EP0965666B1 - Clothing for carding machines and/or for woolen cards - Google Patents

Clothing for carding machines and/or for woolen cards Download PDF

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Publication number
EP0965666B1
EP0965666B1 EP99110667A EP99110667A EP0965666B1 EP 0965666 B1 EP0965666 B1 EP 0965666B1 EP 99110667 A EP99110667 A EP 99110667A EP 99110667 A EP99110667 A EP 99110667A EP 0965666 B1 EP0965666 B1 EP 0965666B1
Authority
EP
European Patent Office
Prior art keywords
cover layer
layers
card clothing
hooks
accordance
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
EP99110667A
Other languages
German (de)
French (fr)
Other versions
EP0965666A2 (en
EP0965666A3 (en
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 EP0965666A2 publication Critical patent/EP0965666A2/en
Publication of EP0965666A3 publication Critical patent/EP0965666A3/en
Application granted granted Critical
Publication of EP0965666B1 publication Critical patent/EP0965666B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F3/00—Carrying-off electrostatic charges
    • H05F3/02—Carrying-off electrostatic charges by means of earthing connections
    • 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 invention relates to a scraper fitting for cards and / or carding machines, in the form of several, covering layers preferably made of cotton, those provided with each other and with one on one of the outsides Elastomer top layer through a binder to one Base material unit connected and with itself across to the base material layers extending them towards the elastomeric top layer assertive and protruding with their tips
  • Check marks preferably double check marks, being further preferably to reduce electrostatic as a result Impairment of the base material unit the carding process due to fiber and / or The accumulation of dust in the fitting area at least reducing the causal electrostatic charges Inhibitors are attached.
  • the scratch fitting the task of the type mentioned in a simple and effective manner further develop that essential and practical constant reduction of the static charge over the Lifetime of the scratch set elements, such as cover fittings, Cleaning scratches or the like is achieved.
  • a scraper fitting designed in this way ensures that even without expensive suction devices with high energy consumption adequate removal of quality-impairing Short fibers and dust particles due to the practical long-term elimination of electrostatic charges is ensured.
  • the conductive material is also in the the intermediate layers of binding agent which bind together stored. This allows the derivation friction electricity can be further improved.
  • the conductive material is preferred around steel.
  • the conductive material can be in the form of particles.
  • the fine wires embedded in the cover layer can have a diameter of about 8 to 10 microns.
  • the fine wires in the form of wire sections one Length of about 1 to 10 mm, preferably about 5 mm in which the Cover layer forming elastomer are randomly mixed.
  • conductive material can be used in powder form.
  • the conductive material can also be realized in the form of a fine-mesh fabric that in the elastomer forming the cover layer and / or in at least one connecting the covering layers with each other Binder intermediate layer is stored.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Woven Fabrics (AREA)
  • Laminated Bodies (AREA)

Abstract

Card wire clothing has the fillet wire held in a cotton backing with an elastomeric cover layer which is made electrically conducting, preferably by the incorporating 1-10 mm lengths of 8 - 10 mu m diameter steel wire. Alternatively particles or a fine woven mesh can be used to make the backing conducting.

Description

Die Erfindung bezieht sich auf einen Kratzenbeschlag für Karden und/oder Krempelmaschinen, in Form von mehreren, vorzugsweise aus Baumwolle bestehenden Belagstoffschichten, die miteinander und mit einer auf einer der Außenseiten vorgesehenen Elastomer-Deckschicht durch ein Bindemittel zu einer Belagstoffeinheit verbunden und mit sich quer zu den Belagstoffschichten erstreckenden, sie in Richtung zur Elastomer-Deckschicht durchsetzenden und mit ihren Spitzen vorstehenden Häkchen, vorzugsweise Doppelhäkchen bestückt sind, wobei weiter vorzugsweise zur Verminderung der als Folge elektrostatischer Aufladungen der Belagstoffeinheit entstehenden Beeinträchtigungen des Kardierprozesses aufgrund von Faserund/oder Staubansammlungen im Beschlagbereich das Entstehen der ursächlichen elektrostatischen Aufladungen zumindest vermindernde Inhibitoren beigefügt sind.The invention relates to a scraper fitting for cards and / or carding machines, in the form of several, covering layers preferably made of cotton, those provided with each other and with one on one of the outsides Elastomer top layer through a binder to one Base material unit connected and with itself across to the base material layers extending them towards the elastomeric top layer assertive and protruding with their tips Check marks, preferably double check marks, being further preferably to reduce electrostatic as a result Impairment of the base material unit the carding process due to fiber and / or The accumulation of dust in the fitting area at least reducing the causal electrostatic charges Inhibitors are attached.

Zum Aufbau der vorerwähnten Kratzentücher und zur Verwendung von geeignetem Gewebe sei auf die einschlägige technische Literatur verwiesen, nämlich die GB-PS 6584 (1834), ferner das Handbuch der Baumwollspinnerei, Band 1, Leipzig 1902, Seite 397 ff., sowie Band 3, Leipzig 1948, Seite 253 ff. sowie Seite 478 ff.To build up and use the above-mentioned scratch cloths from suitable tissue to the relevant technical References literature, namely the GB-PS 6584 (1834), further the manual of the cotton mill, volume 1, Leipzig 1902, Page 397 ff., As well as volume 3, Leipzig 1948, page 253 ff. And Page 478 ff.

Seit vielen Jahrzehnten ist das vorerwähnte Problem der statischen Aufladungen während des Kardierprozesses, nämlich das elektrostatische Aufladen der zu kardierenden textilen Stapelfasern mit der negativen Auswirkung auf das Ausstoßen dieser Fasern bekannt. Um Kurzfasern bzw. Staubpartikel, die an der Elastomer-Deckschicht bzw. der Belagstoffoberfläche von Kratzen- bzw. Kratzenbandgarnituren haften bleiben und zu Qualitätseinbußen führen, zu beseitigen, ist es üblich, die Karden- bzw. Krempelmaschinen mit Hilfe von in die heutigen modernen Hochleistungs-Maschinen integrierten Absaugeinrichtungen sauberzuhalten. Trotz ihres relativ hohen Energiebedarfs vermögen sie nicht, die infolge der elektrostatischen Aufladungen anhaftenden Kurzfasern und Staubpartikel vollständig zu beseitigen und abzuführen. Im Bestreben, diese Abfuhr durch Erhöhung der Saugleistung zu optimieren, zeigte sich vielmehr, daß in nachteiliger Weise auch Teile des zu bearbeitenden Fasergutes erfaßt und ausgetragen werden.The problem mentioned has been for many decades of static charges during the carding process, namely the electrostatic charging of the textiles to be carded Staple fibers with the negative impact on ejection known of these fibers. Short fibers or dust particles, on the elastomer cover layer or the surface of the covering material of scrape or scraper tape sets stick and stick Losing quality, eliminating it, it is common that Carding and carding machines with the help of today's modern high-performance machines integrated suction devices to keep clean. Despite their relatively high energy requirements they are not capable of being caused by electrostatic Charges adhering short fibers and dust particles completely to eliminate and discharge. In an effort to remove this It was shown to optimize by increasing the suction power rather that parts of what is to be processed are disadvantageously Fiber goods are recorded and discharged.

Um dieses Aufladen und damit die negativen Auswirkungen zu vermindern, wurde bereits vorgeschlagen, unterhalb des Vorreißerrostes einer Karde und/oder Krempelmaschine eine sogenannte Statik-Platte aus einer Art Plüsch, dann geripptem Messingblech und schließlich einer speziellen Kunstharzmasse anzubringen. Bekannt ist ferner die Verwendung einer elektrisch leitfähigen Garnitur, mit der die Aufladung abgeleitet und damit die Faserhaftung in den Beschlägen reduziert werden kann, um so eine bessere Abnahme oder Ausscheidung von ungewollten Kurzfasern zu erreichen. Wie in "Klepzigs Textil-Zeitschrift" 1938, Heft 45 vorgeschlagen wird, soll zu diesem Zweck ein elektrisch leitfähiger Belagstoff in Form einer Mehrfach-Stofflagen-Einheit mit Kautschukdeckplatte Einsatz finden, bei dem aufgrund von dem Naturkautschuk beigegebenen Chemikalien eine vorübergehende Reduzierung der statischen Aufladung erreicht werden konnte. Die Wirkung der Elektrostatik-Inhibitoren wurde auch durch das Verdampfen der Lösungsmittel des Naturkautschuks, wie Toluol, Heptan bzw. Industriebenzin weiter vermindert, und zwar trotz vollkommener Säurefreiheit der Gummideckplatte und der Klebungen des Kratzentuchs. Kratzenbeschläge nach dem Oberbegriff des Patentanspruchs 1, bei denen die Deckschicht elektrisch leitendes Material in Form von Graphitpulver, Rußpulver und Zinkoxid-Pulver enthält sind in der GB 467 141 beschrieben.About this charging and with it the negative effects to reduce, has already been proposed below Punching grate of a card and / or carding machine a so-called Static plate made of a kind of plush, then ribbed Brass sheet and finally a special synthetic resin mass to install. The use of an electric is also known conductive set with which the charge is discharged and thus the fiber adhesion in the fittings can be reduced can, so a better decrease or excretion of unwanted To achieve short fibers. As in "Klepzig's textile magazine" 1938, Book 45 is proposed to this Purpose of an electrically conductive covering material in the form of a Multiple fabric layer unit with rubber cover insert find in the due to the natural rubber added Chemicals a temporary reduction in static Charge could be achieved. The effect of electrostatic inhibitors was also evaporation of the solvent natural rubber, such as toluene, heptane or industrial gasoline further reduced, despite complete freedom from acids the rubber cover plate and the adhesive of the scratch cloth. Scraper fittings according to the preamble of the claim 1, in which the cover layer is electrically conductive material in the form of Graphite powder, carbon black powder and zinc oxide powder contains are described in GB 467 141.

Ausgehend von diesem Stand der Technik und den beim Umgang mit den bekannten Belagstoffen gemachten Erfahrungen liegt der Erfindung die Aufgabe zugrunde, den Kratzenbeschlag der eingangs genannten Art auf einfache und wirksame Weise so weiter auszugestalten, daß eine wesentliche und praktisch gleichbleibende Verminderung der statischen Aufladung über die Lebensdauer der Kratzengarniturelemente, wie Deckelbeschläge, Putzkratzen oder dergleichen erreicht wird.Based on this state of the art and the Experience with the known covering materials the invention is based, the scratch fitting the task of the type mentioned in a simple and effective manner further develop that essential and practical constant reduction of the static charge over the Lifetime of the scratch set elements, such as cover fittings, Cleaning scratches or the like is achieved.

Der Kratzenbeschlag nach der Erfindung, bei dem die vorgenannte Aufgabe gelöst ist, zeichnet sich im wesentlichen durch die ein kennzeichnenden Teil der Ansprüche 1 und 6 angegebenen Weiterbildungen der bekannten Kratzenbeschläge aus.The scraper fitting according to the invention, in which the The above-mentioned task is solved, essentially through which a distinctive part of the Claims 1 and 6 specified developments of the known scratch fittings.

Ein so ausgebildeter Kratzenbeschlag stellt sicher, daß auch ohne kostspielige Absaugeinrichtungen mit hohem Energieverbrauch eine ausreichende Abfuhr von die Qualität beeinträchtigenden Kurzfasern und Staubpartikeln infolge der praktisch wegfallenden elektrostatischen Aufladungen langfristig sichergestellt ist.A scraper fitting designed in this way ensures that even without expensive suction devices with high energy consumption adequate removal of quality-impairing Short fibers and dust particles due to the practical long-term elimination of electrostatic charges is ensured.

Bevorzugt ist das leitende Material zusätzlich in die die Belagstoffschichten miteinander verbindenden Bindemittelzwischenschichten eingelagert. Dadurch kann die Ableitung der Friktionselektrizität weiter verbessert werden.Preferably, the conductive material is also in the the intermediate layers of binding agent which bind together stored. This allows the derivation friction electricity can be further improved.

Bei dem leitenden Material handelt es sich bevorzugt um Stahl.The conductive material is preferred around steel.

Das leitende Material kann die Form von Partikeln haben.The conductive material can be in the form of particles.

Die in die Deckschicht eingebelteten feinen Drähte können einen Durchmesser von etwa 8 bis 10 µm aufweisen.The fine wires embedded in the cover layer can have a diameter of about 8 to 10 microns.

Als besonders zweckmäßig hat es sich herausgestellt, wenn die feinen Drähte in Form von Drahtabschnitten einer Länge von etwa 1 bis 10 mm, vorzugsweise etwa 5 mm in dem die Deckschicht bildenden Elastomer randomartig eingemischt sind.It turned out to be particularly useful if the fine wires in the form of wire sections one Length of about 1 to 10 mm, preferably about 5 mm in which the Cover layer forming elastomer are randomly mixed.

Bei den Partikeln kann es sich zusätzlich zu den Drähten auch um Splitter handeln.In the case of the particles, it can also be act on the wires also splinters.

Zusätzlich kann auch leitendes Material in Pulverform verwendet werden.In addition, conductive material can be used in powder form.

Das leitende Material kann auch in Form eines feinmaschigen Gewebes verwirklicht werden, das in dem die Deckschicht bildenden Elastomer und/oder in mindestens einer die Belagstoffschichten miteinander verbindenden Bindemittel-Zwischenschicht eingelagert ist.The conductive material can can also be realized in the form of a fine-mesh fabric that in the elastomer forming the cover layer and / or in at least one connecting the covering layers with each other Binder intermediate layer is stored.

Die in der vorstehenden Beschreibung und den Ansprüchen offenbarten Merkmale der Erfindung können sowohl einzeln als auch in beliebigen Kombinationen für die Verwirklichung der Erfindung in ihren verschiedenen Ausführungsformen wesentlich sein.The in the foregoing description and claims disclosed features of the invention can be both individually as well as in any combination for the realization the invention in its various embodiments essential his.

Claims (6)

  1. Card clothing for teasels and/or carding machines made of several cotton layers connected to each other, and to an elastomeric cover layer on one of the outer sides, by means of a bonding agent, to form a covering unit, and with small hooks, preferably small double hooks, extending transversely in relation to the said layers and passing through these layers in the direction of the elastomeric cover layer and projecting with their tips, whereby particulate electrically conducting material is embedded in the cover layer, serving to conduct frictional electricity away, characterized in that the electrically conducting, particulate material has fine wires having a diameter, density and/or distribution that ensures contact with the inserted small hooks.
  2. Card clothing in accordance with claim 1, characterized in that the conducting material is additionally incorporated into the bonding material intermediate layers connecting the layers.
  3. Card clothing in accordance with claim 1 or 2, characterized in that the fine wires are made of steel.
  4. Card clothing in accordance with one of the preceding claims, characterized in that the fine wires have a diameter of approximately 8 - 10 µm and a density and distribution that ensure contact with the inserted small hooks.
  5. Card clothing in accordance with one of the preceding claims, characterized in that the fine wires are in the form of wire sections having a length of approximately 1 to 10 mm, preferably approximately 5 mm that are randomly mixed into the elastomer forming the cover layer.
  6. Card clothing for teasels and/or carding machines made of several cotton layers connected to each other, and to an elastomeric cover layer on one of the outer sides, by means of a bonding agent, to form a covering unit, and with small hooks, preferably small double hooks, extending transversely in relation to the said layers and passing through these layers in the direction of the elastomeric cover layer and projecting with their tips, whereby particulate electrically conducting material is embedded in the cover layer, serving to conduct frictional electricity away, characterized in that the conducting material is a fine-meshed fabric in which the elastomer forming the cover layer and/or in which at least one bonding agent intermediate layer connecting the layers to each other is embedded.
EP99110667A 1998-06-15 1999-06-02 Clothing for carding machines and/or for woolen cards Expired - Lifetime EP0965666B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19826542A DE19826542C2 (en) 1998-06-15 1998-06-15 Scraper fitting for cards and / or carding machines
DE19826542 1998-06-15

Publications (3)

Publication Number Publication Date
EP0965666A2 EP0965666A2 (en) 1999-12-22
EP0965666A3 EP0965666A3 (en) 2001-04-18
EP0965666B1 true EP0965666B1 (en) 2004-09-15

Family

ID=7870896

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99110667A Expired - Lifetime EP0965666B1 (en) 1998-06-15 1999-06-02 Clothing for carding machines and/or for woolen cards

Country Status (6)

Country Link
US (1) US6070302A (en)
EP (1) EP0965666B1 (en)
AT (1) ATE276390T1 (en)
BR (1) BR9902707B1 (en)
DE (2) DE19826542C2 (en)
ES (1) ES2224494T3 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100540766C (en) * 2003-08-25 2009-09-16 特鲁菲舍尔股份有限公司及两合公司 Be used for the equipment of the carding machine of cotton, synthetic fiber etc., wherein have at least one to have the combing rod of cover of combing flat-clothing
CN101175877B (en) * 2005-05-11 2012-10-17 里特机械公司 Spinning preparation machine and contactless measuring method
DE102006005605A1 (en) * 2005-06-24 2007-01-04 TRüTZSCHLER GMBH & CO. KG Device on a carding machine for cotton, man-made fibers u. Like., In which at least one flat bar is present with a flat fitting.
EP2097564B1 (en) * 2006-11-10 2011-01-19 Maschinenfabrik Rieter Ag Textile machine and contactless measurement process
GB2494277A (en) * 2011-08-29 2013-03-06 Univ Heriot Watt Electro-spinning nanofibres onto a moving wire card
CH705549A1 (en) 2011-09-16 2013-03-28 Graf & Co Ag Set for a cover of a card.
CH706587A1 (en) * 2012-06-04 2013-12-13 Graf & Co Ag Clothing support.
CH707682A2 (en) 2013-03-06 2014-09-15 Graf & Co Ag Foundation for a garnish of a card.
KR101684119B1 (en) * 2015-05-28 2016-12-07 현대자동차주식회사 An apparatus for blending pet fiber and kapok fiber using static elecricity and a method for blending pet fiber and kapok fiber using it
EP3359703A4 (en) * 2015-10-09 2019-05-15 NV Bekaert SA An elongated steel wire with a metal coating for corrosion resistance
JP6967258B2 (en) * 2016-11-25 2021-11-17 株式会社荒木製作所 Method of manufacturing needle cloth
DE102017101863A1 (en) 2017-01-31 2018-08-02 TRüTZSCHLER GMBH & CO. KG Detection device on a spinning preparation machine and provided for flat bar garnish

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Publication number Priority date Publication date Assignee Title
US578592A (en) * 1897-03-09 Elijah ashworth
DE44018C (en) * S. ROBERTS in Cleckheaton und J. V. CURRY in Bradford, York, England Scratch fittings made of artificial cloth
DE257860C (en) *
US213876A (en) * 1879-04-01 Improvement in card-clothing
US1293504A (en) * 1915-04-13 1919-02-04 Herbert Midgley Foundation for card-clothing.
BE417508A (en) * 1935-09-26
DE648230C (en) * 1935-09-26 1937-07-26 Continental Gummi Werke Akt Ge Card, the scraper fittings of which have an underlay of rubberized fabric layers and a rubber cover layer
US2190631A (en) * 1938-02-08 1940-02-13 American Plush & Velvet Pressb Pressboard for velvet, etc.
US2268459A (en) * 1940-01-24 1941-12-30 Us Rubber Co Card cloth foundation
US2488442A (en) * 1948-03-10 1949-11-15 Jr Edwin Allen Snape Card clothing
BE550378A (en) * 1955-12-30
FR1189593A (en) * 1958-01-08 1959-10-05 Improvement in cardboard fillings
US3290729A (en) * 1961-08-04 1966-12-13 Deering Milliken Res Corp Card clothing
BE794646A (en) * 1972-01-29 1973-05-16 English Card Clothing BASIS VOOR EEN KAARDEBESLAG
CH636134A5 (en) * 1979-04-20 1983-05-13 Graf & Co Ag SCRAP CARRIER FOR CARD COVERINGS.
DE8803283U1 (en) * 1988-03-11 1988-04-28 Drei-S-Werk Präzisionswerkzeuge GmbH & Co Fertigungs-KG, 8540 Schwabach Pinstripes for textile machines
JPH0233376A (en) * 1988-07-19 1990-02-02 Tadokoro Kimou Kk Base fabric for card clothing

Also Published As

Publication number Publication date
BR9902707A (en) 2000-02-08
ATE276390T1 (en) 2004-10-15
US6070302A (en) 2000-06-06
EP0965666A2 (en) 1999-12-22
DE19826542A1 (en) 1999-12-16
DE59910489D1 (en) 2004-10-21
BR9902707B1 (en) 2009-01-13
DE19826542C2 (en) 2001-05-31
ES2224494T3 (en) 2005-03-01
EP0965666A3 (en) 2001-04-18

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