EP0786025A1

EP0786025A1 - Method of attaching flat, in particular plate-like, components to a textile web

Info

Publication number: EP0786025A1
Application number: EP95935408A
Authority: EP
Inventors: Claus Michael Dr.-Ing. BÜNGER
Original assignee: August Buenger Bob-Textilwerk KG & Co GmbH
Current assignee: August Buenger Bob-Textilwerk & Cokg GmbH
Priority date: 1994-10-20
Filing date: 1995-09-29
Publication date: 1997-07-30
Anticipated expiration: 2015-09-29
Also published as: DE4437477C1; EP0786025B1; US5771942A; WO1996012837A1

Abstract

The invention concerns a method of attaching small plates (20) to specific sites on a textile web (30). In order to automate this method, in a preliminary stage, the small plates (20) are firstly combined by a flexible carrier (11) to form a linear arrangement of plates (20) on a plate line (10). This plate line (10) is then processed in the manner of a thread component in the textile machine used to produce the textile web (30). In a first process step, the site (25') at which a plate (20) is to be attached is firstly prepared in the textile web (30) but is not finished. The plate line (30) incorporated in this way projects in a floating manner from the textile web (30) but the plate (20) is at first still located at a distance from the thread-combining point (23) of the textile machine. In a second process step, a pull is exerted on the floating carrier part (35) until the plate (20) passes through the thread-combining site (23) and reaches the prepared attachment site (25') in the textile web (30). Finally, in a third process step, the attachment site (25') in the textile web (30) is completed such that the plate (20) is secured to the carrier web. The attachment site (25') in the textile web (30) can be in the form of a pocket.

Description

Method for attaching flat, in particular platelet-shaped components to a textile web

The invention is directed to a method of the type specified in the preamble of claim 1. An important need is to fix platelet-shaped components at certain points on a textile web. These components will be referred to as "platelets" in the following.

So it is z. B. to promote an elegant course of folds of a curtain useful to attach so-called stiffening sticks in the upper or lower edge area of the curtain. It is useful to use straps to be attached to the edge of the curtain, which are provided with pockets. Support tapes of this type are first produced on a weaving machine. Then, regardless of weaving, the stiffening rods are inserted into the pockets. Because automation of this process is difficult, this insertion process takes place manually, which is cumbersome and time-consuming.

Another important application of such methods relates to a security system for goods that are presented for purchase in self-service. For this purpose, labels are generally used which are attached to the goods and to which triggers are attached. If the goods labeled in this way reach the area of detectors which are set up in the exit area of sales locations, an alarm is triggered if the alarm triggers in the labels are not disarmed beforehand. For this purpose, it has already been proposed (DE-GM 93 08 632.6) to design label tapes in two layers so that pockets are produced there. These bags have one side pockets that are open towards the one long edge of the tape and into which the

Alarm triggers need to be laboriously introduced. After they have been woven, the openings of the filled pockets are closed by seams or the like.

The invention has for its object to develop a method of the type mentioned in the preamble of claim 1, which allows a quick, easy to automate manufacture of a textile web to be provided with platelets. This is achieved according to the invention by the measures specified in the characterizing part of claim 1, which have the following special significance.

The process according to the invention initially comprises a preliminary process in which a strand is produced with a linear arrangement of the platelets. This strand will hereinafter be referred to as "platelet strand" for short. This is done by connecting the platelets to one another at a defined, fixed distance from one another with at least one flexible carrier. For this purpose, the platelets, alternating with connecting pieces of the carrier material, can form the platelet strand. In this case it is also possible to produce the entire strand of platelets in one piece. An alternative to this is to start from a prefabricated, continuous belt on which the carriers are fixed in place at a defined distance from one another.

This is followed by a main process, which runs entirely on the machine used to produce the textile web, which will be referred to below as "textile machine" for short. The special feature of the method according to the invention is that this strand of platelets works like a thread element in the textile machine, together with the other thread elements of the textile web. If a loom is used as a textile machine, the usual thread elements, such as warp threads and weft threads, are woven with the strand of platelets, specifically by means of the method steps specified in the characterizing part of claim 1. As a rule, it is sufficient to form the textile web in one layer and to link the platelets to be attached to the thread elements of the textile web via their carrier. A preferred production method is carried out by covering the textile web at least in regions in the form of bags for two days trains as explained in claim 5.

Further advantages and measures of the invention result from the further subclaims, the following description and the drawings. The invention is shown in one embodiment in the drawings. Show it:

1 shows a schematic, perspective illustration of a section of a textile web designed as a label strip with integrated plates designed as alarm triggers therein,

2 schematically, in plan view, a prepared strand of platelets for the textile web used in FIG. 1,

3 to 7, schematically, a plurality of successive method steps for the weaving production of the textile web shown in FIG. 1 with the platelet strand from FIG. 2, and

8, in a schematic representation and enlargement, a partial section through the textile machine along the section line VIII-VIII of FIG. 4.

2 shows an exemplary embodiment of the platelet strand already mentioned

10. In the present case, this consists of a continuous volume

11, to which, at a defined distance 12 from one another, the mentioned plates 20 are fastened. The band 11 is a continuous carrier 11 on which, in a preliminary process, the plates 20 are fastened by gluing, welding, clamping or the like.

An alternative to producing such a strand of platelets 10 would be to use support sections 13 in the spacing area 12 between the two platelets 20, the two ends of which are each attached to successive platelets 20. In this case, one-piece manufacture of the platelets 20 on the one hand and the carrier sections 13 running between them would also be possible. In this case, the platelet strand 10 could be stamped and / or longitudinally profiled as a continuous Produce a running structure with alternating carrier sections 13 on the one hand and plates 20 on the other. This one-piece manufacture offers z. B. then when so-called "stiffening rods" should serve as curtains for curtains, for which plastic is usually used.

The continuous support 11 or the support sections 13 can be designed as a film or as a thread. The carrier 11 is generally in the longitudinal axis of the strand 10, but the plates 20 could also be connected by a plurality of parallel carriers 11. It is favorable for the rotation of the platelets in the textile machine, which will be explained later, to use two carriers 11 arranged at a lateral distance from one another. In any case, it is decisive for the invention to obtain a platelet strand 10 with a linear arrangement of a multiplicity of platelets 20 which are arranged at a defined distance 12 from one another. This strand 10 is now used, like a thread element, in a textile machine which, together with the usual further thread elements, is used to produce a textile web 30. Such a textile web 30 can be single-layer or double-layered in places. As a textile machine comes e.g. B. a loom or a knitting machine.

In the illustrated embodiment, according to FIG. 1, a woven label tape is to serve as the textile web 30. This label tape 30 is produced continuously, alternately, with two-layer web areas 32 on the one hand and single-layer web intermediate pieces 31 on the other hand. In the two-layer web areas 32, the plates 20 'are integrated in the web in a position parallel to the web level and, in this exemplary embodiment, consist of the "alarm triggers" mentioned at the beginning, which are part of a security system for goods. In order to fulfill its function as a label, the label tape 30 is provided with graphic and / or alpha-numeric information 33, which can be woven in or subsequently printed on. As is customary with labels, this information comprises 33 designations for the goods, their use, their cleaning and / or material information on the manufacture of the goods and their place of manufacture. The finished label strip 30 from FIG. 1, which is equipped with the alarm triggers 20 in the manner to be described in more detail below, is cut into individual label sections by cutting guides at the interface 21 shown in dash-dot lines in FIG. 1 34 disassembled, which are then attached to the associated goods that are to be secured against theft. The plates 20 'which act as alarm triggers contain suitable elements, such as electrical coils and electrical capacitors, which interact with detectors tuned to them and trigger an alarm when the goods labeled in this way come into the area of the detectors.

3 to 7 illustrate various process steps for producing such a combination of platelets 20, 20 'on the one hand and textile web 30 on the other on a weaving machine 22. In this case, the platelet strand 10 is inserted into the weaving machine 22 like a warp-like thread element introduced and weaves together with the other thread elements, such as warp threads 14 and weft threads, which are inserted into the fabric by the weft insertion means 15 illustrated in FIGS. 3 to 7. The platelet strand 10 is incorporated like a "warp thread" in the direction of the textile web 30. To control the warp threads 14 are thread control elements, such as the indicated strands 16, which, according to a weaving program, produce a shed 17 into which the weft insertion means 1 5 move. The decisive link between the thread elements involved from the weft, chain 14 and platelet strand

10 takes place at the weaving point of the machine 22 marked with 23. There the transverse weft threads of the entry means 15 are struck by a Webriet 24. In the present case, a self-contained weave 24 is used, but instead an open weave comb or the like could also be used for the stop of the weft threads entered at the weaving point 23.

1 shows a first working phase in the manufacture of the textile web 30. The aforementioned two-layer web region 32 has just been produced at the weaving station 23, namely as a pocket 25 open towards the weaving station 23. The carrier 11 of the platelet strand 10 runs freely inside the pocket 25 between the two pocket layers 18, 19. The carrier

11 protrudes from the pocket opening 26. In this working phase, the plate 20 of the plate strand 10, seen in the feed direction 27 of the woven textile web 30, is still in front of the working area of the weave 24, which is shown in its rearmost reversed position. The pocket 25 has been created with a sufficient pocket length so that later, as will be explained with reference to FIG. 6, the plate 20 can be accommodated inside. In order to be able to produce the two pocket layers 18, 19, in the region of the two-layer web region 32, a double-fold formation can be seen in FIG. 3, where the warp threads 14 are not only in an upper compartment and in a lower compartment, but what is not shown in more detail , also lie in a middle compartment, in which, in the illustration there, the platelet strand 10 with its carrier 1 1 is located. For reasons of clarity, this is not shown in FIG. 3. According to the double compartment formed in this way, as shown in FIG. 3, two weft insertion means 15 can be inserted simultaneously, one of which forms the upper textile layer 18 and the other the lower textile layer 19 of the pocket 25.

In the single-layer web piece 31 in front of the pocket 25, the platelet strand 10 can be incorporated into the fabric with its carrier 11. At least in the pocket area, however, there is a floating part 28 of the carrier 11 that can already be seen in FIG. 3. This floating support section 28 is preferably provided in the transition between the single-layer and two-layer web region 31, 32. The float 28 can also extend at its exit point on the one pocket 25 to the preceding pocket.

A traction means 29 is assigned to this floating carrier part 28, which is effectively set in coordination with the other working means of the textile machine 22. When the still open pocket 25 is fully woven, the traction means 29 which z. B. can consist of the hook shown in FIGS. 3 and 4, on the floating section 28 and pulls it into a kind of loop 35. While one end of this loop 35 is fixed in the single-layer track section 31 or on the preceding pocket, the other loop end, which continues into the pocket 25, can be pulled through. If the pulling means 29 is moved in the direction of the pulling movement arrow 36 from FIG. 4, the carrier 11 is increasingly drawn into the pocket and moves the plate 20 in the direction of the pushing arrow 37 shown in FIG. 4 in the direction of the pocket opening 26 .

4 shows the position of the plane of the textile web 30 through the broken line 38 in FIG. 4. This is also from the enlarged sectional view 8, which shows, in schematic enlargement, a section of the web reed 24 with a plurality of reed bars 39. After pulling 36 of the loop 35, the plate 20, according to FIGS. 4 and 8, is located in the area of the weave 24. At the latest there, but expediently already in the area of the thread control means 16, the plate 20 extends, as can be seen from it In Fig. 8 dash-dotted lines illustrated plane 40 substantially vertical to the plane 38 of the textile web. The plate 20 is therefore "upright" and fits easily between the warp threads, the strands of the thread control means and the reed rods 39 shown in FIG. 8. For this vertical guide of the plates 20, guide means can be provided. Surfaces, guide rails or the like are suitable for this.

As long as the pulling means 29 is pulled according to the direction of the arrow 36, there is no further working movement of the weave 24. This can be achieved by a weaving break of the textile machine 22 or else the pulling movement 36 in the sense of FIGS. 4, 5 and 6 is carried out so quickly that the Webriet 24 moved little during this time. In the latter case, an interruption in weaving is unnecessary. In the next work phase according to FIG. 5, the loop 35 has already been pulled so large by the traction means 29 that the plate 20 is located in the area of the weft insertion means 15.

The decisive factor, according to FIG. 5, is that, as the insertion movement 37 continues to be carried out, the plate is transferred from the vertical position 20 according to FIGS. 4 and 8 into an essentially horizontal position 20 'according to FIG. 5 in the direction of the arrow 41. This is also shown in dash-dot lines in FIG. 8, where this rotation that takes place beyond the reed bars 39 is also indicated. Guide means can be used for this rotation 41. This function could also be performed using the weft insertion means 15. While this plate is in its horizontal position 20 ', the next plate located at an axial distance therefrom, as can be seen in FIG. 5, is still in the vertical position 20. The carrier 11 is sufficiently flexible and enables a torsion corresponding to the arrow 41 in FIG carrier section 13 lying therebetween. The length of the carrier section 13 can be dimensioned such that the following plate, which is in its vertical position 20, already exists located in the area of the thread control means 16 and / or the working movement of the weave 24.

6 shows the end position of the pulling movement 36 from the pulling means 29. The pushing-in movement 37 of the horizontal plate 20 'has ended because it strikes the bottom wall of the pocket 25. The loop 35 has reached its maximum loop length. The plate 20 'is located inside the pocket, between the two pocket layers 18, 19.

Now, starting from FIG. 6, the further weaving process begins. The two pocket layers 18, 19 are closed, as can be seen in FIG. 7, and the formation of a single-layer web piece begins again, which produces a pocket closure 42 which can be seen in FIG. The previous pocket opening 26, which can still be seen in FIG. 6, is closed. The plate 20 'positioned parallel to the textile web plane 38 is enclosed on all sides by the two textile layers 18, 19. The open pocket 25 of FIG. 6 becomes a self-contained capsule 25 'with a plate 20' integrated therein.

When the working phase of the textile machine 22 according to FIG. 7 is reached, the loop 35 generated has fulfilled its function. The carrier 11 for the plates 20 and 20 'can be severed in the foot region of the loop 35. This is carried out when the loop interferes with the good appearance of the end product. The separating cut 43 is indicated by dash-dotted lines in FIG. 7. The cut loop 35 can be removed. Instead of being cut, the loop 35 can also be removed in other suitable ways, e.g. B. by melting, dissolving. The loops 35 are expediently still cut off on the textile machine 22, but could, if necessary, also be carried out subsequently, outside the textile machine. For the execution of the separating section 43, conventional knife devices of looms can be used, such as those used for. B. serve to produce a velor fabric.

As already mentioned, instead of pockets, single-layer web sections can also serve as defined arrangement points in a textile web 30. The plates are then fixed in their horizontal position 20 'by the supports 11 located on them, which in the single-layer fabric, be woven on both sides of the plate 20 '.

The textile web 30 need not be produced in the form of a band fabric according to FIG. 1, but could also be produced as a wide fabric web which is only subsequently cut into band form. This slitting of the wide fabric is expediently still carried out on the textile machine 22. Such a fabric web, which is to be manufactured as wide fabric, therefore has several, adjacent side attachment locations for the plates 20 ', e.g. B. in the form of the mentioned bags 25. They are made simultaneously, side by side in the textile machine. A strand of platelets 10 is processed at each of these locations. After the aforementioned weaving method according to FIG. 7 has been carried out, a wide fabric with platelets 20 ′ lying next to one another several times is then obtained. Then, in a method step following FIG. 7, this wide fabric web, as has already been said above, is cut lengthwise between two adjacent pockets 25, so that a family of web strips is produced. This slitting can be done by knives, heated blades or wires or by ultrasonic tools. The result is, in the case of pockets as attachment locations for the platelets 20 ', the label tape shown, for example, in FIG. 1. Then, as explained on the label strip 30 in FIG. 1, these web strips only need to be divided into the individual sections 34 by transverse cuts 21.

Reference symbol list:

Ribbon strand, first thread element from 22 bands, carrier spacing between 20 carrier sections between 20 warp threads, second thread element weft insertion means for third thread element strand, thread control means shed from 14 upper textile layers from 25 or 32 lower textile layers from 25 or 32 plates (in vertical position) 'Alarm trigger' horizontal position of 20 interface in 30 (Fig. 1) textile machine, weaving machine weaving station of 22, thread linking point Webriet of 22 pocket in 30 'closed pocket, capsule, location for 20' pocket opening of 25 feed direction of 30, web longitudinal floating part of 11 Traction means for 35 textile webs, woven label tape, one-ply web intermediate piece, two-ply web area of 30, alpha-numerical information in 30 sections of 30, single label loop of 11 (FIGS. 4 to 6), tension movement arrow of 29, insertion arrow of 20 or 20 ' Rietstab textile web level of 24 platelet level of 20 rotary arrow of 20 in 20 '(Fig. 5 or 8) pocket closure at 25' cut line for 35 (Fig. 7)

EL 26

Claims

P a t e n t a n s saying:

Method for attaching flat, in particular plate-shaped components (plates 20'), such as stiffening rods for curtains, alarm triggers for product labels or the like, at defined locations (attachment locations 25, 25') of a textile web (30), such as a woven or knitted curtain strap, a label tape or the like,

this means that there is a sign,

that in a preliminary process the platelets (20) are connected to one another and at a fixed distance (12) from one another with at least one flexible carrier (11) and form a strand with a linear arrangement of the platelets (20) (platelet strand 10),

and that in a main process, the strand of platelets (10) is used in the machine for producing the textile web (textile machine 22), such as a weaving or knitting machine, as a thread element running in the longitudinal direction (27) and at a thread connection point (23), such as a weaving or knitting point, the textile machine (22) is gradually incorporated into the textile web (30) together with the other thread elements (14),

wherein continuously, in a first step (Fig. 3), the attachment location (25) for a plate (20) in the textile web (30) is prepared but not yet completed, and at the same time the plate strand (10) with its flexible carrier ( 11) is incorporated into the textile web (30) in such a way that a section (28) of the carrier (11) emerges from the textile web (30) floating freely and the plate (20) is still at a distance in front of the thread connection point (23). Textile machine (22) lies,

then, in a second step (Fig. 5 and 6), the floating carrier section (28) is pulled (29, 36) until the plate (20 ') passes through the thread connection point (23) of the textile machine (22) reaches its prepared attachment location (25) in the textile web and rests there,

and finally, in a third step (Fig. 7), the prepared attachment location (25) in the textile web (30) is completed (25') in such a way that the plate (20') is connected by further linking the thread elements (42). , if necessary including the support of the plate strand (10), is fixed at the finished attachment location (25 ').

Method according to claim 1, characterized in that in the preliminary process the support for the strand of plates (10) is first produced as a continuous belt (11) and then, at a defined distance (12) from one another, the plates (20) are placed This band (11) can be attached (Fig. 2).

Method according to claim 1 or 2, characterized in that when the floating carrier section (28) is pulled (36, 29), the carrier (11) is pulled from the platelet strand (20) to form a loop (35), (Fig.

5, 6).

Method according to claim 3, characterized in that, after completion (42) of the attachment point (25') in the textile web (30), the loop (35) is removed (43) from the textile web (Fig. 7).

Method according to one or more of claims 1 to 4, characterized in that the textile web (30) is formed in two layers (32) at the attachment location (25) for the plate (20'),

wherein in the first step of the main process a pocket (25) is created in the textile web (30), which is initially open (26) towards the thread connection point (23), and the carrier (11) of the plate strand (10) is inside the pocket (25), runs freely between the two textile layers (18, 19) of the pocket (25),

then, in the second process step, the carrier (30) is pulled, until the plate (20') passes through the pocket opening (26) and into the inside of the pocket

and finally, in the third process step, the pocket opening (26) is closed by a further link (42) of the thread elements (14) and the plate (20') is separated from the textile layers (18, 19) of the closed pocket (25'). is enclosed on all sides.

6. The method according to claim 5, characterized in that the textile web (30) has single-layer web intermediate pieces (31) between the pocket-forming, two-layer web areas (32), (Fig. 1).

7. The method according to one or more of claims 5 or 6, characterized in that the carrier section (28) of the platelet strand (10) floating on the carrier web (30) is produced in the initial area of the pocket (25), preferably at the transition between the single-layer (31) and the two-layer (32) web area (Fig. 3).

8. The method according to one or more of claims 1 to 7, characterized in that when producing the textile web (30), the plate from the plate strand with its plate plane (40) with respect to the plane (38) of the textile web (30) first, in the feed area in front of the thread connection point, runs essentially vertically (20), but is then twisted (41) around the longitudinal axis of the platelet strand (10), and finally in the area behind the thread connection point (23) essentially parallel (20 ') to the textile web -Plane (30) is arranged (Fig. 5, 8).

9. The method according to claim 8, characterized in that the plate in the area of the thread connection point (23) is adjusted from its vertical position (20) into a parallel position (20 ') to the plane (38) of the textile web (30).

10. The method according to claim 8 or 9, characterized in that the plates (20, 20 ') are rotated (41) by guide surfaces.

1 1. The method according to claim 8 or 9, characterized in that the plate is twisted (41) by a working means (15) used for the thread connection of the thread elements (14), such as a weft insertion needle, (Fig. 5).

12. The method according to one or more of claims 1 to 1 1, characterized in that the textile web is produced in an excess width compared to the end product and at its thread connection point (23) in the textile machine (22) there are several attachment locations (25) for plates (20 , 20') are produced at the same time and lie next to each other in the textile web,

one strand of platelets (10) being processed as a thread element at each of these attachment locations,

and then, in a fourth step of the method, the textile web is cut lengthways between two adjacent attachment locations (25, 25') into a group of web strips,

and finally, in a fifth step of the process, the web strips between two plates of the same plate strand attached thereto are divided (21) into individual web strip sections (34).