EP0591470B1 - Device for clamping hook needles for a crocheting machine - Google Patents
Device for clamping hook needles for a crocheting machine Download PDFInfo
- Publication number
- EP0591470B1 EP0591470B1 EP92917529A EP92917529A EP0591470B1 EP 0591470 B1 EP0591470 B1 EP 0591470B1 EP 92917529 A EP92917529 A EP 92917529A EP 92917529 A EP92917529 A EP 92917529A EP 0591470 B1 EP0591470 B1 EP 0591470B1
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- European Patent Office
- Prior art keywords
- needles
- machine
- clamping
- teeth
- clamping device
- 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.)
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B25/00—Warp knitting machines not otherwise provided for
- D04B25/06—Galloon crocheting machines
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/06—Needle bars; Sinker bars
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
- D04B35/08—Spring or bearded needles
Definitions
- the invention relates to a device for clamping and guiding crochet hooks, in particular latch needles, pointed needles and the crochet hooks referred to by experts as "patent needles".
- the device is said to be applicable, generally in crochet machines, especially in crochet galloon machines.
- BERGER a device for clamping crochet hooks is known, which does not work there with a knock-off comb known per se, but with a knock-off rail with an upper free, straight edge.
- BERGER a special embodiment of the lower part and clamping cover of a clamping device for crochet hooks is known from the document EP-A-0 244 656 (BERGER).
- the present invention is intended to provide a clamping device which allows crochet needles to be clamped and guided in such a way that a previously unattainable, particularly fine division is possible, namely at least 12, in particular 14, but also more needles per cm machine width. It turned out to be unsuitable to mill grooves with such a high degree of fineness in cross-section. One problem was achieving the necessary precision. On the other hand, it turned out to be inappropriate to work with a straight top edge tee. Rather, it was necessary to guide the needle shafts in order to prevent the warp threads from being guided around the wrong or two crochet needle heads by the associated perforated needles. In addition, measures were taken necessary in order to ensure that the mutual spacing of the longitudinal threads of a ribbon to be crocheted or the like are precisely observed when stitching, even with the high desired fineness.
- the above object is achieved by the features of the characterizing part of claim 1 in particular in that the needle beds have a V-shape, that the comb has tines in a V-shape, and that the clamping device and holding rail of the comb are designed and arranged so that the right edge of the clamping device is to be brought close to the teeth of the comb.
- the features of the characterizing part of claim 1 in particular in that the needle beds have a V-shape, that the comb has tines in a V-shape, and that the clamping device and holding rail of the comb are designed and arranged so that the right edge of the clamping device is to be brought close to the teeth of the comb.
- the clamping device can be brought up very close to the tines of the needle comb, the storage of the crochet hooks within the clamping device also affects the part of the crochet hooks that projects into the open during operation via the tines.
- the tipped parts can be accommodated in an upwardly open groove of the tapping comb, whereby a high precision of the mutual spacing of the tines can be achieved.
- the shafts of the crochet hooks can have cross-sectional shapes other than those used.
- they can each have a pointed edge at the top and bottom, or a rounded edge according to claim 7.
- 1 and 2 show an arrangement of crochet tools similar to that of FIG. 1 of European Patent 0 110 271 (BERGER). 1 and 2, one of a plurality of crochet hooks 10 clamped in a clamping device 12 with a shaft 10a and a head 10b, as well as a piercing needle 2 from a group of piercing needles arranged next to one another on a piercing needle rail 3, which are used to feed warp threads 4.
- a thread comb 6 is used to feed a group of elastic threads 8.
- the elastic band 22 made by stitching is pulled down in the direction of arrow 26.
- This arrangement can be used, among other things, for the production of elastic ribbons with a crochet tip.
- a clamping device 12 for the shafts 10a of the crochet hooks shown on the left in FIGS. 1 and 2 is fastened in a known manner to a needle bar 25 and can be moved to the left and right with it.
- Fig. 2 shows the left end position, Fig. 1 the right.
- the clamping device 12 has a clamping cover 29 and a lower part 27, both of which are to be pressed together with the aid of screw bolts 19 for clamping the crochet hooks.
- Fig. 3 is a partial cross section of the clamping device in a plane VI-VI in Fig. 2.
- V-shaped grooves 73 and 74 with inclined wall surfaces 78 are milled close to each other.
- the grooves run over the entire width of the clamping cover and lower part which can be seen in FIG. 2 and all have the same shape and width.
- Fig. 3 only part of the grooves is shown. The group of grooves is thought to have been added to the right.
- a group of shafts 10a1 of crochet hooks is shown on the right in FIG. 3, each having a pointed edge 89 at the top and bottom (FIG. 7) (preferred shape).
- a single shaft 10a2 is shown on the left in FIG. 3, which has a different cross-sectional shape, namely rounded upper and lower sides. Only needles of a single cross-sectional shape are used in each case.
- each unit E in FIG. 3 of needle and associated space is 0.71 mm. So that the warp threads 4 and the elastic threads 8 and their knots can be passed between adjacent crochet hooks, gaps of 0.33 mm are required. This leaves a width of 0.38 mm for the crochet hooks.
- the needles can only be inserted into every second, third, fourth, etc. pair of grooves.
- the arrangement with triangular grooves makes it possible, on the one hand, to mill grooves very close to one another, which is necessary for the desired high pitch, and on the other hand to pull out individual needles after loosening the screw connection of the clamping device and to replace them with new ones, the other needles remaining unchanged in their previous position stay.
- clamping cover 29 and lower part 27 are pressed against one another by screw bolts 19.
- the clamping cover 29 cannot move in relation to the lower part 27 in a horizontal direction (right-left in FIG. 3), so that an oblique position of the needle shafts is reliably avoided.
- FIGS. 1 and 2 show a main traverse 21 which is arranged in a machine-fixed manner and to which a tapping comb 20 is attached.
- a retaining rail 24 is arranged in such a way that there is space between the two for pulling off the finished crocheted elastic bands 22.
- the clamping device 12 When using very thin crochet hooks 10, it is important that the clamping device 12 can be guided as close as possible to the prongs 86 of the tapping comb 20 so that the part of the crochet hooks protruding from the clamping device is as short as possible.
- the holding rail 23 on the one hand and the lower part 27 of the clamping device on the other hand have matching recesses, e.g. Bevels 77 and 76, respectively. As FIG. 1 shows, the clamping device can thus be brought close to the prongs 86.
- the clamping length of the crochet hook shafts is selected such that the heads 10b of the crochet hooks can be retracted to the left so far that they only protrude from the guide spaces between the prongs 86 by approximately 2 mm (FIG. 2).
- the stitches formed are knocked off in this position. Because the free-standing needle parts are guided very precisely, the use of very thin crochet needles of 0.38 mm width and less is made possible.
- the mutual distances between the needle heads are kept very precisely when knocking off. The result is a good-looking band in which the distances between the elastic threads 8 have no visible differences.
- FIGS. 4 and 5 show the formation of a tee comb 80.
- the same parts as in FIGS. 1 and 2 are given the same reference numerals here, so the holding rail 23 with a z. B. groove 23a produced by milling.
- Thin plates 82 are inserted next to one another in this groove and fastened by gluing.
- Each plate has triangular tines 86 at the top (with sloping wall surfaces 85) of the same size and shape as the tines that result between the needle beds 73 and 74 according to FIG. 3.
- Each plate 82 has a greater horizontal length than that shown in Fig. 4, so that a group can be guided together from a single plate to crochet a band of cooperating needles.
- needles can be used, the shafts 10a1 of which have a pointed edge 89 at the top and bottom, as shown in FIG. 7.
- the plates 82 are made e.g. B. made of brass. Copper, bronze or a suitable plastic can also be used, so that there is as little friction as possible between the channels 84 and the crochet hooks 10 made of steel.
- the mutual height of the crochet hooks 10 and the grooves 84 according to FIGS. 4 and 5 is adjusted so that the lower edges of the needles move freely back and forth within the grooves during operation.
- the crochet hooks only occasionally touch the walls of the grooves 84 when correction is required. In this way, the friction is reduced to a minimum.
- the needle beds 73 and 74 (FIG. 3) and the grooves 84 (FIG. 4) do not necessarily have to have a triangular shape, so they do not have to have a pointed bottom 83, and the tines 86 according to FIG. 4 and accordingly according to FIG. 3 must likewise do not run out in pointed edges 81.
- the bottoms of the grooves 84a can be designed as round surfaces 83a and the tines 86a run out in round surfaces 81a. This also applies accordingly to lower part 27 and clamping cover 29 according to FIGS. 1 and 2.
- the needle shafts 10a2 can have correspondingly rounded edges 90 (FIG. 8).
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Abstract
Description
Die Erfindung bezieht sich auf eine Vorrichtung zum Einspannen und Führen von Häkelnadeln, insbesondere Zungennadeln, Spitzennadeln und die unter Fachleuten "Patentnadeln" genannten Häkelnadeln. Die Vorrichtung soll anwendbar sein, allgemein bei Häkelmaschinen, insbesondere bei Häkelgalonmaschinen (crotchet galloon machines). Aus der Schrift EP-B1-0 110 271 (BERGER) ist eine Vorrichtung zum Einspannen von Häkelnadeln bekannt, die dort aber nicht mit einem an sich bekannten Abschlagkamm, sondern mit einer Abschlagschiene mit einer oberen freien, geraden Kante zusammenarbeitet. Andererseits ist eine spezielle Ausführungsform von Unterteil und Klemmdeckel einer Einspannvorrichtung für Häkelnadeln aus der Schrift EP-A-0 244 656 (BERGER) bekannt. Dort werden die Nadelschäfte in rechteckige Nuten von Unterteil und Klemmdeckel eingesetzt, zwischen denen rechteckige Stege verbleiben.The invention relates to a device for clamping and guiding crochet hooks, in particular latch needles, pointed needles and the crochet hooks referred to by experts as "patent needles". The device is said to be applicable, generally in crochet machines, especially in crochet galloon machines. From the document EP-B1-0 110 271 (BERGER) a device for clamping crochet hooks is known, which does not work there with a knock-off comb known per se, but with a knock-off rail with an upper free, straight edge. On the other hand, a special embodiment of the lower part and clamping cover of a clamping device for crochet hooks is known from the document EP-A-0 244 656 (BERGER). There the needle shafts are inserted into rectangular grooves in the lower part and clamping cover, between which rectangular bars remain.
Durch die vorliegende Erfindung soll eine Einspannvorrichtung geschaffen werden, die es gestattet, Häkelnadeln so einzuspannen und zu führen, daß eine bisher nicht erreichbare, besonders feine Teilung möglich wird, nämlich mindestens 12, insbesondere 14, jedoch auch mehr Nadeln je cm Maschinenbreite. Es erwies sich als unzweckmäßig, im Querschnitt rechteckige Nuten in dieser hohen Feinheit einzufräsen. Ein Problem war dabei die Erzielung der notwendigen Präzision. Andererseits erwies es sich als unzweckmäßig, mit einer Abschlagschiene mit gerader Oberkante zu arbeiten. Es war vielmehr nötig, die Nadelschäfte zu führen, um zu verhindern, daß von den zugehörigen Lochnadeln die Kettfäden um verkehrte oder je zwei Häkelnadelköpfe geführt werden. Darüber hinaus waren Maßnahmen nötig, um zu erreichen, daß auch bei der hohen erwünschten Feinheit die gegenseitigen Abstände der Längsfäden eines zu häkelnden Bandes od. dgl. bei der Maschenbildung genau eingehalten werden.The present invention is intended to provide a clamping device which allows crochet needles to be clamped and guided in such a way that a previously unattainable, particularly fine division is possible, namely at least 12, in particular 14, but also more needles per cm machine width. It turned out to be unsuitable to mill grooves with such a high degree of fineness in cross-section. One problem was achieving the necessary precision. On the other hand, it turned out to be inappropriate to work with a straight top edge tee. Rather, it was necessary to guide the needle shafts in order to prevent the warp threads from being guided around the wrong or two crochet needle heads by the associated perforated needles. In addition, measures were taken necessary in order to ensure that the mutual spacing of the longitudinal threads of a ribbon to be crocheted or the like are precisely observed when stitching, even with the high desired fineness.
Die obengenannte Aufgabe wird durch die Merkmale des kennzeichnenden Teils von Anspruch 1 insbesondere dadurch gelöst, daß die Nadelbetten V-Form haben, daß der Abschlagkamm Zinken in V-Form aufweist, und daß die Klemmvorrichtung und Halteschiene des Abschlagkammes so ausgebildet und angeordnet sind, daß der rechte Rand der Klemmvorrichtung bis dicht an die Zinken des Abschlagkammes heranzuführen ist. Auf diese Weise lassen sich überraschender Weise Bänder, insbesondere elastische Bänder häkeln, deren Längsfäden auch bei einer Teilung von insbesondere 14 je cm Maschinenbreite gleiche gegenseitige Abstände haben, so daß ein sehr gleichmäßig aussehendes Band erzeugt werden kann.The above object is achieved by the features of the characterizing part of claim 1 in particular in that the needle beds have a V-shape, that the comb has tines in a V-shape, and that the clamping device and holding rail of the comb are designed and arranged so that the right edge of the clamping device is to be brought close to the teeth of the comb. In this way, it is surprisingly possible to crochet ribbons, in particular elastic ribbons, the longitudinal threads of which have the same mutual spacing, even with a division of in particular 14 per cm of machine width, so that a very uniform-looking ribbon can be produced.
Ferner werden die Probleme der Einspannung und Führung der Häkelnadeln auf einwandfreie Weise gelöst. Als wesentlich für die hohe Präzision bei der Herstellung der Nuten der Klemmvorrichtung und der präzisen Einspannung der Nadelschäfte erwies sich die V-artige Anordnung der Wandflächen der Nuten (Nadelbetten).Furthermore, the problems of clamping and guiding the crochet hooks are solved in a flawless manner. The V-like arrangement of the wall surfaces of the grooves (needle beds) proved to be essential for the high precision in the production of the grooves of the clamping device and the precise clamping of the needle shafts.
Dadurch, daß die Klemmvorrichtung bis sehr dicht an die Zinken des Nadelkammes herangeführt werden kann, wirkt sich die Lagerung der Häkelnadeln innerhalb der Klemmvorrichtung auch auf den Teil der Häkelnadeln aus, der im Betrieb über die Zinken ins Freie vorsteht.The fact that the clamping device can be brought up very close to the tines of the needle comb, the storage of the crochet hooks within the clamping device also affects the part of the crochet hooks that projects into the open during operation via the tines.
Nach Anspruch 2 lassen sich die mit Zinken versehenen Teile in einer nach oben offenen Nut des Abschlagkammes unterbringen, wodurch eine hohe Präzision der gegenseitigen Abstände der Zinken erzielbar ist.According to claim 2, the tipped parts can be accommodated in an upwardly open groove of the tapping comb, whereby a high precision of the mutual spacing of the tines can be achieved.
Schließlich können die Schäfte der Häkelnadeln andere als die gebräuchlichen Querschnittsformen haben. Sie können insbesondere gemäß Anspruch 6 oben und unten je eine spitze Kante oder gemäß Anspruch 7 eine abgerundete Kante haben.Finally, the shafts of the crochet hooks can have cross-sectional shapes other than those used. In particular, they can each have a pointed edge at the top and bottom, or a rounded edge according to claim 7.
Ausführungsbeispiele mit weiteren Merkmalen der Erfindung werden im folgenden anhand der Zeichnungen beschrieben.
- Fig. 1 und 2
- zeigen in Seitenansicht einen Satz Häkelwerkzeuge einer Galonhäkelmaschine in zwei extremen Betriebsstellungen.
- Fig. 3
- ist ein lotrechter Teilquerschnitt in der Ebene IV-IV in Fig. 2 durch die dort dargestellte Klemmvorrichtung und eingespannte Häkelnadeln verschiedener Querschnittsformen.
- Fig. 4
- zeigt in Seitenansicht von rechts einen der in Fig. 2 dargestellten Abschlagkämme mit dreieckigen Zinken, jedoch ohne Häkelnadeln.
- Fig. 5
- ist ein Querschnitt durch den Abschlagkamm nach Fig. 4.
- Fig. 6
- zeigt eine andere Ausführungsform von Zinken eines Abschlagkammes.
- Fig. 7 und 8
- sind Querschnitte durch zwei verschiedene Ausführungsformen von Häkelnadeln.
- 1 and 2
- show a side view of a set of crochet tools of a gallon crochet machine in two extreme operating positions.
- Fig. 3
- is a vertical partial cross section in the plane IV-IV in Fig. 2 by the clamping device shown there and clamped crochet hooks of different cross-sectional shapes.
- Fig. 4
- shows a side view from the right one of the tapping combs shown in Fig. 2 with triangular prongs, but without crochet hooks.
- Fig. 5
- 4 is a cross section through the tapping comb of FIG. 4.
- Fig. 6
- shows another embodiment of teeth of a comb.
- 7 and 8
- are cross sections through two different embodiments of crochet hooks.
Fig. 1 und 2 zeigen eine Anordnung von Häkelwerkzeugen ähnlich der nach Fig. 1 der europäischen Patentschrift 0 110 271 (BERGER). Man erkennt in Fig. 1 und 2 eine von mehreren in eine Klemmvorrichtung 12 eingespannten Häkelnadeln 10 mit einem Schaft 10a und einem Kopf 10b, sowie eine Lochnadel 2 aus einer Gruppe nebeneinander an einer Lochnadelschiene 3 angeordneter Lochnadeln, die zur Zuführung von Kettfäden 4 dienen. Ein Fadenkamm 6 dient zur Zuführung einer Gruppe elastischer Fäden 8. Schußfadenführer 14 und 15, die quer zur Zeichenebene bewegt werden, dienen zur Zuführung von Schußfäden 17 und 18. Das durch Maschenbildung gefertigte elastische Band 22 wird in Richtung des Pfeils 26 nach unten abgezogen.1 and 2 show an arrangement of crochet tools similar to that of FIG. 1 of European Patent 0 110 271 (BERGER). 1 and 2, one of a plurality of
Diese Anordnung läßt sich unter anderem zur Herstellung elastischer Bänder mit Häkelspitze verwenden.This arrangement can be used, among other things, for the production of elastic ribbons with a crochet tip.
Eine in Fig. 1 und 2 links dargestellte Klemmvorrichtung 12 für die Schäfte 10a der Häkelnadeln ist in bekannter Weise an einer Nadelbarre 25 befestigt und mit dieser nach links und rechts bewegbar. Fig. 2 zeigt die linke Endstellung, Fig. 1 die rechte. Die Klemmvorrichtung 12 hat einen Klemmdeckel 29 und einen Unterteil 27, die beide mit Hilfe von Schraubbolzen 19 zum Einspannen der Häkelnadeln aneinanderzudrücken sind.A
Fig. 3 ist ein Teilquerschnitt der Klemmvorrichtung in einer Ebene VI-VI in Fig. 2. In Klemmdeckel 29 und Unterteil 27 sind, einander exakt gegenüberliegend, dicht nebeneinander V-förmige Nuten 73 bzw. 74 mit schrägen Wandflächen 78 gefräst. Die Nuten verlaufen über die ganze in Figur 2 erkennbare Breite von Klemmdeckel und Unterteil und haben alle die gleiche Form und Breite. In Fig. 3 ist nur ein Teil der Nuten dargestellt. Die Gruppe der Nuten hat man sich nach rechts ergänzt zu denken.Fig. 3 is a partial cross section of the clamping device in a plane VI-VI in Fig. 2. In the
In Figur 3 rechts ist eine Gruppe von Schäften 10a1 von Häkelnadeln dargestellt, die oben und unten je eine spitze Kante 89 (Figur 7) haben, (bevorzugte Form). Links in Figur 3 ist ein einzelner Schaft 10a2 dargestellt, der eine andere Querschnittsform hat, nämlich abgerundete Ober- und Unterseiten. Es werden jeweils nur Nadeln einer einzigen Querschnittsform eingesetzt.A group of shafts 10a1 of crochet hooks is shown on the right in FIG. 3, each having a
Bei einer 14er-Teilung beträgt jede Einheit E in Fig. 3 aus Nadel und zugehörigem Zwischenraum 0,71 mm. Damit die Kettfäden 4 und die elastischen Fäden 8 sowie ihre Knoten zwischen benachbarten Häkelnadeln hindurchgeführt werden können, sind Zwischenräume von 0,33 mm erforderlich. Damit verbleibt für die Häkelnadeln eine Breite von 0,38 mm.With a division of 14, each unit E in FIG. 3 of needle and associated space is 0.71 mm. So that the warp threads 4 and the
Für eine 15er-Teilung und noch feinere Teilungen gilt Entsprechendes.The same applies to a division of 15 and even finer divisions.
Zur Erzielung gröberer Teilungen, als in Figur 3 rechts dargestellt, können die Nadeln nur in jedes zweite, dritte, vierte usw. Nutpaar gesetzt werden.To achieve coarser divisions than shown on the right in FIG. 3, the needles can only be inserted into every second, third, fourth, etc. pair of grooves.
Die Anordnung mit dreieckigen Nuten ermöglicht es einerseits, Nuten sehr dicht nebeneinander einzufräsen, was für die erwünschte hohe Teilung erforderlich ist, andererseits einzelne Nadeln nach Lösen der Verschraubung der Klemmvorrichtung herauszuziehen und durch neue zu ersetzen, wobei die übrigen Nadeln in ihrer bisherigen Position unverändert liegen bleiben.The arrangement with triangular grooves makes it possible, on the one hand, to mill grooves very close to one another, which is necessary for the desired high pitch, and on the other hand to pull out individual needles after loosening the screw connection of the clamping device and to replace them with new ones, the other needles remaining unchanged in their previous position stay.
Wie Fig. 1 und 2 zeigen, werden Klemmdeckel 29 und Unterteil 27 durch Schraubbolzen 19 gegeneinander gepreßt. Durch nicht dargestellte, aber bekannte Mittel wird dafür gesorgt, daß sich der Klemmdeckel 29 nicht gegenüber dem Unterteil 27 in waagerechter Richtung (rechts-links in Figur 3) verschieben kann, so daß eine Schiefstellung der Nadelschäfte sicher vermieden wird.1 and 2 show, clamping
Figur 1 und 2 zeigen eine maschinenfest angeordnete Haupttraverse 21, an der ein Abschlagkamm 20 befestigt ist. Zum Abschlagkamm gehört eine plattenartige Halteschiene 23, die sich in Richtung der Maschinenbreite erstreckt und lotrecht steht. Wie in Fig. 1 und 2 dargestellt ist, ist von oben her in die Halteschiene eine Nut 23a gefräst.FIGS. 1 and 2 show a
In Fig. 1 und 2 rechts vom Abschlagkamm 20 ist eine Rückhalteschiene 24 angeordnet, und zwar so, daß zwischen beiden Platz zum Abziehen der fertig gehäkelten elastischen Bänder 22 bleibt.1 and 2 to the right of the
Bei Verwendung sehr dünner Häkelnadeln 10 ist es wichtig, daß die Klemmvorrichtung 12 möglichst dicht an die Zinken 86 des Abschlagkammes 20 geführt werden kann, damit der aus der Klemmvorrichtung vorstehende Teil der Häkelnadeln möglichst kurz wird. Um dies zu ermöglichen, haben die Halteschiene 23 einerseits und der Unterteil 27 der Klemmvorrichtung andererseits zueinander passende Ausnehmungen, z.B. Abschrägungen 77 bzw. 76. Wie Fig. 1 zeigt, läßt sich so die Klemmvorrichtung bis dicht an die Zinken 86 heranführen.When using very thin crochet hooks 10, it is important that the
Dazu passend ist die Einspannlänge der Häkelnadel-Schäfte so gewählt, daß die Köpfe 10b der Häkelnadeln so weit nach links zurückgezogen werden können, daß sie nur noch um etwa 2 mm aus den Führungsräumen zwischen den Zinken 86 vorstehen (Figur 2). In dieser Position werden die gebildeten Maschen abgeschlagen. Dadurch, daß die freistehenden Nadelteile sehr präzise geführt sind, wird die Verwendung sehr dünner Häkelnadeln von 0,38 mm Breite und weniger ermöglicht. Andererseits werden die gegenseitigen Abstände der Nadelköpfe beim Abschlagen sehr genau eingehalten. So ergibt sich ein gutaussehendes Band, bei dem die Abstände zwischen den elastischen Fäden 8 keine sichtbaren Unterschiede haben.To this end, the clamping length of the crochet hook shafts is selected such that the
Fig. 4 und 5 zeigen die Ausbildung eines Abschlagkammes 80. Gleiche Teile wie in Fig. 1 und 2 sind hier mit denselben Bezugszeichen versehen, so die Halteschiene 23 mit einer z. B. durch Fräsen hergestellten Nut 23a. In diese Nut werden nebeneinander dünne Platten 82 eingesetzt und durch Kleben befestigt. Jede Platte hat oben dreieckige Zinken 86 (mit schrägen Wandflächen 85) von der gleichen Größe und Form wie die Zinken, die sich nach Figur 3 zwischen den Nadelbetten 73 und 74 ergeben. Jede Platte 82 hat eine größere waagerechte Länge als in Fig. 4 dargestellt, so daß eine Gruppe gemeinsam zum Häkeln eines Bandes zusammenwirkender Nadeln von einer einzigen Platte geführt werden kann.4 and 5 show the formation of a
Passend zu dieser Dreieckform der Zinken und Rinnen können Nadeln verwendet werden, deren Schäfte 10a1 oben und unten je eine spitze Kante 89 haben, wie es Fig. 7 zeigt.Matching this triangular shape of the tines and grooves, needles can be used, the shafts 10a1 of which have a pointed
Die Platten 82 bestehen z. B. aus Messing. Auch Kupfer, Bronze oder ein passender Kunststoff können verwendet werden, so daß sich möglichst wenig Reibung zwischen den Rinnen 84 und den aus Stahl bestehenden Häkelnadeln 10 ergibt.The
Die gegenseitige Höhenlage der Häkelnadeln 10 und der Rinnen 84 nach Figur 4 und 5 wird so justiert, daß im Betrieb die Unterkanten der Nadeln sich frei innerhalb der Rinnen hin und her bewegen. Infolgedessen berühren die Häkelnadeln die Wände der Rinnen 84 nur gelegentlich, wenn eine Korrektur erforderlich ist. Auf diese Weise wird die Reibung auf ein Mindestmaß herabgesetzt.The mutual height of the crochet hooks 10 and the
Die Nadelbetten 73 und 74 (Fig. 3) und die Rinnen 84 (Fig. 4) müssen nicht unbedingt Dreieckform haben, sie müssen also nicht einen spitzen Boden 83 haben, Und die Zinken 86 nach Fig. 4 und entsprechend nach Fig. 3 müssen ebenfalls nicht in spitzen Kanten 81 auslaufen. Wie Fig. 6 zeigt, können die Böden der Rinnen 84a als Rundflächen 83a ausgebildet sein und die Zinken 86a in Rundflächen 81a auslaufen. Dies gilt entsprechend auch für Unterteil 27 und Klemmdeckal 29 nach Fig. 1 und 2.The
Bei Verwendung von Platten 82a mit Rinnen 84a nach Fig. 6 können die Nadelschäfte 10a2 entsprechend abgerundete Kanten 90 haben (Figur 8).When using
Die beschriebenen Konstruktionen lassen sich sinngemäß andersartigen Häkelvorrichtungen anpassen.The constructions described can be adapted to different types of crochet devices.
- 22nd
- LochnadelPerforated needle
- 33rd
- LochnadelschienePerforated needle rail
- 44th
- KettfadenWarp thread
- 66
- FadenkammThread comb
- 88th
- elastische Fädenelastic threads
- 1010th
- HäkelnadelCrochet hook
- 10a, 10a1, 10a2,10a, 10a1, 10a2,
- Schaftshaft
- 10b10b
- Kopfhead
- 1212th
- KlemmvorrichtungClamping device
- 14, 1514, 15
- SchußfadenführerWeft guide
- 17, 1817, 18
- SchußfadenWeft
- 2020th
- AbschlagkammTee comb
- 2121
- Haupttraverse, maschinenfestMain traverse, machine-safe
- 2222
- elastische Bänderelastic bands
- 2323
- HalteschieneHolding rail
- 23a23a
- NutGroove
- 2424th
- RückhalteschieneRestraint rail
- 2525th
- NadelbarreNeedle bar
- 2626
- Pfeilarrow
- 2727
- Unterteil der KlemmvorrichtungLower part of the clamping device
- 2929
- KlemmdeckelClamp cover
- 73, 7473, 74
- NadelbettNeedle bed
- 76, 7776, 77
- Abschrägungbevel
- 7878
- WandflächeWall surface
- 8080
- AbschlagkammTee comb
- 8181
- spitze Kantepointed edge
- 81a81a
- RundflächeRound surface
- 82, 82a82, 82a
- Platteplate
- 8383
- spitzer Rinnenbodenpointed gutter bottom
- 83a83a
- RundflächeRound surface
- 84, 84a84, 84a
- RinneGutter
- 8585
- WandflächeWall surface
- 86, 86a86, 86a
- Zinkeprong
- 89, 9089, 90
- KanteEdge
- EE
- Einheitunit
Claims (7)
- Device for clamping and guiding hook needles, in particular latch, spring or patent needles for a crochet machine, in particular a crochet galloon machine,a) where straight needle beds (73, 74) are arranged opposite each other and close together in the lower part (27) and in the clamping cover (29) of a clamping device (12) for the shanks (10a) of the hook needles (10),b) and where the pitch of the needle beds and guide elements is at least 12 and in particular 14 and more per centimetre of machine width,characterized in thatc) the two mutually opposed needle beds (73, 74) for the hook needles have wall surfaces (78) arranged at an angle to each other in the form of a V,d) a knockover comb (20, 80) fixed to the machine has upwardly projecting teeth (86) for guiding the needles,e) the teeth (86) and the troughs (84) located between them have wall surfaces (85) arranged at an angle to each other in the form of a V,f) a holding bar (23) fixed to the machine and the lower part (27) of the clamping device (12) have recesses in particular chamfers (77, 76) facing each other which allow the clamping device to approach closely to the teeth (86).
- Device according to Claim 1, characterized in that the knockover comb (23, 80) has an open-top groove (23a) to hold plates (82) fitted with teeth (86).
- Device according to Claim 1 or 2, characterized in that the wall surfaces (85) of the teeth (86) form pointed edges (81) and/or trough bases (83) with each other on at least one of their edges.
- Device according to any of Claims 1 to 3, characterized in that the parts fitted with teeth consist of a material which has low friction against the steel of the hook needles, in particular, brass, copper, bronze or plastic.
- Device according to Claim 1 or 2, characterized in that the wall surfaces merge into each other by means of round surfaces (81a, 83a) on at least one of their edges.
- Device according to any of Claims 1 to 3, characterized in that the shanks (10a1) of the hook needles have a pointed edge (89) at the top and bottom.
- Device according to any of Claims 1 or 5, characterized in that the shanks (10a2) of the hook needles have a rounded edge (90) at the top and bottom.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4131809A DE4131809A1 (en) | 1991-09-24 | 1991-09-24 | DEVICE FOR CLAMPING AND GUIDING CROCHET NEEDLES FOR A CROCHET MACHINE |
DE4131809 | 1991-09-24 | ||
PCT/EP1992/001865 WO1993006288A1 (en) | 1991-09-24 | 1992-08-14 | Device for clamping hook needles for a crocheting machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0591470A1 EP0591470A1 (en) | 1994-04-13 |
EP0591470B1 true EP0591470B1 (en) | 1995-06-28 |
Family
ID=6441394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92917529A Expired - Lifetime EP0591470B1 (en) | 1991-09-24 | 1992-08-14 | Device for clamping hook needles for a crocheting machine |
Country Status (25)
Country | Link |
---|---|
US (1) | US5442936A (en) |
EP (1) | EP0591470B1 (en) |
JP (1) | JPH07509542A (en) |
KR (1) | KR940702572A (en) |
AT (1) | ATE124478T1 (en) |
AU (1) | AU670917B2 (en) |
BR (1) | BR9206437A (en) |
CA (1) | CA2119869C (en) |
CZ (1) | CZ282474B6 (en) |
DE (2) | DE4131809A1 (en) |
DK (1) | DK0591470T3 (en) |
ES (1) | ES2073933T3 (en) |
FI (1) | FI940682A (en) |
GR (1) | GR3017206T3 (en) |
HU (1) | HUT68383A (en) |
MX (1) | MX9205399A (en) |
NO (1) | NO180310C (en) |
NZ (1) | NZ244380A (en) |
PL (1) | PL170293B1 (en) |
RU (1) | RU2091525C1 (en) |
SI (1) | SI9200221A (en) |
TR (1) | TR26062A (en) |
WO (1) | WO1993006288A1 (en) |
YU (1) | YU84192A (en) |
ZA (1) | ZA926684B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4238250A1 (en) * | 1992-11-12 | 1994-05-19 | Berger Gmbh | Device on a warp knitting machine for crocheting an elastic band with fleece and possibly for crocheting picos, and elastic band produced with this device |
DE4321059A1 (en) * | 1993-06-24 | 1995-01-05 | Berger Gmbh | Device for clamping and guiding crochet hooks for a crochet machine |
US5577401A (en) * | 1995-11-15 | 1996-11-26 | Monarch Knitting Machinery Corp. | Knitting machine cylinder having a hardened top insert ring and method of making same |
DE19621382C2 (en) * | 1996-05-28 | 2002-02-14 | Berger Gmbh | Elastic band and device on a warp knitting machine for producing the band |
DE102006004099B3 (en) | 2006-01-28 | 2007-07-19 | Karl Mayer Textilmaschinenfabrik Gmbh | Knitting needle, especially for a warp knitting machine, comprises an attachment region whose front or rear side is wider than the opposite side |
DE102006004098B3 (en) * | 2006-01-28 | 2007-09-06 | Karl Mayer Textilmaschinenfabrik Gmbh | Needle bar of a knitting machine, comprises grooves for housing the knitting elements, which are arranged adjacent to one another along the longitudinal direction of extension of the needle bar |
DE502007001850D1 (en) * | 2007-05-03 | 2009-12-10 | Groz Beckert Kg | Knitting machine tool, especially for finest division |
DE502007001851D1 (en) * | 2007-05-03 | 2009-12-10 | Groz Beckert Kg | Inside guided needle |
EP3354782B1 (en) * | 2017-01-25 | 2019-08-07 | Karl Mayer Textilmaschinenfabrik GmbH | Knitting element block and method for mounting of knitting elements |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD2169A1 (en) * | 1943-02-05 | 1952-10-09 | Textima Veb K | NEEDLE BARREL FOR FLATWORK MACHINES |
GB686354A (en) * | 1950-02-17 | 1953-01-21 | Tangeroise De Prod Chim Soc | Process for fractionating commercial hexachlorocyclohexane especially to obtain the ª†-isomer |
US2749729A (en) * | 1952-11-25 | 1956-06-12 | Kidde Mfg Co Inc | Needle bed structure for warp knitting machines |
US3823581A (en) * | 1973-02-02 | 1974-07-16 | C Russo | Knitting machine needle holder |
DE2439464A1 (en) * | 1974-08-16 | 1976-02-26 | Dalle & Cie Wervicq Sud Sa | Edging tape having tassels, prodn. - in which tassels are automatically introduced into loops of a support band |
DE3244014A1 (en) * | 1982-11-27 | 1984-05-30 | Johann 7071 Alfdorf Berger | CROCHET TOOLS FOR THE PRODUCTION OF TAPES ON A CROCHET GALON MACHINE |
DE3420693A1 (en) * | 1984-06-02 | 1985-12-05 | Johann 7071 Alfdorf Berger | CLAMPING DEVICE FOR CROCHET NEEDLES |
IT207414Z2 (en) * | 1986-03-07 | 1988-01-18 | Comez Spa | TUBE HOLDER BAR FOR FRAME FOR CROCHET GALLONS. |
ES2025247B3 (en) * | 1987-07-30 | 1992-03-16 | Textilma Ag | CROCHET MACHINE |
-
1991
- 1991-09-24 DE DE4131809A patent/DE4131809A1/en not_active Withdrawn
-
1992
- 1992-08-14 ES ES92917529T patent/ES2073933T3/en not_active Expired - Lifetime
- 1992-08-14 CA CA002119869A patent/CA2119869C/en not_active Expired - Fee Related
- 1992-08-14 CZ CZ94249A patent/CZ282474B6/en not_active IP Right Cessation
- 1992-08-14 AT AT92917529T patent/ATE124478T1/en active
- 1992-08-14 BR BR9206437A patent/BR9206437A/en not_active Application Discontinuation
- 1992-08-14 US US08/211,193 patent/US5442936A/en not_active Expired - Fee Related
- 1992-08-14 HU HU9400375A patent/HUT68383A/en unknown
- 1992-08-14 DE DE59202751T patent/DE59202751D1/en not_active Expired - Fee Related
- 1992-08-14 RU RU9294018510A patent/RU2091525C1/en active
- 1992-08-14 PL PL92302777A patent/PL170293B1/en unknown
- 1992-08-14 DK DK92917529.7T patent/DK0591470T3/en active
- 1992-08-14 EP EP92917529A patent/EP0591470B1/en not_active Expired - Lifetime
- 1992-08-14 JP JP5505717A patent/JPH07509542A/en active Pending
- 1992-08-14 AU AU24332/92A patent/AU670917B2/en not_active Ceased
- 1992-08-14 WO PCT/EP1992/001865 patent/WO1993006288A1/en active IP Right Grant
- 1992-08-14 KR KR1019940700958A patent/KR940702572A/en active IP Right Grant
- 1992-09-03 ZA ZA926684A patent/ZA926684B/en unknown
- 1992-09-16 YU YU84192A patent/YU84192A/en unknown
- 1992-09-17 NZ NZ244380A patent/NZ244380A/en unknown
- 1992-09-22 SI SI19929200221A patent/SI9200221A/en unknown
- 1992-09-23 MX MX9205399A patent/MX9205399A/en not_active IP Right Cessation
- 1992-09-23 TR TR92/0929A patent/TR26062A/en unknown
-
1994
- 1994-02-14 NO NO940500A patent/NO180310C/en unknown
- 1994-02-14 FI FI940682A patent/FI940682A/en not_active Application Discontinuation
-
1995
- 1995-08-23 GR GR950402319T patent/GR3017206T3/en unknown
Also Published As
Publication number | Publication date |
---|---|
CA2119869C (en) | 1998-02-03 |
YU84192A (en) | 1996-01-09 |
NO940500L (en) | 1994-02-14 |
ZA926684B (en) | 1993-03-09 |
US5442936A (en) | 1995-08-22 |
FI940682A0 (en) | 1994-02-14 |
NO180310B (en) | 1996-12-16 |
RU94018510A (en) | 1996-04-10 |
PL170293B1 (en) | 1996-11-29 |
DE59202751D1 (en) | 1995-08-03 |
EP0591470A1 (en) | 1994-04-13 |
KR940702572A (en) | 1994-08-20 |
JPH07509542A (en) | 1995-10-19 |
SI9200221A (en) | 1993-03-31 |
AU670917B2 (en) | 1996-08-08 |
AU2433292A (en) | 1993-04-27 |
GR3017206T3 (en) | 1995-11-30 |
DE4131809A1 (en) | 1993-03-25 |
HUT68383A (en) | 1995-06-28 |
NO940500D0 (en) | 1994-02-14 |
NO180310C (en) | 1997-03-26 |
ATE124478T1 (en) | 1995-07-15 |
ES2073933T3 (en) | 1995-08-16 |
CA2119869A1 (en) | 1993-04-01 |
CZ24994A3 (en) | 1994-05-18 |
BR9206437A (en) | 1994-08-02 |
FI940682A (en) | 1994-02-14 |
HU9400375D0 (en) | 1994-05-30 |
NZ244380A (en) | 1994-01-26 |
DK0591470T3 (en) | 1995-11-06 |
RU2091525C1 (en) | 1997-09-27 |
CZ282474B6 (en) | 1997-07-16 |
TR26062A (en) | 1994-12-15 |
MX9205399A (en) | 1993-07-01 |
WO1993006288A1 (en) | 1993-04-01 |
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