JP2791938B2 - Method for joining two ends of a knitted tubular article after completion of the article - 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

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for joining two ends of a tubular article after the knitting of the article is completed, that is, a method for joining (locking) a stocking toe.

[0002]

2. Description of the Related Art Italian application no. From the document FI93A128, a method of joining the two ends of a knitted tubular article, for example a sock, starting from an elastic helicopter and manufacturing the article on a circular knitting machine until finishing the side of the open toe. And the following additional steps are known: a stitch to be formed at the end of the first semi-rank is placed on the knitting needle of a second semi-rank stitch;
Arranged by 180 ° inversion about the diametrical axis of the needle cylinder (a-a), stitching pairs of first and second partial course is made to be the holding position on the needle of the second partial course; -With the sinker open, lower the needle of the second semi-rank to move the stitches of the first and second semi-rank to a level below the position of the sinker;-With the sinker closed, the second semi-rank The corresponding pair of stitches of the first and second semi-ranks are held in place by the sinker with respect to the associated needle stem;-with the sinker open, The second semi-rank needle is further raised until the corresponding pair of stitches has reached the operating position of the first semi-rank transfer means so that the stitch is captured by the transfer means. Lowering the second semi-rank needle to release the article from the knitting needle and release from the first and second semi-rank stitches captured by the transport means; article having stitches thus removed Are arranged at a predetermined distance from the knitting cylinder;-the stitches thus transferred are arranged so as to be angularly equidistant with a circular pitch preset according to the required coupling accuracy; The corresponding pairs of stitches thus arranged are joined to form a chain, and upon completion of the joining operation, one or more knots are made to close the chain;-cut the binding yarn; The first and second semi-ranked pairs of stitches, which are coupled to the first and second semi-ranked pairs, are released and the article is removed with its final front side out.

[0003] stitching, or <br/> and needle beard is attached to the latch needle technique (needleb eard hoo
and k), when in the height between the free end of the latch in a fully open position, the stitching may be useful to point out <br/> that is in the holding position.

[0004] The above-mentioned operating method means that the above-mentioned connecting operation is performed with the socks under the front side.
This is because the bonding takes place outside the article toe,
Requires special care and accuracy when performing the join . In addition, the ends of the binding yarn must be inserted into the article after the knot for closing the chain has been made, so that the ends are not visible on the finished product.

[0005]

SUMMARY OF THE INVENTION The main object of the present invention is to:
To overcome the above drawbacks, knitted tubular article, especially to provide an operation method for easier close the toe of socks type of goods, while high-quality finished products obtained
Is to do so.

[0006]

According to the present invention SUMMARY OF], the circular knitting machine, starting from the elasticity of the helicopter, by finishing the side left open toe, the initial step of producing the socks type of knit tubular article only contains, and by adopting the method comprising the following additional operating steps, the upper
The task described was achieved: a ') removing the plate from the knitting head of the machine; b') raising the knitting needle with the sinker closed, thereby stitching the last knitted rank. That is, the stitching of the toe under the sock, the needle (2)
Receive the stitch (4) of the rank to knit last
And it will be held by the sinker located in areas such as retrieval by the; with c ') a state in which the sinker is open, further increasing the needle, placing the stitches of the last rank above the tip of the sinker D ') remove each stitch one by one from the associated needle and retain the stitch ; e') lower the needle to remove the sock toe from the knitting head of the machine; f ') The sock with the final rank stitch thus held is transported a predetermined distance away from the knitting head of the machine; g ') With the sock turned upside down,
As is position a suitable distance elastic edge from the toe; the h ') stitches of the first partial course, about the diametrical axis around which is limited by the rank is knit to the end of the stitch by rotating 180 ° Transfer onto the corresponding stitch of the second semi-rank, thereby
Each stitch of the first semi-rank is adjacent and coaxial with the corresponding stitch of the second semi-rank:
The term "semi-rank" means a plurality of stitches adjacent to and belonging to one end of the toe of the article; i ') forming the stitches so connected of the first and second semi-ranks at an angle distance with, arranged along the periphery of the arc: wherein circular pitch around the arc-is chosen according to the desired coupling accuracy; j ') combines the stitch of the thus arranged pair and join operation When finished, make one or more knots to close them; k ') sever the binding yarn; l') the article with the toes so joined, with the front side out, That is , return to the final state and lower.

[0007]

The advantages provided by the present invention are essentially the following: the socks can be placed upside down and the toes automatically joined without interrupting the production by the knitting machine. and, thereby, performs a binding <br/> coupling operation of the toe in the article, after and cut the binding thread can be removed the process of its ends; give perform the binding with reasonable accuracy,
Thereby, a finished product of optimal quality can be obtained.

The above and other advantages and features of the present invention will be best understood by those skilled in the art by reading the following description, taken in conjunction with the accompanying drawings, as a practical example of the invention. Would. However, the drawings have no limiting meaning.

[0009]

Reduced to the basic structure of the embodiment of the present invention, with reference to the accompanying drawings, how to combine the toe of socks according to the present invention, the circular knitting machine 1, remains open, starting from edge 50 of the elastic Includes the initial step of making a knitted tubular article such as socks 5 by finishing on the side of the toe 51, and includes the following additional operating steps: a) removing the plate 10 from the knitting head of the machine 1 removing (Figure 2); at b) a state in which the sinker 3 is closed, to raise the knitting needles 2, thereby, of the last knitted rank stitching 4, i.e. the stitches of the front end portion of the toe of the socks 5, The rank that each needle 2 knits last (final run)
C) can receive and retrieve stitches
Will be held by the sinker in the position as (FIGS. 3 and 4); in c) a state in which the sinker is opened, to further increase the needle 2, on the stitch 4 of the tip portion 30 of the sinker 3 placed (Fig. 5); d) extracting city from the needle 2 one by one relevant to the stitch 4,
And hold them (Fig. 6-8); e) by lowering the needle 2, to release the toe 51 of the sock 5 from the knitting head of the machine 1 (FIG. 9); of f) one Masaki 51, The sock 5 with the stitches 4 thus held is transported a predetermined distance from the knitting head of the machine 1 (FIG. 10); g) The sock 5 is turned over and the sock In the state
Its upward to position than the elastic lip 50 toe 51 (FIGS. 11 and 12); h) the stitches 4 of the first partial course x, around the end diameter axis around which is limited by the rank being knit stitch the by rotating 180 °, the transfer result on the corresponding stitches 4 of the second partial course y, first
Each stitch 4 partial course x is close to the corresponding stitch 4 of the second partial course y, and a coaxial (Fig. 1
3); i) selecting the stitches 4 connected in this way of the first and second semi-ranks x, y according to the desired coupling accuracy;
With a constant angular distance that is disposed along the periphery of the arc; j) combining the stitch 4 arranged pair in this way, and the coupling operation is completed, one to close them or more Knotting (FIG. 14); k) cutting the binding thread (or the binding thread); e) returning the sock 5 to which the toe 51 is bound in this way to a state in which the front side is outside, that is, the final state; According to the invention, all the stitches 4 of the last rank are removed from the knitting head of the machine 1 and a corresponding shift for the next reversal of the stitches 4 of the first semi-rank x according to the invention.
After arranging the stitches 4 on the transport means 6, it is advantageous to transfer the stitches 4 of the first semi-rank x onto the corresponding stitches 4 of the second semi-rank y.

Further, prior to the above-described joining operation, the stitch 4
Is transported before the coupling spin 7. First
If the number of the stitches 4 of the semi-rank x is different from the number of the stitches 4 of the second semi-rank y, it is advantageous to also join the stitches which have been excluded from the above connection .

In accordance with the present invention, FIGS.
With reference to the figures, the turning over of the sock 5 and the subsequent opening of the front side are carried out in such a way that it is coaxial with the sock 5 and makes a preset reciprocating movement in the direction of its longitudinal axis (aa). Operating by means of a pneumatic evaporator hose 8, the hose is introduced on the side of the toe 51 in the sock 5 to join , ie lock, the ends of the resilient helicopter 50, and The socks 5 having the elastic helicopters 50 locked in this way are everted.

[0012] The hose 8, and a toe 51 two installment <br/> socks 5, has become so that to suck the socks 5 was completed, thereby the socks 5 of the final state, the front side ,
Take it out and lower it at the same time (see FIG. 15).

In practice, the details of all constructions can be changed in an equivalent way, as far as the shape, dimensions, arrangement of the components and the nature of the materials used are concerned, without departing from the scope of the solution adopted. Within the scope of protection granted to this patent for an industrial invention.

[Brief description of the drawings]

FIG. 1 is a schematic illustration of a circular knitting machine performing the method according to the invention when a sock is formed.

FIG. 2 shows the machine of FIG. 1 with the plate raised when the socks are completed.

FIG. 3 shows the knitting cylinder needle and the last knitting rank (final run ) with each sinker closed.
The stitch corresponding to ( h) is shown in detail.

FIG. 4 shows the needle in the area for receiving the final rank stitch
The relevant sinker is closed,
FIG. 4 shows the needle of FIG. 3 as raised.

FIG. 5 shows the needle of FIG. 4 as it is raised further with the associated sinker open and each stitch placed above the tip of the sinker.

FIG. 6 shows the needle and stitch of FIG. 5 when pre-positioned to remove a stitch.

FIG. 7 shows the needle of FIG. 6 at the point when the needle has been lifted so that each stitch can be removed.

8 shows a needle of Figure 7 when the drop in order to leave the respective stitch.

FIG. 9 shows the needle of FIG. 8 in a fully lowered position, with the corresponding stitch completely removed from the knitting member.

[Figure 10] away from the knitting machine in the outermost end point,
Fig. 2 is a schematic view of the socks below with the toes not yet joined.

FIG. 11 shows the socks of FIG. 10 when pre-arranged for turning over.

FIG. 12 shows the sock of FIG. 11 in an inverted state.

FIG. 13 shows the sock of FIG. 12 in the step of inverting the stitches of the first semi-rank toe.

FIG. 14 shows the sock of FIG. 13 when the toes are joined.

Figure 15 shows the socks of one Masaki is coupled when the front side is lowered in and the state turned to the outside.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Circular knitting machine 2 Knitting needle 3 Sinker 4 Stitch 5 Socks 8 Everter hose 10 Plate 51 Toe under socks x 1st semi-rank y 2nd semi-rank

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) D05B 1/00-83/00

Claims (5)

(57) [Claims] 1. A method of joining the toes of a knitted tubular article, in particular closing a socked toe, starting from a resilient helicopter (50) by a circular knitting machine (1) and keeping the toes open (51). Ku one <br/> under by ending in the side of (5) comprises an initial step of making a knitted tubular article, such as a, and the method includes an additional operational steps of: a) a said machine (1) removing the plate (10) from the knitting head; b) sinkers (3) is in the closed state, by raising the knitting needles (2), the last knitted Rated stitch (4), i.e. socks ( 5) Place a stitch at the tip of the toe at the end above where needles (2) have been removed.
Can accept and carry stitches of rank
Is held by the sinker in so that location; c) further raising the needle (2) in a state in which the sinker is opened, the tip portion of the stitch (4) of the sinker (3) (3
Is position above the 0); d) the stitch (4) one by one relevant needle (2)
Extraction City, and holds the stitch; e) by lowering the needle (2), to release the toe (51) of the socks (5) from the knitting head of the machine (1); f) one Masaki ( 51) the socks (5) with the stitches (4) thus held are attached to the nitty of the machine (1).
Only transport a predetermined distance from Nguheddo; g) Turn the socks (5), in a state in which the sock is contrary outside, is positioned above side than the toe (51) and the resilient lip (50); h) the Corresponding stitches of the second semi-rank (y) by rotating the one semi-rank (x) stitch (4) 180 ° about the peripheral diametric axis defined by the rank knitted at the end of the stitch (4)
Transferred to the top, so that each stitch of the first partial course (x) (4), and you coaxially brought close to the corresponding stitch of the second partial course (y) (4); i) the first and The stitches (4) thus connected of the second semi-rank (x, y) are converted according to the desired coupling accuracy.
With a certain angle distance selected Te, arranged along the periphery of the arc; j) thus combines the arranged pairs of stitches (4) and one for closing the their these or Knot sever the knot; l ) return the sock (5) with the toe (51) thus bound to its out-side, or final, state and lower it. 2. The first semi-rank (x) stitch (4).
After placing all the stitches (4) of the last semi-rank on the corresponding transport means (6), onto the corresponding stitches (4) of the second semi-rank (y), Method according to claim 1, wherein the means (6) are provided for removing the stitches from the knitting head of the machine (1) and subsequently for everting the stitches (4) of the first semi-rank (x). 3. A stitch (4) prior to the joining operation described above.
2. The method according to claim 1, wherein the first step is transferred to the coupling spin (7). 4. The first semi-rank (x) stitch (4).
Is different from the number of stitches (4) of the second semi-rank (y), the stitches left out of the above connection
The same binding method of claim 1, wherein. 5. The operation of turning over the sock (5) and subsequently bringing the front side out, the reciprocating movement being coaxial with the sock (5) and preset in the direction of its longitudinal axis (aa). and operated by driven pneumatically EVA terpolymer hose (8) such that, in order to bind <br/> the ends of the elastic edge (50), toe in socks (5) the hose (5
2. The method according to claim 1, wherein the socks are inserted into the side of 1) and the hose is removed, so that the socks (5) with the elastic helicopters (50) thus locked are valgus.