EP0725176B1 - Needle more particularly for embroidering machines - Google Patents

Needle more particularly for embroidering machines Download PDF

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Publication number
EP0725176B1
EP0725176B1 EP95119357A EP95119357A EP0725176B1 EP 0725176 B1 EP0725176 B1 EP 0725176B1 EP 95119357 A EP95119357 A EP 95119357A EP 95119357 A EP95119357 A EP 95119357A EP 0725176 B1 EP0725176 B1 EP 0725176B1
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EP
European Patent Office
Prior art keywords
blade
needle
region
shank
throat
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 - Lifetime
Application number
EP95119357A
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German (de)
French (fr)
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EP0725176A3 (en
EP0725176A2 (en
Inventor
Harry Vornholt
Thomas Schmid
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Groz Beckert KG
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Groz Beckert KG
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Filing date
Publication date
Application filed by Groz Beckert KG filed Critical Groz Beckert KG
Publication of EP0725176A2 publication Critical patent/EP0725176A2/en
Publication of EP0725176A3 publication Critical patent/EP0725176A3/xx
Application granted granted Critical
Publication of EP0725176B1 publication Critical patent/EP0725176B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
    • B21G1/00—Making needles used for performing operations
    • B21G1/02—Making needles used for performing operations of needles with eyes, e.g. sewing-needles, sewing-awls
    • B21G1/04—Making needles used for performing operations of needles with eyes, e.g. sewing-needles, sewing-awls of needles specially adapted for use in machines or tools
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B85/00—Needles
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
    • D05C11/02—Machine needles

Definitions

  • the invention relates to a needle, in particular for Large embroidery machines, with a plunger and one on the Piston adjoining shaft that ends in a tip and in which at least one groove and one eye are formed are, one on the shaft near the piston A predetermined breaking point is provided.
  • the object of the invention is therefore a needle especially for large embroidery machines (Schiffli machines and the like), which is characterized by a high Resistance to side loads distinguished and it is ensured that they nevertheless in case of overload at a predetermined point near the piston breaks.
  • the above is Needle according to the invention characterized in that the An all-round rounded shaft near the piston Constriction has that on the constriction a conical tapering towards the tip Connects shaft area that into a cylindrical Shaft area merges and that the constriction at the edge towards the piston and the conical shaft area is rounded to form smooth transitions.
  • the constriction can advantageously be on the ground Have diameter that is approximately equal to that Diameter of the cylindrical shaft part is, it can but also slightly larger or smaller than this Diameter measure. It is in the bottom area in the Profile generally in the shape of a circular arc rounded and expediently has a substantially V-shaped profile on the edge of the transition rounded to the piston and to the conical shaft area is.
  • This conical shaft area has one relatively weak taper; his cone angle is advantageously between about 0.5 ° and 2 °.
  • the length of the conical shaft area depends on the needle construction and is often between 10% and 50% of the total Shaft length.
  • the needle shown in the drawing is special intended for large embroidery machines (Schiffli machines), can also be used for other embroidery machines, for sewing machines and the like are used. It is made of steel and has a substantially cylindrical piston 1 to which a shaft 2 connects, which is in a Tip 3 ends. In the shaft 2 is an axially parallel Long groove 30 is formed, which leads to an eye 4 that a top channel 5 connects.
  • the constriction 6 is, as in particular from FIG. 3 to be seen in profile essentially V-shaped, being in the base region 9 in the form of a circular arc is rounded out, which is shown in FIG. 3 by a radius 10 is indicated.
  • the constriction 6 is on the edge Piston 1 and rounded toward the conical area 7, so that there are smooth transitions at 11 and 12.
  • the angle the two of the floor area 9th outgoing conical walls of the constriction 6 with each other limit is on both sides of the floor area 9 indicated in Fig. 2 at 13 and 14, respectively.
  • the angle 13 on the piston side is approximately 20 to 30 °, preferably about 25 ° while the size of the conical area 7 adjacent angle 14 is between about 10 and 15 °.
  • the diameter of the constriction 6 at the bottom 9 thereof is approximately equal to the diameter of the cylindrical Shank area 8 and indicated in Fig. 3 at 15.
  • the cone angle of the conical area 7 is in the Order of magnitude of approximately 0.5 to 2 ° and is 16 in FIG. 2 indicated.
  • the length of the conical area 7, which is about to the line 17 shown in FIGS. 1, 2, is approximately between 10 and 50%, preferably approximately 30% the entire length of the shaft measured from the end of the Piston 1 at 18 to the end of tip 3.
  • the constriction 6 forms a predetermined breaking point in the immediate vicinity of the piston 1. Along with that on but the conical region 7 that follows them leads to no loss of stability of the needle compared to comparable Conventional needles; rather, it results rather an increase in the resistance of the needle against lateral loads, taking the needle overall characterized by high fatigue strength.

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

Description

Die Erfindung betrifft ein Nadel, insbesondere für Großstickmaschinen, mit einem Kolben und einem sich an den Kolben anschließenden Schaft, der in einer Spitze endet und in dem wenigstens eine Rinne und ein Öhr ausgebildet sind, wobei an dem Schaft in der Nähe des Kolbens eine Sollbruchstelle vorgesehen ist.The invention relates to a needle, in particular for Large embroidery machines, with a plunger and one on the Piston adjoining shaft that ends in a tip and in which at least one groove and one eye are formed are, one on the shaft near the piston A predetermined breaking point is provided.

Großstickmaschinen, sogenannte Schiffli-Maschinen und Mehrkopf-Stickautomaten, können auf einer Länge von ca. 19 Meter (21 Yards) mit bis zu 1.418 Nadeln bestückt sein. Wird eine Nadel verbogen oder kommt es zu Nadelbruch, so wird das Stickmuster versetzt oder stark beschädigt. In jedem Fall muß aber die Maschine angehalten werden, um die Nadel auszuwechseln. Darüberhinaus ist der eintretende Schaden deshalb groß, weil ein entsprechender Streifen des Stickbodens über die gesamte Breite von bis zu 19 Meter herausgeschnitten werden muß.Large embroidery machines, so-called Schiffli machines and Multi-head embroidery machines, can have a length of approx. 19 Meters (21 yards) can be equipped with up to 1,418 needles. If a needle is bent or a needle breaks, so the embroidery motif is moved or badly damaged. In in any case, the machine must be stopped in order to Exchange the needle. Beyond that is the entering Great damage because a corresponding strip of the Embroidery floor over the entire width of up to 19 meters must be cut out.

Um ein elastisches Verformen der Nadeln (Verbiegen) während des Stickvorganges zu verhüten, werden in der Praxis häufig dickere Nadelstärken gewählt, als dem Stickboden zuträglich ist. Das führt zu Sprengungen des Gewebe- oder Gewirkefadens. Außerdem müssen die Nadeln beim Härten verhältnismäßig spröde eingestellt werden. Dadurch wird aber andererseits die Bruchgefahr erhöht. Nadelbruch ist zwar grundsätzlich ebenfalls in hohem Maße unerwünscht, doch wenn eine Nadel bricht, so sollte dies möglichst in Kolbennähe geschehen, damit der Reststumpf der Nadel nicht mehr in den Stickboden eindringen und diesen bzw. das bereits erstellte Stickmuster beschädigen kann. Außerdem soll sie möglichst brechen, bevor sie sich bleibend verformt.To elastically deform the needles (bending) to prevent during embroidery are in the In practice, thicker needle sizes are often chosen than the embroidery base is beneficial. This leads to explosions of the tissue or knitted thread. In addition, the needles need to harden be set relatively brittle. This will but on the other hand increases the risk of breakage. Broken needle basically also highly undesirable, but if a needle breaks, it should be in Close to the piston so that the residual stump of the needle does not penetrate more into the embroidery base and this or that already damaged designs can damage. Furthermore If possible, break it before it permanently deforms.

Wie beispielsweise aus der DE-A1 4 320 956 zu entnehmen, ist es bekannt, Maschinennadeln mit einer Sollbruchstelle zu versehen, die in Gestalt einer in den Konus unterhalb des Kolbens eingeschliffenen Nut oder in Form von Kerben oder dünnen Bohrungen ausgebildet ist, welche auch im Bereiche des Schaftes vorhanden sein können. Solche zerspanungstechnisch hergestellten Nuten oder mit Hilfe von Laserstrahlen erzeugte Kerben und dünne Bohrungen setzen aber insbesondere auch wegen der von ihnen ausgehenden Kerbwirkung die Bruchfestigkeit und damit die Standzeit der Nadel insgesamt in unerwünschtem Maße herab, so daß sie in der Praxis nur bedingt einsatzfähig sind.As can be seen, for example, from DE-A1 4 320 956, it is known to machine needles with a predetermined breaking point to be provided in the shape of a in the cone groove or shape below the piston is formed by notches or thin bores, which can also be present in the area of the shaft. Such machined grooves or with Notches and thin holes created using laser beams but especially because of them outgoing notch effect the breaking strength and thus the Total lifespan of the needle to an undesirable extent, so that they are only of limited use in practice.

Grundsätzlich Gleiches gilt auch für aus der US-A 3 624 675 und der GB 1 239 556 bekannte sogenannte Felting-Nadeln, deren Schaft in einem zylindrischen Teil mit einer Sollbruchstelle versehen ist, die in Gestalt einer Ringnut oder über den Schaftumfang verteilt angeordneter Kerben von V- oder U-förmige Querschnittsgestalt ausgebildet ist. Bei allen diesen Ausführungsformen schliessen sich die Nutenkerben etc. über ausgeprägte Kanten an die anschliessenden zylindrischen Schaftpartien an.Basically the same applies to from the US-A 3 624 675 and GB 1 239 556 known so-called Felting needles, the shaft of which is in a cylindrical part is provided with a predetermined breaking point, which is in shape an annular groove or arranged distributed over the circumference of the shaft V-shaped or U-shaped cross-sectional shape is trained. In all of these embodiments close the groove notches etc. over pronounced Edges on the adjoining cylindrical shaft parts on.

Aufgabe der Erfindung ist es deshalb, eine Nadel, insbesondere für Großstickmaschinen (Schiffli-Maschinen und dergleichen) zu schaffen, die sich durch eine hohe Widerstandsfähigkeit gegen seitlich angreifende Belastungen auszeichnet und bei der sichergestellt ist, daß sie dennoch bei Überlastung an einer vorbestimmten Stelle in der Nähe des Kolbens bricht.The object of the invention is therefore a needle especially for large embroidery machines (Schiffli machines and the like), which is characterized by a high Resistance to side loads distinguished and it is ensured that they nevertheless in case of overload at a predetermined point near the piston breaks.

Zur Lösung dieser Aufgabe ist die eingangs genannte Nadel erfindungsgemäß dadurch gekennzeichnet, daß der Schaft in der Nähe des Kolbens eine ringsumlaufende ausgerundete Einschnürung aufweist, daß an die Einschnürung sich ein sich zur Spitze hin verjüngender, konischer Schaftbereich anschließt, der in einen zylindrischen Schaftbereich übergeht und dass die Einschnürung randseitig zu dem Kolben und dem konischen Schaftbereich hin unter Ausbildung glatter Übergänge jeweils verrundet ist.To solve this problem, the above is Needle according to the invention characterized in that the An all-round rounded shaft near the piston Constriction has that on the constriction a conical tapering towards the tip Connects shaft area that into a cylindrical Shaft area merges and that the constriction at the edge towards the piston and the conical shaft area is rounded to form smooth transitions.

Die praktische Erfahrung hat gezeigt, daß diese randseitig am Übergang zum Kolben und zu dem konischen Schaftbereich verrundete Einschnürung im Zusammenwirken mit dem daran anschließenden konischen Schaftbereich keinen Stabilitätsverlust der Nadel hervorruft. Die Belastbarkeit bis zum Bruch durch eine seitlich angreifende Kraft erreicht, wie festgestellt wurde, mindestens die gleiche Größe, wie bei einer vergleichbaren Nadel nach dem Stand der Technik, bei der sich an den Kolben unmittelbar der Konus und daran der Schaft anschließt, wie dies beispielsweise in DIN 5330 dargestellt ist. Tatsächlich kann diese Bruchkraft bei der neuen Nadel bis zu 150% des entsprechenden Wertes bei der bekannten Vergleichsnadel betragen. Bei Überlastung bricht die neue Nadel an der vorbestimmten Stelle unmittelbar unterhalb des Kolbens.Practical experience has shown that this on the edge at the transition to the piston and to the conical Collar rounded constriction in interaction with the adjoining conical shaft area does not cause loss of stability of the needle. The resilience until it breaks by a side attack Force has been found to reach at least that same size as a comparable needle after the State of the art, in which the pistons directly the cone and then the shaft, such as this is shown in DIN 5330. In fact can this breaking strength with the new needle up to 150% of the corresponding value in the known comparison needle be. If overloaded, the new needle breaks predetermined location immediately below the piston.

Die Einschnürung kann am Boden mit Vorteil einen Durchmesser aufweisen, der näherungsweise gleich dem Durchmesser des zylindrischen Schaftteiles ist, sie kann aber auch geringfügig größer oder kleiner als dieses Durchmessermaß sein. Sie ist im übrigen im Bodenbereich im Profil in der Regel im wesentlichen kreisbogenförmig ausgerundet und weist zweckmäßigerweise ein im wesentlichen V-förmiges Profil auf, wobei sie randseitig am Übergang zum Kolben und zu dem konischen Schaftbereich verrundet ist. Dieser konische Schaftbereich weist eine verhältnismäßig schwache Konizität auf; sein Kegelwinkel liegt mit Vorteil zwischen etwa 0,5° und 2°. Die Länge des konischen Schaftbereiches hängt von der Nadelkonstruktion ab und beträgt häufig zwischen 10% und 50% der gesamten Schaftlänge.The constriction can advantageously be on the ground Have diameter that is approximately equal to that Diameter of the cylindrical shaft part is, it can but also slightly larger or smaller than this Diameter measure. It is in the bottom area in the Profile generally in the shape of a circular arc rounded and expediently has a substantially V-shaped profile on the edge of the transition rounded to the piston and to the conical shaft area is. This conical shaft area has one relatively weak taper; his cone angle is advantageously between about 0.5 ° and 2 °. The length of the conical shaft area depends on the needle construction and is often between 10% and 50% of the total Shaft length.

In der Zeichnung ist ein Ausführungsbeispiel des Gegenstandes der Erfindung dargestellt. Es zeigen:

  • Fig. 1 eine Nadel gemäß der Erfindung in der Draufsicht,
  • Fig. 2 die Nadel nach Fig. 1 im Ausschnitt, unter Veranschaulichung des Kolbens sowie des konischen und eines Teiles des zylindrischen Schaftbereiches, in der Draufsicht und in einem anderen Maßstab und
  • Fig. 3 die Nadel nach Fig. 1 im Ausschnitt, unter Veranschaulichung der sich an den Kolben anschließenden Verrundung, in der Draufsicht und in einem anderen Maßstab.
    • In the drawing, an embodiment of the object of the invention is shown. Show it:
  • 1 is a plan view of a needle according to the invention,
  • Fig. 2 shows the needle of Fig. 1 in a detail, illustrating the piston and the conical and part of the cylindrical shaft area, in plan view and on a different scale and
  • Fig. 3 shows the needle of Fig. 1 in a detail, illustrating the rounding following the piston, in plan view and on a different scale.

    • Die in der Zeichnung dargestellte Nadel ist insbesondere für Großstickmaschinen (Schiffli-Maschinen) bestimmt, kann aber auch für andere Stickmaschinen, für Nähmaschinen und dergleichen Verwendung finden. Sie besteht aus Stahl und weist einen im wesentlichen zylindrischen Kolben 1 auf, an den sich ein Schaft 2 anschließt, welcher in einer Spitze 3 endet. In dem Schaft 2 ist eine achsparallele lange Rinne 30 ausgebildet, die zu einem Öhr 4 führt, an das sich eine Spitzenrinne 5 anschließt.The needle shown in the drawing is special intended for large embroidery machines (Schiffli machines), can also be used for other embroidery machines, for sewing machines and the like are used. It is made of steel and has a substantially cylindrical piston 1 to which a shaft 2 connects, which is in a Tip 3 ends. In the shaft 2 is an axially parallel Long groove 30 is formed, which leads to an eye 4 that a top channel 5 connects.

    An den zylindrischen, gegebenenfalls eine einseitige Abflachung aufweisenden Kolben 1 anschließend ist in dem Schaft 2 eine ringsumlaufende ausgerundete Einschnürung 6 vorgesehen, die bei der Herstellung durch entsprechendes Hämmern des Nadelrohlinges erzeugt worden ist. An die Einschnürung 6 schließt sich auf der dem Kolben 1 abgewandten Seite ein zur Spitze 3 hin sich verjüngender konischer Schaftbereich 7 an, der bei 17 in Fig. 2 in einen zylindrischen Schaftbereich 8 übergeht, welcher sich zu dem Öhr 4 hin erstreckt. Im Bereiche des Öhrs kann dabei in an sich bekannter Weise eine Schaftverdickung vorhanden sein, wie auch Nadeln unter die Erfindung fallen, bei denen eine Schaftverdünnung, etwa in dem zylindrischen Bereich 8, vorhanden ist.On the cylindrical, possibly one-sided Flattened piston 1 is then in the Shaft 2 has a circumferential rounded constriction 6 provided in the manufacture by appropriate Hammering the needle blank has been generated. To the Constriction 6 closes on the piston 1 facing away Side one tapering towards tip 3 conical shaft region 7, which at 17 in Fig. 2 in a cylindrical shaft area 8 which merges extends to the eye 4. In the area of the eye can a thickened shaft in a manner known per se be present, as are needles under the invention, in which a shaft thinning, such as in the cylindrical Area 8, is present.

    Die Einschnürung 6 ist, wie insbesondere aus Fig. 3 zu ersehen, im Profil im wesentlichen V-förmig, wobei sie im Bodenbereich 9 im Profil im wesentlichen kreisbogenförmig ausgerundet ist, was in Fig. 3 durch einen Radius 10 angedeutet ist. Randseitig ist die Einschnürung 6 zu dem Kolben 1 und zu dem konischen Bereich 7 hin jeweils verrundet, so daß sich bei 11 und 12 glatte Übergänge ergeben. Der Winkel, den die beiden von dem Bodenbereich 9 ausgehenden konischen Wandungen der Einschnürung 6 miteinander begrenzen, ist auf beiden Seiten des Bodenbereiches 9 in Fig. 2 jeweils bei 13 und 14 angedeutet. Der Winkel 13 auf der Kolbenseite beträgt ca. 20 bis 30°, vorzugsweise ca. 25°, während die Größe des dem konischen Bereich 7 benachbarten Winkels 14 zwischen ca. 10 und 15° liegt.The constriction 6 is, as in particular from FIG. 3 to be seen in profile essentially V-shaped, being in the base region 9 in the form of a circular arc is rounded out, which is shown in FIG. 3 by a radius 10 is indicated. The constriction 6 is on the edge Piston 1 and rounded toward the conical area 7, so that there are smooth transitions at 11 and 12. The angle the two of the floor area 9th outgoing conical walls of the constriction 6 with each other limit is on both sides of the floor area 9 indicated in Fig. 2 at 13 and 14, respectively. The angle 13 on the piston side is approximately 20 to 30 °, preferably about 25 ° while the size of the conical area 7 adjacent angle 14 is between about 10 and 15 °.

    Der Durchmesser der Einschnürung 6 an deren Boden 9 ist näherungsweise gleich dem Durchmesser des zylindrischen Schaftbereiches 8 und in Fig. 3 bei 15 angedeutet. Der Kegelwinkel des konischen Bereiches 7 liegt in der Größenordnung von etwa 0,5 bis 2° und ist in Fig. 2 bei 16 angedeutet. Die Länge des konischen Bereiches 7, die etwa bis zu der in die Fig. 1, 2 eingetragenen Linie 17 reicht, liegt etwa zwischen 10 und 50%, vorzugsweise bei ca. 30% der gesamten Länge des Schaftes gemessen von dem Ende des Kolbens 1 bei 18 bis zum Ende der Spitze 3.The diameter of the constriction 6 at the bottom 9 thereof is approximately equal to the diameter of the cylindrical Shank area 8 and indicated in Fig. 3 at 15. The cone angle of the conical area 7 is in the Order of magnitude of approximately 0.5 to 2 ° and is 16 in FIG. 2 indicated. The length of the conical area 7, which is about to the line 17 shown in FIGS. 1, 2, is approximately between 10 and 50%, preferably approximately 30% the entire length of the shaft measured from the end of the Piston 1 at 18 to the end of tip 3.

    Die Einschnürung 6 bildet eine Sollbruchstelle in der unmittelbaren Nähe des Kolbens 1. Zusammen mit dem sich an sie anschließenden konischen Bereich 7 führt sie aber zu keinem Stabilitätsverlust der Nadel gegenüber vergleichbaren Nadeln herkömmlicher Bauart; sie ergibt vielmehr eher noch eine Erhöhung der Widerstandsfähigkeit der Nadel gegen seitliche Belastungen, wobei die Nadel sich insgesamt durch eine hohe Dauerbruchfestigkeit auszeichnet.The constriction 6 forms a predetermined breaking point in the immediate vicinity of the piston 1. Along with that on but the conical region 7 that follows them leads to no loss of stability of the needle compared to comparable Conventional needles; rather, it results rather an increase in the resistance of the needle against lateral loads, taking the needle overall characterized by high fatigue strength.

    Claims (6)

    1. Needle, in particular for large embroidery machines, with a shank and a blade connecting to the shank, said blade ending in a point and in said blade at least one groove and one eye are formed, whereby a predetermined breaking point is provided on the blade in the vicinity on the shank, characterised in that in the vicinity of the shank (1), the blade (2) has a circumferential rounded throat (6), that a conical blade region (7) tapering towards the point (3) connects to the throats (6), said blade region merging into a cylindrical blade region (8), and that the throat (6) is respectively rounded on the edge side towards the shank (1) and the conical blade region (7) forming smooth transitions (11,12).
    2. Needle according to Claim 1, characterised in that the throat (6) has a diameter (15) on the base (9) which is approximately equal to the diameter of the cylindrical blade region (8).
    3. Needle according to Claim 1 or 2, characterised in that the throat (6) is rounded in the base region to be essentially circular-arc shaped in profile.
    4. Needle according to one of the preceding claims,
      characterised in that the throat (6) has an essentially V-shaped profile.
    5. Needle according to one of the preceding claims,
      characterised in that the conicalblade region (7) has a cone angle (16) of about 0.5 to 2°.
    6. Needle according to one of the precedina claims,
      characterised in that the conical blade region (7) has a length lying between 10 and 50% of the blade length.
    EP95119357A 1995-02-01 1995-12-08 Needle more particularly for embroidering machines Expired - Lifetime EP0725176B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19503048 1995-02-01
    DE19503048A DE19503048C2 (en) 1995-02-01 1995-02-01 Needle, especially for large embroidery machines

    Publications (3)

    Publication Number Publication Date
    EP0725176A2 EP0725176A2 (en) 1996-08-07
    EP0725176A3 EP0725176A3 (en) 1996-08-21
    EP0725176B1 true EP0725176B1 (en) 1999-05-26

    Family

    ID=7752768

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP95119357A Expired - Lifetime EP0725176B1 (en) 1995-02-01 1995-12-08 Needle more particularly for embroidering machines

    Country Status (6)

    Country Link
    US (1) US5666896A (en)
    EP (1) EP0725176B1 (en)
    JP (1) JP3088651B2 (en)
    CA (1) CA2168502C (en)
    DE (2) DE19503048C2 (en)
    ES (1) ES2131748T3 (en)

    Families Citing this family (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP2662201A1 (en) * 2012-05-08 2013-11-13 Groep Stevens International Composite sandwich structure
    PT3690095T (en) 2019-01-31 2022-06-27 Groz Beckert Kg Knitting machine needle and knitting system

    Family Cites Families (12)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US2619059A (en) * 1949-07-12 1952-11-25 Arnold A Rosenfeld Stitch removing and sewing needle
    DE1485382A1 (en) * 1964-04-29 1969-09-25
    DE1239556B (en) * 1964-08-18 1967-04-27 Werner Osenberg Dr Ing Enlargement film as an eye-catcher for shop windows, showcases, etc. like
    GB1239556A (en) * 1967-09-15 1971-07-21
    US3624675A (en) * 1970-08-11 1971-11-30 Edson P Foster Felting needle
    NL7202065A (en) * 1971-02-24 1972-08-28
    US3862611A (en) * 1973-12-12 1975-01-28 Maruzen Sewing Machine Sewing machine needle
    DE3150673C2 (en) * 1981-12-21 1984-01-26 Rhein-Nadel Maschinennadel GmbH, 5100 Aachen Sewing machine needle
    US4423837A (en) * 1981-04-21 1984-01-03 Ben Clements & Sons, Inc. Needle construction for tag attachers
    DE8529109U1 (en) * 1985-10-12 1987-02-12 Rhein-Nadel Maschinennadel GmbH, 5100 Aachen Sewing machine needle
    DE3800802C1 (en) * 1988-01-14 1989-02-16 Theodor Groz & Soehne & Ernst Beckert Nadelfabrik Kg, 7470 Albstadt, De
    DE4320956C2 (en) * 1993-06-24 1997-12-11 Johannes Prof Dr Rer N Gartzen Method for producing a predetermined breaking point on a machine needle and a machine needle produced according to the method

    Also Published As

    Publication number Publication date
    CA2168502A1 (en) 1996-08-02
    US5666896A (en) 1997-09-16
    DE59506030D1 (en) 1999-07-01
    JP3088651B2 (en) 2000-09-18
    DE19503048C1 (en) 1996-03-14
    EP0725176A3 (en) 1996-08-21
    DE19503048C2 (en) 1999-09-23
    JPH08232162A (en) 1996-09-10
    CA2168502C (en) 2001-02-27
    ES2131748T3 (en) 1999-08-01
    EP0725176A2 (en) 1996-08-07

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