EP0113807A1 - Dye beam for textile materials - Google Patents

Dye beam for textile materials Download PDF

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Publication number
EP0113807A1
EP0113807A1 EP83108510A EP83108510A EP0113807A1 EP 0113807 A1 EP0113807 A1 EP 0113807A1 EP 83108510 A EP83108510 A EP 83108510A EP 83108510 A EP83108510 A EP 83108510A EP 0113807 A1 EP0113807 A1 EP 0113807A1
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EP
European Patent Office
Prior art keywords
dyeing
tree
covering
core
intermediate layer
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.)
Granted
Application number
EP83108510A
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German (de)
French (fr)
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EP0113807B1 (en
Inventor
Kurt Kirbach
Reiner Probst
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.)
Tuchfabrik Lorrach GmbH
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Tuchfabrik Lorrach GmbH
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 Tuchfabrik Lorrach GmbH filed Critical Tuchfabrik Lorrach GmbH
Priority to AT83108510T priority Critical patent/ATE23203T1/en
Publication of EP0113807A1 publication Critical patent/EP0113807A1/en
Application granted granted Critical
Publication of EP0113807B1 publication Critical patent/EP0113807B1/en
Expired legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/04—Carriers or supports for textile materials to be treated

Definitions

  • the invention relates to a dyeing tree for dyeing textile fabrics in a dyeing apparatus with a cylindrical tree core provided with a perforation for the passage of a dyeing liquor and an intermediate layer between the tree core and the fabric rolled up thereon.
  • the present invention is based on this second system with a dyeing apparatus.
  • So-called dyeing trees are used to hold the goods to be dyed - these can be woven, knitted or knitted items as well as non-woven fabrics. These essentially consist of a tree core with tree slices arranged on the side.
  • the goods to be dyed in particular textile fabrics in the form of bales of fabric, are rolled up on the tree core.
  • the dyeing trees are perforated over their entire circumference, so that the dyeing liquor can be pumped alternately from outside to inside and from inside to outside. In this way, the dyeing liquor soaks through the entire rolled up goods.
  • the perforation in the goods is expressed when pumping around the dyeing liquor, which makes the first layers of wrapping unsaleable.
  • an intermediate layer between the tree core and the fabric to be colored, which is rolled up on it, so that the perforation is not expressed in the goods but in this intermediate layer.
  • An intermediate layer sewn onto the goods serves as an intermediate layer and forms the first layers of the wrapping.
  • a leader cloth is dyed, which makes repeated use impossible and thereby causes high costs.
  • the flow cloth must be sewn onto the goods to be dyed and separated again after the dyeing process.
  • the invention is therefore based on the object of providing an intermediate layer which easily fulfills the conditions imposed on it and avoids the disadvantages of the known intermediate layer.
  • This object is achieved according to the invention in that a shell-like covering made of a material which is permeable to the dyeing liquor and difficult to dye is applied as the intermediate layer.
  • the intermediate layer does not have to be newly applied to the tree core before each new dyeing process, but that a tube-like covering is applied to the tree core.
  • the cover-like covering forms a uniform surface for the wrapping. In order not to impede the pumping over of the dyeing liquor, it must be permeable to it. Since it is made of a material that is difficult to dye, it prevents sticking or clogging, and thus a short lifespan.
  • a needle felt is provided as the covering.
  • This material especially if it is made of polypropylene, fulfills the conditions imposed on the covering.
  • the needle felt is provided with a support fabric.
  • the needle felt can be scorched on the side facing the tree core. Such a strengthening of the covering increases its stability.
  • the invention proposes that the covering be made from a plate sewn together in the axial direction of the tree core with a seam to form a tube.
  • Such plates have the advantage that they are easy to manufacture and process. They can be cut to any size of tree.
  • a homogeneous hose can also be used as a covering be provided, which must however be needled round on a special needle machine. It guarantees an exact fit.
  • the coloring tree 1 shown in Fig. 1 consists of a cylindrical tree core 2, the periphery of which is provided with a perforation 3.
  • Circular tree disks 4 are arranged in the two end regions of the tree core 2. Both between the two tree disks 4 and beyond them, the tree core 2 is surrounded by an envelope-like covering 5, which uniformly covers the circumference and thus the perforation 3 of the tree core 2.
  • the webs of fabric to be colored, not shown, are wound onto the tree core 2, the tree disks 4 acting as a lateral boundary. Due to the covering 5, the surface of the tree core 2 with its perforation 3 is not in direct contact with the wrapping, so that the perforation 3 is at most in the side of the covering 5 facing the tree core 2.
  • the dyeing liquor can therefore be alternately pumped from outside to inside and from inside to outside during dyeing, without fear that the perforation 3 will be imprinted in the fabric.
  • the covering 5 shown in FIG. 2 without the coloring tree 1 is made from a rectangular plate.
  • the plate is bent into a cylindrical tube, the abutting surfaces 6 facing each other being stitched together by means of a seam 7.
  • a needle felt can serve as covering 5.
  • Fig. 3 shows a section through such a needled needle felt covering.
  • the fibers of the needle felt are oriented essentially perpendicular to the surface, in the direction of flow of the dyeing liquor.
  • a needle felt is well permeable to the dyeing liquor.
  • the choice of material based on type, fiber thickness, cutting length and structural elasticity is essential for the quality of the permeability.
  • Polypropylene is particularly suitable as the material for the needle felt.
  • the lower side facing the tree core 2 is provided with a support fabric 8.
  • the covering can be singed on one side.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

1. Dye beam for dyeing flat textile structures in a dyeing apparatus with a cylindrical beam core provided on the periphery with a perforation for the passage of a dye liquor, as well as with an intermediate layer between the beam core and the flat structure rolled on the latter, characterised in that a sleeve-like cover (5) in a material permeable to the dye liquor and difficult to dye is applied as intermediate layer.

Description

Die Erfindung betrifft einen Färbebaum zum Färben von textilen Flächengebilden in einem Färbeapparat mit einem zylindrischen, über den Umfang mit einer Perforation zum Durchtritt einer Färbeflotte versehenen Baumkern sowie einer Zwischenschicht zwischen dem Baumkern und dem auf diesem aufgerollten Flächengebilde.The invention relates to a dyeing tree for dyeing textile fabrics in a dyeing apparatus with a cylindrical tree core provided with a perforation for the passage of a dyeing liquor and an intermediate layer between the tree core and the fabric rolled up thereon.

Zum Färben von Textilien unterscheidet man grundsätzlich zwei Systeme. Beim ersten System wird das Textilgut in einer Färbemaschine durch die Färbeflotte (wässrige Lösung der Farbstoffe) bewegt. Dabei läuft die zu färbende Ware von einem Stückbaum über Leitwalzen durch einen Farbbehälter. Beim zweiten System wird in einem Färbeapparat die Färbeflotte durch Pumpen durch das ruhende Textilgut gedrückt oder gesaugt. Von diesem zweiten System mit einem Färbeapparat geht die vorliegende Erfindung aus.There are basically two systems for dyeing textiles. In the first system, the textile goods are moved in a dyeing machine through the dyeing liquor (aqueous solution of the dyes). The goods to be dyed run from a piece tree over guide rollers through a paint container. In the second system, the dyeing liquor is pressed or sucked through the resting textile material in a dyeing machine. The present invention is based on this second system with a dyeing apparatus.

Zur Aufnahme der zu färbenden Ware - es kann sich dabei um gewebte, gewirkte oder gestrickte Artikel sowie um Non Wowens handeln - dienen sogenannte Färbebäume. Diese bestehen im wesentlichen aus einem Baumkern mit seitlich angeordneten Baumscheiben. Die zu färbende Ware, insbesondere textile Flächengebilde in Form von Stoffballen, liegt dabei aufgerollt auf dem Baumkern. Die Färbebäume sind über ihren gesamten Umfang perforiert, so daß die Färbeflotte wechselseitig von außen nach innen und von innen nach außen gepumpt werden kann. Auf diese Weise durchtränkt die Färbeflotte die ganze aufgerollte Ware.So-called dyeing trees are used to hold the goods to be dyed - these can be woven, knitted or knitted items as well as non-woven fabrics. These essentially consist of a tree core with tree slices arranged on the side. The goods to be dyed, in particular textile fabrics in the form of bales of fabric, are rolled up on the tree core. The dyeing trees are perforated over their entire circumference, so that the dyeing liquor can be pumped alternately from outside to inside and from inside to outside. In this way, the dyeing liquor soaks through the entire rolled up goods.

Besonders bei empfindlicher Ware drückt sich allerdings beim Umpumpen der Färbeflotte die Perforation in der Ware ab, was die ersten Lagen der Bewicklung unverkäuflich macht. Um dem abzuhelfen, ist vorgeschlagen worden, zwischen dem Baumkern und dem auf diesem aufgerollten, zu färbenden Flächengebilde eine Zwischenschicht anzuordnen, so daß sich die Perforation nicht in der Ware, sondern in dieser Zwischenschicht abdrückt. Als Zwischenschicht dient ein an der Ware angenähtes Vorlauftuch, das die ersten Lagen der Bewicklung bildet. Ein derartiges Vorlauftuch wird allerdings angefärbt, was eine mehrmalige Verwendung unmöglich macht und dadurch hohe Kosten verursacht. Zudem muß das Vorlauftuch an die zu färbende Ware angenäht und nach dem Färbevorgang wieder abgetrennt werden.Particularly with sensitive goods, however, the perforation in the goods is expressed when pumping around the dyeing liquor, which makes the first layers of wrapping unsaleable. In order to remedy this, it has been proposed to arrange an intermediate layer between the tree core and the fabric to be colored, which is rolled up on it, so that the perforation is not expressed in the goods but in this intermediate layer. An intermediate layer sewn onto the goods serves as an intermediate layer and forms the first layers of the wrapping. However, such a leader cloth is dyed, which makes repeated use impossible and thereby causes high costs. In addition, the flow cloth must be sewn onto the goods to be dyed and separated again after the dyeing process.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Zwischenschicht bereitzustellen, die auf einfache Weise die an sie gestellten Bedingungen erfüllt und die Nachteile der bekannten Zwischenschicht vermeidet.The invention is therefore based on the object of providing an intermediate layer which easily fulfills the conditions imposed on it and avoids the disadvantages of the known intermediate layer.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß als Zwischenschicht ein hüllenartiger Belag aus einem für die Färbeflotte durchlässigen, schwer anfärbbaren Material aufgezogen ist.This object is achieved according to the invention in that a shell-like covering made of a material which is permeable to the dyeing liquor and difficult to dye is applied as the intermediate layer.

Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, daß die Zwischenschicht nicht vor jedem neuen Färbevorgang neu auf den Baumkern aufgebracht werden muß, sondern daß ein schlauchartiger Belag auf dem Baumkern aufgezogen ist. Somit ist ein schneller Wechsel des zu färbenden Textilgutes möglich. Der hüllenartige Belag bildet für die Bewicklung eine gleichmäßige Oberfläche. Um das Umpumpen der Färbeflotte nicht zu behindern, muß er für diese durchlässig sein. Da er aus einem schwer anfärbbaren Material besteht, wird ein Verkleben oder Verstopfen, und damit eine kurze Lebensdauer, verhindert.The advantages achieved by the invention are, in particular, that the intermediate layer does not have to be newly applied to the tree core before each new dyeing process, but that a tube-like covering is applied to the tree core. This enables a quick change of the textile goods to be dyed. The cover-like covering forms a uniform surface for the wrapping. In order not to impede the pumping over of the dyeing liquor, it must be permeable to it. Since it is made of a material that is difficult to dye, it prevents sticking or clogging, and thus a short lifespan.

Gemäß einem weiteren Merkmal der Erfindung ist als Belag ein Nadelfilz vorgesehen. Dieses Material, insbesondere wenn es aus Polypropylen besteht, erfüllt die an den Belag gestellten Bedingungen.According to a further feature of the invention, a needle felt is provided as the covering. This material, especially if it is made of polypropylene, fulfills the conditions imposed on the covering.

Bei einer bevorzugten Ausführungsform ist der Nadelfilz mit einem Stützgewebe versehen. Außerdem kann der Nadelfilz auf der zum Baumkern hin gerichteten Seite gesengt sein. Durch eine derartige Verfestigung des Belages erhöht sich seine Stabilität.In a preferred embodiment, the needle felt is provided with a support fabric. In addition, the needle felt can be scorched on the side facing the tree core. Such a strengthening of the covering increases its stability.

Schließlich wird mit der Erfindung vorgeschlagen, daß der Belag aus einer in axialer Richtung des Baumkernes mit einer Naht zu einem Schlauch zusammengenähten Platte angefertigt ist. Derartige Platten haben den Vorteil, daß sie leicht zu fertigen und weiterzuverarbeiten sind. Sie können für jede beliebige Größe des Färbebaumes zugeschnitten werden.Finally, the invention proposes that the covering be made from a plate sewn together in the axial direction of the tree core with a seam to form a tube. Such plates have the advantage that they are easy to manufacture and process. They can be cut to any size of tree.

Daneben kann als Belag auch ein homogener Schlauch vorgesehen sein, der allerdings auf einer speziellen Nadelmaschine rund genadelt werden muß. Er garantiert dafür eine exakte Paßform.In addition, a homogeneous hose can also be used as a covering be provided, which must however be needled round on a special needle machine. It guarantees an exact fit.

Weitere Einzelheiten und Vorteile des Gegenstandes der Erfindung ergeben sich aus der nachfolgenden Beschreibung der zugehörigen Zeichnung. In der Zeichnung zeigen:

  • Fig. 1 einen zylindrischen Färbebaum mit Belag in Draufsicht, wobei allerdings der Belag im mittleren Bereich teilweise weggeschnitten ist;
  • Fig. 2 einen zusammengenähten Belag eines Färbebaums in Schrägansicht;
  • Fig. 3 einen Schnitt durch einen genadelten Nadelfilz-Belag.
Further details and advantages of the subject matter of the invention result from the following description of the accompanying drawing. The drawing shows:
  • 1 shows a cylindrical dyeing tree with a covering in a top view, although the covering in the central region is partially cut away;
  • 2 shows a sewn-on covering of a staining tree in an oblique view;
  • Fig. 3 shows a section through a needled felt covering.

Der in Fig. 1 dargestellte Färbebaum 1 besteht aus einem zylindrischen Baumkern 2, dessen Umfang mit einer Perforation 3 versehen ist. In den beiden Endbereichen des Baumkernes 2 sind kreisförmige Baumscheiben 4 angeordnet. Sowohl zwischen den beiden Baumscheiben 4 als auch jenseits von diesen ist der Baumkern 2 von einem hüllenartigen Belag 5 umgeben, der den Umfang und damit die Perforation 3 des Baumkernes 2 gleichmäßig abdeckt.The coloring tree 1 shown in Fig. 1 consists of a cylindrical tree core 2, the periphery of which is provided with a perforation 3. Circular tree disks 4 are arranged in the two end regions of the tree core 2. Both between the two tree disks 4 and beyond them, the tree core 2 is surrounded by an envelope-like covering 5, which uniformly covers the circumference and thus the perforation 3 of the tree core 2.

Bei einem derartigen Färbebaum 1 werden die zu färbenden, nicht dargestellten Stoffbahnen auf den Baumkern 2 aufgewickelt, wobei die Baumscheiben 4 als seitliche Begrenzung wirken. Durch den Belag 5 steht die Oberfläche des Baumkernes 2 mit ihrer Perforation 3 nicht im direkten Kontakt mit der Bewicklung, so daß sich die Perforation 3 höchstens in der dem Baumkern 2 zugewandten Seite des Belages 5 abdrückt. Die Färbeflotte kann daher beim Färben wechselseitig von außen nach innen und von innen nach außen gepumpt werden, ohne befürchten zu müssen, daß sich die Perforation 3 in der Stoffbahn abdrückt.In such a dyeing tree 1, the webs of fabric to be colored, not shown, are wound onto the tree core 2, the tree disks 4 acting as a lateral boundary. Due to the covering 5, the surface of the tree core 2 with its perforation 3 is not in direct contact with the wrapping, so that the perforation 3 is at most in the side of the covering 5 facing the tree core 2. The dyeing liquor can therefore be alternately pumped from outside to inside and from inside to outside during dyeing, without fear that the perforation 3 will be imprinted in the fabric.

Der in Fig. 2 dargestellte Belag 5 ohne den Färbebaum 1 ist aus einer rechteckigen Platte angefertigt. Die Platte wird zu einem zylinderförmigen Schlauch gebogen, wobei die einander zugekehrten Stoßflächen 6 mittels einer Naht 7 zusammengeheftet sind.The covering 5 shown in FIG. 2 without the coloring tree 1 is made from a rectangular plate. The plate is bent into a cylindrical tube, the abutting surfaces 6 facing each other being stitched together by means of a seam 7.

Als Belag 5 kann ein Nadelfilz dienen. Fig. 3 zeigt einen Schnitt durch einen derartigen genadelten Nadelfilz-Belag. Die Fasern des Nadelfilzes sind infolge des Herstellungsvorganges im wesentlichen senkrecht zur Oberfläche, in Fließrichtung der Färbeflotte, ausgerichtet. Ein Nadelfilz ist also für die Färbeflotte gut durchlässig. Wesentlich für die Güte der Durchlässigkeit ist die Auswahl des Materials nach Art, Faserstärke, Schnittlänge und Bauschelastizität. Als Material für den Nadelfilz eignet sich besonders Polypropylen.A needle felt can serve as covering 5. Fig. 3 shows a section through such a needled needle felt covering. As a result of the manufacturing process, the fibers of the needle felt are oriented essentially perpendicular to the surface, in the direction of flow of the dyeing liquor. A needle felt is well permeable to the dyeing liquor. The choice of material based on type, fiber thickness, cutting length and structural elasticity is essential for the quality of the permeability. Polypropylene is particularly suitable as the material for the needle felt.

Die untere, dem Baumkern 2 zugewandte Seite ist mit einem Stützgewebe 8 versehen. Zusätzlich kann der Belag einseitig gesengt sein.The lower side facing the tree core 2 is provided with a support fabric 8. In addition, the covering can be singed on one side.

Bezugszeichenliste:Reference symbol list:

  • 1 Färbebaum1 coloring tree
  • 2 Baumkern2 tree core
  • 3 Perforation3 perforation
  • 4 Baumscheibe4 tree slice
  • 5 Belag5 topping
  • 6 Stoßfläche6 contact surface
  • 7 Naht7 seam
  • 8 Stützgewebe8 support fabrics

Claims (7)

1. Färbebaum zum Färben von textilen Flächengebilden in einem Färbeapparat mit einem zylindrischen, über den Umfang mit einer Perforation zum Durchtritt einer Färbeflotte versehenen Baumkern sowie einer Zwischenschicht zwischen dem Baumkern und dem auf diesem aufgerollten Flächengebilde,
dadurch gekennzeichnet,
daß als Zwischenschicht ein hüllenartiger Belag (5) aus einem für die Färbeflotte durchlässigen, schwer anfärbbaren Material aufgezogen ist.1. dyeing tree for dyeing textile fabrics in a dyeing apparatus with a cylindrical tree core provided with a perforation around the circumference for the passage of a dye liquor and an intermediate layer between the tree core and the fabric rolled up thereon,
characterized,
that an envelope-like covering (5) is applied as an intermediate layer from a material which is permeable to the dyeing liquor and is difficult to dye. 2. Färbebaum nach Anspruch 1, dadurch gekennzeichnet, daß als Belag (5) ein Nadelfilz vorgesehen ist.2. Dyeing tree according to claim 1, characterized in that a needle felt is provided as the covering (5). 3. Färbebaum nach Anspruch 2, dadurch gekennzeichnet, daß der Nadelfilz aus Polypropylen besteht.3. dyeing tree according to claim 2, characterized in that the needle felt consists of polypropylene. 4. Färbebaum nach Anspruch 2 und 3, dadurch gekennzeichnet, daß der Nadelfilz mit einem Stützgewebe (8) versehen ist.4. dyeing tree according to claim 2 and 3, characterized in that the needle felt is provided with a support fabric (8). 5. Färbebaum nach Anspruch 4, dadurch gekennzeichnet, daß der Nadelfilz auf der zum Baumkern (2) hin gerichteten Seite gesengt ist.5. dyeing tree according to claim 4, characterized in that the needle felt on the tree core (2) facing is scorched. 6. Färbebaum nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Belag (5) aus einer in axialer Richtung des Baumkernes (2) mit einer Naht (7) zu einem Schlauch zusammengenähten Platte angefertigt ist.6. staining tree according to one of claims 1 to 5, characterized in that the covering (5) from a in axial direction of the tree core (2) with a seam (7) to a tube sewn together plate is made. 7. Färbebaum nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß als Belag (5) ein homogener Schlauch vorgesehen ist.7. dyeing tree according to one of claims 1 to 5, characterized in that a homogeneous hose is provided as a covering (5).
EP83108510A 1982-12-18 1983-08-30 Dye beam for textile materials Expired EP0113807B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83108510T ATE23203T1 (en) 1982-12-18 1983-08-30 DYEING TREE FOR DYING TEXTILE SHEET STRUCTURES IN A DYEING APPARATUS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8235643U 1982-12-18
DE19828235643U DE8235643U1 (en) 1982-12-18 1982-12-18 COLORING TREE FOR COLORING TEXTILE AREAS IN A COLORING APPARATUS

Publications (2)

Publication Number Publication Date
EP0113807A1 true EP0113807A1 (en) 1984-07-25
EP0113807B1 EP0113807B1 (en) 1986-10-29

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ID=6746650

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108510A Expired EP0113807B1 (en) 1982-12-18 1983-08-30 Dye beam for textile materials

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EP (1) EP0113807B1 (en)
AT (1) ATE23203T1 (en)
DE (2) DE8235643U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8790680B2 (en) 2001-02-23 2014-07-29 University of Pittsburg—Of the Commonwealth System of Higher Education Rapid preparation of stem cell matrices for use in tissue and organ treatment and repair

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2252436A1 (en) * 1973-11-28 1975-06-20 Monforts Fa A
FR2292795A1 (en) * 1974-11-29 1976-06-25 Rhone Poulenc Textile Protective frusto-conical elements of non-woven material - wedged between thread and support when dyeing threads on bobbins
US3997929A (en) * 1972-09-29 1976-12-21 Firma Carl Freudenberg Carrier sleeve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997929A (en) * 1972-09-29 1976-12-21 Firma Carl Freudenberg Carrier sleeve
FR2252436A1 (en) * 1973-11-28 1975-06-20 Monforts Fa A
FR2292795A1 (en) * 1974-11-29 1976-06-25 Rhone Poulenc Textile Protective frusto-conical elements of non-woven material - wedged between thread and support when dyeing threads on bobbins

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8790680B2 (en) 2001-02-23 2014-07-29 University of Pittsburg—Of the Commonwealth System of Higher Education Rapid preparation of stem cell matrices for use in tissue and organ treatment and repair

Also Published As

Publication number Publication date
DE3367263D1 (en) 1986-12-04
EP0113807B1 (en) 1986-10-29
ATE23203T1 (en) 1986-11-15
DE8235643U1 (en) 1983-05-26

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