EP2508658B1 - Sägezahngarnitur - Google Patents

Sägezahngarnitur Download PDF

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Publication number
EP2508658B1
EP2508658B1 EP20120001662 EP12001662A EP2508658B1 EP 2508658 B1 EP2508658 B1 EP 2508658B1 EP 20120001662 EP20120001662 EP 20120001662 EP 12001662 A EP12001662 A EP 12001662A EP 2508658 B1 EP2508658 B1 EP 2508658B1
Authority
EP
European Patent Office
Prior art keywords
tooth
embossment
clothing
saw
section
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.)
Active
Application number
EP20120001662
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2508658A1 (de
Inventor
Josef Iten
Felix Hasler
Nikolaos Pavlou
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
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Graf und Cie AG
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Filing date
Publication date
Application filed by Graf und Cie AG filed Critical Graf und Cie AG
Publication of EP2508658A1 publication Critical patent/EP2508658A1/de
Application granted granted Critical
Publication of EP2508658B1 publication Critical patent/EP2508658B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/06—Opening or cleaning fibres, e.g. scutching cotton by means of toothed members
    • 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
    • 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

Definitions

  • the present invention relates to a stature leopardgarnitur for rolls of openers, cleaners, carding or carding.
  • Sawtooth fittings are used in various areas of textile fiber processing.
  • the shege leopardgarnituren are usually mounted in the form of wires on rollers.
  • the fibers are treated in preparation for yarn or nonwoven production on so-called carding machines.
  • the fibers are fed via a feed device to a drum.
  • the drum is a roller, which is provided on its outer surface with a hook or SAge leopardgarnitur.
  • the drum assembly together with circumferentially distributed carding elements, effects rectification and cleaning of the supplied fibers.
  • various elements arranged around the drum are used as carding and cleaning elements.
  • the elements are designed as covers, cleaning elements or rollers and can also be provided with a sawtooth.
  • the fibers are taken from a doffer roll and removed from the drum set.
  • the clothing of the doffer roller engages in the fibers held by the clothing of the drum and releases them from the drum.
  • the fibers are transferred to another roller and fed to a nonwoven or belt-forming unit.
  • Such takeover and transfer processes from one roll to another are also found, for example, in worker rolls of a card.
  • the EP 1 153 162 a drill whose teeth have a lower edge on the tooth surface.
  • the undercut edge is formed by a recess which points from the tooth surface toward the tooth back surface of the tooth.
  • the disclosed tooth form is intended to increase fiber retention during carding.
  • the disadvantage of the disclosed clothing is that the formation of the teeth represents a one-sided structure, which is aimed at holding the fibers.
  • the fibers are held mainly by the tooth face in the sawtooth.
  • the tooth surface extends from a tooth tip to a tooth base on the side facing in a direction of movement of the sawtooth.
  • the tooth surface of a tooth opposite side of the same tooth is formed by the back surface of the tooth.
  • the tooth surface of a tooth and the back surface of the tooth of the preceding tooth meet.
  • the interdental space is thus limited by the tooth back surface of a tooth and the tooth surface of the subsequent tooth and extends from the tooth tip to the tooth base.
  • a fiber covered by the saw tooth set can therefore penetrate into the saw tooth set as far as the root of the tooth.
  • an elevation is provided between the tooth tip and the tooth base on the tooth surface. This survey leads to the fact that at the location of the survey, the distance between the tooth back surface of the preceding tooth and the tooth surface of the provided with the survey tooth is reduced.
  • the fiber to be treated slips on the elevation on the tooth surface in the direction of the tooth root and is held in the sequence by the survey in the shegeieregarnitur.
  • the fibers are intervened by means of a clothing on an adjacent roller.
  • the fibers are accelerated in the direction of movement of the set they are holding and lifted out of the clothing over the back surface of the tooth lying in front of the fibers.
  • the fibers can not pull each other out of the clothing due to the adhesive forces of adjacent fibers, the back surface is also provided with a survey, which leads to a further reduction of the distance between the back surface of the tooth and the tooth surface of the subsequent tooth.
  • the elevations are to be regarded as opposite, if viewed from the tooth tip ago in the direction of the tooth base not consecutively, but at least partially overlapping.
  • the view is always perpendicular to the tooth root.
  • the rise of the elevation on the surface of the tooth surface begins before the elevation ends on the tooth surface, or vice versa.
  • the distance from the root of the tooth to the beginning of the rise of the elevation on the back of the tooth is greater than the distance from the tooth root to the highest point of the elevation on the tooth surface.
  • the distance from the tooth root to the beginning of the rise of the elevation on the tooth surface is greater than the distance from the tooth root to the highest point of the elevation on the tooth back surface.
  • the beginning of the elevation of the elevation is to be defined as seen from the top of the tooth.
  • the highest point of a survey corresponds to the point at which the survey protrudes furthest into the interdental space.
  • This arrangement of the elevations on the tooth surface or the tooth back surface causes a bag-like formation of the interdental space results. This will ensure that the through the elevation on the tooth surface held in the shege leopardgarnitur fibers are also influenced by the elevation on the tooth back surface of the preceding tooth when lifting out. As a result of this influencing, a defined transfer of the fibers from one roller to the next, determined by the clothing of the fiber-removing roller, results. It has also been found that the elevation on the tooth back surface makes a significant contribution to the posture of the fibers in the sawtooth when the elevation on the back surface of the tooth is combined with a protrusion on the tooth surface.
  • the bag-like formation of the interdental space is characterized by the fact that the distance between the tooth back surface and the tooth surface of the subsequent tooth before the constriction is greater than after the bottleneck. A determination of the distance between two teeth is always parallel to a tooth root of the sawtooth.
  • the basic constriction of the interdental space in the direction of the tooth base has the effect that the interdental space can not be clogged with fibers which could no longer be lifted out of the saw tooth set by means of a set of a subsequent roller.
  • the tooth surface is shaped such that a first portion of the tooth surface before the elevation is in alignment with a second portion of the tooth surface after the elevation. If necessary, the same procedure is to be followed on the back surface of the tooth, so that a first section of the back surface of the tooth is in alignment with a second section of the back surface of the tooth after the elevation before the elevation.
  • the elevation on the tooth face opposite the first portion of the tooth face increases at an angle of less than 15 °, preferably less than 10 °.
  • the elevation from the tooth tip toward the tooth bottom drops against the second portion of the tooth surface parallel to the tooth root.
  • the formation of the elevation of the back surface of the tooth is advantageous if the elevation of the tooth tip in the direction of the tooth root increases with respect to the first portion of the tooth back surface at an angle of less than 15 °, preferably less than 10 °. In the further course of the survey on the back surface of the tooth, it is advantageous if the elevation falls from the tooth tip in the direction of the tooth base against the second portion of the tooth back surface perpendicular to the tooth root.
  • the saw tooth set is particularly suitable for stripper rolls and worker rolls of cards, card and rolls in the nonwoven area.
  • the sawge leopardgarnitur is provided on a roller such that the shege leopardgarnitur is wound spirally adjacent to each other.
  • the saw tooth set can be designed with a normal, locked or interlinked tooth root to allow it to be mounted on a smooth roller.
  • FIG. 1 shows a schematic representation of a first embodiment of a shege leopardgarnitur 1 in a view and a cross section. It is a statge leopardgarnitur 1 with a tooth root 10 and a plurality of successive teeth 2, each with a tooth tip 5.
  • the teeth 2 of the shege leopardgarnitur 1 are shaped such that a tooth surface 3, which extends from the tooth tip 5 to a tooth root 6 extends, and a tooth back surface 4, which extends from the tooth tip 5 to a tooth base 6, is formed.
  • the tooth back surface 4 of a tooth 2 meets with the tooth face 3 of the subsequent tooth in the tooth bottom 6.
  • An arrow 11 indicates the direction of movement of the saw tooth set 1.
  • the tooth 2 has on its tooth face 3 and on its back surface 4 each have a survey 8, 9.
  • a tooth space 7 is limited, which extends from the tooth tips 5 to the tooth base 6.
  • the distance A between the tooth back surface 4 of a tooth 2 and the tooth surface 3 of the subsequent tooth 2 is reduced by the elevations 8, 9.
  • FIG. 2 shows a schematic representation of a second embodiment of a workingge leopardgarnitur 101 in a view.
  • the sawtooth 101 differs from the FIG. 1 In the arrangement and shaping of the teeth 102.
  • the sawtooth 101 consists of a tooth root 110 and a plurality of teeth 102 each having a tooth tip 105.
  • the teeth 102 of the sawtooth 101 are compared with the teeth of the sawtooth FIG. 1 with a different inclination and a different distance exemplified.
  • the course of the tooth surface 103 is continued after the survey 109 to the tooth base 106 at a different angle than before the survey 109.
  • the course of the tooth back surface 104 is continued after the survey 108 at a different angle than before the survey 108. This results opposite the FIG. 1 another shape of the interdental space 107, wherein the characteristic bag-like shape due to the arrangement of the elevations 108, 109 remains.
  • FIG. 3 schematically shows two consecutive teeth 2 of the sawtooth 1 from FIG. 1 in an enlarged view.
  • the elevation 8 on the tooth back surface of the tooth 2 is arranged opposite the elevation 9 on the tooth surface of the subsequent tooth 2.
  • the tooth surface is divided by the elevation 9 in a first portion 20 between the tooth tip 5 and the elevation 9 and a second portion 21 between the elevation 9 and the tooth base 6.
  • the first portion 20 is arranged in alignment with the second portion 21 of the tooth face.
  • the two Accordingly, sections 20, 21 of the tooth surface are arranged in the same plane.
  • the back surface of the teeth is divided by the elevation 8 in a first portion 22 between the tooth tip 5 and the elevation 8 and a second portion 23 between the elevation 8 and the tooth base 6.
  • the first portion 22 is arranged in alignment with the second portion 23 of the tooth back surface.
  • the two sections 22, 23 of the tooth back surface are therefore arranged in the same plane.
  • the elevation 8 of the tooth back surface is arranged opposite the elevation 9 of the tooth surface of a subsequent tooth tooth.
  • a constriction 24 forms in the interdental space 7, which leads to a bag-like formation of the interdental space 7.
  • the distance B between the first portion 22 of the tooth back surface of a tooth 2 and the first portion 20 of the tooth surface of a subsequent tooth 2 is greater than the distance C between the second portion 23 of the tooth back surface of a tooth 2 and the second portion 21 of the tooth surface of a subsequent tooth 2.
  • the width of the interdental space 7 is thus reduced by the tooth tips 5 in the direction of the tooth base 6, wherein a continuous constriction of the interdental space 7 in the form of a constriction 24 is interrupted by the opposing elevations 8, 9.
  • the shape of the elevations 8.9 is designed such that, starting from the tooth tip 5 in the direction of the tooth base 6, a gentle rise of the elevations 8, 9 results.
  • the elevation 9 rises on the tooth surface of the tooth tip 5 in the direction of the tooth base 6 with respect to the first portion 20 of the tooth surface at an angle ( ⁇ ) of less than 15 °.
  • the elevation 8 on the back surface of the tooth from the tooth tip 5 in the direction of the tooth base 6 increases with respect to the first portion 22 of the tooth surface at an angle ( ⁇ ) of less than 15 °.
  • this tooth falls off parallel to the tooth root 10 towards the second section 21 of the tooth surface.
  • the elevation 8 falls on the back surface of the tooth perpendicular to the tooth root 10 to the second portion 23 of the back surface of the tooth.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP20120001662 2011-04-08 2012-03-10 Sägezahngarnitur Active EP2508658B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00632/11A CH704774A1 (de) 2011-04-08 2011-04-08 Sägezahngarnitur.

Publications (2)

Publication Number Publication Date
EP2508658A1 EP2508658A1 (de) 2012-10-10
EP2508658B1 true EP2508658B1 (de) 2015-05-06

Family

ID=45893978

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20120001662 Active EP2508658B1 (de) 2011-04-08 2012-03-10 Sägezahngarnitur

Country Status (8)

Country Link
US (1) US8590110B2 (zh)
EP (1) EP2508658B1 (zh)
KR (1) KR101914631B1 (zh)
CN (1) CN102733012B (zh)
BR (1) BR102012007673B1 (zh)
CH (1) CH704774A1 (zh)
ES (1) ES2543451T3 (zh)
TW (1) TWI548790B (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2567010B1 (en) * 2010-05-04 2014-09-24 NV Bekaert SA Wire profile for card clothing
CN103069061B (zh) * 2010-08-09 2016-07-06 格罗茨-贝克特两合公司 用于针布的异形钢丝
CN103890252B (zh) * 2011-09-15 2016-08-24 格罗茨-贝克特两合公司 具有改进齿形的针布
KR101795122B1 (ko) * 2011-11-15 2017-11-07 그로츠-베케르트 카게 금속 카드 와이어
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
US10889758B2 (en) 2014-06-29 2021-01-12 Profile Products, L.L.C. Naturally dyed mulch and growing media
US10266457B2 (en) 2014-06-29 2019-04-23 Profile Products L.L.C. Bark and wood fiber growing medium
US11686021B2 (en) 2014-06-29 2023-06-27 Profile Products L.L.C. Growing medium and mulch fiber opening apparatus
EP4144819B1 (en) 2014-06-29 2024-02-07 Profile Products L.L.C. Mulch composition based on bark and wood fibres
CA2953521C (en) * 2014-06-29 2023-05-23 Profile Products L.L.C. Growing medium and mulch fiber opening apparatus
CH711742A1 (de) * 2015-11-12 2017-05-15 Graf + Cie Ag Garniturdraht.
CN108456954B (zh) * 2018-04-20 2023-05-09 青岛大学 一种双面斜纹道夫针布
CN112981620B (zh) * 2021-03-15 2022-05-20 光山白鲨针布有限公司 一种曲工作面金属针布

Family Cites Families (28)

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US2937413A (en) * 1956-09-27 1960-05-24 John D Hollingsworth Carding tooth
US3231941A (en) * 1962-10-23 1966-02-01 Ashworth Bros Inc Carding apparatus
US3419941A (en) * 1965-06-25 1969-01-07 Moriwaki Akira Combing cylinder of combing machine
JPS5698875U (zh) * 1979-12-26 1981-08-04
DE3485047D1 (en) * 1983-10-05 1991-10-17 Marcello Campi Di Bisenzio Florenz/Firenze It Giuliani Fibrous material carding appts.
JPS60181326A (ja) * 1984-02-29 1985-09-17 Iwao Wada 金属針布
JPS6112922A (ja) * 1984-06-27 1986-01-21 Hiroyuki Kanai 紡機用メタリツクワイヤ
ES288973Y (es) * 1984-10-11 1987-02-01 Sole Leris Roger Guarnicion rigida para chapones para cardas perfeccionada.
DE3532339A1 (de) 1985-09-11 1987-03-19 Hella Kg Hueck & Co Ausgangsschaltung fuer elektronische schaltungen
JPS6278221A (ja) * 1985-09-27 1987-04-10 Kanai Hiroyuki 紡機用メタリツクワイヤ
DE3539464A1 (de) * 1985-11-07 1987-05-14 Hollingsworth Gmbh Verfahren zum behandeln der kanten eines saegezahndrahtes
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
DE4323364A1 (de) * 1993-07-13 1995-01-19 Schlafhorst & Co W Auflösewalze für eine OE-Spinnvorrichtung
DE4436378A1 (de) * 1994-10-12 1996-04-18 Staedtler & Uhl Sägezahngarnitur
AU3609697A (en) * 1996-02-07 1997-08-28 Carlton, Sarah Jane Improvement in textile carding and relevant apparatus
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
USD445433S1 (en) * 1999-09-28 2001-07-24 John D. Hollingsworth On Wheels, Inc. Carding wire
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
DE10114108B4 (de) * 2001-03-22 2005-05-19 Hollingsworth Gmbh Sägezahndraht für eine Walzengarnitur
DE10247215B4 (de) * 2002-10-10 2008-07-24 Graf + Cie Ag Sägezahndraht
DE10249905A1 (de) * 2002-10-22 2004-05-06 Wilhelm Stahlecker Gmbh Garniturring für eine Auflösewalze einer Offenend-Spinnvorrichtung
DE102007062841A1 (de) * 2007-12-21 2009-06-25 TRüTZSCHLER GMBH & CO. KG Sägezahnganzstahlgarnitur für Walzen und/oder Trommeln von Karden oder Krempel
DE102009032798A1 (de) * 2009-07-10 2011-01-13 Staedtler + Uhl Kg Kämmelement

Also Published As

Publication number Publication date
CH704774A1 (de) 2012-10-15
TW201241254A (en) 2012-10-16
CN102733012A (zh) 2012-10-17
CN102733012B (zh) 2016-03-30
BR102012007673A2 (pt) 2013-06-04
TWI548790B (zh) 2016-09-11
ES2543451T3 (es) 2015-08-19
KR101914631B1 (ko) 2018-11-05
EP2508658A1 (de) 2012-10-10
US20120255143A1 (en) 2012-10-11
US8590110B2 (en) 2013-11-26
KR20150127798A (ko) 2015-11-18
BR102012007673B1 (pt) 2020-02-04

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