EP1525346B1 - Aiguille de machine a coudre presentant un aplatissement elliptique - Google Patents

Aiguille de machine a coudre presentant un aplatissement elliptique Download PDF

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Publication number
EP1525346B1
EP1525346B1 EP03765059A EP03765059A EP1525346B1 EP 1525346 B1 EP1525346 B1 EP 1525346B1 EP 03765059 A EP03765059 A EP 03765059A EP 03765059 A EP03765059 A EP 03765059A EP 1525346 B1 EP1525346 B1 EP 1525346B1
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EP
European Patent Office
Prior art keywords
cross
needle
section
sewing machine
groove
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.)
Expired - Fee Related
Application number
EP03765059A
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German (de)
English (en)
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EP1525346A1 (fr
Inventor
Johann Willems
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.)
Groz Beckert KG
Original Assignee
Groz Beckert KG
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Filing date
Publication date
Priority claimed from DE10240289A external-priority patent/DE10240289A1/de
Application filed by Groz Beckert KG filed Critical Groz Beckert KG
Publication of EP1525346A1 publication Critical patent/EP1525346A1/fr
Application granted granted Critical
Publication of EP1525346B1 publication Critical patent/EP1525346B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B85/00—Needles

Definitions

  • the present invention relates to a sewing machine needle with a piston extending from a piston, which has on its lateral surface - starting from the needle tip region - at least one extending in the direction of the piston thread groove, wherein the needle cross-section at least lengthwise sections a first profile area in the basic shape of a semicircle with it embedded trough and a along the Halb Vietnamesefußgeraden adjacent, second profile region comprises, the basic shape of which has a transversely to Halb Vietnamesefußgeraden directed cross-sectional reduction compared to a mirror-symmetrical semicircle.
  • a sewing machine needle with such a reduction in cross section is from the DE 3810 481 A1 known (sections AA and CC).
  • the cross-section reduction provided opposite the thread groove is formed as a flattening substantially straight in cross-section, which extends as such over the entire projected in cross section base of the thread groove and merges only in spatially narrow border areas in the following profile pages a circular shape.
  • This spatially limited transition goes hand in hand with a profile curvature which is greatly enlarged spatially in relation to the circle radius, which necessitates a high manufacturing outlay, for example during the compression molding of the needle cross-section.
  • the present invention seeks to further develop a sewing machine needle of the type described advantageous.
  • the cross-sectional reduction is formed by a peripheral, at least elliptical outer boundary of the second profile region.
  • the second profile region is preferably bounded by an ellipsoidal or elliptical contour, which merges continuously at the intersections with the semicircular foot line into the contour of the semicircular basic shape of the first profile region.
  • the ellipse-like edge contour has a continuously increasing radius, ie a continuously decreasing curvature, starting from the points of intersection with the semicircular foot line, each approaching the point of intersection with the vertical axis perpendicular to the semicircle straight line passing through the bottom of the thread groove.
  • an approximately elliptical or elliptical edge contour is also understood to mean one in which there are slight deviations from an elliptical edge contour, which also extend beyond manufacturing tolerances.
  • Sewing technology ie for the use of a sewing machine needle according to the invention, this means that the penetration resistance into the fabric is reduced at the same time as the cross-sectional area, while the stability of the needle in the sewing direction, ie transversely to the yarn groove, compared to a comparison needle with circular cross section substantially remains.
  • smaller curvatures of the edge contour and, for a comparatively equal cross-sectional surface area, a small length of the circumference can be achieved with respect to a comparison needle with a basically planar cross-sectional reduction by the elliptical boundary according to the invention.
  • a sewing machine needle of the present invention has a groove extending from the needle point side needle eye toward the piston so as to leave enough space for the loop catcher tip a gripper, boat or the like.
  • the groove can, for example, be designed in a known manner as a flat bed hollow throat or as a radiating hollow throat with a groove profile designed correspondingly in the longitudinal direction of the sewing machine needle. With regard to its position in the needle cross-section, it is preferred that the groove is located in the second profile region, more preferably on the outer circumference, opposite the thread groove.
  • the groove can be embedded in a longitudinal section of the sewing machine needle in which the elliptical cross-section reduction according to the invention is undertaken.
  • the groove depth can be realized at least in some areas over the elliptical or elliptical flattening cross-section reduction through them at the needle cross-section.
  • the elliptical or elliptical flattening according to the invention as well as the cross-sectional flattening by the groove are each aligned transversely to the Halb Vietnamesefußgeraden, is achieved at reduced puncture holes at the same time advantageous that the stability of the needle in the sewing direction, that is also transverse to the groove , is maintained despite the flattening of the invention.
  • the ellipsoidal or elliptical cross-section reduction starting from a needle tip region, for example.
  • a limitation of the needle cross section may even be made over the entire puncture length to a cross section composed only of the initially defined first and second profile regions.
  • this has a basic shape in the form of a semi-ellipse whose longitudinal axis with the Halb Vietnamesefußgeraden coincides.
  • the transverse axis of the half ellipse lies with the mirror symmetry line of the thread groove in the needle cross section on a common straight line.
  • the longer of the two semiaxes, which lies on the ellipse longitudinal axis preferably has a length of about 5 to 20%, for example about 7%, 10% or 14%, compared to the shorter semiaxis.
  • other length ratios may be appropriate beyond.
  • the cross-sectional edge profile on both sides of the thread groove follows from the semicircular base line in the circumferential direction of the semicircular base shape up to or beyond circular radii, which are applied as tangents to the cross-sectional profile of the thread groove.
  • the thread groove in the needle cross-section extends only within the first profile region.
  • the yarn channel has a channel bottom with a rounded in the needle cross-section, more preferably circularly rounded, curvature surface. With respect to such a rounded thread trough is also reference to the DE 100 26 576 A1 taken by the applicant
  • an additional yarn channel or supplementary channel is provided with a channel base which is rounded in cross-section and which can be arranged substantially opposite to the yarn channel embedded in the first profile region in the needle cross-section.
  • the supplementary channel be received in the ellipsoidal or elliptically bordered second profile region, so that it comes through the corresponding local polydirectional wall alignment directly in the cross-section reduced by the flattening profile area to an additional stiffening.
  • the aforementioned additional thread groove or additional groove can also make an advantageous contribution to the thread guide itself by a better thread guide is achieved and the risk of Rei- burns the thread is reduced.
  • the supplementary channel has a smaller or approximately equal channel cross-section compared to the thread channel.
  • the shaping and dimensioning there is the possibility that the Rinnenr reason the thread grooves and / or the supplementary channel is nestled in cross section to a circular contour, wherein the diameter of the circular contour may have approximately half the length of Halb Vietnamesefußgeraden.
  • the depth of the supplementary trough is smaller or approximately equal to the depth of the thread trough.
  • the clear cross-sectional mouth width of the supplementary trough is smaller than or approximately equal to the clear cross-sectional mouth width of the thread trough.
  • the side flanks of the supplementary trough and / or the thread trough in the needle cross section can run at an obtuse angle to the lateral surface of the needle shank.
  • a frusto-conical, preferably conical transition is formed between the shaft and the cross-sectionally larger piston, the shaft being in the longitudinal section between the transition and the flute if necessary, has a substantially uniform cross-section or a uniform basic shape thereof as far as the needle tip region.
  • a sewing machine needle with an inventive flattened shaft cross-section Preferably, in conjunction with a yarn thread increasing the needle stiffness and, if necessary, supplementary channel, a separate, adjoining the transition and reinforced in a conventional manner shaft portion can be dispensed with.
  • Fig.1 shows a side view of a first preferred embodiment of the sewing machine needle according to the invention 1.
  • This has a piston 2 emanating from a piston shaft 3.
  • the piston 2 is executed in the embodiment shown as a round-bottomed piston, but alternatively in the context of the present invention, a flat piston or a other appropriate piston shape used.
  • the shank 3 has, on its lateral surface 4, a yarn channel 6 extending from the needle tip region 5 in the direction of the piston 2, which extends in the longitudinal direction as far as a reinforced shank region 3 ', which merges into the piston 2 with a conical widening.
  • the needle tip region 5 extends from the needle tip 8 via a subsequent cone section 7 to the needle eye 9.
  • Fig. 2 shows a plan view of the preferred embodiment of the sewing machine needle 1 according to the invention in the Fig.1 indicated line II.
  • the section line III-III in Fig. 2 denotes a cross section through the shaft 3 in front of the groove 10, its shape Fig. 3 can be seen.
  • the designated in Fig. 2 Registered section line IV-IV is a cross section through the shaft 3 in front of the cone section 5, its shape Fig. 4 can be seen.
  • K denotes a circular contour serving as a geometric base or comparison figure, which is shown in phantom in order to clarify its meaning. Through the center of the circular contour K, the central axis M, which can also be seen in FIGS.
  • the first profile region 13 delimited by the connecting line between the points P1 and P2 has the basic shape of a semicircle, so that with respect to the said connecting straight line between P1 and P2, one should speak of a semicircular footing H.
  • the needle cross-section furthermore has a second profile region 14, which adjoins the first profile region 13 along the semicircular foot straight line H.
  • the second profile portion 14 a directed transversely to the Halb Vietnamesefußgeraden H cross-sectional reduction c, which is predetermined by an in the embodiment shown between the points P1 and P2 encircling elliptical outer boundary 15 of the second profile portion 14.
  • the length or the measure of the reduction in cross-section c is variable with the position projected onto the semicircular foot line, with the smallest measure (zero) being obtained at the intersections of the edge contour with the semicircular foot line and the largest dimension in the vertex S of the second profile section.
  • the basic form means that an elliptical or elliptical boundary is also to be considered in the context of the present invention if clear deviations (for example in the form of a groove, possibly a further one) are provided over a cross-sectional portion of the second profile Thread trough or the like) are present.
  • the longer semiaxis a also corresponds to the radius of the circular contour K. While the elliptical outer boundary 15 of the in Fig. 3 the ellipse-like outer boundary 16 of the illustrated in FIG Fig. 4 represented, lying in front of the cone section 7 cross-section compared to the determined by the equation elliptical contour E slightly more bulging curve, so that is nevertheless to speak of an at least approximately elliptical or elliptical outer boundary. In the cross sections of the FIGS. 3 and 4 The shorter half axis of the half ellipse in each case has the same length b.
  • the longer half-axes a to each other equal lengths.
  • the longer semiaxis a has an approximately 7% greater length, relative to the shorter semiaxis b, relative to the length of the shorter semiaxis b.
  • first profile area 13 are between 3 and 4 insofar as deviations are given as the circumference of the circle K contoured sections 11 ', 12' in Fig. 4 opposite the peripheral length sections 11, 12 in FIG Fig. 3 have a greater length, so that in the cross section in front of the groove 10 relative to the cross section in front of the cone portion 7 results in a slightly flatter transition to the thread groove 6. Furthermore, in front of the groove 10, the side flanks 21, 22 of the thread groove 6 have in their upper region a somewhat flatter course than the side flanks 21 ', 22' in front of the cone section 7.
  • Fig. 5 shows a sectional view through a second preferred embodiment of the sewing machine needle 1 according to the invention in a region of its shaft 3, which positionally in Fig. 2 registered section line III-III corresponds.
  • the in Fig. 3 shown cross-section is, in relation to each equal distance from the ⁇ -axis, a greater cross-sectional reduction c selected.
  • the longer semiaxis a has an approximately 20% greater length than the shorter semiaxis b (relative to the latter).
  • Fig. 6 shows a sectional view through a third preferred embodiment of the sewing machine needle 1 according to the invention, which is also the position in Fig. 2 assigned to section III-III.
  • the edge course 23 of the first profile region 13 follows therein on both sides of the yarn channel 6, starting from the semicircular base line H in the circumferential direction of the semicircular shape beyond circular radii, which are applied as tangents T to the cross-sectional profile of the yarn channel 6.
  • the yarn channel 6 has a channel bottom 24 with a circular cross-section in the needle cross-section curved surface.
  • the length of the longer half-axis a in this embodiment is 0.525 millimeters for natural size, 0.46 millimeters for shorter half-axis b.
  • cross-sectional shape of the longer half-axis a with respect to the shorter half-axis b (relative to the latter) by about 14% greater length.
  • the sewing machine needle according to the invention in side view ( Fig.1 ) at the needle-end end of the cone portion 7 has a thickness of preferably about 0.69 millimeters and the shaft 3 between groove 10 and piston 2 of about 0.78 millimeters, while the radial depth of the groove 10 may be about 0.22 millimeters.
  • the needle thickness of the shaft 3 in the piston-adjoining adjoining the groove 10 length portion about 0.94 millimeters, at a greater distance from the groove 10 may be about 1.01 millimeters.
  • the sectional plane III-III of the Fig. 2 marked needle cross section may be the maximum extent in the direction of Fig.
  • Fig. 7 shows in a partially broken longitudinal view enlarged another preferred embodiment of a sewing machine needle according to the invention 1. Notwithstanding the in the Fig.1 and 2 illustrated embodiments has the in Fig. 7 shown sewing machine needle in addition to the thread channel 6 also present here on her on the needle shaft cross-section opposite supplementary channel 25. In the longitudinal direction, this piston side is limited by an outlet, which is provided in the region of a cone-like transition 26 between the shaft 3 and the opposite cross-section larger piston 2.
  • the marked with the reference numeral 26 longitudinal portion represents a gradual transition from the end of the slender over its entire length, ie formed without lengthwise constant shaft reinforcement, shaft 3 to the cross-sectionally larger piston 2.
  • a Bump 27 limited whose convex apex lies at the level of the apex line 20 of the ellipse-like flattening and adjoins the hollow side of the groove 10.
  • the flute indentation is the representation as a distance between the extended for clarity, dashed lines shown crest line 20 and the assigning her solid body edge in the hatched opening. It is shown that the thread groove 6 in the region of the transition 26 has a wedge-shaped outlet and that the gutter depth, as in the case of the supplementary groove 25, is practically unchanged over the respective gutter length.
  • the ellipse-like flattening according to the invention is as in Fig.1 practically realized over the entire length of the shaft 3.
  • FIG. 7 shown sewing machine needle no subsequent to the transition 26, again reinforced shaft region (see reference numeral 3 'in Fig.1, 2 ), but that here the adjoining the junction 26 shaft 3 to the bump 27 has a virtually uniform cross-section.
  • Fig. 8 shows an enlarged section through the in Fig. 7 shown preferred embodiment of the sewing machine needle 1 according to the invention along the Section VIII-VIII.
  • Fig. 9 are such design features that with the Fig. 3 to 6 agree in principle, with the same reference numerals, although certain deviations are possible with respect to the concrete shaping of individual such features. So is regarding the thread groove 6 whose groove bottom in Fig. 8 compared to Fig. 3 displaced radially outward, the lateral flanks 21, 22 of the thread groove 6 are comparatively steeper and the circumferential length sections 11,12 follow substantially to the mouth of the thread groove 6 to the lateral surface of the circular contour.
  • Fig. 8 further clarifies that the additional groove 25 is embedded in the ellipsoidal flattened second profile region 14 while the thread groove 6 is arranged opposite.
  • the lateral flanks 28, 29 of the supplementary channel 25 close with the adjacent, elliptically flattened lateral surface or elliptical outer boundary 30 at a rounded transition an obtuse angle, while the corresponding transition between the lateral flanks 21, 22 of the thread groove 6 and the peripheral length sections 11, 12th forms an acute angle.
  • the supplementary channel 25 has a smaller groove cross-section than the thread groove 6, wherein both the gutter depth and the mouth width are each dimensioned smaller than in the thread groove 6.
  • Fig. 9 shows an enlarged sectional view of another preferred embodiment of a sewing machine needle 1 according to the invention in the shaft area with Fig. 8 matching position of the cutting plane.
  • the cross section shown here differs from Fig. 8 by a deeper and wider supplementary channel 25.
  • a deeper and wider supplementary channel 25 As in Fig. 8 It is envisaged that the lateral flanks 28,29 in concave rounding in the elliptical or elliptical outer boundary 30 merge.
  • the clear mouth width of the supplementary trough 25 already corresponds approximately to the mouth width of the yarn trough 6, the trough depth, on the other hand, is smaller.
  • the thread groove and the supplementary channel have identical or approximately the same cross sections.

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

Claims (16)

  1. Aiguille (1) de machine à coudre, comprenant une tige (3) qui s'étend à partir d'un talon (2) et présente - sur sa surface enveloppe (4) - en partant de la zone de pointe (5) de l'aiguille - au moins une rainure à fil (6) s'étendent en direction du talon (2), la section de l'aiguille présentant, au moins par portions sur la longueur, une première zone profilée (13), ayant la forme de base d'un demi-cercle dans lequel est aménagée la rainure à fil (6), et une deuxième zone profilée (14) qui fait suite à la première zone, le long de la droite de base (H) du demi-cercle, et dont la forme de base présente une réduction de section (c) orientée perpendiculairement à la droite de base (H) de demi-cercle par rapport à un demi-cercle symétrique, caractérisée en ce que la réduction de section (c) est formée par un bord extérieur (15, 16, 17, 18) au moins en forme d'ellipse de la deuxième zone profilée (14).
  2. Aiguille (1) de machine à coudre selon la revendication 1, caractérisée en ce qu'il est prévu une cannelure (10), qui s'étend à partir du chas (9) situé côté pointe de l'aiguille, en direction du talon (2), et la réduction de section (c) part de la zone de pointe (5) de l'aiguille et s'étend en continu en direction du talon (2) et au-delà de la cannelure (10).
  3. Aiguille (1) de machine à coudre selon une des revendications précédentes ou les deux, caractérisée en ce que la deuxième zone profilée (14) présente une forme de base correspondant à une demi-ellipse dont le grand axe coïncide avec la droite de base (H) du demi-cercle.
  4. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce que la deuxième zone profilée (14) présente une forme de base correspondant à une demi-ellipse dont le petit axe se situe sur une droite commune avec la ligne de symétrie de la rainure à fil (6).
  5. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce que le demi-axe (a) plus long de l'ellipse possède une longueur qui est supérieure de 5 à 20 %, de préférence de 7 %, 10 % ou 14 %, à celle du demi-axe (b) plus court de la demi-ellipse.
  6. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce que, de part et d'autre de la rainure à fil (6), le tracé du bord de la première zone profilée (13) part de la ligne de base (H) de demi-cercle et suit, dans la direction périphérique, la forme de demi-cercle, jusqu'au-delà de rayons de cercle qui sont placés en tant que tangentes (T) contre le tracé de la section de la rainure à fil (6).
  7. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce que dans la section de l'aiguille, la rainure à fil (6) s'étend exclusivement dans la première zone profilée (13).
  8. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce que la rainure à fil (6) présente un fond de rainure (24) avec une surface courbe qui est arrondie en forme de cercle dans la section de l'aiguille.
  9. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce qu'elle comporte une rainure complémentaire (25), dotée d'un fond de rainure de section arrondie, qui est disposée dans la section de l'aiguille, sensiblement à l'opposé de la rainure à fil (6) aménagée dans la première zone profilée (13).
  10. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce que, comparée à la rainure à fil (6), la rainure complémentaire (25) présente une section de rainure inférieure ou sensiblement identique.
  11. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce que le fond de la rainure à fil (6) et/ou de la rainure complémentaire (25) épouse en section un contour de cercle dont le diamètre correspond à peu près à la moitié de la longueur de la droite de base (H) du demi-cercle.
  12. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce que la profondeur de la rainure complémentaire (25) est inférieure ou sensiblement égale à la profondeur de la rainure à fil (6).
  13. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce que la largeur d'ouverture intérieure de la section de la rainure complémentaire (25) est inférieure ou sensiblement égale à la largeur d'ouverture intérieure de la section de la rainure à fil (6).
  14. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce que, vu dans la section de l'aiguille, les flancs de la goulotte complémentaire (25) forment un angle obtus avec la surface enveloppe de la tige de l'aiguille.
  15. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce que dans la section de l'aiguille, les flancs (21, 22, 28, 29) de la rainure à fil (6) et/ou de la rainure complémentaire (25) se raccordent sous une forme convexe arrondie à la surface enveloppe de la tige de l'aiguille.
  16. Aiguille (1) de machine à coudre selon une ou plusieurs des revendications précédentes, caractérisée en ce qu'il existe, entre la tige (3) et le talon (2), de section plus importante, une zone de transition (26) semblable à un cône tronqué, de préférence de forme conique, sachant que la tige (3), dont la section est elliptique ou aplatie en forme d'ellipse, présente une section sensiblement uniforme dans le segment longitudinal situé entre la zone de transition (26) et la cannelure (10).
EP03765059A 2002-07-22 2003-07-18 Aiguille de machine a coudre presentant un aplatissement elliptique Expired - Fee Related EP1525346B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10233151 2002-07-22
DE10233151 2002-07-22
DE10240289A DE10240289A1 (de) 2002-07-22 2002-08-31 Nähmaschinen-Nadel mit elliptischer Abflachung
DE10240289 2002-08-31
PCT/EP2003/007896 WO2004009896A1 (fr) 2002-07-22 2003-07-18 Aiguille de machine a coudre presentant un aplatissement elliptique

Publications (2)

Publication Number Publication Date
EP1525346A1 EP1525346A1 (fr) 2005-04-27
EP1525346B1 true EP1525346B1 (fr) 2008-03-26

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ID=30771723

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03765059A Expired - Fee Related EP1525346B1 (fr) 2002-07-22 2003-07-18 Aiguille de machine a coudre presentant un aplatissement elliptique

Country Status (7)

Country Link
EP (1) EP1525346B1 (fr)
JP (1) JP4124197B2 (fr)
CN (1) CN1671904B (fr)
AU (1) AU2003251003A1 (fr)
BR (1) BR0305680B1 (fr)
DE (1) DE50309477D1 (fr)
WO (1) WO2004009896A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347192A (en) * 1965-05-24 1967-10-17 Union Special Machine Co Sewing machine needle
DE3027534A1 (de) * 1980-07-21 1982-02-18 Josef 5100 Aachen Zocher Naehmaschinen-nadel
DE8121878U1 (de) * 1981-07-25 1981-11-26 Fa. Jos. Zimmermann, 5100 Aachen "tuftingnadel fuer nadelmodule von tuftingmaschinen"
DE3810481A1 (de) * 1988-03-26 1989-10-05 Franz Martin Arndt Hartmetallnaehmaschinennadel
CN2316326Y (zh) * 1997-11-13 1999-04-28 青岛市市南亚威福利针厂 工业用缝纫机针
DE19921913C2 (de) * 1999-05-12 2001-06-13 Groz Beckert Kg Nähmaschinennadel mit schlankem Öhr
DE10026576A1 (de) * 2000-05-30 2001-12-06 Rhein Nadel Maschinennadel Nähmaschinen-Nadel

Also Published As

Publication number Publication date
JP2005533547A (ja) 2005-11-10
JP4124197B2 (ja) 2008-07-23
DE50309477D1 (de) 2008-05-08
BR0305680B1 (pt) 2011-08-23
AU2003251003A1 (en) 2004-02-09
EP1525346A1 (fr) 2005-04-27
BR0305680A (pt) 2004-10-19
WO2004009896A1 (fr) 2004-01-29
CN1671904B (zh) 2010-06-09
CN1671904A (zh) 2005-09-21

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