EP0513904B1 - Yarn carrier for multiple use - Google Patents

Yarn carrier for multiple use Download PDF

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Publication number
EP0513904B1
EP0513904B1 EP92201298A EP92201298A EP0513904B1 EP 0513904 B1 EP0513904 B1 EP 0513904B1 EP 92201298 A EP92201298 A EP 92201298A EP 92201298 A EP92201298 A EP 92201298A EP 0513904 B1 EP0513904 B1 EP 0513904B1
Authority
EP
European Patent Office
Prior art keywords
yarn
base body
face
yarn carrier
wall
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
EP92201298A
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German (de)
French (fr)
Other versions
EP0513904A1 (en
Inventor
Hans Schürmann
Hugo Specker
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.)
Viscosuisse SA
Original Assignee
Rhone Poulenc Viscosuisse SA
Societe de la Viscose Suisse SA
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 Rhone Poulenc Viscosuisse SA, Societe de la Viscose Suisse SA filed Critical Rhone Poulenc Viscosuisse SA
Publication of EP0513904A1 publication Critical patent/EP0513904A1/en
Application granted granted Critical
Publication of EP0513904B1 publication Critical patent/EP0513904B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/10—Kinds or types of circular or polygonal cross-section without flanges, e.g. cop tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a yarn carrier for multiple use for threads, consisting of an essentially cylindrical base body with a wall thickness of at least 4 mm, free of internal fittings, made of hard paper, wood or plastic, with a replaceable cover.
  • Yarn carriers are mass products and mostly consist of spiral-wound cardboard or plastic. They have proven themselves as disposable cores for high winding speeds (man-made fibers / textile industry, June 1976, pages 522-525).
  • Reusable thread carriers so-called head tubes, have internal structures, are not completely balanced and therefore unsuitable for higher speeds.
  • a disposable sleeve which is made of paper and is provided with a plastic cover crimped on its outer edge.
  • Such sleeves are completely unsuitable for stacking on top of one another and for reuse.
  • Multiple use has proven to be uneconomical with sleeves of this type, since the known sleeves are damaged or deformed, in particular, on their end faces and surfaces.
  • Yarn carrier sleeves must have a certain stability so that they are not deformed or compressed by the yarn to be wound on them.
  • Such a sleeve is not reusable. Sorting is mostly done by hand and cannot be limited to visible defects; hidden defects must also be recorded in order to avoid run-out problems and obstruction of the yarn in the case of a reusable sleeve.
  • the known yarn tubes must have a defined surface that is as homogeneous as possible and are therefore relatively complex to manufacture and control.
  • the object of the invention is to provide a yarn carrier which can be used multiple times and does not have the disadvantages of the known yarn carriers.
  • end of the yarn outlet on the yarn outlet side consists of an outer wall and an inner wall, the cover being flanged flush over the outer edge of the outer wall of the base body and both end faces of the yarn carrier having the same inner diameter.
  • a major advantage of the same inner diameter is that one or more of the yarn carriers according to the invention can be pushed quickly and directly onto the mandrel of a winding machine.
  • the base body preferably consists of hard paper or wood, the surface of which is not critical, that is to say does not need to be defined. Such sleeves can therefore be manufactured economically without great effort.
  • the base body can also consist of any plastic, which, however, must not deform during use, so that its reusability is guaranteed.
  • the wall thickness of the sleeve should be at least 4 mm, preferably 6 mm, which is a multiple of the thickness of a coating. However, it is largely dependent on the stability requirements for the base body, which in turn is determined by the yarn to be wound up.
  • a circular channel is expediently provided in the base body. It is used to retract a plastic cover. This creates a cavity in the interior of the yarn carrier tube without any internals. Depending on its length, this allows a number of yarn carriers arranged one behind the other to be attached to a mandrel.
  • the outer edge of the trough is advantageously lower than the inner one and ensures that a yarn runs smoothly.
  • the protruding inner edge is a protection when stacking and transporting a full spool. The coil weight rests on this edge.
  • the outer surface of the base body is flush with an exchangeable plastic cover, which is flanged over the outer edge of the end face on the yarn outlet side.
  • Interchangeable means that the plastic cover can be easily replaced if damaged, which is done by cutting and peeling off the old cover and fitting a new one. The replacement is conveniently done automatically.
  • the cover can consist of any plastic or paper on which the wound yarn leaves no groove marks and which is largely insensitive to impact. Its surface can be either smooth or rough or, for example, orange peel-like in accordance with the yarn to be processed. A smooth surface, especially over the front edge, allows the yarn to be pulled off without damage, for example in weaving, texturing and warp-making. The retraction and fastening in the 360-degree channel ensures that the plastic cover is securely anchored completely.
  • FIG. 3 the thread run-side edge 4 is shown enlarged.
  • the wall 5 '' is level 9; the wall 5 'is formed as a convex surface 10.
  • the circular ring surface 9 lies at least 3 mm above the surface 10.
  • the yarn carrier according to the invention is preferably made of hard paper, wood or plastic and is particularly suitable for winding on filament spinning, draw-bobbin, draw-twist, texturing, winding and twisting machines.

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  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • External Artificial Organs (AREA)

Abstract

A reusable yarn carrier for threads consists in its essential part of a cylindrical basic body (1) made of hard paper, wood or plastic having a flush exchangeable covering (3) which possesses, over the end face on the yarn run-off side, a circular groove (5), the inner wall (5'') of which projects beyond the outer wall (5'). The plastic covering (3) is crimped over the outer edge (4) of the end face and is fastened to the inner groove wall (5''). In an alternative version, the basic body (1) is equipped with a head part (2). The head part (2) serves for receiving a linear-density disc and makes handling easier. <IMAGE>

Description

Die Erfindung betrifft einen Garnträger zur mehrfachen Verwendung für Fäden, bestehend aus einem im wesentlichen zylindrischen Grundkörper mit einer Wandstärke von wenigstens 4 mm, frei von inneren Einbauten, aus einem Hartpapier, einem Holz oder einem Kunststoff, mit einem auswechselbaren Ueberzug.The invention relates to a yarn carrier for multiple use for threads, consisting of an essentially cylindrical base body with a wall thickness of at least 4 mm, free of internal fittings, made of hard paper, wood or plastic, with a replaceable cover.

Garnträger sind Massenprodukte und bestehen meistens aus spiralgewickeltem Karton oder Kunststoff. Sie haben sich als Einweghülsen für hohe Aufwickelgeschwindigkeiten bewährt (Chemiefasern/Textil-Industrie, Juni 1976, Seiten 522-525).Yarn carriers are mass products and mostly consist of spiral-wound cardboard or plastic. They have proven themselves as disposable cores for high winding speeds (man-made fibers / textile industry, June 1976, pages 522-525).

Mehrfach verwendbare Garnträger, sogenannte Kopshülsen, weisen Innenaufbauten auf, sind nicht vollkommen wuchtfrei herzustellen und daher für höhere Geschwindigkeiten ungeeignet.Reusable thread carriers, so-called head tubes, have internal structures, are not completely balanced and therefore unsuitable for higher speeds.

Aus der US-A-2953317 ist ein gattungsbildender Garnträger bekannt, der aus mehreren Teilen zusammengesetzt wird und daher sehr aufwendig in der Herstellung ist.From US-A-2953317 a generic yarn carrier is known, which is composed of several parts and is therefore very expensive to manufacture.

Aus der GB-A-993228 ist eine Einweghüse bekannt, die aus Papier gefertigt und mit einem an ihrem äusseren Rand eigebördelten Kunststoffüberzug versehen ist. Allerdings sind solche Hülsen zur Stapelung aufeinander und Wiederverwendung völlig ungeeignet. Eine Mehrfachverwendung hat sich bei Hülsen dieser Art als unwirtschaftlich erwiesen, da die bekannten Hülsen vor allem an ihren Stirnseiten und Oberflächen beschädigt oder deformiert werden. Garnträgerhülsen müssen eine bestimmte Stabilität aufweisen, damit sie nicht von dem auf sie aufzuspulenden Garn verformt oder zusammengedrückt werden. Eine solche Hülse ist nicht wiederverwendbar. Das Aussortieren erfolgt meistens von Hand und kann nicht nur auf optisch sichtbare Mängel beschränkt werden; es müssen auch versteckte Mängel erfasst werden, um bei einer wiederverwendbaren Hülse, Rundlaufprobleme und Ablaufbehinderungen des Garnes zu vermeiden. Die bekannten Garnhülsen müssen eine definierte, möglichst homogene Oberfläche aufweisen und sind daher relativ aufwendig in ihrer Herstellung und Kontrolle.From GB-A-993228 a disposable sleeve is known which is made of paper and is provided with a plastic cover crimped on its outer edge. However, such sleeves are completely unsuitable for stacking on top of one another and for reuse. Multiple use has proven to be uneconomical with sleeves of this type, since the known sleeves are damaged or deformed, in particular, on their end faces and surfaces. Yarn carrier sleeves must have a certain stability so that they are not deformed or compressed by the yarn to be wound on them. Such a sleeve is not reusable. Sorting is mostly done by hand and cannot be limited to visible defects; hidden defects must also be recorded in order to avoid run-out problems and obstruction of the yarn in the case of a reusable sleeve. The known yarn tubes must have a defined surface that is as homogeneous as possible and are therefore relatively complex to manufacture and control.

Ein grosses Problem stellt neuerdings die Entsorgung der Einweghülsen dar. Die Forderung nach einer Hülse aus abbaubarem Kunststoff ist aus wirtschaftlichen Gründen noch nicht erfüllbar. Es wird versucht, Sammelstellen für das Recycling der leeren Hülsen einzurichten, aber eine Lösung für die Aufarbeitung der in grossen Mengen anfallenden Hülsen besteht noch nicht.The disposal of disposable sleeves has recently become a major problem. The requirement for a sleeve made of degradable plastic cannot yet be met for economic reasons. Attempts are being made to set up collection points for recycling the empty tubes, but there is still no solution for processing the tubes in large quantities.

Aufgabe der Erfindung ist es, einen Garnträger zur Verfügung zu stellen, welcher mehrfach einsetzbar ist und die Nachteile der bekannten Garnträger nicht aufweist.The object of the invention is to provide a yarn carrier which can be used multiple times and does not have the disadvantages of the known yarn carriers.

Diese Aufgabe wird erfindungsgemäss dadurch gelöst, dass die garnablaufseitige Stirnseite aus einer äusseren Wand und einer inneren Wand besteht, wobei der Ueberzug bündig über die äussere Kante der äusseren Wand des Grundkörpers gebördelt ist und beide Stirnseiten des Garnträgers einen gleichen Innendurchmesser aufweisen.This object is achieved according to the invention in that the end of the yarn outlet on the yarn outlet side consists of an outer wall and an inner wall, the cover being flanged flush over the outer edge of the outer wall of the base body and both end faces of the yarn carrier having the same inner diameter.

Ein wesentlicher Vorteil des gleichen Innendurchmessers ist es, dass ein oder mehrere der erfindungsgemässen Garnträger rasch und unmittelbar auf den Dorn einer Spulmaschine aufgeschoben werden können.A major advantage of the same inner diameter is that one or more of the yarn carriers according to the invention can be pushed quickly and directly onto the mandrel of a winding machine.

Der Grundkörper besteht bevorzugt aus Hartpapier oder Holz, dessen Oberfläche nicht kritisch ist, das heisst, nicht definiert zu sein braucht. Solche Hülsen können daher ohne grossen Aufwand wirtschaftlich hergestellt werden. Der Grundkörper kann aber auch aus jedem Kunststoff bestehen, welcher sich allerdings im Gebrauch nicht verformen darf, damit seine Wiederverwendbarkeit gewährleistet ist. Die Wandstärke der Hülse sollte wenigstens 4 mm, bevorzugt 6 mm betragen, was ein mehrfaches der Dicke eines Ueberzuges darstellt. Sie ist jedoch weitgehend von den Stabilitätsanforderungen an den Grundkörper abhängig, was wiederum vom aufzuwickelnden Garn bestimmt wird.The base body preferably consists of hard paper or wood, the surface of which is not critical, that is to say does not need to be defined. Such sleeves can therefore be manufactured economically without great effort. The base body can also consist of any plastic, which, however, must not deform during use, so that its reusability is guaranteed. The wall thickness of the sleeve should be at least 4 mm, preferably 6 mm, which is a multiple of the thickness of a coating. However, it is largely dependent on the stability requirements for the base body, which in turn is determined by the yarn to be wound up.

Zweckmässig ist im Grundkörper eine kreisförmige Rinne vorgesehen. Sie dient zur versenkbaren Aufnahme eines Kunststoffüberzuges. Damit entsteht im Innern der Garnträgerhülse ein Hohlraum ohne Einbauten. Dies erlaubt, auf einen Dorn, je nach seiner Länge, mehreren hintereinander angeordnete Garnträgern aufzustecken. Die äussere Kante der Rinne ist vorteilhafterweise niedriger als die innere und gewährleistet einen einwandfreien Ablauf eines Garnes. Ausserdem ist die vorstehende innere Kante ein Schutz bei der Stapelung und dem Transport einer vollen Spule. Das Spulengewicht lastet auf dieser Kante.A circular channel is expediently provided in the base body. It is used to retract a plastic cover. This creates a cavity in the interior of the yarn carrier tube without any internals. Depending on its length, this allows a number of yarn carriers arranged one behind the other to be attached to a mandrel. The outer edge of the trough is advantageously lower than the inner one and ensures that a yarn runs smoothly. In addition, the protruding inner edge is a protection when stacking and transporting a full spool. The coil weight rests on this edge.

Die äussere Fläche des Grundkörpers ist bündig mit einem auswechselbaren Kunststoffüberzug versehen, der über die äussere Kante der garnablaufseitigen Stirnfläche gebördelt ist. Auswechselbar bedeutet, dass der Kunststoffüberzug bei einer Beschädigung leicht ausgetauscht werden kann, was durch Aufschneiden und Abziehen des alten Ueberzuges und Aufziehen eines neuen erfolgt. Das Austauschen erfolgt zweckmässigerweise automatisch. Der Ueberzug kann aus jedem Kunststoff oder Papier bestehen, auf dem das aufgewickelte Garn keine Rillenspuren hinterlässt und der gegen Schlag weitgehend unempfindlich ist. Seine Oberfläche kann entsprechend dem zu verarbeitenden Garn entweder glatt oder rauh oder beispielsweise orangenhautartig gestaltet sein. Eine glatte Oberfläche, insbesondere über der Stirnseitenkante, erlaubt einen beschädigungslosen Abzug des Garnes, beispielsweise in der Weberei, beim Texturieren und bei der Kettherstellung. Der Einzug und die Befestigung in der um 360 Grad verlaufenden Rinne gewährleistet eine sichere vollständige Verankerung des Kunststoffüberzugs.The outer surface of the base body is flush with an exchangeable plastic cover, which is flanged over the outer edge of the end face on the yarn outlet side. Interchangeable means that the plastic cover can be easily replaced if damaged, which is done by cutting and peeling off the old cover and fitting a new one. The replacement is conveniently done automatically. The cover can consist of any plastic or paper on which the wound yarn leaves no groove marks and which is largely insensitive to impact. Its surface can be either smooth or rough or, for example, orange peel-like in accordance with the yarn to be processed. A smooth surface, especially over the front edge, allows the yarn to be pulled off without damage, for example in weaving, texturing and warp-making. The retraction and fastening in the 360-degree channel ensures that the plastic cover is securely anchored completely.

Die Erfindung soll anhand einer Zeichnung näher beschrieben werden. Es zeigen:

Fig. 1
einen Längsschnitt durch den erfindungsgemässen Garnträger
Fig. 2
eine Aufsicht auf den Garnträger nach Fig. 1
Fig. 3
ein Detail der fadenablaufseitigen Kante

In Fig. 1 ist ein Grundkörper mit dem Bezugszeichen 1 benannt. Der einteilige Grundkörper 1 besteht in seiner einfachsten Ausführung aus einem Hartpapierzylinder. Ueber dem Grundkörper 1 ist ein Ueberzug 3 bündig angebracht, der an der fadenablaufseitigen Kante 4 gebördelt und in einer Rinne 5 an der gegen die Aussenseite gerichteten Rinnenwand 5' befestigt ist. Eine innere Rinnenwand 5'' überragt die äussere Rinnenwand 5'.The invention will be described in more detail with reference to a drawing. Show it:
Fig. 1
a longitudinal section through the yarn carrier according to the invention
Fig. 2
a plan of the yarn carrier of FIG. 1st
Fig. 3
a detail of the edge on the thread outlet side

In Fig. 1, a base body is designated by the reference numeral 1. The simplest version of the one-piece base body 1 consists of a hard paper cylinder. A cover 3 is mounted flush above the base body 1, which is flanged on the edge 4 on the thread outlet side and fastened in a groove 5 on the groove wall 5 'directed towards the outside. An inner channel wall 5 '' projects beyond the outer channel wall 5 '.

Aus Fig. 2 sind in der Aufsicht die Rille 5 und deren Rillenwände 5' und 5'' zu ersehen.2, the groove 5 and its groove walls 5 'and 5''can be seen in the top view.

In Fig. 3 ist die fadenablaufseitige Kante 4 vergrössert dargestellt. Die Wand 5'' ist als Ebene 9; die Wand 5' als konvexe Oberfläche 10 ausgebildet. Die Kreisringfläche 9 liegt wenigsten 3 mm über der Oberfäche 10.In Fig. 3, the thread run-side edge 4 is shown enlarged. The wall 5 '' is level 9; the wall 5 'is formed as a convex surface 10. The circular ring surface 9 lies at least 3 mm above the surface 10.

Der erfindungsgemässe Garnträger ist bevorzugt aus Hartpapier, Holz oder Kunststoff gefertigt und besonders zum Aufwickeln auf Filamentspinn-, Streckspul-, Streckzwirn-, Texturier-, Spul- und Zwirnmaschinen geeignet.The yarn carrier according to the invention is preferably made of hard paper, wood or plastic and is particularly suitable for winding on filament spinning, draw-bobbin, draw-twist, texturing, winding and twisting machines.

Claims (4)

  1. A yarn carrier for yarns, for multiple use which consists of a substantially cylindrical base body (1) made of a hard paper, wood or a synthetic material, with a changeable cover (3), wherein the end face on the yarn running-off side of the base body (1) consists of an outer side (5') and an inner side (5''), in which arrangement the inner side (5'') projects over the outer side (5') and the cover (3) is folded flush over the outer edge (4) of the outer side (5') of the base body (1); characterized in that the base body (1) consists of one piece with a wall thickness of at least 4 mm free of any internal fittings; that the projection projects by at least 3 mm; and that both end faces of the base body (1) have the same internal diameter.
  2. A yarn carrier according to claim 1, characterized in that the cover (3) is secured flush in a circular groove (5) of the end face on the yarn running-off side of the base body (1).
  3. A yarn carrier according to claim 1, characterized in that the end face (9) of the side (5'') constitutes a plane (9).
  4. A yarn carrier according to claim 1, characterized in that the end face (10) of the outer wall (5') has a convex surface.
EP92201298A 1991-05-15 1992-05-07 Yarn carrier for multiple use Expired - Lifetime EP0513904B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH145791 1991-05-15
CH1457/91 1991-05-15

Publications (2)

Publication Number Publication Date
EP0513904A1 EP0513904A1 (en) 1992-11-19
EP0513904B1 true EP0513904B1 (en) 1995-07-05

Family

ID=4210916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92201298A Expired - Lifetime EP0513904B1 (en) 1991-05-15 1992-05-07 Yarn carrier for multiple use

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EP (1) EP0513904B1 (en)
AT (1) ATE124665T1 (en)
DE (1) DE59202788D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008025084A1 (en) * 2006-08-30 2008-03-06 Merctech Pty Ltd An external cover for a spool of thread to prevent thread from freely coming off as the spool is being used

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4202029A1 (en) * 1992-01-25 1993-07-29 Manfred Hahm CHANGER
DE4329273C1 (en) * 1993-08-31 1995-03-23 Zimmermann Jos Gmbh & Co Kg Sleeve for receiving yarn, in particular a twisted or spinning sleeve
AT410661B (en) * 1996-04-09 2003-06-25 Fries Planung & Marketing Cylindrical spool accommodating wound yarn, includes collar fitting its internal diameter, which fits further spool stacked upon it
DE102017108981A1 (en) * 2017-04-26 2018-10-31 Benteler Automobiltechnik Gmbh Support profile with a tubular profile body

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2953317A (en) * 1955-03-15 1960-09-20 Decorated Metal Mfg Co Inc Spool
GB993228A (en) * 1963-08-23 1965-05-26 Textile Paper Tube Company Ltd Improvements in the manufacture of textile yarn bobbins or tubes
US3614017A (en) * 1969-10-15 1971-10-19 Steel Heddle Mfg Co Pirn
US3628747A (en) * 1969-12-02 1971-12-21 Courtaulds North America Inc Pirn cap

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008025084A1 (en) * 2006-08-30 2008-03-06 Merctech Pty Ltd An external cover for a spool of thread to prevent thread from freely coming off as the spool is being used
US8302894B2 (en) 2006-08-30 2012-11-06 Merctech Pty Ltd External cover for a spool of thread to prevent thread from freely coming off as the spool is being used

Also Published As

Publication number Publication date
ATE124665T1 (en) 1995-07-15
EP0513904A1 (en) 1992-11-19
DE59202788D1 (en) 1995-08-10

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