EP1408142B1 - sägezahndraht für karden-garnitur - Google Patents

sägezahndraht für karden-garnitur Download PDF

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Publication number
EP1408142B1
EP1408142B1 EP03022645A EP03022645A EP1408142B1 EP 1408142 B1 EP1408142 B1 EP 1408142B1 EP 03022645 A EP03022645 A EP 03022645A EP 03022645 A EP03022645 A EP 03022645A EP 1408142 B1 EP1408142 B1 EP 1408142B1
Authority
EP
European Patent Office
Prior art keywords
profile
tooth
segment
sawtooth
wire according
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
EP03022645A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1408142A1 (de
Inventor
Ralph A. Graf
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.)
Graf und Cie AG
Original Assignee
Graf und Cie AG
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 Graf und Cie AG filed Critical Graf und Cie AG
Publication of EP1408142A1 publication Critical patent/EP1408142A1/de
Application granted granted Critical
Publication of EP1408142B1 publication Critical patent/EP1408142B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D01G15/88—Card clothing; Manufacture thereof not otherwise provided for formed from metal sheets or strips

Definitions

  • the invention relates to a sawtooth wire for producing a sawtooth all-steel garnish for the customer and / or the take-off roll of a carding machine according to the preamble of patent claim 1.
  • Carding machines and carding machines are used in the production of yarns for aligning and cleaning the textile fibers forming the yarns.
  • the textile fibers are presented by means of feed rollers to a so-called drum. It is a roller-shaped element, which is provided on its outer surface with a check or sawtooth all-steel set and is rotated about the roll axis. If necessary, the spool set, together with cover strips distributed over the lateral surface of the spool, effects alignment during the rotation of the spool and cleaning the supplied textile fibers. After this alignment and cleaning process, the nonwoven fabric thus obtained is removed from the spool by means of so-called picking and / or take-off rollers and fed to further processing.
  • the pick-up or take-off rolls in the region of their lateral surface also have a sawtooth all-steel clothing, which engages in the course of their rotation in the entrained by the spool or a doffer roller fleece and this deducted from the spool or the doffer roller.
  • nonwoven fabric removed from the doffer roll dissolves at an early stage from the doffer or take-off roll at higher production weights, which can lead to problems in the further processing of the fiber material.
  • the present invention seeks to provide sawtooth wires for the production of Ganzstahlgarnituren for picking and / or take-off rolls of a carding machine or carding machine, which allow a high production speed while ensuring high yarn qualities.
  • this object is achieved by the specified in the characterizing part of claim 1 development of the known sawtooth wires.
  • This invention is based on the finding that the problems observed when using known shegeieredrähte due to the fact that fill the Garniturgassen the all-steel set of customers and / or the take-off rolls with fiber material when used to produce these sets sawtooth wires, which are used to obtain the necessary holding force have a flank profiling.
  • this deficiency is remedied in that the profiling required to provide the required holding force are provided only between the tooth base and the tooth tip and do not extend beyond the tooth incision depth along the blade edge in the direction of the tooth root, wherein an undesirable filling of Pickup roller set is avoided by an offset arrangement of profile segments on the tooth flanks.
  • the profile segment provided between the tooth base and the tooth tip can be provided particularly simply if it has at least one profile web extending approximately parallel to the longitudinal direction of the wire and / or at least one profile groove extending approximately parallel to the longitudinal direction of the wire, because with such sawtooth wires Profiling can be done simultaneously with the other shape of the wire. It is manufacturing technology particularly favorable when the profile segment having at least one profile groove is arranged in an aligned with the adjoining root flank tooth flank.
  • At least one profile web and / or at least one profile groove is bounded arcuately at least in sections in a section plane running perpendicular to the longitudinal direction of the profile web and / or the profile groove because this avoids the formation of sharp edges in the course of the profile segment.
  • the arcuate bounded section in a direction perpendicular to the longitudinal direction of the profile web or the profile groove cutting plane has a radius of curvature in the area from 0.05 to 0.5 mm, preferably 0.1 to 0.3 mm, particularly preferably about 0.15 mm.
  • At least one of the profile segments has a plurality of approximately parallel to the longitudinal direction of the wire extending profile grooves, it has to ensure complete detachment of the fiber web from the clothing while ensuring a high holding force and sufficient stability of the usually from the tooth base in the direction of the Tooth tip tapering teeth proved to be useful when at least one of the tread grooves has a lower tread depth than the arranged on the tooth base facing side of this tread groove tread groove. This means that the tread depths of the tread grooves increase in the direction of the tooth base so as to be able to make good use of the generally increasing thickness of the teeth in this direction without impairing the stability.
  • the at least one profile web and / or the at least one tread groove a profile height or profile depth of at least 0.02 mm, preferably at least 0.04 mm, more preferably at least 0.05 mm and / or the individual tread grooves or profile webs of a profile segment a distance in the range of 0.1 - 0.6 mm, preferably 0.2 to 0.4 mm, more preferably about 0.3 mm from each other.
  • the profile segment arranged on one tooth flank can have one or more profile grooves, while the profile segment arranged on the other tooth flank can have one or more profile webs.
  • the teeth taper in a direction perpendicular to the longitudinal direction of the wire cutting plane from the tooth base towards the tooth tip, when the closer to the tooth base Having arranged profile segment at least one tread groove and / or arranged closer to the tooth tip profile segment has at least one profile web.
  • sawtooth wires can be profiled in a conventional manner, wherein the tooth back of at least one tooth has at least one in the direction of the tooth base in a concave portion passing convex portion.
  • Such sets are described in DE 100 12 561. The disclosure of this document is hereby incorporated by reference into this description with regard to the profiling of the tooth backs.
  • a method for manufacturing these sawtooth wires in which a raw material is formed into a wire portion having a blade portion and then saw teeth are punched into this blade portion is substantially characterized in that the blade portion during the molding process is profiled.
  • the sawtooth wire 10 shown in Fig. 1 for producing a set for the take-off roll of a carding machine comprises a foot portion 20 with a predominantlyflanke 22, which merges via a shoulder 26 in a tooth flank of a blade portion 30 and a predominantlyflanke 24, which is aligned with a tooth flank 34.
  • a plurality of saw teeth not shown in detail in the drawing are formed by respective punching operations.
  • the blade section is delimited by the tooth flanks 32 and 34 in the sectional plane shown in FIG. 1 and extending perpendicularly to the longitudinal direction of the wire, whereby the blade tapers from the base section 20 in the direction of the tooth tips 36.
  • Each of the tooth flanks 32 and 34 has a profile segment 40 or 50, wherein both profile segments 40 and 50 are arranged between the tooth base and the tooth syringe 36 of the teeth formed in the blade section 30.
  • the profile segment 50 is arranged offset with respect to the profile segment 40.
  • the profile segment 50 arranged closer to the tooth base and in the tooth flank 34 aligned with the flank 24 has a total of four profile grooves 52, while the profile segment 40 arranged closer to the tooth tip 36 comprises a total of four profile webs 42.
  • substantially planar transition segments 44 are arranged between the individual profile webs 42.
  • the vertices of the profile webs bordered in an arcuate manner in the section plane running perpendicular to the longitudinal direction of the wire have a spacing d1 of 0.29 mm.
  • the radius of curvature R1 of the curved profile webs is 0.15 mm in the sectional plane perpendicular to the longitudinal direction of the wire in the embodiment of the invention shown in the drawing.
  • the transition between the transition section 44 and the profile webs 42 is rounded off with a radius of curvature R2 of 0.02 mm.
  • the height h1 of the profile webs 42 is 0.05 mm in the embodiment of the invention shown in the drawing.
  • a substantially planar transition segment 54 is also arranged between the individual profile grooves 52 of the profile segment 50.
  • the profile grooves 52 of the profile segment 50 are also bounded arcuate, in which case the radius of curvature R3 of the tread grooves 52 in a direction perpendicular to the longitudinal direction of the wire 10 cutting plane is 0.15 mm.
  • the profile grooves 52 are arranged at a distance d2 of also 0.29 mm from each other.
  • the transition between the tread grooves 52 and the transition segment 54 is rounded off with a radius of curvature R4 of 0.02 mm.
  • the depth h2 of the tread grooves 52 for all tread grooves 52 is 0.05 mm.
  • the invention is not limited to the embodiment explained with reference to the drawing. Rather, the use of sawtooth wires is also intended, in which profile segments arranged on both tooth flanks comprise both profile grooves and profile webs. About that In addition, the tread grooves may have a profile depth increasing in the direction of the foot portion 20. It is essential within the scope of the invention, however, that the profile segments do not extend beyond the tooth incision depth in the direction of the foot portion 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Corsets Or Brassieres (AREA)
EP03022645A 2002-10-10 2003-10-06 sägezahndraht für karden-garnitur Expired - Lifetime EP1408142B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10247215A DE10247215B4 (de) 2002-10-10 2002-10-10 Sägezahndraht
DE10247215 2002-10-10

Publications (2)

Publication Number Publication Date
EP1408142A1 EP1408142A1 (de) 2004-04-14
EP1408142B1 true EP1408142B1 (de) 2007-01-24

Family

ID=32010418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03022645A Expired - Lifetime EP1408142B1 (de) 2002-10-10 2003-10-06 sägezahndraht für karden-garnitur

Country Status (14)

Country Link
US (1) US6920671B2 (pt)
EP (1) EP1408142B1 (pt)
JP (1) JP2004131920A (pt)
KR (1) KR20040032795A (pt)
CN (1) CN100385050C (pt)
AT (1) ATE352645T1 (pt)
AU (1) AU2003252872A1 (pt)
BR (1) BR0304467A (pt)
CA (1) CA2444941A1 (pt)
DE (2) DE10247215B4 (pt)
ES (1) ES2278105T3 (pt)
MX (1) MXPA03009242A (pt)
PT (1) PT1408142E (pt)
TW (1) TW200415272A (pt)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101760664B1 (ko) 2014-03-12 2017-08-04 그로츠-베케르트 카게 톱니형 와이어와 천연 섬유 플리스 제조 방법
KR101800477B1 (ko) 2010-05-04 2017-11-22 그로츠-베케르트 카게 침포용 와이어 프로파일
KR101914631B1 (ko) 2011-04-08 2018-11-05 그래프 플러스 씨 아게 톱니형 침포

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8789244B2 (en) 2010-08-09 2014-07-29 Nv Bekaert Sa Wire profile for card clothing
EP2756119B1 (en) * 2011-09-15 2016-03-30 Groz-Beckert KG Card wire with improved tooth shape
CN104039416B (zh) * 2012-02-20 2016-10-26 贝卡尔特公司 金属纤维网基的过滤器
EP2808429B1 (de) * 2013-05-27 2017-06-28 Groz-Beckert KG Garniturdraht für eine walze einer kardiermaschine
EP2944712B1 (en) * 2014-05-16 2018-09-05 Groz-Beckert KG Metallic card wire for card clothing

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2937413A (en) * 1956-09-27 1960-05-24 John D Hollingsworth Carding tooth
GB854090A (en) * 1957-02-13 1960-11-16 Gustav Damgaard Improvements in saw tooth or garnett wire for the rollers or cylinders of textile machines
JPS4630266Y1 (pt) * 1966-10-19 1971-10-20
JPS5128408Y1 (pt) * 1967-09-07 1976-07-17
JPS5113548Y1 (pt) * 1970-05-07 1976-04-12
JPS4821127Y1 (pt) * 1970-12-23 1973-06-20
JPS5076127U (pt) * 1973-10-31 1975-07-02
JPS5652293Y2 (pt) * 1978-05-25 1981-12-05
JPS5698875U (pt) * 1979-12-26 1981-08-04
JPS60181326A (ja) * 1984-02-29 1985-09-17 Iwao Wada 金属針布
JPS6130082U (ja) * 1984-07-20 1986-02-22 東洋特殊金属工業株式会社 金属針布
ES2010170A4 (es) * 1987-12-29 1989-11-01 Graf + Cie Ag Un diente de sierra de alambre de una placa de tejido de dientes de sierra para una maquina textil productora de fibras de lana orientadas aleatoriamente
JPH01306625A (ja) * 1988-05-30 1989-12-11 Kanai Hiroyuki 紡機用メタリック針布
US4964195A (en) * 1988-11-18 1990-10-23 Hollingsworth John D Metallic card clothing
DE4038352A1 (de) * 1990-12-01 1992-06-04 Fritz Stahlecker Aufloesewalze fuer eine faserbandaufloeseeinrichtung
DE4240026C2 (de) * 1992-11-28 2003-10-16 Fritz Stahlecker Garnitur für eine Auflösewalze einer OE-Spinnvorrichtung
GB9307548D0 (en) * 1993-04-13 1993-06-02 Carclo Eng Group Plc Fibre processing
CZ279649B6 (cs) * 1993-06-03 1995-05-17 Rieter Elitex A.S. Vyčesávací váleček ojednocovacího ústrojí bezvřetenového dopřádacího stroje a způsob jeho výroby
DE4436378A1 (de) * 1994-10-12 1996-04-18 Staedtler & Uhl Sägezahngarnitur
US6185789B1 (en) * 1997-03-03 2001-02-13 John D. Hollingsworth On Wheels, Inc. Metallic clothing for carding elements
AUPP681098A0 (en) * 1998-10-30 1998-11-19 Commonwealth Scientific And Industrial Research Organisation Card wire, especially for doffers and workers
DE10012561B4 (de) * 2000-03-15 2004-09-02 Graf + Cie Ag Sägezahndraht
FR2821863B1 (fr) * 2001-03-08 2004-01-02 Ecc Platt Sa Garniture de carde, en particulier pour cylindre peigneur, cylindre travailleur ou cylindre condenseur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101800477B1 (ko) 2010-05-04 2017-11-22 그로츠-베케르트 카게 침포용 와이어 프로파일
KR101914631B1 (ko) 2011-04-08 2018-11-05 그래프 플러스 씨 아게 톱니형 침포
KR101760664B1 (ko) 2014-03-12 2017-08-04 그로츠-베케르트 카게 톱니형 와이어와 천연 섬유 플리스 제조 방법

Also Published As

Publication number Publication date
AU2003252872A1 (en) 2004-04-29
ATE352645T1 (de) 2007-02-15
PT1408142E (pt) 2007-03-30
KR20040032795A (ko) 2004-04-17
DE10247215B4 (de) 2008-07-24
CN100385050C (zh) 2008-04-30
JP2004131920A (ja) 2004-04-30
DE10247215A1 (de) 2004-04-22
MXPA03009242A (es) 2005-04-11
ES2278105T3 (es) 2007-08-01
BR0304467A (pt) 2004-08-31
TW200415272A (en) 2004-08-16
DE50306360D1 (de) 2007-03-15
US6920671B2 (en) 2005-07-26
EP1408142A1 (de) 2004-04-14
CN1500921A (zh) 2004-06-02
CA2444941A1 (en) 2004-04-10
US20040128800A1 (en) 2004-07-08

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