EP0853697A1 - Vorrichtung zum herstellen von vorzugsweise gemusterten textilen bändern, insbesondere von etikettbändern, aus einer schmelzfähiges material aufweisenden breitbahn - Google Patents
Vorrichtung zum herstellen von vorzugsweise gemusterten textilen bändern, insbesondere von etikettbändern, aus einer schmelzfähiges material aufweisenden breitbahnInfo
- Publication number
- EP0853697A1 EP0853697A1 EP96933419A EP96933419A EP0853697A1 EP 0853697 A1 EP0853697 A1 EP 0853697A1 EP 96933419 A EP96933419 A EP 96933419A EP 96933419 A EP96933419 A EP 96933419A EP 0853697 A1 EP0853697 A1 EP 0853697A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- leaf spring
- cutting member
- block
- fabric
- web
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J1/00—Auxiliary apparatus combined with or associated with looms
- D03J1/06—Auxiliary apparatus combined with or associated with looms for treating fabric
- D03J1/08—Auxiliary apparatus combined with or associated with looms for treating fabric for slitting fabric
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
- D06H7/22—Severing by heat or by chemical agents
Definitions
- a wide web is first woven on a weaving machine, in which several label tapes are produced in adjacent web zones connected at the edges. Then the wide web between the individual web zones is cut into individual bands by cutters.
- cutters e.g. B. a stationary arranged in the wide web heated wire which produces a fusion cut and at the same time the cut thread ends melts together so that the cut edges cannot fray.
- melting edges on the bands These melting edges are relatively hard and have a rough profile if they are not post-treated. If such untreated labels are attached to items of clothing, the rough edges of the tape are uncomfortable when wearing such items of clothing.
- the edge areas of the two bands are still in a plastic state at the effective pressure zone of the spring.
- the heat of the heated cutting element can affect the spring arranged closely next to it, namely through thermal radiation or through convection currents. This applies in particular if the spring is designed as a leaf spring with an opening, because the leaf spring serves as a collector for the heat which emanates from the heated cutting element passing through its opening.
- the device according to the invention can be integrated into a weaving machine on which the broad web is woven.
- the weft thread density of the resulting wide web fabric is determined by a draw-off roller, which not only provides for the weaving feed during the production of the wide web, but also generates the necessary high weaving tension of the warp threads.
- a warp thread is under a relatively high thread tension of 25 to 40 g per warp thread.
- the cutting link is always arranged in front of the draw-off roller.
- the invention has recognized that significantly better results are achieved at the band edges if the cutting, pressure and Stutzgheder, according to claim 17, behind the take-off roller of the loom arranges, so in that fabric section that is no longer below that for weaving required high thread tension.
- the bad results according to the state of the art are evidently because the subsequently treated melting edges develop cracks during their hardening due to the high weaving tension, which again produce roughness at the strip edges.
- This finding of the invention has independent inventive significance, even without the measures of claim 1 or 2. Further measures and advantages of the invention result from the subclaims, the following description and the drawings.
- the invention is shown in several exemplary embodiments. Show it:
- FIG. 1 shows a schematic representation of a cross section through a weaving machine, where the special position of the device according to the invention is illustrated
- the broad web fabric is in frictional engagement with the circumference of the draw-off roller 17, which thereby absorbs the high yarn tension.
- the deflection rollers 18 arranged behind the take-off roller 17 transport the fabric section 40 there with a significantly lower tension of a maximum of 20 g per warp thread to a fabric beam 19 .
- At least one device 20 according to the invention, to be described in more detail below, is arranged in this tissue section 40 .
- the device 20 is attached to a carrier 41 which runs across the entire width of the tissue 10 .
- On the carrier 41 there are numerous devices 20 which, depending on their number and their distance from one another, divide the wide web 10 into a corresponding group of individual bands 10'.
- the leaf spring 22, the wire 21 passing through its opening and finally the supporting element 33 associated with this leaf spring 22 belong to a compact structural unit 30 which is mounted at the desired point of separation of the broad web 10.
- This structural unit 30 is part of a block 35 which is plate-shaped, consists of insulating material and is part of the housing 50 already mentioned.
- two electrical connections 31, 32 protrude, which here consist of angular metal sheets, one of which 21 is located above and the other 32 below the broad web 10.
- the lower plate 32 carries the support member 33, which has a wedge-shaped cross-sectional profile.
- the wedge tip 34 of the support member 33 is directed downwardly to facilitate assembly of the block 35 to the wide web 10, which is done from the top of the web.
- the trowel surface 36 opposite the wedge tip 34 is flat, is in surface contact with the underside of the broad web 10 and serves as an abutment for the leaf spring 22 which is supported on it under spring pressure lower end of the wire 21.
- the upper plate 31 is provided with a thickened head 38 at the end, which also has a fastening means 39 for the other end of the wire 21.
- An electrical cable 43 is brought out at the upper end of the block 35, which has electrical supply lines for the heating current of the wire 21, which, which cannot be seen in any more detail, are in electrical connection with the aforementioned angular metal sheets 31, 32.
- the electrical cable 43 can also contain electrical control lines.
- the electric Lines of the cable 43 are contacted with electrical components 44 which are arranged inside the block 35 and are used to control the heating of the wire 21 .
- the electrical components 44 are expediently part of an electrical circuit board 45 which is integrated inside the block 35 .
- the printed circuit board 45 together with the components
- the block 35 is part of a housing 50, which in the present case consists simply of two flat rare plates 51, 52, the distance 53 from one another being determined simply by the plate thickness of the block 35 lying between them.
- the block 35 is braced like a sandwich between the two side plates 51, 52 by fastening screws, which protrude through bores 55 in the block 35 and are anchored in the side plates 51, 52 at both ends.
- the structural unit 30 is fastened by means of the housing 50 to the support 41 already mentioned, which here consists of a support rail 41 running transversely across the fabric.
- the mounting rail 41 has an upper and a lower profile strip 48, 49.
- the lower profile strip 48 has an edge cross-section that serves to guide the housing 50 along the mounting rail 41 and into a corresponding angular cutout 58 at the rear end of the two housing side plates 51, 52 engages.
- the upper profile strip 48 of the support rail 41 is gripped from behind by a snap spring 59 which acts as a holding means for the housing 50 .
- the snap-action spring 59 is, as shown in FIG.
- the housing 50 can then be tilted away from the mounting rail 41 in the direction of the pivoting arrow 65 in order to be able to dismantle it from the mounting rail 41 .
- the pivot point for this pivoting movement 65 is then in the region of the plate cutouts 58 described on the lower profile strip 48. After pivoting away 65, the housing 50 can also be pulled off the lower profile strip 48 and thus easily removed from the support rail 41.
- the housing 50 is mounted on the mounting rail 41 in the opposite direction.
- adjusting means 60 are also provided on the housing 50, which are used for its longitudinal adjustment in the direction of the double arrow 66 along the support rail 41 according to FIG. This is necessary to set the exact width of the tapes 10' to be cut.
- These adjusting means 60 include pinions 62 which are in engagement with toothed racks 61 provided on the support rail 41 .
- the toothed racks 61 are arranged on the front face of the support rail 41 between the two profile strips 48, 49 mentioned.
- the adjusting means 60 on the housing side are arranged in the space 63 between the two side plates 51, 52 and are located in the breakout 57 of the block 35 arranged between them, which has already been mentioned several times 68 protrudes at the upper end of the housing 50 and is rotatably mounted in an upper and lower bearing 64, 67 which is located in the mentioned inserts 54, 56.
- the shaft 63 can be rotated in the direction of the actuation arrow 69 in FIG. rail 41 is coming.
- the distances 75, 76 between the rear and lateral edges 23 that can be seen in FIG. 8 can be less than 1 mm; a distance of 0.75 mm 75 or 76 is sufficient.
- the wire 21 itself can be heated to red heat and therefore get a temperature above 400.
- a separating cut 70 occurs behind the wire 21, which cut divides the wide fabric 10 into the two bands 10' shown in FIG.
- the resulting melt edges 77 are reshaped and smoothed by the already described effective pressing zone 29 of the leaf spring 22 on the support member 33 . In the effective pressing zone 29, the two melting edges 77 are still plastic.
- the bow-shaped blade 71 penetrates with its U-apex region 74 through the slot 24' of the leaf spring 22' already described, which is used as a pressure element in this device 20'.
- the two electrical connections 78, 79 have this Cutting member 71 on the same side of broad web 10.
- Leg ends 72, 73 are attached to a slide 80 which is spring loaded in the direction of push arrow 81 against support member 33' of device 20'.
- the slide 80 is guided in its direction of displacement 81 in a housing of this device 20' shown in more detail.
- the end 25 of the leaf spring 22', already described in connection with FIG. 5, is fixed in place on this housing.
- This device 20 ′ can also be arranged in a corresponding number along a support rail and can be adjusted in the longitudinal direction of the rail, as has been described in connection with the device 20 .
- the device 20' there is a difference in the device 20' in that all the devices 20' are assigned a common support member 33'.
- This consists of a multi-layer rod. This includes first a zentra ⁇ le cartridge heater 82, the z. B. steel is clad. In the jacket 83 there is a longitudinal groove in which a round rod 84 made of ceramic material is arranged.
- the rod 84 serves as an abutment for the blade 71 and, together with the jacket 83, also as a support member for the leaf spring 22'.
- the ceramic rod 84 forms an edge for deflecting the web between the wide web 10 and the cut ribbons 10'.
- the devices 20 according to the invention and in particular 20' do not have to be integrated into a loom according to FIG.
- the device could also be part of a cutting table, where a wide web 10 previously produced on a loom or on a knitting machine is to be subsequently cut into individual bands 10'. In this case there is an "off-loom" execution.
- thermosetting In order to smooth the fabric after weaving, a heat treatment known as "thermosetting" is used. This thermal fixing is best carried out in the area of the take-off roller 17. The means 85 required for this are shown in FIG. Reference list:
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19536963 | 1995-10-04 | ||
DE19536963A DE19536963A1 (de) | 1995-10-04 | 1995-10-04 | Vorrichtung zum Herstellen gemusterter textiler Bänder, insbesondere Etikettbänder, aus einer Breitbahn |
DE19604735A DE19604735A1 (de) | 1995-10-04 | 1996-02-09 | Vorrichtung zum Herstellen gemusterter textiler Bänder, insbesondere Etikettbänder, aus einer Breitbahn |
DE19604735 | 1996-02-09 | ||
PCT/EP1996/004244 WO1997013023A1 (de) | 1995-10-04 | 1996-09-28 | Vorrichtung zum herstellen von vorzugsweise gemusterten textilen bändern, insbesondere von etikettbändern, aus einer schmelzfähiges material aufweisenden breitbahn |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0853697A1 true EP0853697A1 (de) | 1998-07-22 |
EP0853697B1 EP0853697B1 (de) | 1999-10-20 |
Family
ID=26019236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96933419A Expired - Lifetime EP0853697B1 (de) | 1995-10-04 | 1996-09-28 | Vorrichtung zum herstellen von vorzugsweise gemusterten textilen bändern, insbesondere von etikettbändern, aus einer schmelzfähiges material aufweisenden breitbahn |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0853697B1 (de) |
WO (1) | WO1997013023A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19644534C2 (de) | 1996-10-26 | 2001-03-22 | Vaupel Textilmaschinen Gmbh & | Vorrichtung zum Längstrennen einer schmelzfähigen Breitbahn in mindestens zwei Bändern, insbesondere in gemusterte Etikettbänder |
CH697695B1 (de) * | 2003-02-06 | 2009-01-15 | Textilma Ag | Schneidvorrichtung zum thermischen Schneiden einer laufenden, insbesondere gemusterten Textilbahn. |
DE102006020950A1 (de) * | 2006-05-05 | 2008-01-31 | Vaupel Textilmaschinen Gmbh & Co. Kg | Vorrichtung zum thermischen Schneiden einer aus schmelzfähigem Fadenmaterial bestehenden Textilbahn in Bänder |
DE102006061140A1 (de) * | 2006-12-22 | 2008-06-26 | Vaupel Textilmaschinen Gmbh & Co. Kg | Vorrichtung zum thermischen Schneiden einer aus schmelzfähigem Fadenmaterial bestehenden Textilbahn in Bänder |
WO2009061310A1 (en) * | 2007-11-05 | 2009-05-14 | Yidi Carlos Jr | Device for thermal cutting of a fabric sheet into ribbons |
EP3722471A1 (de) | 2019-04-10 | 2020-10-14 | Textilma AG | Verfahren zum herstellen von kaltgeschnittenen gewebebahnen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2307096A1 (de) * | 1973-02-14 | 1974-08-22 | Ver Seidenwebereien Ag | Gleitende distanzhalterung |
DE2516057A1 (de) * | 1975-04-12 | 1976-10-28 | Mageba Textilmaschinen Gmbh | Eine der abzugseinrichtung eines webstuhles nachgeordnete schneidvorrichtung |
DE4011293A1 (de) * | 1989-04-12 | 1990-10-18 | Loepfe Ag Geb | Vorrichtung zum thermischen trennen von textilen flaechengebilden |
WO1993002246A1 (de) * | 1991-07-18 | 1993-02-04 | Textilma Ag | Verfahren und webmaschine zur herstellung einer thermisch geschnittenen bahn |
-
1996
- 1996-09-28 WO PCT/EP1996/004244 patent/WO1997013023A1/de active IP Right Grant
- 1996-09-28 EP EP96933419A patent/EP0853697B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9713023A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1997013023A1 (de) | 1997-04-10 |
EP0853697B1 (de) | 1999-10-20 |
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