DE2724775A1 - CURTAIN TAPE WITH OPENINGS AND THE METHOD AND DEVICE FOR ITS MANUFACTURING - Google Patents

Description

GLAWE, DELFS, MOLL & PARTNER F'ATENTANWÄLTE

DR-INQ. RICHARD QLAWE. MONKS
DiPL-INQ. KLAUS DELFS, HAMBURG
OIPL.-PHYS. DR. WALTER MOLL, MÖNCHEN DIPL.-CHEM. DR. ULRICH MENQDEHL. HAMBURG

SOOO MÖNCHEN 26 POST BOX 37 LIEBHERRSTR. 20 TEL. (069) 22 65 48 TELEX 52 25 05

MUNICH A 05

2000 HAMBURG 13 POST BOX 2570 ROTH EN BAUMCHAUSSEE 56 TEL. (040) 41020 06 TELEX 21 29 21

THOMAS FRENCH S. SONS LTD.
Manchester / England

Curtain tape with openings as well as method and device

for its manufacture

The invention relates to a curtain end tape and its manufacture, preferably, but not exclusively, a curtain tape made of a fusible or weldable material.

The object of the invention is to create a curtain tape that is particularly easy to manufacture and use.

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DRESDNER BANK. HAMBURG, 403044 (BLZ 20060000) - POST CHECK: HAMBURQ 147607-200 - TELEGRAM: SPECHTZIES

The curtain tape according to the invention is characterized in that the openings are produced by punching and / or melting out of the tape and the edges of the openings are through Fusion, welding, gluing and / or sealing of the band material are solidified.

The method according to the invention is characterized in that the tape is produced by a device for producing Openings and passed through for welding or sealing the opening edges and produced by these devices of the openings at predetermined intervals.

In a preferred embodiment of the method according to the invention, the fusible material is attached to a tape contains, a heated tool is periodically brought up to the belt to remove melted and welded areas at intervals of the tape, and at the same time or afterwards an opening-forming tool is brought up to the tape in order to Form openings within the melted or welded areas.

A preferred embodiment of this process is carried out in such a way that a tape is produced which has at least one longitudinal strip of a has heat-fusible and weldable material,

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that this band is guided past a movable device for forming the openings and welding the edges of the openings, the at least one heated tip or the like. comprises bringing the heated tip into contact with the tape and thereby forms at least one opening and at the same time melts the strip material surrounding the opening so that? one the facility moved away from the belt, advanced the belt, and repeated the process.

The tape is preferably a woven tape with at least one longitudinally extending strip in which at least the warp threads are made of fusible material. In particular, the warp and weft threads made of fusible in the strip Material, and preferably the entire band is made up of threads of fusible material.

Another embodiment of the method according to the invention is characterized in that one has a punch-like tool and a device for supplying adhesive or sealing material at the same time moved against the tape and punched out at least one opening from the tape and cas adhesive or sealing material applies to the edge of the opening thus formed.

The method according to the invention is preferably carried out in such a way that that several longitudinal rows of spaced opening

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nunfeen are trained in the band. Appropriately are the openings are aligned with one another in the transverse direction, or the openings are at least in a pair of longitudinal rows aligned in the transverse direction to one another and offset in the longitudinal direction of the band to the openings of another pair formed from ^ uerreihen.

The process according to the invention can still be implemented by incorporating at least one, preferably two Zugschntire can be added to the tape.

Preferably, the tape, if it is a woven tape, is provided with the openings before it is removed from the loom, whereby the device for forming the openings and for sealing their edges is controlled by a patterning device of the loom will.

Preferably, the device for producing the openings and sealing their ribbons mounted on the loom frame and located in the vicinity of the haul-off device, preferably is arranged between successive take-off rollers.

The invention also relates to a device for producing a curtain tape according to the inventive method with features, which are specified in one or more of claims 20 to 30.

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Embodiments of the invention are based on Drawings explained in more detail.

Fig. 1 shows a schematic representation of an embodiment of the device according to the invention.

Fig. 2 shows a perspective on a larger scale

Detail of the device according to FIG. 1 _f

3f 4 and 5 show schematic side views modified embodiments of the device according to FIG. 1.

6 shows a further schematic side view

Modification of the device.

FIG. 7 shows, in perspective, on a larger scale, part of the device according to FIG. 6.

In a representation similar to FIG. 6, FIG. 8 shows a further modification of the device.

9 shows a sketch of a further embodiment.

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there is a comb or blade 12 (which is shown in theschlagpoeition). The woven fabric runs from sheet 12 Belt 13 through a first guide roller 14 downwards a frame part 15 of the loom into a group of three Take-off rollers 16, 17, 18.

The movement of the heddle frames 10 is controlled by a shaft mechanism of known type with a pattern chain 19 which runs around chain rollers 20 (only one of which is shown). The pattern chain 19 is used in a manner known per se to control the movement of the shaft lever 21 and from these via links (not shown) the heald frame 10.

The loom described so far is with its device for the production of two parallel longitudinal rows of spaced openings 24 in the belt 13 are provided. These openings 24 are between a pair of drawstrings arranged and aligned in the transverse direction to each other.

The device for producing the openings 24 is attached to a console 26 which is attached to a part 27 of the loom is attached. A displaceable block is mounted on the console 26, to which guide bolts 29 are attached, which are located

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In the following description, reference is made primarily to the manufacture of woven tape having two longitudinal rows of openings. This ribbon is made from fusible yarn. However, the invention itself is in no way limited to the manufacture of this particular curtain headband.

According to FIGS. 1 and 2, a curtain head or curtain tape is used manufactured according to an embodiment of the invention on a loom with shuttle and a pattern shaft control. Preferably a tape about 7 »5 cm wide is woven, using fusible thread for the warp thread and the weft thread will. The tape is conveniently woven in a simple 1-1 plain weave and during the weaving of the tape two pull cords are inserted. The pull cords are in one Distance of about 1 to 1.5 cm from the belt edges and lie expediently alternately afloat on one and the other side of the tape and are inserted in such a way that they each are passed through the tape at intervals of about 1 to 1.3 cm. The band is indicated schematically in FIG.

According to FIG. 1, the loom has a plurality of heald frames 10 (only two of which are shown for the sake of simplicity are) through which warp threads 11 run. In front of the strand frame

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extend through a bearing plate JO of the console 26. The bolts 29 are attached to the block 28 near its corners, and two of the bolts 29 carry coil springs 31 'which extend between the head 29a of the corresponding bolt 29 and that of the Block 2Θ face away from the bearing plate 30 extend. At the bracket 26 is attached to the body of an electromagnet 32, whose armature 32a is attached to the block 28, so that by energizing the electromagnet, the block 28 in the direction of arrow A, i.e., is moved towards the belt 13. The movement of the block 28 in the direction of arrow B, i.e. away from the belt 13, takes place through the action of springs 31 when the electromagnet is turned off. The movement of the armature 32a of the electromagnet in the direction of arrow A is limited by a stop block 33 » which is arranged on a rearward extension of the anchor 32a.

A carrier plate 34 for an arm 35 is attached to the block 28, on which a needle 36 can be pivoted for piercing the Tape is stored (as will be described later). Furthermore, a yoke 37 is mounted on the plate 34, which a carrier 37a for a punch consisting of a pair of heated tips which are spaced apart and serve to form the openings 24 in the band 13 by melting the fusible threads of the band 13 and at the same time welding the ends of these threads together at the edges of the openings 24 thus formed.

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Extending forwardly from yoke 37 (i.e. towards belt 13) is a rigid arm 39 'on which a slide block 40 is mounted on the arm 39 in any desired Position can be set. On the sliding block 14, a handlebar 41 is rotatably mounted, the free end of which is rotatable with a Sliding block 42 is connected, which is guided on the needle bar 36 is.

The arm 35 is provided with a bearing pin about which the carrier 37a can pivot in the direction of the double arrow C. The needle bar 36 for piercing the collar is on the arm 35 can be pivoted in the direction of the double arrow D. A helical return spring 43 (see FIG. 2) is between the carrier plate 34 and the bearing plate 30 and exerts on the plate 34 a Pivoting force in the direction of arrow E (see. Fig. 1).

At a distance from the heatable tips 38 is a support plate 44 arranged (see. Fig. 1), the belt 13 by the rollers 14 and 16 between dieeer support plate and the heatable Tips 38 is performed.

The electromagnet 32 is switched on and off by a switch 45 switched off, which is arranged on the heald frame at a distance from one of the shaft levers 31. The switch is of the type that it is switched on and off alternately by pressing it repeatedly

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At

is, and it is via the shaft lever 21 through two spaced projections 46, 47 of the pattern chain 19 actuated. The projection 36 actuates the switch in its Closed position, whereby the electromagnet is switched on and the projection 37 actuates the switch in the interruption position. The distance between the protrusions 46, 47 determines the length of time in which the switch is switched on. During this switch-on period, the heatable tips 38 held on the band 13, since the magnet armature 32a moves the block 28 in the direction of the band 13 and it in this position holds until the electromagnet is switched off and the block 28 by the springs 31 on the guide pin 29 in the opposite direction is moved. When the switch 45 is actuated by the movement of the shaft lever 21 during operation the electromagnet is switched on and the block 28 is moved forward so that the needle bar 36 pierces the tape 13 and the hot tips 38 come to rest against the belt 13 and start making the openings 24. The tape 13 moves naturally, and thereby the needle bar 36, which moves with the tape, causes a corresponding pivoting of the yoke 37 and the carrier 37a. This movement of the yoke 37 takes place via the handlebar 4I and the arm 39 · Move through this the heated tips 38 along with the belt 13 · through suitable adjustment of the handlebar 4I can be achieved that

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cal the carrier 37a moves faster than the belt 13, so that elongated openings 24 are formed. The dimensions of the openings 24 are determined by the setting of the blocks 40 and 40 42 on the needle bar 36 or the arm 39 - When the switch 45 is turned off, the needle 36 and the tips 39 of the belt 13 moved away and are ready for the next work cycle.

The invention is not directed to the manufacture of a curtain tape limited to a rifle loom. The device described above can also be used on a loom, for example be used with weft insertion needles or rapiers, which has a shaft nut device.

Figs. 6 and 7 show an apparatus for use on a Shuttleless loom in which the pattern is controlled by a pattern chain. The ribbon woven on such a loom runs from the stop location 51 over a series of guide and take-off rollers 52 to 57 which are mounted on the loom frame 53.

In the illustrated form of a shuttleless loom, the movements of the heddle frames are controlled by levers 59, each of which carries a cam follower 60 between its ends which rests against a pattern chain that controls the movements of the heald frame.

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corresponding strand frame controls. In this arrangement the liusterungskette 61 carries a pair of spaced angeodneten Hebein 59 screening members 62 which periodically lifting the associated lever 59 i ^m common mode and lower. These two levers 59 are not connected to heald frames, but rather carry extension arms 63, at the ends of which a cross member 64 is attached. A hollow element 64 with spaced-apart pins 66 is attached to this cross member 64. For example, only two such pins 66 (for producing two rows of openings in the band) or only one pin 66 or more than two pins can be provided.

Figure 7 shows an example of a five-pin element The hollow element can have a core (not shown) with a Record heating resistance, so that the element and in particular the pins 66 are heated to a sufficient temperature can to melt the threads of the tape 50 and weld them together. The double arrow F indicates the directions of movement Extension arms 65 and thus of the element 65. An abutment plate 67 for the tape is provided to the tape at the

Support training of the openings.

During operation of the device, the hook follower 60 of each lever 59 is raised with each passage of the chain links 62

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and lowered so that the pins 66 on the belt 50 to abut come and make the openings. In this arrangement the lifting and lowering of the I-element 6p and the Formation of the openings at such a high speed that it is not necessary to have devices for an ilite movement of the element 65 with the moved over the rollers 52 to 57 Tape to be provided.

The invention is not restricted to the details described above. For example, FIG. 3 shows a simplified embodiment which can be used in place of the device according to FIGS. 1 and 2. A carrier plate is provided here, on which the body 101 of an electromagnet is fastened. The armature (not shown) of the electromagnet is fastened to a block 102 which has guide pins 103, one of which carries a return spring 104. The block 102 carries a bearing arm 105 for an element IO6, which is provided with at least one heatable pin 107. In this case, no needle bar is provided for piercing the tape, as in the embodiment of FIGS. 1 and 2. The operation of this device consists in a simple reciprocating movement towards and away from the tape to produce one or more openings. In this case , an elongated shape of the opening or openings results from the fact that the tape is attached to the heated tips

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moves past while they are in contact with the tape. The pawn of the contact time determines the length of the formed opening or openings.

4 and 5 show a modification of the arrangement according to Fig. 3, in which a device for piercing the tape and means for pivoting the opening producing heated pins so that they move with the tape are provided. A bearing plate 108 is on the upper edge of the Block 102 attached (in which case the bearing arm 105 is removed from the block 102). The bearing plate 108 is with a bearing pin 109 is provided on which a support for the unit 111 carrying the heatable pins is rotatably provided, held in position on the carrier 110 by a yoke 112. Extends between the carrier 110 and the blook 102 a return spring 113, which is on the carrier a Pivoting force about the bearing pin 109 in the direction of arrow G exercises. A needle holder 114, from which two parallel needles 115 protrude, is attached to the yoke 112.

In operation of the device, when the electromagnet is switched on, the needles 115 are moved so that they pierce the tape, and at the same time the heated tips are brought into contact with the tape so that they create the openings. The needles move with the tape, and thereby the heated pins are moved along with the tape. If the

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When the solenoid is turned off, the block 102 moves back and the needles and heater pins are removed from the belt moved away and pivoted back into their starting position by the return spring 113 so that they are ready for the next working cycle.

Although the embodiments of FIGS. 1 to 5 are primarily intended for use with a shuttle loom however, they can also be used on a shuttleless loom, in which case the chain links of the pattern chain, instead of according to FIG. 6 by actuating Lever to mechanically control the device for making the openings directly, using appropriate pattern levers can operate a switch, which then the device according to one of the embodiments according to FIGS. 1 to 6 in the Her position of the openings controls.

The design and number of the heated tips determines the shape and number of the openings formed in the strip. For example, a device for forming a single longitudinal row can be used for a simple curtain end tape of openings can be provided, or multiple rows of openings can be formed.

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According to another embodiment, the invention is a device is provided for punching out openings directly from the strip. In this case, the heated Replaced pins with punches that punch the tape to make the openings in the desired number and shape, and in order to prevent the tissue from opening around the openings, means for applying an adhesive or Sealing means provided on the edges of the openings. These means are synchronized with the stamps and can form part of the stamp itself.

For example, if the pin 107 in the embodiment according to Fig. 3 is replaced by a punch and the element is hollow and filled with a heat sealant, this can be done through an annular nozzle surrounding the punch are fed to the tissue. The hollow element can also be in can advantageously be provided with a piston for forcibly pricing out the heat sealant through the nozzle, with a such piston is operatively connected to the punch such that it is actuated when the punch is duroh the fabric is pressed through against a die arranged on the other side of the fabric.

While the manufacture of a woven fore-end tape is described above, it should be understood that

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bands of other types can also be provided with openings in this way and then used as curtain end bands. In this case the device according to the invention becomes indifferent in which embodiment, as a separate device used because a loom is not required to make the ribbon. Indeed, woven tapes with openings could be used are provided by means of a device which consists essentially of one of the embodiments described above, this device on a support frame is attached, which is provided with means for feeding and withdrawing the tape.

The device according to FIG. 8, in which in part the same reference numerals as in FIG. 6 are used to denote the same parts is also used to produce openings in a band, which consists of fusible material or such includes, but this device includes means to first select certain, spaced areas of the tape to melt and weld and then welded together in this Areas to punch the openings. A block 201 with welding and punching dies is displaceable on a carrier 200 stored. The carrier 200 is provided with a nook 202 between its ends, and the stamp block is provided with a this cooperating cam 203 is provided. In addition to the

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Displacement movement in the direction of the double arrow 204 iet the block in the direction of the double arrow 205 on the Belt 50 can be moved towards or away from it. The block 201 is by a linkage 206 (which is partly only through the strioh-dotted Line 207 is indicated) is connected to a cam follower 208, which rests against a pattern chain 61 and the sliding movement of the block 201 controls. This displacement movement causes the cams 202, 203 to become one with the other brought into contact and cause a movement of the block 201 in the direction of the belt 50. On the other side of the belt a support block 209 is arranged, which is movable synchronously with the block 201. The block 201 carries a welding stamp and a punch 211. The block 209 is with a hole provided in which the punch 211 can enter. The movement of blocks 201 and 209 is with the tape advancing means synchronized, to which the rollers 52 to 56 belong.

In operation, the cam follower 208 periodically effects one Displacement movement of the blocks 201 and 209 and correspond to a movement of the block 201 in the direction of the belt 50, if Cams 201 and 202 cooperate. This makes the welding stamp 210 is brought into abutment with the belt, and the heat of this stamp causes an area of the belt to melt and Welding. At the same time, the punch 211 punches an opening

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in a prepared previously welded area of the tape. The synchronous movement of blocks 201 and 209 allow these operations to be carried out while the belt is moving, and therefore the device shown can used on a loom. If desired, the welding die 210 and the punching die 211 can also be designed in this way be that the tape is punched in a welded area during the welding itself. The distance between the welding punch 210 and the punch 211 can be designed to be adjustable, so that the ritanzstempel can adjust such that it forms the opening exactly centrally in the area welded by the welding die 210. Instead, as shown in FIG. 9, the welding die can also directly align the punching die in a centric arrangement wear, so that at the same time as the formation of a welded area, the central part of the area is recessed by the punch to make the opening.

Of course, the device can also be used independently of a loom, e.g. to produce a unwoven curtain tape with openings.

Furthermore, the manner in which the pull cords are attached to the woven tape can of course be modified in any manner.

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be fified. Instead of completely crossing the tape at regular intervals, as mentioned above, the pull cords can also cross the tape at irregular intervals or in sections in tubular woven sections of the tape. In this case, the pull cords kick at certain points from this tubular sections to form floating sections on only one side of the belt.

The cross-sectional shape of the punch can be chosen arbitrarily, so that the cross-sectional shape of any arbitrary Hook to be used to hang the tied curtain.

A particular advantage of making a woven tape in the manner described above is that the weave pattern can be very simple and that the tape can be woven using a single shuttle or sole thread inlay element.

When weaving the tape with a single shuttle or weft thread insert element, a single-layer fabric is created, so that the tape does not have any areas of different thickness, as is the case with many tapes in use today at those points where the suspension hooks are to be inserted, due to the multi-layer weave there.

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Claims (1)

Claims 1. Curtain tape with spaced openings, characterized in that the openings are punched and / or melted out of the strip material openings formed 3ind. 2. Curtain tape according to claim 1, characterized in that the threads of the tape in each one The edge area surrounding the opening is fused, welded, are glued or sealed. 5. Process for the production of a curtain tape with at least A series of spaced openings for receiving hanging hooks or the like., characterized in that the band by a device for Forming the openings and solidifying the edge areas of the openings leads through. If ¹ 4. The method according to claim 3, characterized in that a tape is produced using fusible material by periodic attachment - 21 - 709851/0842 ORIGINAL INSPECTED ι, a heated stamp spaced on the belt Forms melted or welded band areas and simultaneously or subsequently in the melted or welded Areas by means of a tool forms the openings. 5. The method according to claim 4 $, characterized in that a tape is produced which has at least one longitudinally extending strip of a heat-meltable and weldable material, that this tape is guided past a movable device for forming the openings and welding the opening edges , the at least one heated tip or the like. that the heated tip is brought into contact with the band and thereby at least one opening is formed and at the same time the band material surrounding the opening is welded by moving the device away from the band, moving the band further and repeating the process. 6. Device according to one of claims 3 to 5 »characterized in that the tape is produced by weaving, at least the warp threads consist of meltable or weldable material in at least one longitudinal strip of the tape. - 22 - 709851/0842 7. The method according to claim 6, characterized in that g e k e η η that the warp and chuff threads of the yarn consist of fusible or weldable material. 8. The method according to claim 6, characterized in that all the warp threads of the yarn Meltable or weldable material exist. 9 · The method according to claim 8, characterized in that? all warp and all weft threads of the yarn consist of fusible or weldable material. 10. The method according to claim 1, characterized in that that you have a punch-like tool and a device for feeding adhesive or sealing material at the same time moved against the tape and at the same time punching out at least one opening from the tape and the adhesive or sealing material applies to the edge of the opening thus formed. 11. The method according to claim 10, characterized in that a woven tape is used. 12. The method according to any one of claims 3 to 11, characterized characterized because "one has several parallel longitudinal 709851/08 * 2 rows of spaced apart openings in the tape trains. 13 · The method according to claim 12, characterized in that one in the transverse direction of the tape to each other forms aligned openings in the various longitudinal rows. 14 · The method according to claim 12, characterized in that in each case a pair of longitudinal rows forms aligned openings in the transverse direction of the belt opposite to the openings of another pair of longitudinal rows are offset in the longitudinal direction of the bandee. 15 · Method according to one of Claims 3 to 14 _t, characterized in that at least one pull cord is worked into the tape. 16. The method according to claim 15 t, characterized in that at least two pull cords in the Band incorporated. 17 · The method according to any one of claims 3 to 16, characterized marked that the tape on a web - 24 - 709851/0842 S. chair manufactures and the openings in the 3 * nd before removing the tape from the loom and controls the device for forming the openings and solidifying the opening edges from the patterning device of the loom. 18. The method according to claim 17 »characterized in that the tape on the loom through the device arranged on the loom near the take-off device leads through. 19. The method according to claim 18, characterized in that the openings in the belt on the Loom at a point where the tape is from a guide and Take-off roller to another runs, trains. 20. Device for producing a curtain tape provided with openings according to the method according to one of the claims 3 to 19 »marked by at least a heated tool which can be moved against the belt and which can be heated to such a temperature that when the Tool against the band formed at least one opening and at the same time fused the edge of the opening formed or is welded. 21. Device for producing a curtain tape according to the method according to claim 4 »characterized 709851/0842 - 25 - Q. by a melting or welding device (21θ) for melting and welding at least a selected area of the strip, as well as at least one tool (211) for forming an opening in each melted or welded area, the melting and welding device (210) and tool ( 211) arranged on a carrier (201) and that a Stützeinrichturjg (209) i ^"for the band (50) is associated, said support (201) and StützeinrichOung (209) back together and are lerbewegbar and further comprising means (202, 203 ) are provided for 3ewegen the carrier (2G1) ^ on the tape and away from it. 22. Device according to claim 21, characterized in that *? the tool (211) at a distance from the Melting and welding device (210) arranged on the carrier (201) is such that first predetermined areas of the band (50) are melted or welded and then an opening is formed in each of these areas. 23. The device according to claim 20, characterized by at least two heatable tips (30) which can be heated to such a temperature that, when they are pressed against the strip (13), openings are formed therein and their edges are welded at the same time, a device (46, 47 »45» 32) for moving the tips (38) to the belt (13) and away from it at predetermined time intervals, transport means (14 »16, 17, 18) to the sliding form 709851 / 08i Moving the belt (13) at a predetermined speed the tips (3 ″) over, the transport device with eats synchronized with the movement of the tips (38). 24 · Device for the production of a curtain tape according to the method according to claim 10, characterized by at least one punch and an associated device for supplying adhesive or bending agents, as well as by means for synchronously moving the punch and the feed device against the tape and one on it other side arranged die in such a way that with each cycle of the Punch formed at least one opening in the tape and at the same time the adhesive or sealing means on the edge of this opening is applied. 25. The device according to claim 24, characterized by at least two punches and associated devices for supplying adhesives or sealing agents. 26. Device according to one of claims 23 to 25, characterized characterized in that the heatable tips (38) and / or the punch can be carried along with the longitudinal movement of the belt (13) are stored and that a puncture needle (36) is provided to synchronize their movement with the movement of the tape, which together with the tips (38) or the iJtanzstempel on one pivotable carrier (35) mounted iet. 709851/08427 - ι. 27. Device according to one of claims 20 to 26, characterized characterized in that it is arranged on a loom so that the tape as it moves through the haul-off device is provided with the openings. \: 26. Device according to claim 26, characterized in that the device is controlled by a device (19 »61) of the loom in such a way that it produces the openings at predetermined intervals. 29 Apparatus according to claim 28, characterized distinguished g Eke η η, da.j ?, the patterning device of the loom is a Schaftsteuerungemechanik. 30. Apparatus according to claim 28, characterized in that the patterning device of the loom a pattern chain (19, 61) ibt. - 23 - 709851/0842