EP1233096A2 - Machine à coudre multi-aiguille et méthode pour produire un motif de couture dans un ouvrage de couture - Google Patents

Machine à coudre multi-aiguille et méthode pour produire un motif de couture dans un ouvrage de couture Download PDF

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Publication number
EP1233096A2
EP1233096A2 EP02003310A EP02003310A EP1233096A2 EP 1233096 A2 EP1233096 A2 EP 1233096A2 EP 02003310 A EP02003310 A EP 02003310A EP 02003310 A EP02003310 A EP 02003310A EP 1233096 A2 EP1233096 A2 EP 1233096A2
Authority
EP
European Patent Office
Prior art keywords
needle
sewing
thread
needles
hook
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
Application number
EP02003310A
Other languages
German (de)
English (en)
Other versions
EP1233096A3 (fr
EP1233096B1 (fr
Inventor
Klaus Stutznäcker
Hartmut Klapp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Naehmaschinenfabrik Emil Stutznaecker GmbH and Co KG
Original Assignee
Naehmaschinenfabrik Emil Stutznaecker GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE10125108A external-priority patent/DE10125108B4/de
Application filed by Naehmaschinenfabrik Emil Stutznaecker GmbH and Co KG filed Critical Naehmaschinenfabrik Emil Stutznaecker GmbH and Co KG
Publication of EP1233096A2 publication Critical patent/EP1233096A2/fr
Publication of EP1233096A3 publication Critical patent/EP1233096A3/fr
Application granted granted Critical
Publication of EP1233096B1 publication Critical patent/EP1233096B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B55/00—Needle holders; Needle bars
    • D05B55/10—Needle bars for multiple-needle sewing machines
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B11/00—Machines for sewing quilts or mattresses
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B65/00—Devices for severing the needle or lower thread
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2207/00—Use of special elements
    • D05D2207/02—Pneumatic or hydraulic devices

Definitions

  • the invention relates to a multi-needle chain stitch sewing machine with stitch-forming Sewing elements, the at least one needle bar and attached needles and at least one gripper shaft to which gripper hooks are attached, the needles and the hook hooks each form a pair of sewing elements and are driven such that they each have a needle thread and a Looper thread chain stitches, especially double chain stitches, in one on one Sewing material support arranged sewing material, preferably in a multilayer configuration To run.
  • the invention further relates to a method for forming a sewing pattern in a sewing material, especially in a multi-layer version, in which means a variety of sewing organs, namely at least one needle and a hook, at least one sewing thread and at least one hook thread as a chain stitch, in particular as a double chain stitch.
  • Multi-needle lockstitch machines from multi-needle chainstitch sewing machines to distinguish.
  • US 5,005,499 discloses one Multi-needle lockstitch machine with one or more needle bars, each of which a plurality of stitch-forming needles is arranged.
  • Multi-needle lockstitch sewing machine can depend on individual needles of the sewing pattern to be sewn using a pneumatic cylinder between two positions be moved back and forth, these needles in a first position participate in the sewing process and are raised in a second position, that they do not pierce the material during the sewing process.
  • a needle pulls a thread lowest point of their path of movement and forms during their subsequent upward movement a thread loop. While the needle is after training the thread loop moves back to its highest position, a gripper grabs with a looper thread in the thread loop. When transporting the sewing material to the next stitch in the sewing direction and the next downward movement of the needle the gripper is pivoted back to its starting position while the Needles in a thread triangle spanned by the thread loop and the hook thread punctures and thus forms a chain link of the chain stitch seam.
  • the chain stitch or double chain stitch has the opposite of the lockstitch Advantage that it forms smooth seams and the so-called displacement puckering largely avoided, because the interlacing of needle and looper thread is not as in the lockstitch is pulled into the fabric, but on the underside of the substance.
  • the chain stitch or double chain stitch has the advantage that the needle thread compared to the lockstitch one much less abrasion, which is due to the fact that pro Stitch formation with a double chain stitch less thread through the eye of the needle is drawn here.
  • the chain stitch or double chain stitch shows hence the greater strength compared to the lockstitch.
  • the disadvantage with Chain stitch or double chain stitch is that even minor missing stitches or a thread break in the area of the needle and or looper thread leads to the thread chain being easily opened.
  • multi-needle chain stitch sewing machines are included in the state of the art stitch-forming sewing elements known.
  • such multi-needle chain stitch sewing machines one or more needle bars with attached Needles and a number of gripper shafts corresponding in number to the needle bars on which gripper hooks are attached. Needle bar and gripper shafts are arranged on opposite sides of a material support, which is designed as a perforated plate, with a needle hole in the for each needle Material support is provided.
  • a material support which is designed as a perforated plate, with a needle hole in the for each needle Material support is provided.
  • different sewing patterns can be formed in one sewing material. in this connection it can also be sewing patterns that are individual and identical or have different sewing pattern elements and spaced apart are.
  • Sewing material on the sewing material support not only in the main sewing direction, but also in the opposite direction and move at least at right angles to it.
  • chain stitches and double chain stitches it is necessary that every stitch is executed neatly, so utmost care regarding training a stitch is to be provided.
  • several sewing pattern elements arranged at a distance from each other in a sewing material, so after Completion of the first sewing pattern element move the sewing material to one place, on which the next sewing pattern element is to be sewn.
  • a needle bar carrying the needles in a raised position and one the Gripper carrying gripper shaft in a swiveled-back position.
  • the looper thread which is drawn off from a spool is along this way the bottom of the sewing material without being in this area the material is connected.
  • the object of the invention based on a multi-needle chain stitch sewing machine or a method for training to further develop a sewing pattern in a sewing material in such a way that in simple Additional and / or complementary patterns are sewn into the material can be.
  • a multi-needle chain stitch sewing machine according to the invention designed to be easily adaptable to predetermined sewing tasks his.
  • the arrangement of needles which are adjustable in height is therefore in accordance with the invention provided on a multi-needle chain stitch sewing machine. It should be taken into account that it is possible with lockstitch machines to use the needles during the sewing process lifting, which is not possible when chain stitches are formed, since this would produce skipped stitches that allow the thread chain to be opened. In addition to the ability to close the individual needles between two positions adjust, it is with a multi-needle chain stitch sewing machine as part of a backup The chain stitch seam required that at least in the range of the adjustable Needles each have a device for knotting the needle thread with the hook thread is provided for the automatic opening of the thread chain in this area to prevent.
  • a Cutting device for the needle and / or looper thread can be provided allows at least the needle thread with a corresponding length before or after the knotting has been carried out, without cutting the risk of automatic opening of the thread chain or the chain stitch seam exists. Consequently the invention provides a combination of a multi-needle chain stitch sewing machine height-adjustable needles, a device for knotting the needle thread and / or a cutting device for the needle and / or looper thread with which the above is presented in an unpredictable and advantageous manner Task can be solved.
  • Sewing pattern elements are advantageous. This is an additional example Sewing work in the edge area of the sewing material enables, which in particular Multi-layered material is advantageous in that there is an improved connection of the superimposed layers of material is achieved.
  • the adjustable between two positions The needles are arranged alternately with non-adjustable needles on the needle bar are.
  • an embodiment is also possible in which all needles of one or all needle bars adjustable between two positions are trained.
  • the between two positions adjustable needles are adjustable via a drive.
  • this drive has the needles adjustable between two positions a pump for a hydraulic or pneumatic pressure medium and at least one linear motor.
  • each Needle has its own linear motor as a drive and that via a hydraulic and / or pneumatic control individual needles are adjusted.
  • an alternative embodiment provides that the drive as an electromechanical Drive, in particular consisting of a rack and an electric motor driven, meshing with the rack pinion is formed.
  • the cutting device is designed as a knife blade.
  • the cutting device on the hook or on a sewing organ pair to assign assigned spreader.
  • the cutter on Gripper hook provided, so can by an additional pivoting movement Gripper shaft the cutting device on the gripper hook with the corresponding The thread can be brought into contact to ensure that the thread is of sufficient length cut off the last connection point between the hook thread and the needle thread.
  • the sewing material support is a sewing material transport device has, which the transport of the sewing material in at least two opposite Directions.
  • the sewing material transport device With the sewing material transport device, the sewing material is on the The material support is pushed in the sewing direction before activating the adjustable needles, whereby additional thread is withdrawn from a thread supply, to pull out the needle thread to a length before cutting the one automatic opening of the thread chain is excluded.
  • One of the solutions to the problem outlined above is one generic method provided that after the end of a stitch, preferably after completion of a sewing pattern element, at least one needle from a first one participating in the sewing process, in particular the stitch formation Position is transferred to a second position in which the needle at least on the following stitch, preferably a subsequent sewing pattern element, does not participate, the needle thread with the hook thread is connected in such a way that the last stitch is prevented from opening automatically becomes.
  • the needle thread with the hook thread is before or after the transfer the needle is knotted in the second raised position.
  • the knot is done in the simplest case by using needle and The looper thread is firmly tightened and thus drawn into the material, for example in that the sewing material is transported while a needle thread loop is still wrapped around the gripper. It is with further transport advantageous to loosen the needle and the looper thread tension, otherwise the danger is that the threads break. This prevents the thread seam opens automatically due to external influences.
  • the needle thread after the completion of a seam and the last stitch is cut and at the start of another sewing pattern element is in a second position. Is the needle thread with the Looper thread has been knotted, the needle thread can be cut off relatively short become. In contrast, is a knotting of the needle thread with the hook thread has been dispensed with or this knotting has been carried out inadequately the needle thread is cut off with a relatively long thread end.
  • the sewing material preferably before the start of the next sewing pattern element in the sewing direction is moved in order to extend the needle thread from a thread supply, before the needle thread is knotted and / or cut off with the hook thread becomes.
  • a sufficient length of the needle thread is provided, both for knotting with the needle thread and for the Cutting process is sufficient without the risk that the thread chain automatically opens and that the needle thread for the next sewing on Sewing pattern element has a sufficient length.
  • needle bar Needles are simultaneously transferred from the first to the second position. It can also be provided here that all needles are moved from the same time first into the second position or vice versa.
  • Another feature of the method according to the invention also provides that the needle (s) is moved hydraulically, pneumatically or electromechanically or become.
  • the needle or needles are programmable Control is or will be controlled.
  • the programmable controller runs preferably in analogy to one or more sewing patterns.
  • a sewing pattern in a computer or several sewing patterns, preferably a plurality of sewing pattern elements have, are stored.
  • the data of these sewing patterns are over the programmable control to a known transport device for the sewing material as well as to the needles, so that a fully automatic Control of the multi-needle chain stitch sewing machine is possible without having to During the sewing process, modifications to the machine become necessary.
  • the control technology can also provide that the saved sewing pattern or sewing pattern elements combined and to control the needles be used.
  • a multi-needle chain stitch sewing machine has a machine frame 1, in which there is a row of needles 2 in the upper part, the individual driven needles 31 being substantially perpendicular to the Image plane are arranged side by side.
  • Reference number 3 is a common one Presser foot and with 4 a gripper row corresponding to the row of needles 2.
  • a needle plate 13 below the layers of the material to be sewn in the sewing area there is a needle plate 13 or a sewing table. This stitch plate 13 serves as Sewing material.
  • the sewing material consists of an upper layer 6, for example an outer fabric, a mattress cover or the like and is withdrawn from a storage roll 5 and below a platform for the operator around pulleys 8, 9, 10, 11 and 12 in the sewing area, i.e. in the area between the Presser foot 3 and the throat plate 13 or the sewing material support.
  • This location 6 of the sewing material consists of inelastic material.
  • the Another layer 15 of elastic material, for example foam, is sewn material on which is stored on a storage roller 14.
  • Layer 15 in turn guide or deflection rollers 16, 17, 18 and 19 are provided.
  • the layer 15 made of elastic material is in the sewing unit with the upper layer sewn from inelastic material and a further layer 21 and as finished the sewn material 28 is pulled out of the sewing unit in the direction of arrow 29, the supply of the layers 6, 15 and 21 through the finished Sewing well 28 acting force is provided.
  • the finished sewing material 28 passes through after the sewing unit a route with deflection or guide rollers 25, 26 and 27, which i.a. a tightening of the sewing material 28 in the exit area of the sewing unit provide.
  • the lower layer 21, which is pulled from a storage roll 20, is about Deflection or guide rollers 22, 23 and 24 fed to the sewing unit, wherein the lower layer 21 according to FIG. 1 also together with the upper layer 6 and the position 15 of the deflection roller 12, which will be described in detail below can be fed.
  • the guide roller 12 is arranged opposite a support 30, the Distance to the outer circumference of the deflection roller 12 and the support 30 adjustable is, i.e. that either the guide roller 12 is movable relative to the support 30 or that the support 30 is movable relative to the deflection roller 12. Alternatively, you can be seen that both the support 30 and the guide roller 12 in a vertical direction Direction are adjustable.
  • This configuration serves to adapt the Multi-needle chain stitch sewing machine at different layers 6 and 15, whereby the layer 15 is made of elastic material much stronger than the layer 6 made of inelastic material. It is necessary that the deflection roller 12 with a certain pressure on the layer 6, 15 acts to the required frictional forces provide.
  • FIG. 2 it can be seen that the presser foot 3 and the throat plate 13 or sewing material support in the longitudinal direction of the machine frame 1 is not movable are.
  • the pad 30 is relative to the presser foot 3 and the throat plate 13 movably arranged in the longitudinal direction of the machine frame 1; so that the sewing material, of which only the upper layer 6 in FIG. 2 is made of inelastic Material is shown, is movable relative to the rows of needles 2 such that any sewing pattern can be transferred to the material.
  • a sewing pattern 32 to be applied for example, is shown on the layer 6.
  • An electric motor is in the machine frame 1 for moving the support 30 35 is provided, which has a pinion 37 on its drive shaft 36, which Pinion 37 meshes with a toothing of a rack 38 which is fixed to the support 30 is connected.
  • the needles 31 are parallel in two rows of needles running towards each other and one behind the other in the sewing direction 2 are arranged.
  • a gripper of a gripper row 4 is assigned to each needle 31.
  • the gripper row 4 is formed here by a gripper shaft 33 which oscillating via an eccentrically designed drive, not shown is moved. This oscillating movement is transferred to that at the Gripper shaft 33 attached grippers that interact with the oscillating Insert up and down needles 31 double chain stitches into the sewing material 28.
  • each needle 31 brings a thread, not shown, to the deepest Point of their path, which is below the sewing material 28 between the presser foot 3 and the throat plate 13 lies in an area that the needle located there 31 assigned grippers one left there when the needle 31 moves upwards Can take a loop. While the needle 31 from its deepest Position is moved back to its highest position, the gripper moves in Direction of the thread grinder and carries a looper thread into the thread loop of the needle thread.
  • the sewing material 28 is transported in the direction of the arrow 29, before the needle 31 moves again from its highest position to its lowest position becomes.
  • the gripper swivels into its starting position back, being made up of the thread loop of the needle thread and the looper thread forms a triangle of threads into which the needle 31 sticks.
  • a Double chain stitch consisting of a needle thread on the top of the Sewing material rests and the sewing material penetrates and one on the underside of the Sewing material overlying looper thread is formed.
  • the individual needles 31 of a row of needles 2 are replaceable on a needle bar 34 attached so that the needle bar 34 corresponding to the desired Sewing pattern 32 can be equipped with needles 31.
  • FIG. 3 it is provided for this purpose that part of the Needles 31 are formed with a drive 39, which enables these needles 31 to adjust between two positions, the needles 31 in a first Take part in the sewing process and in a second position during of the sewing process do not pierce the material.
  • Each needle 31 adjustable between two positions has its own drive 39, which consists of a linear motor 40, which linear motor 40 one has pneumatically driven and spring-loaded piston 41, at its free End of the needle 31 is inserted into an axially aligned bore.
  • the piston 41 has a not shown between the needle 31 aligned lower end of the drive 39 and a piston disc Spring on which holds the piston in its starting position in one position holds in which the needle 31 does not participate in the sewing process. If the piston 41 over an energy line 42 is pressurized with compressed air, so it moves against Spring force of the spring, not shown, in the direction of the workpiece 28, see above that in this position he holds the needles in their first position in which they are on Participate in the sewing process. If the compressed air supply to piston 41 is interrupted, the spring, not shown, pushes the piston 41 into the above described starting position back.
  • the linear motors 40 are via L-shaped angle plates 43 with the needle bar 34 screwed.
  • Figure 3 shows three in their positions adjustable needles 31 and a fixed needle 31, which consequently constantly participates in the sewing process.
  • the fixed needles 31 can be detached from the needle bar via a needle holder 44 34 attached.
  • the attachment of the needle holder 44 and the Angle plates 43 by means of screws that can be detached in a simple manner.
  • the multi-needle chain stitch sewing machine has a cutting device that works as a cutting knife 45 is formed, each gripper having such a cutting knife 45.
  • the gripper shaft 33 executes a complementary movement that is via an eccentric drive is initiated. During this movement, the cutting knife 45 comes into contact brought with the needle thread so that the needle thread cut over it becomes. It can also be provided that the cutting of the needle thread over an additional transport movement of the sewing material 28 takes place, so that the tensioned Needle thread drawn into the area of the cutting knife 45 and there is cut.
  • the adjustable Needles 31 additional seams are introduced during the sewing process can without having to retrofit the multi-needle chainstitch sewing machine it would be necessary to have additional needles 31 on the sewing bar 34 need to be attached.
  • a knotting device can be provided, which in the last stitch Needle thread knotted with the hook thread to prevent it from opening automatically.
  • the needle 31 can also be rotated relative to the sewing bar 34 be provided.
  • an axis of rotation runs on which the Needle 31 is articulated, parallel to the surface normal of the needle bar 34, whereas the axis of rotation in the pivotable alternative described first Needles 31 extend in the longitudinal direction of the needle bar 34.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
EP02003310A 2001-02-14 2002-02-13 Machine à coudre multi-aiguille et méthode pour produire un motif de couture dans un ouvrage de couture Expired - Lifetime EP1233096B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE10107101 2001-02-14
DE10107101 2001-02-14
DE10113955 2001-03-22
DE10113955 2001-03-22
DE10125108 2001-05-23
DE10125108A DE10125108B4 (de) 2001-02-14 2001-05-23 Vielnadelkettenstichnähmaschine und Verfahren zur Ausbildung eines Nähmusters in einem Nähgut

Publications (3)

Publication Number Publication Date
EP1233096A2 true EP1233096A2 (fr) 2002-08-21
EP1233096A3 EP1233096A3 (fr) 2003-07-02
EP1233096B1 EP1233096B1 (fr) 2006-06-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02003310A Expired - Lifetime EP1233096B1 (fr) 2001-02-14 2002-02-13 Machine à coudre multi-aiguille et méthode pour produire un motif de couture dans un ouvrage de couture

Country Status (3)

Country Link
US (1) US6895878B2 (fr)
EP (1) EP1233096B1 (fr)
DE (1) DE50207239D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010086744A3 (fr) * 2009-01-30 2011-08-11 Alberto Landoni Machine et procédé de couture, de broderie, de matelassage et/ou autres employant des aiguilles à coudre incurvées à déplacement correspondant de barres d'aiguille
US8250997B2 (en) 2008-11-26 2012-08-28 Nähmaschinenfabrik Emil Stutznäcker GmbH & Co. KG Multiple needle sewing machine
EP2599909A1 (fr) * 2004-03-19 2013-06-05 L & P Property Management Company Machine à piquer à aiguilles horizontales multiples et procédé associé

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US7789028B2 (en) * 2002-03-06 2010-09-07 L&P Property Management Company Chain-stitch quilting with separate needle and looper drive
DE60332325D1 (de) * 2002-03-06 2010-06-10 L & P Property Management Co Mit mehreren nadeln ausgerüstete horizontal- steppmaschine sowie entsprechendes verfahren
MXPA06010688A (es) * 2004-03-19 2007-02-19 L & P Property Management Co Maquina de acolchado de agujas multiples horizontal y metodo.
US7140313B2 (en) * 2004-10-20 2006-11-28 Neustat Paula S Antiquing whole cloth quilt fabric
CA2622004C (fr) * 2005-09-09 2012-11-13 L & P Property Management Company Procede et machine a piquer a multiples aiguilles horizontales
US7735439B1 (en) 2006-02-22 2010-06-15 Atlanta Attachment Company Panel quilting machine
US7597059B2 (en) 2006-10-12 2009-10-06 Nahmaschinenfabrik Emil Stutznacker Gmbh & Co. Kg Method and apparatus for manufacturing a sewing product
KR100850194B1 (ko) 2007-07-16 2008-08-04 유덕영 퀼팅머시인용 1인치 및 1.5인치 혼합형 니들 어셈블리 장치
US8627515B1 (en) * 2009-10-31 2014-01-14 Harold Lamont Scott Multifaceted lightweight collapsible hat
ES2411918T3 (es) * 2010-02-17 2013-07-09 Nähmaschinenfabrik Emil Stutznäcker GmbH & Co. KG Procedimiento para la operación de una máquina de coser y máquina de coser
US8739716B2 (en) * 2010-02-23 2014-06-03 Atlanta Attachment Company Automated quilting and tufting system
US8776295B2 (en) 2011-05-23 2014-07-15 L&P Property Management Company Multi-needle quilting tape guide apparatus and method
US10156035B2 (en) 2017-03-15 2018-12-18 Card-Monroe Corp. Shift mechanism for a tufting machine
US10781544B2 (en) 2017-05-11 2020-09-22 L&P Property Management Company Quilting machine
US10260184B2 (en) 2017-05-11 2019-04-16 L&P Property Management Company Quilting machine
US11718935B2 (en) 2022-01-12 2023-08-08 Louisville Bedding Company Quilted border loop sidewall panel for bed mattress or foundation and method of making same

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2599909A1 (fr) * 2004-03-19 2013-06-05 L & P Property Management Company Machine à piquer à aiguilles horizontales multiples et procédé associé
EP1740750A4 (fr) * 2004-03-19 2014-08-13 L & P Property Management Co Machine a piquer a aiguilles horizontales multiples et procede associe
US8250997B2 (en) 2008-11-26 2012-08-28 Nähmaschinenfabrik Emil Stutznäcker GmbH & Co. KG Multiple needle sewing machine
WO2010086744A3 (fr) * 2009-01-30 2011-08-11 Alberto Landoni Machine et procédé de couture, de broderie, de matelassage et/ou autres employant des aiguilles à coudre incurvées à déplacement correspondant de barres d'aiguille
US8695518B2 (en) 2009-01-30 2014-04-15 Alberto Landoni Machine and method for sewing, embroidering, quilting and/or the like employing curved sewing needles with corresponding movement of needle bars

Also Published As

Publication number Publication date
EP1233096A3 (fr) 2003-07-02
US6895878B2 (en) 2005-05-24
US20040000261A1 (en) 2004-01-01
DE50207239D1 (de) 2006-08-03
EP1233096B1 (fr) 2006-06-21

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