EP0110271B1 - Outil à crocheter pour la fabrication de rubans à un métier à crocheter pour galons - Google Patents

Outil à crocheter pour la fabrication de rubans à un métier à crocheter pour galons Download PDF

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Publication number
EP0110271B1
EP0110271B1 EP83111586A EP83111586A EP0110271B1 EP 0110271 B1 EP0110271 B1 EP 0110271B1 EP 83111586 A EP83111586 A EP 83111586A EP 83111586 A EP83111586 A EP 83111586A EP 0110271 B1 EP0110271 B1 EP 0110271B1
Authority
EP
European Patent Office
Prior art keywords
crochet
needles
needle
comb
clamped
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
Application number
EP83111586A
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German (de)
English (en)
Other versions
EP0110271A2 (fr
EP0110271A3 (en
Inventor
Johann Berger
Josef Berger
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Individual
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Individual
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 Individual filed Critical Individual
Priority to AT83111586T priority Critical patent/ATE14760T1/de
Publication of EP0110271A2 publication Critical patent/EP0110271A2/fr
Publication of EP0110271A3 publication Critical patent/EP0110271A3/de
Application granted granted Critical
Publication of EP0110271B1 publication Critical patent/EP0110271B1/fr
Expired legal-status Critical Current

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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
    • 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
    • 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 crochet tools for producing ribbons on a crochet gallon machine.
  • Known crochet gallon machines can be used to produce tapes on up to six crochet hooks per centimeter of working width. At most, individual patterns can still be made on eight crochet hooks per centimeter, but not large amounts of tape in continuous operation.
  • Raschel machines have six to eight times the purchase price of a crochet gallon machine. They also have a minimum working width of 2 to 3 m. For an efficient production, a larger number of belts must be produced side by side so that the entire working width is used. This means a relatively long upgrade time. Raschel machines can therefore only be used efficiently for the production of large quantities of strips. For smaller quantities, the use of a crochet galloon machine is economically preferable. It also has a working width of 35 to 80 cm.
  • a single crochet galloon machine can replace 20 braiding machines with two braiding points each or four weaving machines with four weaving points each, which shows the economic importance of using crochet galloon machines.
  • the needle shafts necessarily have play between the teeth of the needle comb. Since the needle heads sometimes have to protrude relatively far from the needle comb during the crochet process, the crochet hooks can also bend laterally. This means that occasionally warp threads are not placed in the correct but in adjacent needle heads, as well as in the fact that elastic threads to be acted on are not inserted into the correct gap between crochet hooks but next to them. In such cases it is no longer possible to form perfect mascne sticks.
  • the crochet hooks wear out due to the continuous back and forth movement within the needle comb.
  • the crochet needles must be exchanged approximately every two months. It is also uncomfortable that the crochet hooks are roughened by the friction of steel on steel, which leads to an uneven stitch pattern of the tapes produced.
  • the present invention is intended to design the crochet tools of a crochet gallon machine in such a way that tapes can be produced on more crochet hooks per cm working width than according to the prior art, in particular on at least ten crochet hooks per centimeter width. Nevertheless, the crochet hooks should be suitable for processing elastic threads. The crochet hooks should also be protected against wear.
  • the crochet hooks are housed in a clamping device that is moved back and forth with the needle bar.
  • the needle shafts are clamped up to a relatively large extent against the needle head so that their non-working areas can no longer bend laterally to a disruptive extent. Any game, such as between the prongs of the known needle combs, is switched off. (The “working area” of a needle is to be understood as the area on which loops of the stitches to be formed have to move back and forth.)
  • the shafts of the crochet hooks individually with a press fit, d. H. can be accommodated without play in the grooves of the clamping device.
  • crochet hooks can also be pressed against one another in the clamping device with the interposition of spacer plates.
  • Crochet hooks which are suitable for such a clamping device, only require straight shafts, that is, no hook at the shaft end, which simplifies and reduces the cost of producing the crochet hooks.
  • the crochet hooks can be inserted individually within each group. If the clamping slide is moved within the trough after inserting needle groups and clamped against the needle shafts, the crochet hooks are held together in groups.
  • a packet of needles can be replaced by a comb, in the slots of which the elastic threads are guided. This avoids lateral bending of individual thin needles. Furthermore, there is no need to laboriously thread the elastic threads into the eyelets of the needles. Finally, one avoids the S-shaped deflection of the elastic threads on the eyelets and the resulting friction. As is known, this friction leads to the roughening of the elastic threads and thus to a reduction in their breaking strength.
  • the known perforated needles which are used to insert the elastic threads, are moved up and down together with the inserts for the weft threads (weft thread guides) according to the prior art.
  • this up and down movement is only necessary for the weft thread insert itself, but not for the feed elements for the elastic threads.
  • the combs can therefore be arranged at a constant height relative to the tee rail, so that they perform a lateral reciprocating movement only according to claim 5. This reduces the friction on the elastic threads.
  • combs can be arranged in series and be adjustable with respect to the crochet hooks, so that the grooves of the combs can be properly adjusted with respect to the crochet hooks clamped in the clamping device.
  • the following known crochet tools are provided: groups of perforated needles 2 for feeding warp threads 4; a front tubular weft guide 14 for feeding the front weft 17 and a rear tubular weft guide 15 for feeding the rear weft 18.
  • groups of crochet hooks 10 or individual crochet hooks are clamped in a clamping device 12 or 12 according to the invention. If desired, elastic threads 8 are fed through combs 6.
  • FIGs 2 and 3 show an embodiment of a clamping device through which groups of crochet hooks can be clamped.
  • the clamping device 12 has a plate-like lower part 28 and a clamping cover 30.
  • four mutually parallel needle beds 32 can be seen in the lower part, which have a flat bottom 3 and side walls 36 running at right angles thereto. All four needle beds run parallel to each other.
  • Each has a sufficient width to accommodate a group of crochet hooks 10. Only in one of the needle beds has a group of only six crochet hooks 10 been shown. However, each needle bed can also hold more crochet hooks.
  • the clamping device is also equipped with a clamping slide 38 which has a rectangular cross section and is displaceably accommodated in a rectangular groove 40 in the lower part transversely to the crochet hooks 10.
  • the clamping slide also has wide needle beds, which are denoted here by 42 and also have a flat bottom and side walls arranged at right angles thereto.
  • the needle beds 34 and 42 of the lower part and the clamping slide are milled in one and the same operation, so that both groups of needle beds have the same widths and the same spacing.
  • the clamping slide 38 can be pulled with the aid of a clamping screw 44 against a plate 45 fastened to the lower part.
  • the groups of crochet hooks 10 are pressed by the upper edge of the needle beds 42 of the clamping slide 38 in FIG. 3 against the lower edges of the needle beds 32 of the lower part in FIG. 3 and are thus firmly clamped in place.
  • the clamping cover 30 is screwed onto the lower part 28 and the shafts 50 of the crochet hooks 10 with the aid of screw bolts 46.
  • the stems of the crochet hooks 10 are thus fixed both sideways and from top to bottom. It is no longer possible to move any kind of shafts against each other, such as bending the shafts.
  • the crochet hooks 10 each have a shaft 50, only the right part of which is shown, and a work area 52 which receives the loops of the stitches to be formed.
  • This working area can have a smaller width than the shaft 50.
  • crochet hooks can also be used, the working areas of which have the same width as the shafts.
  • spacer plates must be inserted between the shafts on the left (in Figure 2) in front of the work areas.
  • crochet hooks can be grouped together, which can be done by soldering or pouring into a later solidifying mass.
  • the mass can be a lead alloy or made of plastic. If needle packets produced in this way, that is to say groups of already firmly combined crochet hooks, are used, the clamping device (12) can be designed more simply than described. There is no need for the clamping slide 38, the channel 40 and the clamping screw 44.
  • the clamping device is on the needle bar 60 of the crochet galloon machine strengthens and is moved back and forth with this in the direction of the double arrow 62.
  • the tee-off rail 20 is fastened to the machine-fixed main traverse 64 of the crochet galloon machine. It extends up to just below the crochet hooks 10 and ends there with a straight edge 66.
  • FIGS. 6 and 7 show in detail the arrangement for feeding the elastic threads.
  • Each comb 6 has a plate-like part 70 which, at its lower edge in the figures, has an approximately triangular bead-like thickening 72 in cross section. Slits 74 are milled into this thickening, the base 75 of which runs parallel to the surface 76 of the plate-like part 70 at a distance a. The division of the slits is the same as that of the clamped chickens. When dividing ten, ten slots are milled into each centimeter. Both the slots and the webs 78 remaining between them then have a width of approximately 0.5 mm.
  • combs 6 are arranged side by side. Each has as many slots as a band should accommodate elastic threads 8. The combs can be adjusted against each other and are aligned with the pinched crochet hooks.
  • the elastic threads 8 are fed by feed rollers 80 and 82, the rotational speeds of which have a ratio of approximately 1: 3, so that the elastic threads are tensioned.
  • the threads then run around a deflection roller 84 and run through the slots 74.
  • Elastic bands 87 are formed at the work station 86 and are then drawn off by take-off rollers 88.
  • the speeds of the feed rollers 82 and the take-off rollers 88 behave approximately as 3: 4.
  • the elastic threads 8 and the elastic bands 87 thus receive an additional tension, whereby the elastic threads are held on the base 75 of the slits 74.
  • the combs 6 are attached to a guide rail of the crochet galloon machine so that they can be adjusted sideways and are moved back and forth with the guide rail by one needle pitch each.
  • the elastic threads are deflected only slightly, and the combs do not move in the longitudinal direction of the elastic threads, so that the friction is greatly reduced. Knots within the supplied elastic threads need only go through each comb from top to bottom once.
  • the thread guides 14 and 15 (FIG. 1) are moved in a known manner in the longitudinal direction of the combs and up and down.
  • FIGS. 8 and 9 show another embodiment of the clamping device and the crochet hooks 10 'have a rear bent end 90. Accordingly, the clamping cover 30' is less wide than that according to FIG. 2. The rear end of the clamping cover 30 'holds the needle end 90 in place. As is known per se, the clamping cover only presses against the needle shafts with its front and rear edges (right and left in FIG. 8). The same applies to the clamping cover 30 according to FIG. 2.
  • the lower part 28 ' has a needle bed with narrow grooves 92, the width of which is so dimensioned that the crochet hooks require only a certain amount of force, i. H. can be inserted into the grooves under interference fit.
  • Two grooves 92 are separated from one another by a web 94 of the same width. With ten needles per centimeter width, the needle shafts 50 'have the grooves 92 and the webs 94 widths of approximately 0.5 mm each. The exact dimensions result from the requirement that an interference fit must be achieved.
  • the working areas 52 'of the crochet hooks here have the same width as the shafts 50'.
  • the shafts 50 'of the crochet hooks are clamped over a length that is greater than half the length of the needles. If a crochet hook has a length of 77 mm, 47 to 49 mm will be clamped.
  • the grooves 92 shown in FIG. 9 extend in the same division over the entire length of the lower part 28 'of the clamping device, with the exception of those points which must remain free for the insertion of the screw bolts 46 (FIG. 2).
  • more or fewer crochet hooks are grouped together.
  • Each of these groups is then assigned one of the combs 6 shown in FIG. 6 and a group of needles 2 (FIG. 1). Both the combs and the groups of piercing needles are adjusted sideways with respect to the clamped crochet hooks. H. in the longitudinal direction of the clamping device 28 or 28 '.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Knitting Machines (AREA)
  • Knives (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Adornments (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Forging (AREA)

Claims (10)

1. Outils à crocheter pour la fabrication de rubans sur un métier à crocheter pour galons, caractérisés par les points suivants :
a) la barre d'aiguilles (60) du métier à crocheter pour galons présente un dispositif de blocagé (12, 12') dans lequel les tiges (50, 50') des aiguilles à filet (10, 10') sont enserrées sur plus de la moitié de la longueur de l'aiguille ;
b) au lieu d'un peigne d'abattage est prévue une barre d'abattage (20) solidaire du métier, présentant un bord libre rectiligne (66), le bord étant très proche, mais sans jeu, des parties des aiguilles à filet qui dépassent hors du dispositif de blocage.
2. Outils à crocheter selon la revendication 1, caractérisés en ce que les tiges (50') des aiguilles à filet (10') sont insérées individuellement, avec ajustement serré, dans des rainures (92) du dispositif de blocage (12') (figures 8 et 9).
3. Outils à crocheter selon la revendication 1, caractérisés en ce que les tiges des aiguilles à filet sont insérées sans jeu dans le dispositif de blocage avec interposition de plaques d'espacement.
4. Outils à crocheter selon la revendication 1, présentant les particularités suivantes :
a) le dispositif de blocage présente une partie inférieure en forme de plaque (28) munie d'au moins une fonture et un couvercle de blocage (30) qui peut être bloqué contre les aiguilles à filet et la partie inférieure (28) ;
b) dans la partie inférieure (28) du dispositif de blocage est prévue une gouttière (40) dirigée perpendiculairement aux fontures ;
c) un coulisseau de blocage (38) s'adaptant par sa section dans la rainure présente des fontures (42) qui sont disposées avec les mêmes espacements que les fontures (32) prévues dans la partie inférieure ;
d) il est prévu un dispositif de serrage qui sert à faire coulisser le coulisseau de blocage (38) dans la direction longitudinale de la gouttière (40) et donc à enserrer les aiguilles à filet,

caractérisé en-ce que pour enserrer au moins un groupe d'aiguilles à filet (10), les fontures (32) de la partie inférieure (28) et du coulisseau de blocage (38) ont chacune la forme d'un évidement plat à fond plan qui est plus large qu'au moins trois tiges (50).
5. Outils à crocheter pour la fabrication de rubans sur un métier à crocheter pour galons, en particulier selon l'une des revendications précédentes, présentant un dispositif d'amenée de fils élastiques et caractérisé par les points suivants :
a) le dispositif présente au moins une partie en forme de peigne (peigne 6) présentant des fentes (74) parallèles entre elles pour les fils élastiques ;
b) le pas de fentes du peigne est le même que le pas des aiguilles à filet enserrées (10) ;
c) un dispositif d'actionnement du peigne est conçu de telle sorte qu'il communique à celui-ci, au rythme de travail du métier à crocheter à galons, un décalage latéral, alternativement vers la gauche et vers la droite, chaque fois d'un pas d'aiguilles.
6. Outils à crocheter selon la revendication 5, caractérisés en ce que le peigne est disposé à une hauteur constante relativement à la barre d'abattage.
7. Outils à crocheter selon l'une des revendications 5 et 6, caractérisés en ce que plusieurs peignes (6) sont disposés en rangée et peuvent être ajustés relativement aux aiguilles à filet enserrées (10, 10').
8. Outils à crocheter selon l'une des revendications 5 à 7, caractérisés en ce que le peigne (6) est conçu sous forme d'élément pratiquement en forme de plaque (70) qui présente à l'un de ses bords longitudinaux un épaississement en forme de bourrelet (72), et en ce que les fentes (74) sont prévues dans l'épaississement et sont dirigées transversalement à celui-ci.
9. Outils à crocheter selon la revendication 8, caractérisés en ce que l'épaississement en forme de bourrelet (72) a une section pratiquement triangulaire de telle sorte que l'épaisseur de l'épaississement augmente en direction du bord longitudinal de l'élément en forme de plaque (70).
10. Outils à crocheter selon l'une des revendications 8 et 9, caractérisés en ce que le fond (75) présente un espacement (a) vis-à-vis d'une surface (76) de l'élément en forme de plaque.
EP83111586A 1982-11-27 1983-11-19 Outil à crocheter pour la fabrication de rubans à un métier à crocheter pour galons Expired EP0110271B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83111586T ATE14760T1 (de) 1982-11-27 1983-11-19 Haekelwerkzeuge zur herstellung von baendern auf einer haekelgalonmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823244014 DE3244014A1 (de) 1982-11-27 1982-11-27 Haekelwerkzeuge zur herstellung von baendern auf einer haekelgalonmaschine
DE3244014 1982-11-27

Publications (3)

Publication Number Publication Date
EP0110271A2 EP0110271A2 (fr) 1984-06-13
EP0110271A3 EP0110271A3 (en) 1984-07-11
EP0110271B1 true EP0110271B1 (fr) 1985-08-07

Family

ID=6179266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83111586A Expired EP0110271B1 (fr) 1982-11-27 1983-11-19 Outil à crocheter pour la fabrication de rubans à un métier à crocheter pour galons

Country Status (9)

Country Link
US (1) US4603561A (fr)
EP (1) EP0110271B1 (fr)
JP (1) JPS59112060A (fr)
AT (1) ATE14760T1 (fr)
AU (1) AU558995B2 (fr)
DD (1) DD212998A5 (fr)
DE (2) DE3244014A1 (fr)
ES (1) ES275965Y (fr)
PT (1) PT77744B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314751C2 (de) * 1992-05-07 2001-11-08 Heguplast V Gutwald Kg Kunstst Fadenführungssegment für Wirkmaschinen

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4708003A (en) * 1982-11-27 1987-11-24 Josef Berger Crochet tools for producing strips on a crochet galloon machine
IT1248369B (it) * 1991-04-29 1995-01-11 Luigi Omodeo Zorini Dispositivo di guida per fili elastici in telai per galloni ad uncinetto
DE4131809A1 (de) * 1991-09-24 1993-03-25 Berger Gmbh Vorrichtung zum einspannen und fuehren von haekelnadeln fuer eine haekelmaschine
DE4216579C2 (de) * 1992-05-07 1995-06-22 Langendorf Gmbh Wilhelm Fadenführungselement für Wirk- oder Strickmaschinen
DE4237562A1 (de) * 1992-11-06 1994-05-11 Berger Gmbh Kamm zur Zuführung gummielastischer Fäden an einer Häkelmaschine
DE4238250A1 (de) * 1992-11-12 1994-05-19 Berger Gmbh Vorrichtung an einer Kettenwirkmaschine zum Häkeln eines elastischen Bandes mit Flausch und gegebenfalls zum Häkeln von Picos, sowie mit dieser Vorrichtung hergestelltes elastisches Band
DE19508325A1 (de) * 1995-03-09 1996-09-12 Pwh Anlagen & Systeme Gmbh Mit einem Kollisionsschutz versehene Einrichtung zum Entladen von Schiffen
DE19607182C2 (de) * 1996-02-27 1999-11-11 Wilhelm Langendorf Gmbh I K Elastisches Band
DE19646217A1 (de) * 1996-11-08 1998-05-14 Berger Gmbh Vorrichtung an einer Kettenwirkmaschine zum Häkeln besonders feiner Bänder
EP1988199B1 (fr) * 2007-05-03 2009-10-28 Groz-Beckert KG Outil pour machine à tricoter chaîne, particulièrement pour jauge fine
EP1988198B1 (fr) * 2007-05-03 2010-03-03 Groz-Beckert KG Ensemble d'outils et barre pour machine à tricoter de type chaîne
EP2045385B1 (fr) * 2007-10-02 2010-04-21 Karl Mayer Textilmaschinenfabrik GmbH Agencement d'outil à tricoter et outil à tricoter
EP2336412B1 (fr) * 2009-12-16 2012-03-21 Groz-Beckert KG Aiguille de flottaison pour un métier à crochets pour galons
CN110344173A (zh) * 2019-07-17 2019-10-18 晋江市锦溢纺织机械有限公司 一种织带机高密度钩编机构

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314751C2 (de) * 1992-05-07 2001-11-08 Heguplast V Gutwald Kg Kunstst Fadenführungssegment für Wirkmaschinen

Also Published As

Publication number Publication date
US4603561A (en) 1986-08-05
ATE14760T1 (de) 1985-08-15
DE3360525D1 (en) 1985-09-12
AU2218683A (en) 1985-06-13
EP0110271A2 (fr) 1984-06-13
DD212998A5 (de) 1984-08-29
DE3244014A1 (de) 1984-05-30
AU558995B2 (en) 1987-02-19
ES275965U (es) 1984-07-16
JPH0342338B2 (fr) 1991-06-26
PT77744A (de) 1983-12-01
ES275965Y (es) 1985-02-16
EP0110271A3 (en) 1984-07-11
JPS59112060A (ja) 1984-06-28
PT77744B (de) 1986-03-27

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