EP1437434B1 - Strickwerkzeug und Herstellungsverfahren für dieses - Google Patents

Strickwerkzeug und Herstellungsverfahren für dieses Download PDF

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Publication number
EP1437434B1
EP1437434B1 EP03028915.1A EP03028915A EP1437434B1 EP 1437434 B1 EP1437434 B1 EP 1437434B1 EP 03028915 A EP03028915 A EP 03028915A EP 1437434 B1 EP1437434 B1 EP 1437434B1
Authority
EP
European Patent Office
Prior art keywords
legs
knitting tool
slot
tool according
shank
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
EP03028915.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1437434A1 (de
Inventor
Eric Jürgens
Uwe Stingel
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.)
Groz Beckert KG
Original Assignee
Groz Beckert KG
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 Groz Beckert KG filed Critical Groz Beckert KG
Publication of EP1437434A1 publication Critical patent/EP1437434A1/de
Application granted granted Critical
Publication of EP1437434B1 publication Critical patent/EP1437434B1/de
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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/02—Bed linen; Blankets; Counterpanes
    • A47G9/0207—Blankets; Duvets
    • A47G9/0223—Blankets
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D27/00—Woven pile fabrics
    • D03D27/02—Woven pile fabrics wherein the pile is formed by warp or weft
    • D03D27/04—Weft pile fabrics

Definitions

  • the invention relates to a knitting tool, in particular for high-speed machines and a method for producing such a knitting tool.
  • a stamped knitting tool for example in the form of a hook or latch needle, which has on the broad side of its shaft recesses for the distribution of lubricants in the needle channel.
  • the needles must be lubricated in the needle channel to prevent inadmissible heating.
  • lubricant must be used sparingly, otherwise it will come out of the needle channels and contaminate the goods.
  • the chamfers serving as lubricant distributing means of the shaft form a storage space for lubricants.
  • the formation of the recesses is associated with a relatively high cost. After all, it can not be ruled out that they can become contaminated and lose their effect.
  • Knitting tools of this type meet the expectations placed in them, but the production cost is still not insignificant.
  • DE 29 44 300 A1 describes a flat knitting machine needle which is equipped to brake its movements within a needle channel with one or more leaf springs.
  • Each leaf spring is clamped in a longitudinally extending groove in the shank of the needle, with portions of the spring forming elastically outwardly arcuate arcs resiliently engageable with a channel wall. This brakes the needle by friction on the channel wall and centered when using two opposing springs in addition to the channel.
  • US 1 441 591 A describes a knitting machine needle with a shank which is divided in a section by a longitudinal central recess in two parallel legs.
  • FR 688 926 A describes another needle whose shaft in the region of a tongue between one of two parallel legs having longitudinally extending recess.
  • the knitting tool according to the invention has a shank which can be inserted into a guide channel of a knitting machine and guided longitudinally movably in the guide channel.
  • the shank has a varying thickness. Areas of reduced thickness ensure compliance with a distance from the guide surfaces in a guide channel and can serve, for example, as oil retention areas. They are each formed by mutually free by a slot and curved towards each other legs. Seen from the side, the legs thus consider concave depressions and are curved away from the viewer towards the center of the shaft.
  • Another advantage of the knitting tool according to the invention lies in its symmetry.
  • the two recesses are arranged on both opposite flanks of the knitting tool at the same place and preferably each formed the same size. This benefits the straightness of the knitting tool.
  • the recesses can be formed on the flanks of the knitting tool, in particular without ridges on the top and bottom of the needle.
  • the two legs of the shaft which are curved towards one another, are preferably bent on a median plane, where they meet here or keep a distance from one another.
  • the slot formed between the legs thus has a minimum thickness centrally, or it is interrupted by a point of contact in which the two legs touch.
  • the legs may, if necessary, be connected to one another here. This can be done, if necessary, by a cohesive connection or a positive connection. For example, a weld can be provided. It is also possible to caulk or rivet the legs together.
  • FIG. 1 a latch needle 1 is representative of all elongated knitting tools illustrated, which are reciprocally movably mounted in a respective guide channel.
  • the latch needle 1 has a shaft 2, the rear portion 3 of which as a guide section in a guide channel 4 (FIG. FIG. 5 ) sitting a knitting machine.
  • the guide channel 4 is bounded by two guide surfaces 5, 6, which are preferably formed as flat surfaces.
  • Section 3 is how FIG. 1 also shows, preferably provided with a foot 7, which serves to drive the latch needle 1. From the section 3, the shaft 2 extends to a hook 8 or other functional area.
  • the shaft 2 has in the section 3 a greater height measured from the needle back 9 to the needle top 11 which is greater than in the front section extending towards the hook 8.
  • the shaft 2 is provided with recesses 12, 13, 14, 15, so that in each case a web 16, 17, 18, 19 is formed to the needle top 11.
  • the intermediate sections 22, 23, 24 have a reduced thickness.
  • FIG. 5 clear which illustrates the intermediate section 23, cut along the line or sectional plane AA.
  • slot 25 is formed, which, as FIG. 1 illustrated, may extend into the adjacent webs 18, 19 in.
  • the slot 25 is preferably formed symmetrically to a median plane 26, which in FIG. 1 coincides with the cutting plane and in FIG. 5 is perpendicular to the drawing plane.
  • the median plane 26 is located midway between the Flanks 27, 28 of the shaft 2.
  • the width of the slot 25 may for example make up about one third of the total thickness of the shaft 2.
  • the slot 25 separates two legs 29, 31 from each other, which merge at their two respective ends in each case in the full unslotted shaft 2.
  • the legs 29, 31 are bent towards each other, where they, as FIG. 5 can contact at a contact point 32, whereby the slot 25 is interrupted.
  • the contact point 32 can extend over the entire height of the shaft 2 from the needle back 9 to the needle top 11.
  • the legs 29, 31 are preferably offset or steplessly bent, so that no sharp edge is present on the outer flank 27, 28 of the shaft 2. Rather, the flank 27 merges with a gentle curvature in a recess 33, which forms a concave curvature. The same applies to the flank 28, which defines a concave depression 34 as a result of the bending or curvature of the leg 31.
  • the recesses 33, 34 ensure that the flank 27, 28 in the region of the respective recess 33, 34 maintains a distance from the guide surfaces 5, 6, which reduces the friction of the reed needle 1 in the guide channel.
  • the recesses 33, 34 form spaces in which to collect and hold lubricant.
  • FIGS. 2, 3 and 4 illustrate modified embodiments of the latch needle 1 after FIG. 1 which differ substantially by the position of the foot 7 from each other.
  • the above description applies analogously on the basis of the same reference numbers.
  • the intermediate portion 21 which carries the foot 7, unslotted and without lateral recess is trained. If necessary, however, wells can be provided here as well.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP03028915.1A 2003-01-10 2003-12-17 Strickwerkzeug und Herstellungsverfahren für dieses Expired - Lifetime EP1437434B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10300830A DE10300830B3 (de) 2003-01-10 2003-01-10 Strickwerkzeug und Herstellungsverfahren für dieses
DE10300830 2003-01-10

Publications (2)

Publication Number Publication Date
EP1437434A1 EP1437434A1 (de) 2004-07-14
EP1437434B1 true EP1437434B1 (de) 2015-12-02

Family

ID=32478211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03028915.1A Expired - Lifetime EP1437434B1 (de) 2003-01-10 2003-12-17 Strickwerkzeug und Herstellungsverfahren für dieses

Country Status (6)

Country Link
US (1) US6860121B2 (ko)
EP (1) EP1437434B1 (ko)
JP (1) JP3977813B2 (ko)
KR (1) KR100556056B1 (ko)
CN (1) CN1306094C (ko)
DE (1) DE10300830B3 (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT1860219T (pt) * 2004-12-07 2016-08-22 Fukuhara Needle Co Ltd Peça para máquina de tricotar circular
CN100402225C (zh) * 2005-12-05 2008-07-16 秦策 钢丝横机针后缺免铣加工方法
EP2172584B1 (de) 2008-10-02 2013-01-09 Groz-Beckert KG Strickmaschinennadel mit geschlitztem Mäanderbogen
EP2540889B1 (de) * 2010-07-06 2016-08-17 Groz-Beckert KG Stricksystem mit abgeflachten Führungskanälen
DE102011119335B3 (de) * 2011-11-25 2013-04-04 Thomas Liebers Anordnung eines Strickelements in einem Führungskanal einer Strickmaschine sowie Strickelement
CN102943343A (zh) * 2012-11-20 2013-02-27 东莞市飞宇机械设备科技有限公司 一种电脑横编机起底板钩针及其制造方法
DE102014103261B4 (de) * 2014-03-11 2017-02-23 Hugo Kern Und Liebers Gmbh & Co. Kg Platinen- Und Federnfabrik Verfahren zur Herstellung eines fadenberührenden Elements und fadenberührendes Element, insbesondere für Strick- oder Wirkmaschinen
EP2927360B1 (de) * 2014-04-03 2017-03-08 Groz-Beckert KG Strickwerkzeug für Strickmaschinen
DE102015014722B3 (de) * 2015-10-28 2016-12-15 Thomas Liebers Strickmaschine mit einem Führungskanal und einem darin geführten Strickelement
CN105937091A (zh) * 2016-06-21 2016-09-14 大津编物（无锡）有限公司 防起毛钩针
CN105937092A (zh) * 2016-06-21 2016-09-14 大津编物（无锡）有限公司 防静电钩针

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1441591A (en) 1918-08-28 1923-01-09 Pope Machine Company Knitting machine and needle therefor
FR688926A (fr) 1930-01-27 1930-08-30 Lebocey Freres Ets Aiguille pour métier à bonneterie
US3949572A (en) * 1969-12-29 1976-04-13 Vyzkumny A Vyvojovy Ustav Zavodu Vseobecneho Strojirenstvi High impact knitting needle
DE2123971A1 (de) * 1970-05-20 1971-12-02 Vyzkumny ustav pletarzsky, Brunn (Tschechoslowakei) Arbeitselement einer Strickmaschine mit mindestens einem Nadelfuß
DE2932207C2 (de) * 1979-08-08 1981-11-19 Universal-Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co Kg, 7081 Westhausen Doppelkopfnadel
DE2944300C2 (de) 1979-11-02 1983-01-27 Universal-Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co Kg, 7081 Westhausen Doppelkopfnadel
JPS61239065A (ja) * 1985-04-12 1986-10-24 福原ニ−ドル株式会社 丸編機用のメリヤス板針およびその製造方法
DE19604954C1 (de) * 1996-02-10 1997-02-27 Groz & Soehne Theodor Gestanztes Strickwerkzeug
DE19740985C2 (de) * 1997-09-18 1999-09-30 Groz Beckert Kg Gestanztes Strickwerkzeug
JP2000073263A (ja) * 1998-08-24 2000-03-07 Fukuhara Needle Kk 編機械用打ち抜き部品

Also Published As

Publication number Publication date
CN1306094C (zh) 2007-03-21
CN1521295A (zh) 2004-08-18
EP1437434A1 (de) 2004-07-14
KR100556056B1 (ko) 2006-03-03
KR20040064623A (ko) 2004-07-19
US6860121B2 (en) 2005-03-01
US20040172983A1 (en) 2004-09-09
JP2004218187A (ja) 2004-08-05
JP3977813B2 (ja) 2007-09-19
DE10300830B3 (de) 2004-08-05

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