EP0591470B1 - Dispositif pour le serrage et guidage d'aiguilles a crochet pour un metier a crocheter - Google Patents

Dispositif pour le serrage et guidage d'aiguilles a crochet pour un metier a crocheter Download PDF

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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
Authority
EP
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.)
Expired - Lifetime
Application number
EP92917529A
Other languages
German (de)
English (en)
Other versions
EP0591470A1 (fr
Inventor
Johann Berger
Fritz Schülein
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.)
Berger GmbH
Original Assignee
Berger 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 Berger GmbH filed Critical Berger GmbH
Publication of EP0591470A1 publication Critical patent/EP0591470A1/fr
Application granted granted Critical
Publication of EP0591470B1 publication Critical patent/EP0591470B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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).

Landscapes

  • Textile Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Knitting Machines (AREA)
  • Clamps And Clips (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Discharge By Other Means (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Sewing Machines And Sewing (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Labeling Devices (AREA)

Claims (7)

  1. Dispositif de serrage et de guidage d'aiguilles à crocheter, en particulier d'aiguilles à clapet, d'aiguilles à bec ou d'aiguilles dites "Patentnadeln" pour une machine à crocheter en particulier une machine à crocheter des galons (crotchet galloon machine),
    a) dans lequel des fontures (73, 74) droites, se faisant face les unes les autres sont juxtaposées serrées dans la partie inférieure (27) et dans le couvercle de serrage (29) d'un dispositif de serrage (12) pour les tiges (10a) des aiguilles à crocheter (10),
    b)et dans lequel la division des fontures et des éléments de guidage est égale au moins à 12, en particulier à 14 et plus par centimètre de largeur de machine,
       caractérisé en ce que
    c) les deux fontures (73, 74) se faisant face l'une l'autre pour les aiguilles à crocheter possèdent des surfaces de paroi (78) disposées obliquement en V i'une par rapport à l'autre,
    d)un peigne d'abattage (20, 80) solidaire de la machine comporte des dents (86) dirigées vers le haut, pour le guidage des aiguilles,
    e)les dents (86) et les gorges (84) se trouvant entre elles possèdent des surfaces de paroi (85) inclinées obliquement en V l'une vers l'autre,
    f)une barre de fixation (23) solidaire de la machine et la partie inférieure (27) du dispositif de serrage (12) possèdent des évidements opposés, en particulier des chanfreins (77, 76), qui permettent un rapprochement du dispositif de serrage tout contre les dents (86).
  2. Dispositif selon la revendication 1, caractérisé en ce que le peigne d'abattage (23, 80) comporte une rainure (23a) ouverte vers le haut destinée à loger des plaques (82) pourvues de dents (86).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les surfaces de paroi (85) des dents (86) forment, sur au moins l'un de leurs bords, des bords (81) pointus et/ou des fonds de gorges (83).
  4. Dispositif sel on l'une des revendications 1 à 3, caractérisé en ce que les éléments pourvus de dents sont réalisés dans un matériau peu sujet à friction à l'égard de l'acier des aiguilles à crocheter en particulier en laiton cuivre bronze ou matière plastique.
  5. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les surfaces de paroi se prolongent l'une l'autre sur au moins l'un de leurs bords par des surfaces arrondies (81a, 83a).
  6. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que les tiges (10a1) des aiguilles à crocheter possèdent un bord pointu (89) à la partie supérieure et à la partie inférieure.
  7. Dispositif sel on l'une des revendications 1 ou 5, caractérisé en ce que les tiges (10a2) des aiguilles à crocheter possèdent un bord (90) arrondi à la partie supérieure et à la partie inférieure.
EP92917529A 1991-09-24 1992-08-14 Dispositif pour le serrage et guidage d'aiguilles a crochet pour un metier a crocheter Expired - Lifetime EP0591470B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4131809 1991-09-24
DE4131809A DE4131809A1 (de) 1991-09-24 1991-09-24 Vorrichtung zum einspannen und fuehren von haekelnadeln fuer eine haekelmaschine
PCT/EP1992/001865 WO1993006288A1 (fr) 1991-09-24 1992-08-14 Dispositif pour le serrage et guidage d'aiguilles a crochet pour un metier a crocheter

Publications (2)

Publication Number Publication Date
EP0591470A1 EP0591470A1 (fr) 1994-04-13
EP0591470B1 true EP0591470B1 (fr) 1995-06-28

Family

ID=6441394

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92917529A Expired - Lifetime EP0591470B1 (fr) 1991-09-24 1992-08-14 Dispositif pour le serrage et guidage d'aiguilles a crochet pour un metier a crocheter

Country Status (25)

Country Link
US (1) US5442936A (fr)
EP (1) EP0591470B1 (fr)
JP (1) JPH07509542A (fr)
KR (1) KR940702572A (fr)
AT (1) ATE124478T1 (fr)
AU (1) AU670917B2 (fr)
BR (1) BR9206437A (fr)
CA (1) CA2119869C (fr)
CZ (1) CZ282474B6 (fr)
DE (2) DE4131809A1 (fr)
DK (1) DK0591470T3 (fr)
ES (1) ES2073933T3 (fr)
FI (1) FI940682A7 (fr)
GR (1) GR3017206T3 (fr)
HU (1) HUT68383A (fr)
MX (1) MX9205399A (fr)
NO (1) NO180310C (fr)
NZ (1) NZ244380A (fr)
PL (1) PL170293B1 (fr)
RU (1) RU2091525C1 (fr)
SI (1) SI9200221A (fr)
TR (1) TR26062A (fr)
WO (1) WO1993006288A1 (fr)
YU (1) YU84192A (fr)
ZA (1) ZA926684B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE4321059A1 (de) * 1993-06-24 1995-01-05 Berger Gmbh Vorrichtung zum Einspannen und Führen von Häkelnadeln für eine Häkelmaschine
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 (de) * 1996-05-28 2002-02-14 Berger Gmbh Elastisches Band und Vorrichtung an einer Kettenwirkmaschine zur Herstellung des Bandes
DE102006004098B3 (de) * 2006-01-28 2007-09-06 Karl Mayer Textilmaschinenfabrik Gmbh Barre einer Wirkmaschine
DE102006004099B3 (de) 2006-01-28 2007-07-19 Karl Mayer Textilmaschinenfabrik Gmbh Wirkelement, insbesondere Wirknadel einer Kettenwirkmaschine, sowie Wirkmaschinen-Barre
EP1988200B1 (fr) * 2007-05-03 2009-10-28 Groz-Beckert KG Aiguille à guidage intérieur
EP1988199B1 (fr) * 2007-05-03 2009-10-28 Groz-Beckert KG Outil pour machine à tricoter chaîne, particulièrement pour jauge fine
EP3354782B1 (fr) * 2017-01-25 2019-08-07 Karl Mayer Textilmaschinenfabrik GmbH Barre de machine à tricoter et procédé de montage d'outils de tricotage

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD2169A1 (de) * 1943-02-05 1952-10-09 Textima Veb K Nadelbarre für flachwirkmaschinen
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 (de) * 1974-08-16 1976-02-26 Dalle & Cie Wervicq Sud Sa Spitzenhaekelmaschine zur herstellung von quastenfransen
DE3244014A1 (de) * 1982-11-27 1984-05-30 Johann 7071 Alfdorf Berger Haekelwerkzeuge zur herstellung von baendern auf einer haekelgalonmaschine
DE3420693A1 (de) * 1984-06-02 1985-12-05 Johann 7071 Alfdorf Berger Einspannvorrichtung fuer haekelnadeln
IT207414Z2 (it) * 1986-03-07 1988-01-18 Comez Spa Barra porta tubetti per telai per galloni ad uncinetto.
EP0302209B1 (fr) * 1987-07-30 1991-08-14 Textilma AG Métier à crochets pour galons

Also Published As

Publication number Publication date
JPH07509542A (ja) 1995-10-19
ZA926684B (en) 1993-03-09
RU2091525C1 (ru) 1997-09-27
NO940500D0 (no) 1994-02-14
DE4131809A1 (de) 1993-03-25
CA2119869A1 (fr) 1993-04-01
GR3017206T3 (en) 1995-11-30
NO940500L (no) 1994-02-14
DK0591470T3 (da) 1995-11-06
MX9205399A (es) 1993-07-01
KR940702572A (ko) 1994-08-20
CZ24994A3 (en) 1994-05-18
DE59202751D1 (de) 1995-08-03
TR26062A (tr) 1994-12-15
EP0591470A1 (fr) 1994-04-13
US5442936A (en) 1995-08-22
CA2119869C (fr) 1998-02-03
FI940682A0 (fi) 1994-02-14
NO180310B (no) 1996-12-16
SI9200221A (en) 1993-03-31
FI940682A7 (fi) 1994-02-14
NZ244380A (en) 1994-01-26
AU670917B2 (en) 1996-08-08
ES2073933T3 (es) 1995-08-16
YU84192A (sr) 1996-01-09
PL170293B1 (pl) 1996-11-29
HUT68383A (en) 1995-06-28
HU9400375D0 (en) 1994-05-30
RU94018510A (ru) 1996-04-10
ATE124478T1 (de) 1995-07-15
CZ282474B6 (cs) 1997-07-16
NO180310C (no) 1997-03-26
AU2433292A (en) 1993-04-27
WO1993006288A1 (fr) 1993-04-01
BR9206437A (pt) 1994-08-02

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