EP1252944A2 - Weblitze und Verfahren zur Herstellung einer Weblitze - Google Patents
Weblitze und Verfahren zur Herstellung einer Weblitze Download PDFInfo
- Publication number
- EP1252944A2 EP1252944A2 EP02002314A EP02002314A EP1252944A2 EP 1252944 A2 EP1252944 A2 EP 1252944A2 EP 02002314 A EP02002314 A EP 02002314A EP 02002314 A EP02002314 A EP 02002314A EP 1252944 A2 EP1252944 A2 EP 1252944A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- blank
- profile
- eyelet
- heald
- narrow point
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
- B21F45/08—Wire-working in the manufacture of other particular articles of loom heddles
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C9/00—Healds; Heald frames
- D03C9/02—Healds
- D03C9/024—Eyelets
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C9/00—Healds; Heald frames
- D03C9/02—Healds
- D03C9/04—Metal healds
Definitions
- the invention relates to a heald according to claim 1 and a method for producing a heald according to Claim 13.
- Healds in weaving machines have the task of that run through the strands' middle eyes for specialist training raise and lower.
- at metallic healds will thread through either Piercing a double wire soldered together or by punching out a flat rolled round wire or a broadband.
- the by piercing or Die-cut opening or eyelet forms Thread eye through which the warp thread is passed.
- the Thread eye is one due to the continuous warp thread exposed to high mechanical stress. It must be as low-wear as possible and must Do not rub on the warp thread. To accomplish this Often an additional thread eye is required soldered the eyelet, which is also called Maillon.
- the demands for high mechanical Resilience is most likely to be met by healds that made of metal at least in the area of the thread eye are.
- round wire flashes made of two tinned, parallel steel wires in a continuous process in to solder a liquid tin or tin / lead bath together.
- the double wire thus produced is used to form the Thread eyes partially again along the solder joint split and widened into an eyelet into which if necessary, an additional thread eye is soldered.
- the process for producing such round wire healds is expensive and due to the use of lead and / or Tin bath ecologically questionable.
- the strands also point a relatively soft, non-abrasion resistant surface on. You must therefore copper and subsequently be nickel-plated to achieve the desired abrasion resistance preserve and prevent staining on the yarn.
- the invention is therefore based on the object To provide heald at the said Problems of the prior art can be avoided.
- the Heald should be particularly effortless and environmentally friendly be producible.
- the task is solved by a heald with the Features of claim 1.
- the task continues solved by a method for producing a heald having the features of claim 13.
- a one-piece blank that has a profile has at least two thickenings and one between the narrow points.
- the profile of the Blanks have the shape of a in the area of the narrow point Triangle with rounded or flattened tip and with an opening angle between 20 and 120 ° or approximate by such a shape.
- the thickness d 2 of the blank in the area of the narrow point is preferably between 0.02 and 0.2 mm.
- the thickness d 1 in the region of the thickenings is preferably 2 to 8 times the thickness d 2 and is preferably between 0.3 and 1.2 mm.
- the width b 1 of the blank is preferably between 0.5 and 3.0 mm.
- the blank is in particular an endless belt that over the entire strip length has the profile described. He is also referred to below as a fissile profile wire designated.
- Blank along the narrow point in an area of one predetermined length separated into two single strands and expanded to form an eyelet.
- the piercing or Unravel a slot to make the eyelet possible with little effort. Because of the Prefabricated constriction show the single strands in the Area of the slot essentially rounded edges on. The eye thus created can thus be easily be prepared to take up the warp thread.
- the Unravel to form a slit and expand of the slot can be done in one operation in one common processing station.
- the blank is preferably a one-piece, profiled, splittable wire. This is preferably made by rolling, drawing or cutting. It preferably consists of spring-hard inox material or cold-drawn spring steel. Its strength is 900 to 2500 N / mm 2 , preferably 1100 to 1500 N / mm 2 . This high tensile strength ensures the necessary stability and fatigue strength of the heald according to the invention. The strength is selected depending on the material so that the profile can be split and widened without tearing along the entire length of the strand. The elongation at break is chosen so that the molding of end loops is possible.
- the heald preferably has to be attached to the armor straight ends for hose attachment or molded End loops. This is achieved through appropriate material forming, End splitting or additional attachment of Thread eyes realized.
- the flared eyelet can be used directly as a thread eye.
- This points preferably an increased wear ability than that Blank itself and preferably also a corresponding one prepared surface, which is polished, for example, on.
- the manufacturing process will thereby compared to known methods in which the Thread eye is soldered, simplified.
- thread eye can also be glued, brazed, soft soldered, Foil soldering, laser welding, pressure welding, Ultrasonic welding or embossing fastened in the eyelet become.
- the split point i.e. the eyelet mechanical or chemical polished. This creates a thread-like surface of the sun formed thread eye realized.
- an additional one used thread eye preferably has one accordingly polished surface.
- the profile of the blank is preferably essentially dumbbell, double leg or figure eight shaped. This will make one easy cleavage realized.
- a partially split fissile profile wire is preferably also for the production of other components used, which have a slit opening or an eyelet.
- Figures 1-5 are different profile shapes of Blanks used to manufacture an inventive Heald can be used, shown. Same functional areas have the same reference numerals designated.
- the profile 1 is essentially dumbbell or 8-shaped. It is symmetrical about both a transverse axis 11 as well as to a central axis perpendicular to it 12.
- the profile 1 has two club-like lateral Thickenings 4a, 4b, between which a narrow point 2 is formed.
- the narrow point 2 is during the Manufacturing process of the blank formed in that the blank along its entire length mirror-symmetrical to the transverse axis 11 opposite Notches 3a, 3b is provided.
- the blank 1 has one Width b1 from 0.4 to 2.6 mm, preferably 0.6 mm. In in a direction perpendicular to it, it has a maximum thickness d1, which is approximately two thirds of the width b1, here 0.4 mm.
- the minimum thickness d2 in the area of the narrow point 2 is about a third of the width b1, here preferably 0.2 mm.
- the profile has in the area of the thickenings 4a, 4b and rounded shape in the area of the notches 3a, 3b on.
- the radius of curvature R1 of the profile in the area of Narrow point 2 is between 0.01 and 0.25 mm, it is preferably 0.05 mm.
- the profiled wire becomes the inventive one Production of a heald partially separated.
- the resulting slot is widened into an eyelet that either forms the thread eye itself or another Thread eye (Maillon) picks up.
- FIG. 2 is another example of a profile of a Blank 1 shown.
- the narrow point 2 between the two thickenings 4a, 4b here has one compared to Example from FIG. 1 reduced thickness d2 of approximately one Sixth of the width b1 of the profile.
- Half Opening angle ⁇ of the notches 3a, 3b is approximately 30 °.
- the radius of curvature R1 of the notches 3a, 3b is about 0.05 mm.
- the width b1 of profile 1 is between 0.6 and 2.6 mm and is here preferably 0.8 mm.
- the through the notches 3a, 3b narrow point 2 formed between the two Thickenings 4a and 4b essentially consists of one straight piece of material of width b2.
- the width b2 is between 0.05 and 0.5 mm and is 0.1 mm here.
- the Thickness d2 of the narrow point 2 in a perpendicular thereto extending direction is preferably between 0.1 and 0.5 mm and here is, for example, 0.1 mm.
- the fat D1 of the entire profile 1 measured at the point largest Extension is preferably between 0.25 and 1.3 mm and here is 0.45 mm.
- the opening angle ⁇ of the Notches 3a, 3b is between 60 and 120 ° and is here about 90 °.
- Fig. 4 shows a slightly modified compared to Fig. 3 Profile with rounded notches 3a, 3b.
- the Radius of curvature R1 of the notches here is approximately 0.12 mm and is generally preferably between 0.05 and 0.5 mm.
- the opening angle ⁇ is essentially 90 °.
- the width of the profile b1 is approximately 0.6 mm
- the thickness d1 of the profile approximately two thirds of it, here 0.4 mm
- the thickness d2 of the narrow point 2 is approximately one sixth of it, here 0.1 mm.
- the opening angle ⁇ of the notches 3a, 3b is approximately 90 °.
- the radius of curvature R1 of the profile in the area of the narrow point 2 is approximately 0.05 mm.
- the radius of curvature R2 of the profile in the region of the thickenings 4a, 4b is approximately 0.1 mm.
- 5 has a cross-sectional area of approximately 0.16 mm 2 .
- the profiles shown in Figs. 1-5 can be Cold drawing, rolling or cutting a wire Manufacture resilient inox material or spring steel.
- the Fissile profile wire produced in this way serves as an endless belt as a starting material for the production of inventive Healds. Furthermore, other components, which have an eyelet, easily from one such wire can be made.
- the heald consists of a blank 1, which is a fissile Profile wire with a profile according to one of FIGS. 1-5 or 6c.
- the profile wire has two in the longitudinal direction strand-like thickenings 4a, 4b, which in the End regions 1a, 1b of the blank 1 parallel to each other run. In these end regions 1a, 1b they are over a narrow point 2 connected to each other.
- In the field of Eyelet 6 is the narrow point over a certain length separated.
- the blank 1 is in two in this area Single strands 5a, 5b split. These are below Forming an eyelet 6 pulled apart in the transverse direction.
- a thread eye 7 is inserted positively.
- the ends 8 of the eyelet 6 or the intermediate area between the thread eye 7 and the individual strands 5a, 5b are with filled with a filler.
- 6b and 6c show sections through a stranded wire along the line 1-1 in Fig. 6a.
- 6b represents the case shows that the blank 1 is a soldered Double wire acts according to the prior art. This consists of two round wires 9a, 9b, which are parallel are aligned with each other and with solder 10 over their entire length are connected. Such a double wire has the disadvantages described above.
- 6c shows in contrast, the further development according to the invention, at the blank 1 is a one-piece splittable profile wire is used.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Looms (AREA)
- Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
- Air Bags (AREA)
- Wire Processing (AREA)
Abstract
Description
- Fig. 1 - 5
- Verschiedene Profile von Rohlingen zur Herstellung von erfindungsgemässen Weblitzen;
- Fig. 6a
- die Aufsicht auf eine erfindungsgemässe Weblitze mit einem zusätzlich eingesetzten Fadenauge;
- Fig. 6b
- einen Querschnitt durch eine Doppeldraht-Litze nach dem Stand der Technik;
- Fig. 6c
- den Querschnitt durch eine erfindungsgemässe Litze.
Claims (15)
- Weblitze, bestehend aus einem einstückigen Rohling (1) mit einem Profil, das wenigstens zwei Verdickungen (4a, 4b) und eine dazwischen angeordnete Schmalstelle (2) aufweist, wobei das Profil im Bereich der Schmalstelle (2) die Form eines Dreiecks mit abgerundeter oder abgeflachter Spitze und mit einem Öffnungswinkel (2α, β) zwischen 20 und 120° hat, und wobei der Rohling (1) entlang der Schmalstelle (2) zu zwei Einzelsträngen (5a, 5b) aufgetrennt und unter Bildung einer Öse (6) aufgeweitet ist.
- Weblitze nach Anspruch 1, dadurch gekennzeichnet, dass das Profil des Rohlings (1) im wesentlichen keulen-, hantel- oder 8-förmig ist.
- Weblitze nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Öse (6) eine polierte Oberfläche aufweist und ein Fadenauge (7) bildet.
- Weblitze nach Anspruch 1 oder 2, gekennzeichnet durch ein zusätzliches Fadenauge (Maillon) (7), das in der Öse (6) angeordnet ist.
- Weblitze nach Anspruch 4, dadurch gekennzeichnet, dass das Fadenauge (7) entlang seiner äusseren Kontur eine Einkerbung aufweist, die zum formschlüssigen Einsetzen in die Öse (6) an die Form der Einzelstränge (5a, 5b) angepasst ist.
- Weblitze nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass das Fadenauge (7) eine polierte Oberfläche aufweist.
- Weblitze nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass der Rohling (1) ein profilierter, spaltbarer Draht ist.
- Weblitze nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass der Rohling (1) ein kaltgezogener oder gewalzter oder geschnittener Draht ist, der vorzugsweise aus federhartem Inoxmaterial oder kaltgezogenem, federhartem Stahl besteht.
- Weblitze nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass der Rohling (1) eine Festigkeit von 900 bis 2500 N/mm2, vorzugsweise von 1100 bis 1500 N/mm2 aufweist.
- Weblitze nach einem der vorangegangenen Ansprüche gekennzeichnet durch gerade Enden (1a, 1b) für eine Schlauchbefestigung oder angeformte Endösen.
- Weblitze nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass das Profil im Bereich der Schmalstelle einen Krümmungsradius (R1) zwischen 0,01 und 0,5 mm aufweist.
- Weblitze nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass das Profil im Bereich der Schmalstelle (2) dachförmig gestaltet ist, wobei die Breite (b2) der Schmalstelle zwischen 0,05 und 0,5 mm und die Breite (b1) des Profils zwischen 0,6 und 2,6 liegt.
- Verfahren zur Herstellung einer Weblitze mit den folgenden Schritten:a) Bereitstellen eines einstückigen Rohlings (1) mit einem Profil, das wenigstens zwei Verdickungen (4a, 4b) und eine dazwischen angeordnete Schmalstelle (2) aufweist, wobei das Profil im Bereich der Schmalstelle (2) die Form eines Dreiecks mit abgerundeter oder abgeflachter Spitze und mit einem Öffnungswinkel (2α, β) zwischen 20 und 120° hat;b) Auftrennen des Rohlings 1 in Längsrichtung über eine vorbestimmte Länge entlang der Schmalstelle (2);c) Aufweiten des Rohlings 1 im aufgetrennten Bereich zu einer Öse (6).
- Verfahren nach Anspruch 11, dadurch gekennzeichnet, dass ein zusätzliches Fadenauge (7) in die Öse (6) eingesetzt oder im Bereich der Öse (6) befestigt wird, vorzugsweise indem das Fadenauge (7) in die Öse (6) eingeklipst, geklebt, gelötet, geschweisst oder eingeprägt wird.
- Verwendung eines einstückigen Rohlings 1 mit einem Profil, das wenigstens zwei Verdickungen (4a, 4b) und eine dazwischen angeordnete Schmalstelle (2) aufweist, zur Herstellung eines Bauteils, das eine Öse (6) aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3702001 | 2001-02-28 | ||
CH00370/01A CH695240A5 (de) | 2001-02-28 | 2001-02-28 | Weblitze und Verfahren zur Herstellung einer Weblitze. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1252944A2 true EP1252944A2 (de) | 2002-10-30 |
EP1252944A3 EP1252944A3 (de) | 2002-11-20 |
EP1252944B1 EP1252944B1 (de) | 2007-06-06 |
Family
ID=4513439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02002314A Revoked EP1252944B1 (de) | 2001-02-28 | 2002-01-31 | Weblitze und Verfahren zur Herstellung einer Weblitze |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1252944B1 (de) |
JP (2) | JP2002302842A (de) |
CH (1) | CH695240A5 (de) |
DE (1) | DE50210255D1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1908863A1 (de) * | 2006-10-06 | 2008-04-09 | Groz-Beckert KG | Weblitze für Jacquardwebmaschine |
EP2166138A1 (de) | 2008-09-23 | 2010-03-24 | Groz-Beckert KG | Jacquardlitze mit geprägtem Fadenaugenbereich |
EP3591104A1 (de) * | 2018-07-05 | 2020-01-08 | Groz-Beckert KG | Weblitze |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10309260A1 (de) * | 2003-03-03 | 2004-09-16 | Berger Gmbh | Verfahren zur Herstellung eines Gewebes und Weblitze, insbesondere zur Verwendung hierbei |
EP2224046B1 (de) * | 2009-02-26 | 2011-08-31 | Groz-Beckert KG | Kunststoff-Weblitze |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE214133C (de) * | 1908-10-14 | 1909-10-11 | Weblitze | |
US3960182A (en) * | 1975-04-07 | 1976-06-01 | Staeubli, Ltd. | Heddles for weaving machines having heddle frame bars for several heddles, which bars are moved by a shed-forming device |
EP0947620A1 (de) * | 1998-03-31 | 1999-10-06 | Staubli Lyon | Verfahren zur Herstellung einer Weblitze, Weblitze und Fachbildungsvorrichtung für eine Webmaschine |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5769873U (de) * | 1980-10-13 | 1982-04-27 | ||
CH692587A5 (de) * | 1997-09-16 | 2002-08-15 | Braecker Ag | Stabförmiges Fadenführungselement für Textilmaschinen, insbesondere Weblitze, und Verfahren zur Herstellung desselben. |
-
2001
- 2001-02-28 CH CH00370/01A patent/CH695240A5/de not_active IP Right Cessation
-
2002
- 2002-01-31 DE DE50210255T patent/DE50210255D1/de not_active Revoked
- 2002-01-31 EP EP02002314A patent/EP1252944B1/de not_active Revoked
- 2002-02-28 JP JP2002053611A patent/JP2002302842A/ja not_active Withdrawn
-
2008
- 2008-04-02 JP JP2008096492A patent/JP4542168B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE214133C (de) * | 1908-10-14 | 1909-10-11 | Weblitze | |
US3960182A (en) * | 1975-04-07 | 1976-06-01 | Staeubli, Ltd. | Heddles for weaving machines having heddle frame bars for several heddles, which bars are moved by a shed-forming device |
EP0947620A1 (de) * | 1998-03-31 | 1999-10-06 | Staubli Lyon | Verfahren zur Herstellung einer Weblitze, Weblitze und Fachbildungsvorrichtung für eine Webmaschine |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1908863A1 (de) * | 2006-10-06 | 2008-04-09 | Groz-Beckert KG | Weblitze für Jacquardwebmaschine |
EP2166138A1 (de) | 2008-09-23 | 2010-03-24 | Groz-Beckert KG | Jacquardlitze mit geprägtem Fadenaugenbereich |
EP2166139A1 (de) | 2008-09-23 | 2010-03-24 | Groz-Beckert KG | Jacquardlitze mit geprägtem Fadenaugenbereich |
US7963301B2 (en) | 2008-09-23 | 2011-06-21 | Groz-Beckert Kg | Jacquard heald with embossed thread eye region |
EP3591104A1 (de) * | 2018-07-05 | 2020-01-08 | Groz-Beckert KG | Weblitze |
Also Published As
Publication number | Publication date |
---|---|
CH695240A5 (de) | 2006-02-15 |
DE50210255D1 (de) | 2007-07-19 |
JP2008196106A (ja) | 2008-08-28 |
EP1252944B1 (de) | 2007-06-06 |
EP1252944A3 (de) | 2002-11-20 |
JP4542168B2 (ja) | 2010-09-08 |
JP2002302842A (ja) | 2002-10-18 |
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