EP2453050B1 - Machine à coudre et procédé destiné à coudre un début de couture à l'aide d'une telle machine à coudre - Google Patents

Machine à coudre et procédé destiné à coudre un début de couture à l'aide d'une telle machine à coudre Download PDF

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Publication number
EP2453050B1
EP2453050B1 EP11186488.0A EP11186488A EP2453050B1 EP 2453050 B1 EP2453050 B1 EP 2453050B1 EP 11186488 A EP11186488 A EP 11186488A EP 2453050 B1 EP2453050 B1 EP 2453050B1
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EP
European Patent Office
Prior art keywords
thread
needle
needle thread
pulling
hook
Prior art date
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Active
Application number
EP11186488.0A
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German (de)
English (en)
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EP2453050A1 (fr
Inventor
Johann Enns
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.)
Duerkopp Adler AG
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Duerkopp Adler AG
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Publication of EP2453050A1 publication Critical patent/EP2453050A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B47/00—Needle-thread tensioning devices; Applications of tensometers
    • D05B47/04—Automatically-controlled tensioning devices
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B47/00—Needle-thread tensioning devices; Applications of tensometers

Definitions

  • the invention relates to a sewing machine according to the preamble of claim 1. Furthermore, the invention relates to a method for sewing a seam beginning with such a sewing machine.
  • a generic sewing machine is known from the EP 2 028 311 A2 and from the DE 102 34 251 A ,
  • the DE 28 15 297 A1 describes a controlled thread clamping device for a needle thread.
  • the post-published DE 10 2010 003 180 B3 describes a device for providing a sewing thread.
  • the EP 2 028 311 A2 describes a sewing machine for sewing a seam beginning.
  • the US 5,931,107 describes a sewing machine for sewing textile composite materials.
  • the US 3,584,589 describes a thread cutting device.
  • the FR 2.091.594 describes a mechanism for controlling a needle thread of a sewing machine.
  • the DE 20 2007 009 565 U1 describes a thread puller of a sewing machine.
  • the upper thread tensioning means may be divided into a upper thread main tensioning device and an upper thread biasing device.
  • a thread pulling device can be integrated with little structural effort in an upper thread guide.
  • a drive for displacing the thread eyelet can be effected by means of a lifting cylinder or a lifting magnet.
  • a positioning drive for the boom of the thread pulling device may comprise a stepper motor.
  • An eyelet arrangement according to claim 3 optimizes the thread-pulling effect of the thread pulling device.
  • the two fixed thread guide eyelets are arranged in the thread path near the pivotable thread eyelet.
  • a distance between the pivotable thread eyelet in the neutral position and the two fixed thread guide eyelets fixed to the housing can be less than 2 cm and can also be less than 1 cm.
  • An arrangement of the thread pulling device according to claim 4 allows integration of the thread pulling device and the upper thread clamp in a structural unit, which can be mounted together.
  • the advantages of a method according to claim 6 and 7 correspond to those which have already been explained above in connection with the device.
  • the counter-rotation position can be reached after a rotation of the hook tip by at least 180 ° after the detection rotational position, for example, after one of the hook tip by 240 ° or 245 °. Due to the maintenance of the thread clamping position during at least a part of the gripper rotation after the detection of the upper thread by the gripper is achieved that the upper thread end is pulled at the seam beginning with the gripper through the fabric down.
  • the tightening of the upper thread when changing the thread pulling device from the neutral position to the thread pulling position causes the thread lever when he raises again below, with the upper thread clamp released, the upper thread at the beginning of the seam by the path difference of the upper thread, by the conversion of the thread pulling device is brought back, predetermined length amount withdraws.
  • the changeover of the thread pulling device from the neutral position to the thread pulling position can take place during the first stitch of the beginning of the seam.
  • the changeover can alternatively take place during the second stitch, during the third stitch or during an even later stitch when sewing the beginning of the seam.
  • the return of the thread pulling device from the thread pulling position to the neutral position can be incremental during further sewing in small steps.
  • the reset can also be done at the end of the sewing process.
  • the switching to the neutral position can be done for example in a final thread cutting process of the sewing machine.
  • a time delay according to claim 8 has been found to ensure a reliable sequence for the upper thread withdrawal at the beginning of the seam.
  • the time delay should not fall below a certain minimum value for the withdrawal to be reliable.
  • An absolute time delay according to claim 9 has proven to be particularly suitable for ensuring a reliable operation of the thread pulling device.
  • Relieving a fabric presser according to claim 10 prevents that when pulling the upper thread through the fabric down through the gripper of the upper thread is undesirable clamped by the fabric presser.
  • a sewing machine 1 has an upper arm 2 and a lower case-like base plate 3, which are interconnected by a stand 4 to a C-shaped housing.
  • the arm 2 is an arm shaft 5 (see. Fig.2 ), which is driven by a motor accommodated by means of a belt drive accommodated in the stand 4.
  • a central control device 6 is connected, which in the Fig. 1 is shown schematically in the upper arm 2, but also at a different location and also relative to the sewing machine 1 can be arranged externally and connected thereto, for example via a cable harness.
  • a needle bar 7 is driven up and down, at the lower end of a needle 8 is mounted. Through an eye of the needle 8, an upper thread 9 (see. Fig. 2 ).
  • a gripper 10 is arranged, which in a conventional manner derived from the arm shaft 5 about a vertical axis of rotation 11 (see. Fig. 2 ) is rotary drivable.
  • a bobbin or thread winding housing 12 of the gripper 10 is a supply of a lower thread 13 (see. Fig. 7 ).
  • Fig. 2 shows the leadership of the upper thread 9 of the sewing machine 1 in detail.
  • a first upper thread clamp 14 is arranged, which has a clamping plate 15 which is displaceable relative to a base 16 of the first needle thread clamp 14.
  • the main body 16 represents a mounting plate which is attached to the head of the sewing machine 1.
  • the first upper thread clamp 14 is in signal communication with the control device 6 and is displaceable between a thread clamping position in which the upper thread 9 is clamped at the location of the first upper thread clamp 14, and a thread release position in which the first upper thread clamp 14 releases the upper thread 9.
  • the upper thread 9 runs substantially vertically.
  • a passage location of the upper thread 9 through the first upper thread clamp 14 can be predetermined by means of a plurality of thread passage openings 17 in the base body 16.
  • the upper thread 9 extends in the second thread-through opening 17 from the right of a total of five arranged transversely to the yarn transport direction yarn passage openings.
  • a thread lever 18 is arranged, whose up and down movement is also derived from the arm shaft 5 in a conventional manner. Between a arranged at the free end of the thread lever 18 thread lever eye 19 and the first upper thread clamp 14 of the upper thread 9 still passes through a guide eye 20, the on in the Fig. 2 upper end of the base 16 is attached.
  • the upper thread 9 passes through a needle thread main tensioning device 21.
  • the latter has two operating in a conventional manner and in the upper thread transport direction directly behind one another arranged main voltage generator 22.
  • the upper thread main tensioning device 21 is in signal communication with the central control device 6.
  • the main voltage generator 22 set the upper thread 9 when activated, ie when a thread tension fan cylinder falls, by the control device 6 below a predetermined thread tension.
  • the yarn tension fan cylinder is not shown in the drawing.
  • the main voltage generator 22 can also be used to clamp the upper thread 9 at the location of the main voltage generator 22.
  • a thread pulling device 24 is arranged in the course of the upper thread 9.
  • the thread pulling device 24 has a pivotable arm 25, which is articulated via a pivot joint 26 on the clamping plate 15 of the upper thread clamp 14.
  • the thread pulling device 24 is thus mounted on the clamping plate 15 of the upper thread clamp 14.
  • the boom 25 of the thread pulling device 24 has a thread eye 27, which is transverse to the yarn path of the upper thread 9 between two attached to the base body 16 fixed to the guide eyelets 28 is deflectable.
  • the boom 25 is changeable between a in the Fig. 2 shown neutral position and one in the Fig.
  • the two housing-fixed guide eyelets 28 cause regardless of whether the boom 25 is in the thread-pulling position or in the neutral position, the upper thread 9 outside the course between the two housing-fixed guide eyelets 28 each takes the same course.
  • the boom 25 is convertible between the neutral position and the thread pulling position by an electromagnetic drive, which in turn is in signal communication with the control device 6.
  • an electromagnetic drive the boom 25 can also be driven pneumatically or by a stepping motor.
  • an upper thread biasing device 29 is arranged, which also operates in a manner known per se and can be in signal communication with the control device 6.
  • the upper thread main tensioning device 21 with the two main tension sensors 22 and the upper thread biasing device 29 are attached to a mounting plate 30, which in turn is mounted on the arm 2 (see FIG. Fig. 1 ).
  • the upper thread 9 passes through a thread passage opening 31, which in the mounting plate 30 in a in the Fig. 2 upper and forward by about 90 ° bent edge region is executed.
  • a bobbin Upstream of the thread passage opening 31, a bobbin, not shown, is arranged as an upper thread supply.
  • the Fig. 2 to 6 show a current angle of rotation of the arm shaft 5.
  • a rotational angle scale 33 is arranged, the one full revolution of the arm shaft 5 divided into 360 angle steps indicating. This degree of rotation angle scale 33 will be referred to in the following.
  • a sewing material plane is defined by a support position of sewing material 34 (cf. Fig. 7 ) is set on a needle plate 35 of the sewing machine 1.
  • Fig. 2 shows the Armwellengnagnagnagna himself 0 °.
  • the needle bar 7 is at top dead center. This position is selected at the beginning of the sewing, ie at the beginning of the seam, because there is the largest passage under the needle 8 for inserting the material 34.
  • the upper thread clamp 14 In position 0 °, the upper thread clamp 14 is in the thread release position.
  • the upper thread main tensioning device 21 is activated.
  • the thread pulling device 24 is in the neutral position.
  • the upper thread biasing device 29 is activated.
  • the thread lever 18 is on the way from bottom dead center to the top.
  • the Fig. 3 shows the arm shaft 5 in the position 205 °.
  • the needle bar 7 is a little way from its bottom dead center, at 180 ° was reached, returned again, so that next to the eye of the needle 8 in the Fig. 3 invisible upper thread loop has formed.
  • a in the Fig. 3 also not visible gripper tip of the gripper 10 engage in the upper thread loop and then take the upper thread 9.
  • the upper thread clamp 14 is activated in the thread clamping position.
  • the upper thread main tensioning device 21 is activated.
  • the thread pulling device 24 is in the neutral position.
  • the upper thread biasing device 29 is activated.
  • the thread lever 18 is on its way to bottom dead center. The thread lever 18 is already removed from its top dead center, so that between the upper thread clamp 14 and the upper thread main tensioning device 21 results in a yarn excess, the thread there is therefore not tense, as in the Fig. 2 shown.
  • This excess thread is approximately twice the distance of the thread lever eye 19 from top dead center of the thread lever 18 to in the Fig. 2 illustrated position 205 °. From position 205 ° begins the gripper 10 with his engaging in the upper thread loop hook tip to take off the upper thread.
  • Fig. 4 shows the Armwellengnagnagna 1000 °.
  • the thread lever eye 19 is in the area of bottom dead center.
  • Oberfadenzug continued by the gripper 10.
  • the upper thread 9 is pulled by the gripper 10 through the fabric down.
  • the discharge of the presser foot 37 which was active between the Armwellengnadianen 205 ° and 300 °, is now so disabled again.
  • the upper thread clamp 14 is now transferred to the thread release position.
  • the upper thread main tensioning device 21 is activated and keeps the upper thread 9 under tension.
  • the boom 25 of the thread pulling device 24 is in the neutral position.
  • the upper thread biasing device 29 is activated. In the position 300 °, the free end 36 of the upper thread 9 has been pulled by the gripper 10 further down.
  • the gripper 10 pulls a free end 36 of the upper thread 9 through the fabric 34 down.
  • the thread lever 18 pulls the upper thread 9 in the fabric 34, as will become apparent from the following description.
  • the free end 36 is then out of the sewing material 34 by a correspondingly smaller amount of the thread length.
  • Fig. 5 shows at the next stitch the Armwellen ein 325 °. Opposite the position Fig. 3 has the arm shaft 5 in Näh Anlagenscardi thus rotated by 120 ° (actually 480 °) on.
  • the thread lever eye 19 is in the position 325 ° in an incipient upward movement to the bottom dead center.
  • the gripper 10 has also compared to the position Fig. 3 rotated by 240 ° (actually 960 °) about the axis of rotation 11.
  • the thread lever 18 is retracted in the course of Armwellenfitung the upper thread 9 in the area of the formed stitch and indeed by the amount that the Upper thread 9 now takes an extended course in the area of the thread pulling device 24.
  • Fig. 6 shows the Armwellengnagnagnagna needle 8 °.
  • the needle 8 is on the way down.
  • the upper thread clamp 14 is in the release position.
  • the upper thread main tensioning device 21 is activated.
  • the upper thread biasing device 29 is activated.
  • the thread pulling device 24 is in the thread pulling position. In the thread-pulling position, the thread pulling device 24 remains during the entire course of the seam formation.
  • This increment per stitch is so small that a yarn path smaller than the stitch length is returned to the thread pulling device 24 per increment changeover operation.
  • the additional thread path which was created over the detour of the upper thread 9 via the retracted into the thread pulling thread pulling device 24, returned to the movement of the thread lever 18 again, without affecting the further seam formation.
  • the activation of the thread pulling device 24 in the thread pulling position at the Armwellen ein 325 ° causes the free end 36 of the upper thread 9 with the thread lever 18 by the fabric 34, in the course, retracted and thus shortened.
  • the conversion of the thread pulling device 24 from the neutral position to the thread pulling position can also be done at the first stitch, at the third stitch, or at an even later stitch.
  • the status information "seam beginning” in the control device 6 is converted into "running seam".
  • a renewed change to "seam beginning” takes place after a thread trimming operation via the control device 6.
  • This status information is queried during the further sewing process.
  • the thread pulling device 24 is only actuated if the status information "seam beginning" is present.
  • the thread pulling device 24 is returned to the neutral position. This can, as already mentioned above, also occur incrementally during seam formation.
  • the length of the over the fabric 34 protruding free end 36 can be specified by the angular position of the boom 25 in the thread pulling position.
  • a plurality of initial thread lengths can be preselected.
  • the angular position of the arm 25 triggered by the control device 6 results in the thread pulling position.
  • a thread-pulling length which leads to a corresponding initial thread length, can alternatively also be set via a mechanical stop for the boom 25.
  • the thread pulling device 24 is changed from the neutral position to the thread pulling position 50 ms after the control of the upper thread clamp 14.
  • the time delay is predetermined by the control device 6, and is essentially dependent on the changeover time, which is responsible for a reliable switchover of the upper thread clamp 14.
  • This reduced arm shaft speed is also specified by the control device 6. Since the first pass occurs at a fixed arm shaft speed, the time delay of the changeover of the thread pulling device 24 after the activation of the upper thread clamp 14 results in a constant value of, for example, 50 ms.
  • the method for sewing the seam beginning can be described as follows. First, the upper thread loop is formed. Subsequently, the upper thread loop is grasped with the looper tip of the looper 10 in a detection rotation position of the looper tip. Subsequently, the upper thread 9 with the gripper tip of the gripper 10 during one revolution of the gripper tip of the gripper 10 to the gripper housing of the gripper 10 by about 240 ° to 250 °, in particular by 245 °, until reaching the detection rotational position opposite counter-rotation position moved out. From the detection rotational position, the gripper tip of the gripper 10 rotates to the counter-rotational position, ie at least half a revolution around the gripper housing of the gripper 10. After reaching the counter-rotational position of the hook tip of the gripper 10, the thread pulling device 24 from the neutral position converted to the thread pulling position.
  • the Fadenwegdifferenz which is brought about by the conversion of the boom 25 between the neutral position and the thread pulling position, 34 can be specified depending on a thickness of the fabric.
  • the thickness of the fabric 34 may or may not be adjusted by the user be measured by a thickness sensor, not shown in the drawing.
  • the control device 6 may also be in signal communication with the Ndozensgut-thickness sensor.
  • the main voltage generator 22 can be released for a thread trimming operation at the end of the sewing process, so that there is no thread tension at the location of the main voltage generator 22.
  • the main voltage generator 22 generates the thread tension required for sewing.
  • This thread clamping function of the main voltage generator 22 can be used in sewing tasks in which the upper thread 9 is exposed to high friction in the fabric.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Claims (10)

  1. Machine à coudre (1)
    - comprenant un carter (2, 3, 4),
    - comprenant une réserve pour un fil supérieur (9),
    - comprenant une barre à aiguilles (7), comportant une aiguille (8) à coudre pour le guidage du fil supérieur (9) à travers une pièce à coudre (34), l'aiguille (8) à coudre pouvant se déplacer vers le haut et vers le bas, entraînée verticalement entre un point mort inférieur et un point mort supérieur,
    - comprenant une griffe (10) pour la saisie du fil supérieur (9) pendant la formation d'un point,
    - comprenant un tendeur (18) de fil pour tirer une boucle de fil supérieur (9),
    - comprenant un pince-fil (14) supérieur pouvant être amorcé entre la griffe (10) et le tendeur (18) de fil du côté de la réserve de l'enroulement du fil supérieur,
    - comprenant un dispositif de tension (21) de fil supérieur de l'enroulement du fil supérieur au niveau de la réserve, qui place le fil supérieur (9) à une tension de fil définie à l'état activé,
    caractérisée par
    - un dispositif de traction (24) de fil dans l'enroulement du fil supérieur entre le pince-fil (14) supérieur et le tendeur (18) de fil, qui peut être réglé, piloté entre
    -- une position neutre, dans laquelle le fil supérieur (9) adopte un premier trajet de fil entre le tendeur (18) de fil et la griffe (10),
    -- une position de traction du fil, dans laquelle le fil supérieur (9) adopte un second trajet de fil entre le tendeur (18) de fil et la griffe (10), qui est plus long, comparativement au premier trajet de fil, d'une longueur équivalente à une fois la différence de trajet du fil.
  2. Machine à coudre selon la revendication 1, caractérisée en ce que le dispositif de traction (24) du fil présente un balancier (25), pouvant pivoter, sur lequel est disposé, perpendiculairement par rapport au parcours du fil, à l'extrémité pouvant pivoter, un oeillet (27) pour le fil.
  3. Machine à coudre selon la revendication 2, caractérisée en ce que l'oeillet (27) pour le fil est disposé entre deux oeillets de guidage (28) du fil, faisant partie du carter, dans l'enroulement de fil supérieur, en position neutre.
  4. Machine à coudre selon l'une des revendications 1 à 3, caractérisée en ce que le dispositif de traction (24) du fil est monté sur une plaque de serrage (15) du pince-fil (14) supérieur.
  5. Machine à coudre selon l'une des revendications 1 à 4, caractérisée par exactement un pince-fil (14) supérieur du côté de la réserve de l'enroulement du fil supérieur.
  6. Procédé destiné à coudre un début de couture à l'aide d'une machine à coudre selon l'une des revendications 1 à 5, comprenant les étapes suivantes :
    - formation d'une boucle de fil supérieur,
    - saisie de la boucle de fil supérieur à l'aide d'une pointe de griffe d'une griffe (10) dans une position en rotation permettant la prise de celle-ci,
    - mise sous tension du fil supérieur (9) à l'aide de la pointe de griffe de la griffe (10) pendant au moins une demie rotation de la pointe de griffe autour du carter de griffe de la griffe (10) jusqu'à atteindre une position en rotation opposée à la position en rotation permettant la prise,
    - après avoir atteint la position de rotation opposée de la pointe de griffe de la griffe (10), changement de réglage du dispositif de traction du fil de la position neutre vers la position de traction du fil.
  7. Procédé selon la revendication 6 comprenant les étapes suivantes :
    - formation d'une boucle (36) de fil supérieur par la levée de la barre à aiguilles (7) avec l'aiguille (8) à coudre, en partant d'un point mort inférieur, jusqu'à une position de levée de la boucle entre le point mort inférieur et le point mort supérieur, cette levée s'effectuant pour un pince fil (14) supérieur ouvert et pour un dispositif de traction (24) du fil en position neutre,
    - après avoir atteint la position de levée de la boucle de la barre d'aiguilles (7) : mise en oeuvre d'une position de pincement du fil du pince-fil (14) supérieur et maintien de la position de pincement du fil du pince-fil (14) supérieur pendant au moins une partie d'une rotation de la griffe après la saisie et la mise sous tension du fil supérieur (9) par la griffe (10), le fil supérieur étant soumis à un étirement,
    - changement de réglage du dispositif de traction (24) du fil de la position neutre vers une position de traction du fil, de sorte que le fil supérieur (9) est étiré entre le tendeur (18) de fil et le pince-fil (14) supérieur lorsque le tendeur (18) de fil est abaissé,
    - remise en place du dispositif de traction (24) du fil en position neutre.
  8. Procédé selon les revendications 6 ou 7, caractérisé en ce qu'un décalage en temps d'un changement de réglage du dispositif de traction (24) du fil après l'amorçage d'un pince-fil (14) supérieur est prédéfini indépendamment du nombre de tours d'un arbre de bras (5) de la machine à coudre (1).
  9. Procédé selon la revendication 8, caractérisé en ce que le dispositif de traction (24) du fil est changé de réglage environ 50 ms après l'amorçage du pince-fil (14) supérieur dans la position de traction du fil.
  10. Procédé selon l'une des revendications 6 à 9, caractérisé en ce qu'au moins au début de l'étirement du fil supérieur (9), un presseur (37) du tissu de la machine à coudre (1) est délesté.
EP11186488.0A 2010-11-15 2011-10-25 Machine à coudre et procédé destiné à coudre un début de couture à l'aide d'une telle machine à coudre Active EP2453050B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010043906A DE102010043906A1 (de) 2010-11-15 2010-11-15 Nähmaschine sowie Verfahren zum Nähen eines Nahtanfangs mit einer derartigen Nähmaschine

Publications (2)

Publication Number Publication Date
EP2453050A1 EP2453050A1 (fr) 2012-05-16
EP2453050B1 true EP2453050B1 (fr) 2014-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11186488.0A Active EP2453050B1 (fr) 2010-11-15 2011-10-25 Machine à coudre et procédé destiné à coudre un début de couture à l'aide d'une telle machine à coudre

Country Status (5)

Country Link
EP (1) EP2453050B1 (fr)
KR (1) KR101862871B1 (fr)
CN (1) CN102535038B (fr)
DE (1) DE102010043906A1 (fr)
TW (1) TWI498467B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012221060B3 (de) * 2012-11-19 2014-02-06 Dürkopp Adler AG Nähmaschine
DE102015223194B3 (de) * 2015-11-24 2017-02-23 Dürkopp Adler AG Verfahren zum Erzeugen eines Naht-Anfangsoberfadens mit kurzem Soll-Nahtüberstand sowie Baugruppe zur Durchführung des Verfahrens
DE102017201240A1 (de) * 2017-01-26 2018-07-26 Dürkopp Adler AG Verfahren zur Erzeugung eines Naht-Anfangsoberfadens einer in Nähgut auszubildenden Naht mit einem definierten Soll-Nahtüberstand sowie Nähmaschine zur Durchführung eines derartigen Verfahrens

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584589A (en) * 1970-01-27 1971-06-15 Clinton Ind Thread trimmer
US3654883A (en) * 1970-05-14 1972-04-11 Union Special Machine Co Thread control mechanism for sewing machines
DE2815297C2 (de) * 1978-04-08 1983-01-13 Dürkoppwerke GmbH, 4800 Bielefeld Gesteuerte, im Bereich zwischen dem Fadenhebel u. dem Nadelöhr angeordnete, auf mindestens einen Nadelfaden einwirkende Fadenklemme einer Nähmaschine
US5931107A (en) * 1997-12-22 1999-08-03 Mcdonnell Douglas Corporation Advanced stitching head for making stitches in a textile article having variable thickness
DE10234251C1 (de) 2002-07-27 2003-10-09 Duerkopp Adler Ag Verfahren zum Ziehen des freien Fadenendes eines Nadelfadens von der Oberseite eines Nähgutteils auf dessen Unterseite und Nähmaschine zur Durchführung des Verfahrens
CN101046037A (zh) * 2007-04-18 2007-10-03 浙江新杰克缝纫机有限公司 一种电脑平缝机的夹线装置
DE102007039596A1 (de) 2007-08-22 2009-02-26 Dürkopp Adler AG Nähmaschine sowie Verfahren zum Nähen eines Nahtanfangs mit einer derartigen Nähmaschine
DE102010003180B3 (de) * 2010-03-23 2011-07-28 RSG Rombold System GmbH & Co. KG, 71642 Vorrichtung zur Bereitstellung eines Annähfadens

Also Published As

Publication number Publication date
EP2453050A1 (fr) 2012-05-16
KR20120052161A (ko) 2012-05-23
TWI498467B (zh) 2015-09-01
CN102535038B (zh) 2015-05-06
TW201245530A (en) 2012-11-16
DE102010043906A1 (de) 2012-05-16
KR101862871B1 (ko) 2018-05-30
CN102535038A (zh) 2012-07-04

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