EP0170094B2 - Tube in the capacity of a winding core - Google Patents
Tube in the capacity of a winding core Download PDFInfo
- Publication number
- EP0170094B2 EP0170094B2 EP19850108281 EP85108281A EP0170094B2 EP 0170094 B2 EP0170094 B2 EP 0170094B2 EP 19850108281 EP19850108281 EP 19850108281 EP 85108281 A EP85108281 A EP 85108281A EP 0170094 B2 EP0170094 B2 EP 0170094B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- fibres
- paper
- strip
- outer layer
- winding core
- 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
Links
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 a few micrometers; with several mutually bonded layers of helically wound webs, each made of a single material and containing 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 almost exclusively in use.
- These so-called cuffs which can be pulled up with a circumferential speed of up to 100 mls, and which can be folded flat by double folding along diametrical surface lines of the circular sleeve cylinder, are removed from the tension dome under finger pressure, transversely to that of, by removing the glass laser coil sitting on the paper sleeve 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 bending 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, after which they bend open again after being bent back and unfolded a winding dome can be tensioned.
- the invention is therefore based on the object to provide 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 easily foldable and bendable, externally is embossable, heat-resistant, heat-resistant, wet and tear-resistant and can be reused at least as often until the outside of the sleeve would have to be cleaned because of the contamination from the size.
- each web consists of nonwoven fabric, with each web predominantly comprising chemical fibers which are bound by a synthetic agent; or by the fact that part of the webs are made of nonwoven and the rest of the webs are made of plastic paper, possibly synthetic paper, whereby in each web there are mainly synthetic fibers as fibers, which are bound by a synthetic agent Contrary to ordinary paper made from natural fibers understood an artificial paper that also contains such fibers, but mainly consists of chemical lasers, which have replaced all natural fibers in so-called synthetic paper.
- the bulk density (according to DIN 53 105) of the synthetic paper or, in the borderline case of the synthetic paper is more than 0.35 glcm 3 , below which there is a nonwoven if the weight fraction of fibers is over 30%
- 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 marks it can be, for example, those which, as in the exemplary embodiment, were produced by means of a knurled wheel having holes-like depressions on the circumference.
- a total of four identical inner or middle layers of nonwoven web, the web edges of which adjoin one another without overlap, are followed by a layer made of a different nonwoven fabric which is firmer due to the shape of the outer knobs and thinner because of the overlapping of their web edges, since this is mainly physically is chemically stressed.
- a sleeve which, apart from the synthetic adhesive used for the ply bond, 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 acrylate. Fibers of 1.5 to 3.5 dtex were used in the nonwoven production.
- 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 acid ester copolymers.
Description
Die Erfindung betrifft eine Hülse als Wickelkern für extrem dünnes fadenförmiges Wickelgut, insbesondere Glasfasern mit einer Dicke von einigen Mikrometem ; mit mehreren gegenseitig verklebten Lagen wendelförmig gewickelter Bahnen, die je aus einem einzigen Material bestehen und Fasern enthalten.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 a few micrometers; with several mutually bonded layers of helically wound webs, each made of a single material and containing fibers.
Wickelkeme 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 mls rotierbaren Spanndom 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 Glaslaserwickels vom Spanndom 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 Wickeldom gespannt werden können.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 almost exclusively in use. These so-called cuffs, which can be pulled up with a circumferential speed of up to 100 mls, and which can be folded flat by double folding along diametrical surface lines of the circular sleeve cylinder, are removed from the tension dome under finger pressure, transversely to that of, by removing the glass laser coil sitting on the paper sleeve 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 bending 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, after which they bend open again after being bent back and unfolded a winding dome can be tensioned.
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 ennäglicht, die äußere Lage der Hülse mit Haltmarken zu versehen, die verhindern, daß der mit Schlichte (Avivagemittel) versetzte Glaslaserwickel von seinem Wickelkem axial abrutscht.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 unnecessary to provide the outer layer of the sleeve with holding marks which prevent the sizing (Finishing agent) offset glass laser winding slips axially from its winding core.
Den genannten Vorteilen von Hülsen aus Kraft-Papier als Glaslaserwickelkemen steht aber eine Reihe von Nachteilen gegenüber, die beim Eintritt der Bedingungen festzustellen sind, unter denen die Glasfasern erzeugt und aufgewickelt sowie getrocknet werden. Dazu gehören die hohe TrocknungsTemperatur der Glasfasern und der den Spanndom umgebenden Luft sowie die Durchtränkung mit Schlichte, die auf die Glaslasem gebracht wird. Mangelhaft ist an Hülsen aus Kraft-Papier aber nicht nur die 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 Glaslasem zwischen Spinndüse und Wickeldorn auf ihre gewünschte Dicke von einigen Mikrometern gestreckt werden.However, the above-mentioned advantages of kraft paper cores as glass laser winding cores are offset by a number of disadvantages which have to be determined when the conditions occur under which the glass fibers are produced and wound up and dried. This includes the high drying temperature of the glass fibers and the air surrounding the dome, as well as the impregnation with sizing that is applied to the glass lasers. What is deficient in sleeves made of kraft paper is not only the wet strength, but also the tear resistance at the marginal edges of the sleeve, the diameter of which, for. B. 25 cm and its speed is then, for example, 200 / s, so that the glass lasers 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 Stückpreisen einen erheblichen Kostenaufwand erfordern. Steife Hülsen mit homogener Wandung aus massivem Kunststoff konnten sich mangels Faltund Biegbarkeit dagegen nicht durchsetzen.The disadvantages mentioned entail that cores made of kraft paper used as glass fiber winding cores can only be reused a few times and therefore require considerable costs despite relatively low unit prices. Rigid sleeves with a homogeneous wall made of solid plastic, however, could not prevail due to the lack of foldability and flexibility.
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 faltund 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 to provide 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 easily foldable and bendable, externally is embossable, heat-resistant, heat-resistant, wet and tear-resistant and can be reused at least as often until the outside of the sleeve would have to be cleaned because of the contamination from the size.
Diese Aufgabe ist bei einer Hülse der eingangs genannten Art erfindungsgemäß dadurch gelöst, daß jede Bahn aus Vliesstoff besteht, wobei in jeder Bahn als Faser überwiegend Chemiefasern vorhanden sind, die durch ein synthetisches Mittel gebunden sind; oder dadurch, daß ein Teil der Bahnen aus Vliesstoff und der restliche Teil der Bahnen aus Kunststoffpapier, gegebenenfalls synthetischem Papier, besteht, wobei in jeder Bahn als Fasern überwiegend Chemiefasern vorhanden sind, die durch ein synthetisches Mittel gebunden sind.- Unter Kunststoffpapier wird hier im Gegensatz zu gewöhnlichem Papier aus natürlichen Fasern ein künstliches Papier verstanden, das solche Faser auch enthält, aber überwiegend aus Chemielasem besteht, die im sogenannten synthetischen Papier alle natürlichen Fasem verdrängt haben. Die Rohdichte (nach DIN 53 105) des Kunststollpapiers oder im Grenzfall des synthetischen Papiers beträgt mehr als 0,35 glcm3, unterhalb deren ein Vliesstoff vorliegt, falls der Gewichtsanteil an Fasern über 30 % liegtThis object is achieved according to the invention in a sleeve of the type mentioned at the outset in that each web consists of nonwoven fabric, with each web predominantly comprising chemical fibers which are bound by a synthetic agent; or by the fact that part of the webs are made of nonwoven and the rest of the webs are made of plastic paper, possibly synthetic paper, whereby in each web there are mainly synthetic fibers as fibers, which are bound by a synthetic agent Contrary to ordinary paper made from natural fibers understood an artificial paper that also contains such fibers, but mainly consists of chemical lasers, which have replaced all natural fibers in so-called synthetic paper. The bulk density (according to DIN 53 105) of the synthetic paper or, in the borderline case of the synthetic paper, is more than 0.35 glcm 3 , below which there is a nonwoven if the weight fraction of fibers is over 30%
Es ist zwar aus der DE-C-3 105 828 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 Papierhülse bilden ; diese Hülse ist jedoch vliesfrei und weist auch nicht ausschließlich Bahnen aus synthetischem Papier oder Kunststoffpapier, d. h. mit wenigstens überwiegend Chemielasem, auf. Bei einer bevorzugten Ausführungsform der erfindungsgemäßen Hülse bestehen die inneren Lagen aus gleichem Material und die äußere Lage gegebenenfalls aus anderem Material, sodaß Schrumpfungsprobteme minimalisiert sind.It is known from DE-C-3 105 828 a paper tube as a winding core for extremely thin web-shaped material to be wound, which consists of numerous mutually bonded layers of helically wound paper or cardboard webs and two "synthetic paper webs", which in at least one layer with bumpless Overlap of their longitudinal edges form the outer peripheral surface or, in at least one position, the inner peripheral surface of the paper tube; however, this sleeve is nonwoven and does not exclusively have sheets of synthetic paper or plastic paper, i. H. with at least predominantly chemical lasers. 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 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 mittels 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. With these stickers it can be, for example, those which, as in the exemplary embodiment, were produced by means of a knurled wheel having holes-like depressions on the circumference.
In einem Ausführungsbeispiel der erfindungsgemäßen Hülse folgt auf insgesamt vier gleiche innere bzw. mittlere Lagen aus Vliesstoll, 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 vemetzbare wässrige Dispersionen von Mischpolymerisaten aufAcrylatbasis enthalten können. Bei der Vliesherstellung wurden Fasern von 1,5 bis 3,5 dtex verwendet.In one embodiment of the sleeve according to the invention, a total of four identical inner or middle layers of nonwoven web, the web edges of which adjoin one another without overlap, are followed by a layer made of a different nonwoven fabric which is firmer due to the shape of the outer knobs and thinner because of the overlapping 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 bond, 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 acrylate. 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 Zellstoffasem mit Polyamidfasem 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 acid ester copolymers.
Claims (4)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3428466 | 1984-08-02 | ||
| DE19843428466 DE3428466A1 (en) | 1984-08-02 | 1984-08-02 | SLEEVE AS WINDING CORE |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0170094A1 EP0170094A1 (en) | 1986-02-05 |
| EP0170094B1 EP0170094B1 (en) | 1988-05-25 |
| EP0170094B2 true 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7017799B2 (en) | 2001-12-04 | 2006-03-28 | The Gates Corporation | Spindle sleeve with transponder |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3624522A1 (en) * | 1986-07-19 | 1988-01-21 | Majer Christian Gmbh Co Kg | WRAPPED BODY |
| DE29719432U1 (en) * | 1997-11-03 | 1998-03-26 | Wibmer Gmbh U Co Kg Papier For | Spool sleeve with transponder, especially for spinning spools of glass fibers |
| 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 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1280450A (en) * | 1960-03-12 | 1961-12-29 | Gerresheimer Glas Ag | Sleeve for winding glass threads |
| LU46493A1 (en) * | 1963-08-23 | 1972-01-01 | ||
| FR1458186A (en) * | 1965-05-25 | 1966-03-04 | Rhodiaceta | Self-retracting support tube for retractable wire reels |
| US3350030A (en) * | 1965-10-20 | 1967-10-31 | Nvf Company | Fiberglass reinforced textile bobbin |
| BE700321A (en) * | 1966-09-16 | 1967-12-01 | ||
| US3544034A (en) * | 1968-05-28 | 1970-12-01 | Star Paper Tube Inc | Yarn carrier tube |
| US3545494A (en) * | 1968-09-30 | 1970-12-08 | Sonoco Products Co | Forming tube for glass fibers |
| GB1290592A (en) * | 1970-03-26 | 1972-09-27 | ||
| US3826445A (en) * | 1971-12-23 | 1974-07-30 | Sonoco Products Co | Yarn tube |
| US3871601A (en) * | 1972-06-06 | 1975-03-18 | Westinghouse Electric Corp | Composite structure and high speed bobbin |
| 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 |
| US4027830A (en) * | 1975-11-05 | 1977-06-07 | E. I. Du Pont De Nemours And Company | Yarn support |
| CH616128A5 (en) * | 1977-04-15 | 1980-03-14 | Langenbach J Ag | Tube for bearing web-shaped products wound thereon |
| 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 |
-
1984
- 1984-08-02 DE DE19843428466 patent/DE3428466A1/en active Granted
-
1985
- 1985-07-04 EP EP19850108281 patent/EP0170094B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7017799B2 (en) | 2001-12-04 | 2006-03-28 | The Gates Corporation | Spindle sleeve with transponder |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3428466C2 (en) | 1992-10-01 |
| EP0170094A1 (en) | 1986-02-05 |
| EP0170094B1 (en) | 1988-05-25 |
| DE3428466A1 (en) | 1986-02-13 |
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