EP0170094A1 - Tube in the capacity of a winding core - Google Patents
Tube in the capacity of a winding core Download PDFInfo
- Publication number
- EP0170094A1 EP0170094A1 EP19850108281 EP85108281A EP0170094A1 EP 0170094 A1 EP0170094 A1 EP 0170094A1 EP 19850108281 EP19850108281 EP 19850108281 EP 85108281 A EP85108281 A EP 85108281A EP 0170094 A1 EP0170094 A1 EP 0170094A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paper
- sleeve
- fibers
- nonwoven
- tube
- 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
Links
- 238000004804 winding Methods 0.000 title claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 239000000123 paper Substances 0.000 description 17
- 239000002655 kraft paper Substances 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000004826 Synthetic adhesive Substances 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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 sleeve as a winding core for extremely thin thread-like winding material, in particular glass fibers with a thickness of at least a few micrometers; with several mutually bonded layers of helically wound sheets, at least one of which is made of nonwoven or synthetic paper.
- synthetic paper is understood to mean an artificial paper made exclusively of chemical fibers, which make up the majority of what is known as plastic paper, which also contains natural fibers.
- Winding cores for extremely thin glass fibers emerging from nozzles are known in the form of paper tubes with several mutually bonded layers of helically wound webs of so-called kraft paper and are used almost exclusively.
- These cuffs which can be pulled onto a mandrel that rotates at a peripheral speed of up to 100 m / s, and which can be folded flat by double folding along the diametrical surface lines of the circular sleeve cylinder, become transverse to the mandrel after removing the glass fiber wrap sitting on the paper sleeve from the mandrel the plane defined by the fold lines, onto the center line of one sleeve half (between the two fold lines) first in the form of a kidney, and then by folding the two sleeve folds together around the center line parallel to the sleeve axis of the other sleeve half and removing them from the inside of the wrap, whereupon they bend back and forth Unfold can be stretched again on a mandrel.
- the invention is therefore based on the object of providing a sleeve as a winding core for extremely thin thread-like winding material such as glass fibers, which preserves the advantages of the sleeve made of kraft paper and at the same time avoids the disadvantages of such a sleeve, that is to say is easily foldable and bendable , externally embossable, heat-resistant, heat-resistant, wet and tear-resistant and at least as often reusable until the outside of the sleeve would have to be cleaned because of the soiling due to the size.
- the outer layer is provided with adhesive marks which are arranged along the lines following the course of the web forming the outer layer.
- adhesive stamps can be, for example, those which, as in the exemplary embodiment, were produced by means of a knurled wheel having recesses similar to holes on the circumference.
- a sleeve according to the invention contains plastic paper, then this should consist of a mixture of slim cellulose fibers with polyamide fibers and of a binder from the class of acrylic ester copolymers.
Landscapes
- Laminated Bodies (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Paper (AREA)
Abstract
Description
Die Erfindung betrifft eine Hülse als Wickelkern für extrem dünnes fadenförmiges Wickelgut, insbesondere Glasfasern mit einer Dicke von minimal einigen Mikrometern; mit mehreren gegenseitig verklebten Lagen wendelförmig gewickelter Bahnen, von denen mindestens eine aus Vliesstoff oder synthetischem Papier besteht. Unter synthetischem Papier wird hier im Gegensatz zu gewöhnlichem Papier aus natürlichen Fasern ein künstliches Papier aussch-ießlich aus Chemiefasern verstanden, welche den überwiegenden Anteil in sogenanntem Kunststoffpapier ausmachen, das auch natürliche Fasern enthält.The invention relates to a sleeve as a winding core for extremely thin thread-like winding material, in particular glass fibers with a thickness of at least a few micrometers; with several mutually bonded layers of helically wound sheets, at least one of which is made of nonwoven or synthetic paper. In contrast to ordinary paper made from natural fibers, synthetic paper is understood to mean an artificial paper made exclusively of chemical fibers, which make up the majority of what is known as plastic paper, which also contains natural fibers.
Wickelkerne für aus Düsen austretende extrem dünne Glasfasern sind in Gestalt von Papierhülsen mit mehreren gegenseitig verklebten Lagen wendelförmig gewickelter Bahnen aus sog. Kraft-Papier bekannt und nahezu ausschließlich in Gebrauch. Diese auf einen mit einer Umfangsgeschwindigkeit bis 100 m/s rotierbaren Spanndorn aufziehbaren, sogenannten Manschetten, die sich durch zweifaches Falten längs diametraler Mantellinien des kreisrunden Hülsenzylinders flach zusammenlegen lassen, werden nach dem Entfernen des auf der Papierhülse sitzenden Glasfaserwickels vom Spanndorn unter Fingerdruck, quer zu der von den Faltlinien bestimmten Ebene, auf die Mittellinie einer Hülsenhälfte (zwischen den beiden Faltlinien) zunächst in Nierenform sowie anschließend durch Zusammenbiegen der zwei Hülsenfalze um die zur Hülsenachse parallele Mittellinie der anderen Hülsenhälfte zusammengelegt und aus dem Wickelinneren entfernt, worauf sie nach-Zurückbiegen und Entfalten erneut auf einen Wickeldorn gespannt werden können. Die sich in dieser Falt- und Biegbarkeit zeigende Flexibilität von Hülsen aus -Kraft-Papier wird vorteilhaft durch die Wärmebeständigkeit und die äußerliche Prägbarkeit solchen Papiers ergänzt, welche es ermöglicht,die äußere Lage der Hülse mit Haftmarken zu versehen, die verhindern, daß der mit Schlichte (Avivagemittel) versetzte Glasfaserwickel von seinem Wickelkern axial abrutscht.Winding cores for extremely thin glass fibers emerging from nozzles are known in the form of paper tubes with several mutually bonded layers of helically wound webs of so-called kraft paper and are used almost exclusively. These cuffs, which can be pulled onto a mandrel that rotates at a peripheral speed of up to 100 m / s, and which can be folded flat by double folding along the diametrical surface lines of the circular sleeve cylinder, become transverse to the mandrel after removing the glass fiber wrap sitting on the paper sleeve from the mandrel the plane defined by the fold lines, onto the center line of one sleeve half (between the two fold lines) first in the form of a kidney, and then by folding the two sleeve folds together around the center line parallel to the sleeve axis of the other sleeve half and removing them from the inside of the wrap, whereupon they bend back and forth Unfold can be stretched again on a mandrel. The flexibility of sleeves made of kraft paper, which is evident in this foldability and flexibility, is advantageously supplemented by the heat resistance and the external embossability of such paper, which makes it possible to provide the outer layer of the sleeve with adhesive marks which prevent the Plain (finishing agent) offset glass fiber coils slip axially from its winding core.
Den genannten Vorteilen von Hülsen aus Kraft-Papier als Glasfaserwickelkernen steht aber eine Reihe von Nachteilen gegenüber, die beim Eintritt der Bedingungen festzustellen sind, unter denen die Glasfasern erzeugt und aufgewickelt sowie getrocknet Trocknungs- /werden. Dazu gehören die hohe/Temperatur der Glasfasern und der den Spanndorn umgebenden Luft sowie die Durchtränkung mit Schlichte, die auf die Glasfasern gebracht wird. Mangelhaft ist an Hülsen aus Kraft-Papier aber nicht nur dieHowever, the above-mentioned advantages of cores made of kraft paper as glass fiber winding cores are offset by a number of disadvantages which must be determined when the conditions occur under which the glass fibers are produced and wound up and dried T rocknungs- / are. This includes the high / temperature of the glass fibers and the air surrounding the mandrel, as well as the impregnation with sizing that is applied to the glass fibers. It is not just that that is lacking in paper cores
Naßfestigkeit, sondern auch die Reißfestigkeit an den Randkanten der Hülse, deren Durchmesser z.B. 25 cm und deren Drehzahl dann beispielsweise 200/s beträgt, damit die Glasfasern zwischen Spinndüse und Wickeldorn auf ihre gewünschte Dicke von einigen Mikrometern gestreckt werden.Wet strength, but also tear strength at the edge of the sleeve, the diameter of which e.g. 25 cm and its speed is then, for example, 200 / s, so that the glass fibers between the spinneret and mandrel are stretched to their desired thickness of a few micrometers.
Die genannten Nachteile bringen es mit sich, daß als Glasfaserwickelkerne eingesetzte Hülsen aus Kraft-Papier nur wenige Male wiederverwendbar sind und deshalb trotz relativ geringen Stückpreises einen erheblichen Kostenaufwand erfordern.The disadvantages mentioned entail that sleeves made of kraft paper used as glass fiber winding cores can only be reused a few times and therefore, despite the relatively low unit price, require considerable expense.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Hülse als Wickelkern für extrem dünnes fadenförmiges Wickelgut wie Glasfasern zu schaffen, welche die erwähnten Vorteile der Hülse aus Kraft-Papier bewahrt und gleichzeitig die genannten Nachteile einer solchen Hülse vermeidet, das heißt leicht falt-und biegbar, äußerlich prägbar, wärme- ja hitzebeständig, naß-und reißfest sowie mindestens so oft wiederverwendbar ist, bis eine Reinigung der Hülse auf ihrer Außenseite wegen der Verschmutzung durch die Schlichte durchzuführen wäre.The invention is therefore based on the object of providing a sleeve as a winding core for extremely thin thread-like winding material such as glass fibers, which preserves the advantages of the sleeve made of kraft paper and at the same time avoids the disadvantages of such a sleeve, that is to say is easily foldable and bendable , externally embossable, heat-resistant, heat-resistant, wet and tear-resistant and at least as often reusable until the outside of the sleeve would have to be cleaned because of the soiling due to the size.
Diese Aufgabe ist bei einer Hülse der eingangs genannten Art erfindungsgemäß dadurch gelöst, daß ausschließlich Bahnen aus Vliesstoff und/oder aus synthetischem Papier und/oder aus Kunststoffpapier und/oder aus Vliesstoff vorhanden sind, welche an Fasern zumindest überwiegend Chemiefasern und ein synthetisches Bindemittel aufweisen.This object is achieved according to the invention in a sleeve of the type mentioned at the outset in that only webs of nonwoven and / or of synthetic paper and / or of plastic paper and / or of nonwoven are present which have at least predominantly chemical fibers and a synthetic binder on fibers.
Es ist zwar aus der DE-PS 31 05 828 eine Papierhülse als Wickelkern für extrem dünnes bahnförmiges Wickelgut bekannt, welche aus zahlreichen gegenseitig verklebten Lagen wendelförmig gewickelter Papier- oder Pappebahnen und zwei "synthetischen Papierbahnen" besteht, die in wenigstens einer Lage bei stoßfreier überlappung ihrer Längsränder die Außenumfangsfläche bzw. in wenigstens einer Lage die Innenumfangsfläche der Papier hülse bilden; diese ist jedoch vliesfrei und weist auch keine Lage aus einer Kunststoffpapierbahn auf, sondern nur Bahnen aus Kraft-Papier bzw. synthetischem Papier mit einem Anteil Zellstoff-Fasern von 65 Gewichtsprozenten. Bei einer bevorzugten Ausführungsform der erfindungsgemäßen Hülse bestehen die inneren Lagen aus gleichem Material und die äußere Lage gegebenenfalls aus anderem Material, sodaß Schrumpfungsprobleme minimalisiert sind.It is known from DE-PS 31 05 828 a paper tube as a winding core for extremely thin web-shaped winding material, which consists of numerous mutually bonded layers of helically wound paper or cardboard webs and two "synthetic paper webs", which overlap in at least one position with bumpless their longitudinal edges the outer peripheral surface or in at least one layer the inner peripheral surface of the paper form sleeve; However, this is nonwoven and does not have a layer made of a plastic paper web, but only webs made of kraft paper or synthetic paper with a cellulose fiber content of 65 percent by weight. In a preferred embodiment of the sleeve according to the invention, the inner layers are made of the same material and the outer layer is optionally made of a different material, so that shrinkage problems are minimized.
Bei der bevorzugten Ausführungsform ist die äußere Lage mit Haftmarken versehen, die längs, dem Verlauf der die äußere Lage bildenden Bahn folgenden Linien angeordnet sind. Bei diesen Haftmarken kann es sich beispielsweise um solche handeln, die wie im Ausführungsbeispiel miitels eines am Umfang lochähnliche Vertiefungen aufweisenden Rändelrades hergestellt wurden.In the preferred embodiment, the outer layer is provided with adhesive marks which are arranged along the lines following the course of the web forming the outer layer. These adhesive stamps can be, for example, those which, as in the exemplary embodiment, were produced by means of a knurled wheel having recesses similar to holes on the circumference.
Als Ausführungsbeispiel der erfindungsgemäßen Hülse ist ein Modell der bevorzugten Ausführungsform mit allen beanspruchten Merkmalen beigefügt.As an exemplary embodiment of the sleeve according to the invention, a model of the preferred embodiment with all the claimed features is attached.
Wie daran zu sehen ist, folgt auf insgesamt vier gleiche innere bzw. mittlere Lagen aus Vliesstoff, deren Bahnränder überlappungsfrei aneinanderstoßen, eine wegen der Ausprägung der äußerlichen Noppen festere und wegen der stoßfreien Überlappung ihrer Bahnränder dünnere Schicht aus anderem Vliesstoff, da hauptsächlich dieser physikalisch-chemisch beansprucht wird. Es handelt sich also um eine Hülse, die abgesehen von dem zur Lagenverbindung verwendeten synthetischen Klebstoff ausschließlich aus Vliesstoffen besteht, die Fasern aus Aramid, Polyester, Polyamid und Zellstoff enthalten und als Bindemittel thermisch vernetzbare wässrige Dispersionen von Mischpolymerisaten auf Acrylatbasis enthalten können. Bei der Vliesherstellung wurden Fasern von 1,5 bis 3,5 dtex verwendet.As can be seen from this, a total of four identical inner or middle layers of nonwoven fabric, the web edges of which adjoin one another without overlap, are followed by a layer made of other nonwoven fabric that is firmer due to the shape of the outer knobs and thinner because of the overlap-free overlap of their web edges, since this is mainly physically is chemically stressed. It is therefore a sleeve which, apart from the synthetic adhesive used for the ply connection, consists exclusively of nonwovens, which contain fibers made of aramid, polyester, polyamide and cellulose and which can contain, as binders, thermally crosslinkable aqueous dispersions of copolymers based on acrylates. Fibers of 1.5 to 3.5 dtex were used in the nonwoven production.
Enthält eine erfindungsgemäße Hülse Kunststoffpapier, dann sollte dieses aus einer Mischung schlanker Zellstoffasern mit Polyamidfasern und aus einem Bindemittel aus der Klasse Acrylsäureester-Copolymerisate bestehen.If a sleeve according to the invention contains plastic paper, then this should consist of a mixture of slim cellulose fibers with polyamide fibers and of a binder from the class of acrylic ester copolymers.
Claims (3)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843428466 DE3428466A1 (en) | 1984-08-02 | 1984-08-02 | SLEEVE AS WINDING CORE |
| DE3428466 | 1984-08-02 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0170094A1 true EP0170094A1 (en) | 1986-02-05 |
| EP0170094B1 EP0170094B1 (en) | 1988-05-25 |
| EP0170094B2 EP0170094B2 (en) | 1991-10-30 |
Family
ID=6242170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19850108281 Expired - Lifetime EP0170094B2 (en) | 1984-08-02 | 1985-07-04 | Tube in the capacity of a winding core |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0170094B2 (en) |
| DE (1) | DE3428466A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0254121A2 (en) * | 1986-07-19 | 1988-01-27 | Christian Majer GmbH & Co. KG Maschinenfabrik | Bobbin |
| WO1999023024A1 (en) * | 1997-11-03 | 1999-05-14 | Wibmer Gmbh U. Co. Kommanditgesellschaft Papier - Formtechnik | Spool sleeve with a transponder, especially for glass fiber spinning bobbins |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7017799B2 (en) | 2001-12-04 | 2006-03-28 | The Gates Corporation | Spindle sleeve with transponder |
| DE102021107582A1 (en) | 2021-03-25 | 2022-09-29 | Hochschule Bremen, Körperschaft des öffentlichen Rechts | Collapsible winding mandrel for the production of fiber composite materials and a corresponding method |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH373295A (en) * | 1960-03-12 | 1963-11-15 | Gerresheimer Glas Ag | Sleeve for winding glass threads |
| US3350030A (en) * | 1965-10-20 | 1967-10-31 | Nvf Company | Fiberglass reinforced textile bobbin |
| DE1596663A1 (en) * | 1966-09-16 | 1970-05-14 | Sonoco Products Co | Shaped tube for glass fibers |
| US3544034A (en) * | 1968-05-28 | 1970-12-01 | Star Paper Tube Inc | Yarn carrier tube |
| GB1224290A (en) * | 1968-09-30 | 1971-03-10 | Sonoco Products Co | Improvements in forming tubes for glass fibres |
| DE1635059B1 (en) * | 1965-05-25 | 1971-07-29 | Rhodiaceta | REEL SUPPORT MADE OF THERMOPLASTIC PLASTIC |
| DE1611716A1 (en) * | 1963-08-23 | 1972-03-09 | Sonoco Products Co | Textile carrier |
| GB1290592A (en) * | 1970-03-26 | 1972-09-27 | ||
| DE2262280A1 (en) * | 1971-12-23 | 1973-07-05 | Sonoco Products Co | THREAD DISPENSER AND PROCESS FOR ITS MANUFACTURING |
| CH549523A (en) * | 1973-06-05 | 1974-05-31 | Langenbach J Ag | Paper sleeve to support wound materials - of a stiff core and spirally-wound corrugated cardboard |
| DE2650757A1 (en) * | 1975-11-05 | 1977-05-12 | Du Pont | THREAD CARRIER AND METHOD OF MANUFACTURING THEREOF |
| DE2910303A1 (en) * | 1979-03-16 | 1980-09-25 | Webron Products Ltd | Yarn carrier for forming dyeing package - is made of needle felt material as a seamless tube |
| DE3105828C2 (en) * | 1981-02-18 | 1983-02-24 | Paul & Co Inh. K. Kunert & Söhne GmbH & Co, 8789 Wildflecken | Paper tube as winding core for extremely thin web-shaped winding material |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3871601A (en) * | 1972-06-06 | 1975-03-18 | Westinghouse Electric Corp | Composite structure and high speed bobbin |
| CH616128A5 (en) * | 1977-04-15 | 1980-03-14 | Langenbach J Ag | Tube for bearing web-shaped products wound thereon |
-
1984
- 1984-08-02 DE DE19843428466 patent/DE3428466A1/en active Granted
-
1985
- 1985-07-04 EP EP19850108281 patent/EP0170094B2/en not_active Expired - Lifetime
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH373295A (en) * | 1960-03-12 | 1963-11-15 | Gerresheimer Glas Ag | Sleeve for winding glass threads |
| DE1611716A1 (en) * | 1963-08-23 | 1972-03-09 | Sonoco Products Co | Textile carrier |
| DE1635059B1 (en) * | 1965-05-25 | 1971-07-29 | Rhodiaceta | REEL SUPPORT MADE OF THERMOPLASTIC PLASTIC |
| US3350030A (en) * | 1965-10-20 | 1967-10-31 | Nvf Company | Fiberglass reinforced textile bobbin |
| DE1596663A1 (en) * | 1966-09-16 | 1970-05-14 | Sonoco Products Co | Shaped tube for glass fibers |
| US3544034A (en) * | 1968-05-28 | 1970-12-01 | Star Paper Tube Inc | Yarn carrier tube |
| GB1224290A (en) * | 1968-09-30 | 1971-03-10 | Sonoco Products Co | Improvements in forming tubes for glass fibres |
| GB1290592A (en) * | 1970-03-26 | 1972-09-27 | ||
| DE2262280A1 (en) * | 1971-12-23 | 1973-07-05 | Sonoco Products Co | THREAD DISPENSER AND PROCESS FOR ITS MANUFACTURING |
| CH549523A (en) * | 1973-06-05 | 1974-05-31 | Langenbach J Ag | Paper sleeve to support wound materials - of a stiff core and spirally-wound corrugated cardboard |
| DE2650757A1 (en) * | 1975-11-05 | 1977-05-12 | Du Pont | THREAD CARRIER AND METHOD OF MANUFACTURING THEREOF |
| DE2910303A1 (en) * | 1979-03-16 | 1980-09-25 | Webron Products Ltd | Yarn carrier for forming dyeing package - is made of needle felt material as a seamless tube |
| DE3105828C2 (en) * | 1981-02-18 | 1983-02-24 | Paul & Co Inh. K. Kunert & Söhne GmbH & Co, 8789 Wildflecken | Paper tube as winding core for extremely thin web-shaped winding material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0254121A2 (en) * | 1986-07-19 | 1988-01-27 | Christian Majer GmbH & Co. KG Maschinenfabrik | Bobbin |
| EP0254121A3 (en) * | 1986-07-19 | 1989-12-06 | Christian Majer GmbH & Co. KG Maschinenfabrik | Bobbin |
| WO1999023024A1 (en) * | 1997-11-03 | 1999-05-14 | Wibmer Gmbh U. Co. Kommanditgesellschaft Papier - Formtechnik | Spool sleeve with a transponder, especially for glass fiber spinning bobbins |
| US6357685B1 (en) * | 1997-11-03 | 2002-03-19 | Wibmer Gmbh U. Co. Kommanditgesellschaft Papier-Formtechnik | Spool-collar with transponder especially for spin-spooling of glass fibers |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3428466C2 (en) | 1992-10-01 |
| EP0170094B1 (en) | 1988-05-25 |
| EP0170094B2 (en) | 1991-10-30 |
| DE3428466A1 (en) | 1986-02-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
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