semen y by inverting them 180 ° around the circumference axis of the last knit row of stitches so that all stitches 4 of the first semen x are adjacent to the corresponding stitches 4 of the second semen y and coaxial (fig. 13);

placing the stitches of said first and second poles (x, y) so connected along a circumferential arc at constant angular distances, the size of which is chosen according to the desired fineness of the stringing;

- chaining the pairs of stitches 4 thus positioned and, after the chaining is completed, one or more knots closing the chain (FIG. 14);

- cutting the chain thread;

placing the sock 5 with the chained toe 51 back in a state where the face side faces outward, i. to the final state and removal of the sock (fig.15).

According to the present invention, it is advantageous to transfer the stitches 4 of the first half-order x to the corresponding stitches 4 of the second half-order χ after placing all said stitches 4 of the last series on the respective device 6 which transmits them from the knitting head of the machine 1. .

In addition, the eyelets 4 may preferably be transferred to the front of the necking backs 7 before said chaining. If the number of eyelets 4 of the first half x is different from the number of eyelets 4 of the second half y, the eyelets 4 that will be excluded from said joining will preferably chained.

According to the present invention and with reference to Figures 10 to 15 of the accompanying drawings, turning the inner side outward and then turning the sock 5 by means of a pneumatic sock 5 and this longitudinal axis (aa) allowed insertion of the hose into the sock 5 on its tip side. preferably the inverted side, which is a predetermined movement vi, is preferably performed so as to be coaxial with the direction to be chained, i.e. engaging the edge of the elastic bead 50 and then turning the sock 5 with the elastic bead 50 so retained.

The same hose 8 should control the suction of the finished sock 5 by acting on its toe 51 so as to allow simultaneous turning of the sock.

sock 5 face up and the sock 5 is removed in its final state (see FIG. 15).

All design details may practically differ in shape, dimensions, location of parts and nature of the materials used without deviating from the nature of the solution adopted, while still remaining within the protection afforded by this industrial invention. .

Claims (5)

Patent claims A method of controlling the chaining of the toe of a knitted tubular article, in particular closing the toe of the sock, comprising the initial step of making the sock (5) beginning with the elastic bead (50) and ending on that side of the toe (51) left open. of a circular machine (1), the method comprising the further steps of: - separating the plate (10) from the knitting head of the machine (1); - raising the knitting needles (2) with the sinkers closed (3) so that the eyelets of the end portion of the tip are in the position of the respective needles (2); a further lifting (4) of the last sock which knit (5) was corresponding to said needles of the series, i. eyelets (4) retained by said removal regions (2) with the sinkers open so that the eyelets (4) are positioned above the sinker nose (3); removing the individual eyelets (4) from the respective needles (2) and retaining them; lowering the needles (2) so that the toe (51) of the sock (5) is released from the knitting head of the machine (1); - transferring the sock (5) with the retained eyelets (4) of the toe (51) from the knitting head of the machine (1) to a given distance from the knitting head; turning the sock (5) inwardly outwardly so as to be the backside out, with the elastic flange (51) above the toe (51); - transferring the stitches (4) of the first semen (x) to the corresponding stitches (4) of the second semen (s) by inverting them 180 ° around an axis of circumference diameter defined by the last knit row of stitches so that all stitches (4) of the first semen (x) were beside the corresponding stitches (4) of the second half-order (s) and i were coaxial with these eyes; positioning said stitches of said first pol (x) and said second pol (y) along a circumferential arc at constant angular distances, the distance of which is selected according to the desired chaining fineness; linking the pairs of stitches (4) so positioned, and after completing the chaining process, making one or more nodes closing the chain; - cutting the chain thread; turning the sock (5) with such a chained toe back face out, i. to the final state and removal of the sock (5). Method according to claim 1, characterized in that it also comprises transferring the stitches (4) of the first polish (x) to the corresponding stitches (4) of the second polish (s) after placing all said stitches (4) of the last polish on the respective device (6). ) removing them from the knitting head of the machine (1) and subsequently inverting the loops (4) of the first half (x). Method according to claim 1, characterized in that the eyelets (4) can be transferred to the front of the chaining backs (7) before said chaining. Method according to claim 1, characterized in that, when the number of stitches (4) of the first half-shelf (x) differs from the number of stitches (4) of the second half-shelf (s), the stitches (4) are excluded from said joining; they are also chained. Method according to claim 1, characterized in that the turning inside with the outside and the subsequent turning of the sock (5) with the face side out is controlled by a pneumatic turning hose (8) coaxial with the sock (5) and these turns being preset reciprocating in the direction of the longitudinal axis (aa), thereby allowing the hose to be inserted into the sock (5) on the side of its toe chaining (51), i.e. engaging the edge of the elastic bead (50) and then turning the sock (5) with the elastic bead (50) so retained.