EP2707531A1 - Procédé pour coudre ensemble des matières à coudre - Google Patents

Procédé pour coudre ensemble des matières à coudre

Info

Publication number
EP2707531A1
EP2707531A1 EP12716448.1A EP12716448A EP2707531A1 EP 2707531 A1 EP2707531 A1 EP 2707531A1 EP 12716448 A EP12716448 A EP 12716448A EP 2707531 A1 EP2707531 A1 EP 2707531A1
Authority
EP
European Patent Office
Prior art keywords
sewing
stub
seam
seam stub
heating
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
EP12716448.1A
Other languages
German (de)
English (en)
Other versions
EP2707531B1 (fr
Inventor
Behrang YAZDANI
Roland FETT
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.)
Faurecia Innenraum Systeme GmbH
Original Assignee
Faurecia Innenraum Systeme GmbH
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
Application filed by Faurecia Innenraum Systeme GmbH filed Critical Faurecia Innenraum Systeme GmbH
Publication of EP2707531A1 publication Critical patent/EP2707531A1/fr
Application granted granted Critical
Publication of EP2707531B1 publication Critical patent/EP2707531B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B17/00—Sewing machines for concurrently making thread and welded seams
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B23/00—Sewing apparatus or machines not otherwise provided for
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B93/00—Stitches; Stitch seams

Definitions

  • the invention relates to a method for sewing together a first and a second material and a device for sewing together a first and a second material.
  • DE 103 36 600 B3 shows a device for sewing and cutting a sewing material. Another device is from the
  • the object of the invention is to provide an improved method for sewing together a first and a second sewing material and an improved device for sewing together a first and second sewing material.
  • a method of sewing a first and second fabric together comprising the steps of:
  • Embodiments of the invention have the advantage that sewing material can be sewn together in an optimum manner without having to shorten the seam stub unnecessarily severely.
  • the seam stub on the fabric is not distinguished after having obtained a covering part with the sewing material, whereby nevertheless it is ensured that a high tear-out strength of the seam stub exists. Namely, if the seam stub chosen too short, this would mean that the sewing thread used binds the first and second fabric together on an insufficiently large contact surface.
  • the thermal flattening of the suture tip and simultaneous heating of the suture stub or suture makes it possible on the one hand for the suture thread to be thermally deformed under the action of force on the suture stub in such a way that a flattened suture stump can result.
  • the sewing thread remains in its basic molecular and physical structure so that no loss of quality in terms of tear resistance of the suture are to be feared.
  • the first and second fabric are pulled apart before the thermal flattening.
  • This has the advantage that in an optimal way the seam stub is squeezed together with the sewing thread in its desired final shape.
  • the shape of the seam stub can be optimally defined.
  • the seam stub is shortened before the thermal flattening. This preferably takes place during or immediately after the sewing together of the first and second sewing material, whereby the length of the seam stub can be shortened to such a length which just prevented a tearing of the seam stub under force on the first and second fabric.
  • the temperature of the heating is further selected so that the first and second material is softened below its melting temperature exclusively in the region of the seam stub. This additionally allows the seam mute! under the action of force takes a minimal form, but without losing the mass which is necessary to prevent tearing of the seam stub under force.
  • the heating of the seam stub takes place via a hot wedge welding process.
  • a hot wedge welding process Such a method has the advantage that it can be realized in a technically simple manner.
  • the second stop preferably has a recess for at least partially receiving and guiding the seam stub.
  • the shape of the recess gives the final shape of the thermally flattened seam stub.
  • the guide of the seam stub helps in the movement of the seam stump to be flattened in the direction of the first and second stop. It is also possible that the second stop in addition to the function as a counter-stop in the Verfiachung the seam stub also serves as a counter-stop for the hot wedge. This could be realized by the second stop being a waist or roll. In a first In the second part of the roll, the material to be sewn is pressed through the heating wedge and in a second region of the roll the material to be sewn is pressed through the first stop.
  • a hot wedge used for the hot wedge welding process is applied directly to the seam stub in front of the first stop.
  • "Immediately before the stop” means a maximum distance of 0.5-1 cm from the first stop have the advantage that already held by the first and second stop the Nahtstummei and is thereby pressed against the hot wedge so it eliminates a relation to the hot wedge to be attached counter-attack to the hot wedge on the running between this counter-stop and the Schukeil Nahtstummei against the Schukeii
  • the optimum heat transfer is realized by the positive guidance through the first and second stop and pressing on of the suture stub on the heating element located immediately before the first stop
  • the stops are in the form of rotating rollers. This minimizes friction due to the rotational capability of the stops between the stops and the suture die.
  • the heating of the seam stub takes place before it is fed to the stops for flattening.
  • the invention relates to an apparatus for sewing together first and second fabric, the apparatus comprising means for sewing the first and second fabric together by means of a sewing thread, wherein sewing creates a seam die, the apparatus further comprising means for thermally flattening the fabric Seam stub by exerting a force on the seam butt and simultaneous heating of the seam stub, wherein the means for thermal flattening for selecting a temperature of the heating are formed so that the thread is softened below its melting temperature.
  • the invention relates to a trim panel, wherein the trim panel is laminated with a first and a second fabric, wherein the first and second fabric is sewn together by the method described above.
  • FIG. 1 shows various views of seam stubs
  • FIG. 2 shows a device for sewing and shortening a seam stub
  • FIG. 3 is a cross-sectional view of a seam stub
  • FIG. 4 is a cross-sectional view of a flattened seam stub
  • FIG. 5 shows a device for the thermal flattening of a seam stub.
  • similar elements will be denoted by the same reference numerals.
  • FIG. 1 shows seam stubs in different views.
  • a side view is selected in which only a first material 102 is visible.
  • a second fabric is in this case directly below the first
  • Sewing material 102 and is sewn together with the first fabric 102 by means of a sewing thread 100. By stitching results in a supernatant
  • FIG. 1 b the first fabric 102 and a second fabric 104, which are sewn together over the sewing thread 100, are in an exploded, i. shirred state shown. Clearly visible is the cutting edge along which the sewing thread 00 runs. If the seam stub 304 is set too short, this results in the seam stub 100 being torn out during lamination of the first and second fabric 102 and 104, i. a puncture resistance is no longer guaranteed. Such a tearing is shown by way of example in FIG. 1c.
  • the seam flute 304 has a correspondingly large enough size so that tearing along the cutting edge when shirring the first and second sewing material 102 and 104 is avoided.
  • FIG. 2 shows a device which is usually used for sewing the first and second fabric 102 and 104 together.
  • the sewing material 102 or 104 (in FIG. 2, only the sewing material 102 is visible - the sewing material 104 is located directly below the sewing material 102) is guided in the direction 200.
  • a sewing thread 100 is sewn in by means of a needle 108, wherein at the same time using a knife 1 10 a shortening of the seam stub, ie a cutting of a portion 106 of the projecting seam stub is made.
  • the cut portion 106 finds no further use in the present invention.
  • FIG. 3 shows the result of the sewing process described in FIG.
  • the seam stub 304 is forced into a predetermined shape by the combination of pressure and heating.
  • the recess 306 used for this purpose is a V-shape or a U-shape.
  • the recess 306 also serves to guide the seam stub 304 in the direction of the stops 300 and 302.
  • Figure 4 shows the result of the application of force with simultaneous heating of the suture 100.
  • the seam stub 304 is shortened in a substantial way, so that in relation to a part to be covered 402, the seam stump 304 is not or only slightly insignificant.
  • FIG. 5 shows a device for thermally flattening the seam die 304.
  • the two stops 300 and 302 are formed in this case by rollers, wherein again preferably the roller 302 has a recess for at least partial heating and guidance of the seam stub 304.
  • heating of the seam stub 304 by means of a heating wedge 400 takes place simultaneously.
  • a heating wedge 400 e.g. a softening of the seam stub itself takes place, so that due to the subsequent application of force by the squeezing of the seam stub between the rollers 300 and 302, a thermal flattening of the seam stub 304 takes place.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

L'invention concerne un procédé pour coudre ensemble une première (102) et une deuxième (104) matière à coudre selon les étapes suivantes: - coudre ensemble la première et la deuxième matière à coudre au moyen d'un fil de couture (104) pour former un segment d'assemblage (304), - aplatir par action thermique ce segment d'assemblage (304) en exerçant une force sur le segment d'assemblage (304) tout en le chauffant, la température de chauffe étant sélectionnée de manière à ramolir le fil de couture (100) en-dessous de son point de fusion.
EP12716448.1A 2011-05-13 2012-04-25 Procédé pour coudre ensemble des matières à coudre Active EP2707531B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110075827 DE102011075827B4 (de) 2011-05-13 2011-05-13 Verfahren und Vorrichtung zum Zusammennähen von Nähgut sowie Verkleidungsteil
PCT/EP2012/057569 WO2012156188A1 (fr) 2011-05-13 2012-04-25 Procédé pour coudre ensemble des matières à coudre

Publications (2)

Publication Number Publication Date
EP2707531A1 true EP2707531A1 (fr) 2014-03-19
EP2707531B1 EP2707531B1 (fr) 2015-04-08

Family

ID=45999849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12716448.1A Active EP2707531B1 (fr) 2011-05-13 2012-04-25 Procédé pour coudre ensemble des matières à coudre

Country Status (3)

Country Link
EP (1) EP2707531B1 (fr)
DE (1) DE102011075827B4 (fr)
WO (1) WO2012156188A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013014687B4 (de) 2013-09-05 2019-03-21 Lisa Dräxlmaier GmbH Nahtstummelfixierung mittels Schweißband
DE102021123947A1 (de) 2020-09-29 2022-03-31 Lisa Dräxlmaier GmbH Verfahren zum abdichten einer naht von nähgut
DE102022112540A1 (de) 2022-05-18 2023-11-23 Audi Aktiengesellschaft Verfahren zur Herstellung einer Fahrzeugkomponente mit einer Dekoroberfläche, Fahrzeugkomponente und Kraftfahrzeug

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974159C (de) * 1953-07-11 1960-09-29 Varta Plastic Gmbh Verfahren zum Schweissen von thermoplastischen Kunststoff-Folien
CH405902A (de) * 1955-02-12 1966-07-29 Messerschmitt Ag Verfahren zur Erzeugung einer Pseudo-Doppelsteppstichnaht
DE2731348A1 (de) * 1977-07-12 1979-01-25 Friedrich Martin Verfahren und vorrichtung zum vorheften von zuschnitten
US6517651B2 (en) * 2000-12-21 2003-02-11 Tefron Ltd. Apparatus and method for joining fabrics without sewing
NZ536630A (en) * 2002-05-29 2006-09-29 C Gex Systems C Gex Method and machine for production of a non-unravelling seam
DE10336600B3 (de) * 2003-08-08 2004-08-05 Daimlerchrysler Ag Vorrichtung zum Nähen und Beschneiden eines Nähguts
AT413521B (de) * 2004-07-29 2006-03-15 Eybl Internat Ag Verfahren zum beziehen von gegenständen und mit bezugsmaterial bezogener gegenstand wie lenkräder
US7690318B2 (en) * 2007-10-09 2010-04-06 International Automotive Components Group North America, Inc. Method of sewing a decorative seam and trim component made by that method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012156188A1 *

Also Published As

Publication number Publication date
DE102011075827B4 (de) 2013-04-25
EP2707531B1 (fr) 2015-04-08
DE102011075827A1 (de) 2012-11-15
WO2012156188A1 (fr) 2012-11-22

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