EP2942429B1 - AIGUILLES à TRICOTER ET BARRE D'AIGUILLES - Google Patents

AIGUILLES à TRICOTER ET BARRE D'AIGUILLES Download PDF

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Publication number
EP2942429B1
EP2942429B1 EP14167287.3A EP14167287A EP2942429B1 EP 2942429 B1 EP2942429 B1 EP 2942429B1 EP 14167287 A EP14167287 A EP 14167287A EP 2942429 B1 EP2942429 B1 EP 2942429B1
Authority
EP
European Patent Office
Prior art keywords
needle
fact
boundary wall
knitting
knitting needle
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.)
Not-in-force
Application number
EP14167287.3A
Other languages
German (de)
English (en)
Other versions
EP2942429A1 (fr
Inventor
Zoe Bendig
Martin Schorlemmer
Tim Grundmann
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.)
Karl Mayer Textilmaschinenfabrik GmbH
Original Assignee
Karl Mayer Textilmaschinenfabrik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Karl Mayer Textilmaschinenfabrik GmbH filed Critical Karl Mayer Textilmaschinenfabrik GmbH
Priority to EP14167287.3A priority Critical patent/EP2942429B1/fr
Priority to CN201410319199.4A priority patent/CN105088517B/zh
Publication of EP2942429A1 publication Critical patent/EP2942429A1/fr
Application granted granted Critical
Publication of EP2942429B1 publication Critical patent/EP2942429B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • D04B35/06—Sliding-tongue needles

Definitions

  • the invention relates to a knitting needle with a bearing portion having a longitudinal extent, a lower boundary wall, an upper boundary wall and two lateral boundary walls, wherein the boundary walls extend in longitudinal extent, with a working area at one end of the bearing portion in the direction of the longitudinal extent and with a butt for receiving tensile forces at the other end of the bearing portion in the direction of the longitudinal extent, which projects beyond the bearing portion and extends at least partially parallel to the longitudinal extent.
  • the invention relates to a needle bar having a body, a needle holder attached to the body, having grooves formed between webs, the webs being interconnected by a base and a fixing layer being disposed between the base and the body.
  • Such a knitting needle and such a needle bar are made DE 44 14 703 C2 known.
  • knitting tools of the same type When producing a knitted fabric in a warp knitting machine, knitting tools of the same type must also be moved in the same way. Accordingly, similar knitting tools are arranged in a bar. When the bar is moved, the knitting tools are moved, thus ensuring that all knitting tools attached to the bar perform the same movement.
  • the needle holder has a plurality of grooves, in which the knitting tools can be used.
  • the knitting tools are supported by the two lateral boundary walls on the walls of the grooves.
  • the grooves extend in the longitudinal extension of the knitting needles.
  • the knitting needles must be able to absorb certain tensile forces in a stitch forming operation.
  • the knitting needles In order to prevent the tensile forces from displacing the knitting needles in the grooves, the knitting needles usually have a butt which extends beyond the lower boundary wall. This butt may enter into a depression on the body of the needle bar, as is apparent from the above DE 44 14 703 C2 is known.
  • this embodiment has the disadvantage that you need a corresponding groove in the body, which in particular presents certain problems when the body of the bar is formed from a carbon fiber reinforced plastic (CFRP).
  • CFRP carbon fiber reinforced plastic
  • the formation of a corresponding groove is possible.
  • the necessary tools wear out relatively quickly.
  • the formation of the groove in the manufacture of the body of the needle bar by releasing corresponding areas is not always possible.
  • DE 12 34 351 B shows a latch needle with a foot connecting, elevated rear end portion for circular knitting machines, in which the rear end portion and the foot in the area corresponding to the outer, extended needle guide slot, both sides have pressed-out elevations.
  • US 2006/0010924 A1 shows a knitting tool bar in the form of a needle bar whose body is composed of three open profiles.
  • a needle receptacle On the body, a needle receptacle is provided which has grooves formed between webs. At one end of the grooves, which faces away from the free end of the body, a groove extending in the longitudinal direction of the body is provided into which a foot of a knitting needle can be inserted.
  • EP 1 770 193 A1 shows a knitting machine bar in the form of a needle bar, in which an auxiliary element forms a needle holder. This auxiliary element is glued to the body of the barre.
  • the invention has for its object to ensure a secure attachment of knitting needles in the needle bar with little effort.
  • upper boundary wall “lower boundary wall” and “lateral boundary walls” are used here for clarity. They do not contain any restriction to an appropriate alignment of the knitting needle in the room. The alignment of the knitting needle in space results rather from the arrangement of the needle bar in a knitting machine.
  • the lower boundary wall is the boundary wall, with which the bearing portion of the knitting needle is inserted into the groove of the needle holder and which is then adjacent to the groove bottom. In many cases, the lower boundary wall forms a bearing surface, with which the bearing portion rests on the bottom of the groove of the needle holder.
  • the upper boundary wall is the boundary wall on the opposite side of the body. The two lateral boundary walls are located between the upper boundary wall and the lower boundary wall. These are the Walls of the groove adjacent when the knitting needle is inserted into the needle holder.
  • the needle foot still extends practically parallel to the longitudinal extent, the word "parallel" is not to be understood in the mathematically narrow sense, but it is laterally on a lateral boundary wall, so that the needle foot can now be supported on a bridge, the two adjacent grooves of the needle holder separates from each other. By this support the knitting needle is also held against tensile forces in the needle holder. One can then intercept at least a portion of the tensile forces on the web between the grooves of the needle holder, so that a supernatant of the needle butt on the lower boundary wall is no longer required to the extent, as was previously the case.
  • the bearing portion has a width and the needle butt projects less than the width, preferably less than 0.8 times the width, across the sidewall. This results in a relatively small projection.
  • a suitable dimensioning of the height of the supernatant so the extension between the upper boundary wall and the lower boundary wall, but you can ensure that the surface of the needle butt, which is supported on the needle holder and thus on the body, sufficient to those in the kneading process to absorb occurring tensile forces.
  • the fact that the size of the supernatant is limited, there is no space problems, even if one arranges a plurality of knitting needles side by side in the needle holder.
  • the needle foot is bent laterally.
  • the needle butt is thus transformed so that he figuratively speaking has an S- or Z-shaped course. This easily achieves the lateral projection over the lateral boundary wall.
  • a slot is provided between the needle foot and the bearing portion. You can then deform the needle foot without mitverformen the bearing section accordingly.
  • the slot is perpendicular to the lower boundary wall. This results in a simple way to the working area facing surface of the needle butt, which is perpendicular to the longitudinal extent and thus perpendicular to the tensile forces occurring in the kneading process.
  • the needle foot protrudes beyond the lower boundary wall.
  • This supernatant can be formed significantly lower than was previously the case. By overhanging the lower boundary wall, however, the area with which the needle foot can be supported on the body of the barre increased.
  • the needle foot has a thickening. Even with a thickening, which may also be provided in addition to the above Abkröpfen, it is possible to provide a corresponding support of the needle butt in the web, which separates adjacent grooves in the needle holder from each other.
  • the thickening is at least partially formed by a material application.
  • a material application For example, it is possible to apply an adhesive, welding or soldering point to the butt of the needle.
  • the thickening may be at least partially formed by a deformation.
  • the deformation can consist of upsetting or embossing. Regardless of the type of deformation is obtained a lateral projection of the needle butt over at least one of the lateral boundary walls.
  • the thickening may also be partially or partially formed by a joining element.
  • a joining element may be, for example, a rivet or a screw or simply a pin.
  • a retaining lug is provided on the end remote from the needle foot of the bearing portion, which protrudes beyond the lower boundary wall. This can secure the knitting needles in the longitudinal direction in two opposite directions against movement.
  • the retaining lug protrudes further than the needle butt over the lower boundary wall.
  • the body is usually at the end, so that one can also use a larger retaining lug without having problems in the formation of the body.
  • a needle bar having a body, a needle receptacle attached to the body, which has grooves formed between webs, wherein the webs are interconnected by a base and between the base and the body, a fastening layer is arranged, and at least one knitting needle, as described above, wherein the needle butt has a projection over the lower boundary wall which corresponds at most to the sum of the thicknesses of the base and the attachment layer.
  • an engagement in the body of the bar by a machining tool is practically no longer necessary.
  • the space required for the needle butt may be provided by the base and the attachment layer.
  • the attachment layer may be, for example, an adhesive layer.
  • a processing of the body is not required. Should one Deepening required, then this can already be realized in the production of the original form, because here no contact surfaces for the butt must be made.
  • the retaining lug projects beyond the lower boundary wall by more than the sum of the thicknesses of the base and the fastening layer. This makes it possible to rest the retaining lug directly on the body.
  • An effect needle 1 has a bearing section 2.
  • the bearing section 2 is a section of the knitting needle 1, with which the knitting needle 1 in grooves of a needle holder 3 (FIG. Fig. 5 ) is used.
  • the bearing section 2 has a lower boundary wall 4, an upper boundary wall 5 and two lateral boundary walls 6, 7. All boundary walls 4-7 extend in the longitudinal extension of the knitting needle. 1
  • lower boundary wall 4" refers to the representation of the knitting needle 1 in Fig. 1 , However, they do not define an absolute alignment of the knitting needle 1 in space. This orientation depends on a later use of the knitting needle 1 in a knitting machine.
  • the knitting needles 1 are used for use in a needle holder 3 a needle bar 8.
  • Each groove is bounded by two webs 9, 10.
  • the two lateral boundary walls 6, 7 are, when the knitting needle 1 is inserted into a corresponding groove, parallel to the webs 9, 10 and are held by the webs 9, 10.
  • the lower boundary wall 4 is a groove base 11 ( Fig. 4 ) adjacent and is often on the groove base 11 at.
  • the upper boundary wall 5 projects out of the groove or is directed towards the open end of the groove.
  • the knitting needle 1 has a working area 12 with a hook 13.
  • the knitting needle 1 has a needle foot 14, which is separated from the bearing section 2 by a slot 15.
  • the slot 15 extends substantially perpendicular to the longitudinal extent, so that the needle foot 14 has a working area 12 facing the front 16, which is perpendicular to the longitudinal extent.
  • the needle foot 14 can be supported with this front side 16 on the needle holder 3, as will be explained in more detail below.
  • the butt 14 is as shown in the Fig. 1 and 2 can be seen, about the lower boundary wall 4 something about. However, this projection can be kept relatively small, because the needle butt 14 also projects laterally beyond the lateral boundary wall 6 (see Fig. 2 ). The butt 14 is thus S- or Z-shaped out, or in other words, bent. The front side 16 of the needle butt 14 is thus no longer covered by the bearing section 2 in the longitudinal direction.
  • the needle foot 14 projects beyond the lateral boundary wall 6. But it is also possible that it overcomes the other lateral boundary wall 7. It can also survive over both lateral boundary walls.
  • the needle foot can now be supported on an end face of a web 9, 10 and thus absorb tensile forces acting in the longitudinal direction. This prevents that the knitting needle 1 is pulled out of the needle holder 3. Due to the lateral projection of the needle butt 14, a surface is provided on the front side 16 of the butt 14, which can absorb the forces. The projection of the butt 14 over the lower boundary wall 4 can thus be reduced by this area. In many cases, this supernatant can even be completely eliminated.
  • the lateral projection over the lateral boundary wall 6 corresponds at most to the width of the bearing section 2. It is even advantageous if the projection is smaller than the width of the bearing section 2, for example, at most 0.8 times the width of the bearing section 2 corresponds.
  • the needle foot 14 has a thickening.
  • This thickening may for example be formed at least partially by a material application, for example an adhesive, welding or soldering point.
  • the thickening may also be formed at least partially by a deformation. A deformation can be done for example by embossing or upsetting or bending.
  • the thickening may also be formed at least partially by a joining element.
  • the 4 and 5 now show a knitting needle 1 (in Fig. 4 in a slightly modified form) inserted into the needle holder 3.
  • the 4 and 5 show the needle bar 8 with a body 17, which is mainly formed of a carbon fiber reinforced plastic (CFRP). On the body 17, the needle holder 3 is glued.
  • An attachment layer 18 may be formed, for example, as an adhesive layer for this purpose.
  • the knitting needle 1 is located with its lower boundary wall 4 on the groove base 11 of the needle holder.
  • the needle holder has a base 19, with which the individual webs 9, 10 are connected to each other.
  • This base 19 has a certain thickness, which however can be very small.
  • the projection of the needle foot 14 on the lower boundary wall 4 is smaller than the sum of the thicknesses of the attachment layer 18 and base 19, so that you can provide the body 17 with a flat support surface 20 for the needle holder 3. This makes the manufacture of the body 17 relatively easy.
  • knitting needle has at the end of the bearing portion 2, which faces the working area 12, a retaining lug 21 which protrudes so far beyond the lower boundary wall 4 of the knitting needle 1 that they can be supported on the body 17 when the knitting needle 1 in the needle holder. 3 is used.
  • the retaining lug 21 is therefore longer than the sum of the thicknesses of the attachment layer 18 and the base 19.
  • the 6 and 7 show modified embodiments of a needle bar, wherein the same elements are provided with the same reference numerals.
  • the support surface 20 is provided with a recess 22 which is arranged where, in the mounted state, the needle foot 14 of the knitting needle 1 is located.
  • the supernatant of the needle butt 14 via the lower boundary wall 4 corresponds at most to the thickness of the base 19 and attachment layer 18.
  • the extension 23 may have a slightly greater thickness at the end of the needle butt 14, which faces away from the working area 12, than in the area of the bearing section 2 of the knitting needle 1.
  • a retaining lug 21 on the knitting needle 1 is not absolutely necessary. However, it can also be provided here.
  • Fig. 7 corresponds essentially to the embodiment Fig. 6 with the difference that the grooves of the needle holder 3 extend beyond the recess 24 and beyond the recess 24 have a discharge portion 25, in which a over the needle butt 14 in a direction away from the working area 12 facing supernatant can occur.
  • the outlet section has essentially manufacturing advantages.
  • the holder of the knitting needle 1 in the needle holder 3 it is not essential.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Claims (15)

  1. Aiguille à tricoter (1) pourvue d'une section de support (2), qui présente une extension longitudinale, une paroi de délimitation inférieure (4), une paroi de délimitation supérieure (5) et deux parois de délimitation latérales (6, 7), dans laquelle les parois de délimitation (4 à 7) s'étendent dans l'extension longitudinale, d'une zone de travail (12) à une extrémité de la section de support (2) dans la direction de l'extension longitudinale et d'un pied d'aiguille (14) pour recevoir des forces de traction à l'autre extrémité de la section de support (2) dans la direction de l'extension longitudinale, qui déborde sur la section de support (2) et s'étend au moins en partie parallèlement à l'extension longitudinale, caractérisée en ce que le pied d'aiguille (14) fait saillie latéralement sur au moins une paroi de délimitation latérale (6, 7) et forme un porte-à-faux latéral pour recevoir les forces de traction.
  2. Aiguille à tricoter selon la revendication 1, caractérisée en ce que la section de support (2) présente une largeur et le pied d'aiguille (14) fait saillie sur la paroi de délimitation latérale (6, 7) de moins de la largeur, de préférence de 0,8 fois la largeur.
  3. Aiguille à tricoter selon la revendication 1 ou 2, caractérisée en ce que le pied d'aguille (14) est coudé latéralement.
  4. Aiguille à tricoter selon la revendication 3, caractérisée en ce qu'il est prévu une fente (15) entre le pied d'aiguille (14) et la section de support (2).
  5. Aiguille à tricoter selon la revendication 4, caractérisée en ce que la fente (15) s'étend perpendiculairement à la paroi de délimitation inférieure (4).
  6. Aiguille à tricoter selon l'une quelconque des revendications 1 à 5, caractérisée en ce que le pied d'aiguille (14) fait saillie sur la paroi de délimitation inférieure (4).
  7. Aiguille à tricoter selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le pied d'aiguille (14) présente un épaississement.
  8. Aiguille à tricoter selon la revendication 7, caractérisée en ce que l'épaississement est formé au moins en partie d'un apport de matériau.
  9. Aiguille à tricoter selon la revendication 7 ou 8, caractérisée en ce que l'épaississement est formé au moins en partie par une déformation.
  10. Aiguille à tricoter selon l'une quelconque des revendications 1 à 10, caractérisée en ce que l'épaississement est formé au moins en partie par un élément de jonction.
  11. Aiguille à tricoter selon l'une quelconque des revendications 1 à 10, caractérisée en ce qu'il est prévu sur l'extrémité de la section de support (2) tournée à l'opposé du pied d'aiguille (14) un ressaut d'arrêt (21) qui fait saillie sur la paroi de délimitation inférieure (4).
  12. Aiguille à tricoter selon la revendication 11, caractérisée en ce que le ressaut d'arrêt (21) fait saillie sur la paroi de délimitation inférieure (4) plus que le pied d'aiguille (14).
  13. Barre d'aiguilles (8) présentant un corps (17), un logement d'aiguilles (3) fixé au corps, lequel logement présente des rainures formées entre des nervures (9, 10), dans laquelle les nervures (9, 10) sont reliées l'une à l'autre par une base (19) et une couche de fixation (18) est agencée entre la base (19) et le corps (17), et au moins une aiguille à tricoter (1) selon l'une quelconque des revendications 1 à 12, caractérisée en ce que le pied d'aiguille (14) présente un porte-à-faux sur la paroi de délimitation inférieure (4) qui correspond au maximum à la somme des épaisseurs de la base (19) et de la couche de fixation (18).
  14. Barre d'aiguilles selon la revendication 13, caractérisée en ce que le ressaut d'arrêt (21) fait saillie sur la paroi de délimitation inférieure (4) de plus de la somme des épaisseurs de la base (19) et de la couche de fixation (18).
  15. Barre d'aiguilles selon la revendication 14 ou 15, caractérisée en ce que le logement d'aiguille (3) présente une cavité (24) s'étendant transversalement aux rainures et les rainures se prolongent par une section de sortie (25) du côté opposé de la cavité (24).
EP14167287.3A 2014-05-07 2014-05-07 AIGUILLES à TRICOTER ET BARRE D'AIGUILLES Not-in-force EP2942429B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14167287.3A EP2942429B1 (fr) 2014-05-07 2014-05-07 AIGUILLES à TRICOTER ET BARRE D'AIGUILLES
CN201410319199.4A CN105088517B (zh) 2014-05-07 2014-07-07 织针和针座

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14167287.3A EP2942429B1 (fr) 2014-05-07 2014-05-07 AIGUILLES à TRICOTER ET BARRE D'AIGUILLES

Publications (2)

Publication Number Publication Date
EP2942429A1 EP2942429A1 (fr) 2015-11-11
EP2942429B1 true EP2942429B1 (fr) 2016-12-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14167287.3A Not-in-force EP2942429B1 (fr) 2014-05-07 2014-05-07 AIGUILLES à TRICOTER ET BARRE D'AIGUILLES

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EP (1) EP2942429B1 (fr)
CN (1) CN105088517B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT3587645T (pt) * 2018-06-29 2020-06-30 Karl Mayer R&D Gmbh Ferramenta de tricotar e método para a produção de uma ferramenta de tricotar
EP3636816B1 (fr) * 2020-02-17 2023-11-01 KARL MAYER STOLL R&D GmbH Procédé pour l'armure de la barre d'une machine à tricoter à mailles jetées avec des éléments de tricotage et un outil d'insertion

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414703C2 (de) * 1994-04-14 1996-09-19 Liba Maschf Wirknadel für eine Kettenwirkmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US674893A (en) * 1898-06-13 1901-05-28 Mayo Knitting Machine & Needle Company Knitting-machine needle.
DE1234351B (de) * 1961-06-22 1967-02-16 Agula S A Manufacture D Aiguil Zungennadel mit einer den Fuss verbindenden, erhoehten Hinterendpartie fuer Rundstrickmaschinen
DE502004006772D1 (de) * 2004-05-27 2008-05-21 Mayer Textilmaschf Wirkwerkzeug-Barre
EP1770193B1 (fr) * 2005-09-28 2011-01-12 Karl Mayer Textilmaschinenfabrik GmbH Barre pour un métier à mailles jetées et procédé de production
EP1813703B1 (fr) * 2006-01-25 2009-05-13 Groz-Beckert KG Aiguille pour machine à tricoter chaîne et barre à aiguilles
DE502007001850D1 (de) * 2007-05-03 2009-12-10 Groz Beckert Kg Wirkmaschinenwerkzeug, insbesondere für feinste Teilung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414703C2 (de) * 1994-04-14 1996-09-19 Liba Maschf Wirknadel für eine Kettenwirkmaschine

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CN105088517A (zh) 2015-11-25
CN105088517B (zh) 2017-04-12
EP2942429A1 (fr) 2015-11-11

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