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EP2582875B1 - Buoyant cable - Google Patents

Buoyant cable Download PDF

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Publication number
EP2582875B1
EP2582875B1 EP11720521.1A EP11720521A EP2582875B1 EP 2582875 B1 EP2582875 B1 EP 2582875B1 EP 11720521 A EP11720521 A EP 11720521A EP 2582875 B1 EP2582875 B1 EP 2582875B1
Authority
EP
European Patent Office
Prior art keywords
range
hollow
buoyant
rope according
monofilament
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.)
Active
Application number
EP11720521.1A
Other languages
German (de)
French (fr)
Other versions
EP2582875A1 (en
Inventor
Volker Siejak
Andreas Flachenecker
Petra Gottmann
Qiao Xiao
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.)
PHP Fibers GmbH
Original Assignee
PHP Fibers 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
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Priority to EP11720521.1A priority Critical patent/EP2582875B1/en
Publication of EP2582875A1 publication Critical patent/EP2582875A1/en
Application granted granted Critical
Publication of EP2582875B1 publication Critical patent/EP2582875B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/20—Buoyant ropes, e.g. with air-filled cellular cores; Accessories therefor
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/12—Ropes or cables with a hollow core
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/201—Polyolefins
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2039—Polyesters
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2046—Polyamides, e.g. nylons

Definitions

  • the invention relates to a buoyant rope, i. a dew floating on the water.
  • JP 2000-303254 and JP 2003-055836 describe in each case a buoyant dew made of hollow fibers of a thermoplastic polymer, for example made of nylon 6, with a proportion of the hollow volume at the fiber volume of 10 to 35%, wherein the hollow fibers have at least two lumens.
  • WO 2009/026215 describes a hybrid yarn of one or more polyolefin fibers and one or more reinforcing fibers.
  • the hybrid yarn can be used inter alia to form fibrous structures including braided tows.
  • EP 0 666 364 A2 describes a dew that floats in water.
  • the rope consists of two or more fiber strands and a floating body, which is arranged in a rope.
  • the fibers of the fiber strands are spun around the float and are plant fibers or synthetic fibers.
  • the Weggroper is designed as a sausage-shaped foam material or as a sausage-shaped Schlau, wherein both the foam material and the tube is either in continuous form or divided into elements or cut into pieces.
  • the present invention has the object to provide another buoyant rope.
  • a floatable in water rope consisting of at least two strands, each strand comprises synthetic fibers, and preferably each strand of synthetic fibers, wherein the dew is characterized in that the synthetic fibers comprise a component A) and a component B) wherein A) is at least one monofilament, said monofilament having a diameter in the range of 0.5 to 7.0 mm, and B) at least one multifilament yarn whose filaments are hollow fiber filaments.
  • the rope consists of 3 to 36 strands.
  • the rope consists of 6 to 18 strands.
  • the rope contains 2 to 648 monofilaments.
  • the rope contains 3 to 54 monofilaments.
  • each of the 36 strands may each contain 18 monofilaments.
  • each of the 6 strands may each contain 9 monofilaments.
  • component A) and component B) form a weight ratio A): B), where A): B) preferably in the range from 20:80 to 80:20, particularly preferably in the range from 30:70 to 70 : And most preferably in the range of 35:65 to 65:35.
  • the at least one monofilament of component A) of the buoyant rope according to the invention can basically consist of any material that is suitable for producing a monofilament.
  • the at least one monofilament consists of a fiber-forming polymer selected from the group of polyamides, polyesters, polyethylenes, polypropylenes, polylactic acids and polyphenylene sulfides.
  • the hollow-fiber filaments of the at least one multifilament yarn of component B) of the buoyant rope according to the invention can basically consist of any material that is suitable for producing hollow-fiber filaments.
  • the hollow-fiber filaments of the at least one multifilament yarn preferably consist of a fiber-forming polymer which is selected from the group of polyamides, particularly preferably from the group of aliphatic polyamides (PA), very particular preference being given to a polyamide 6 (PA 6) as the aliphatic polyamide. , a polyamide 6.6 (PA 6.6) or a polyamide 4.6 (PA 4.6) is selected from.
  • At least one monofilament which preferably has a diameter in the range from 1 mm to 6.0 mm and particularly preferably in the range from 1.6 mm to 5.0 mm, is used for the buoyant rope according to the invention.
  • monofilament particularly suitable as a monofilament is the monofilament available from the company Perlon-Monofil GmbH, DE under the name Atlas® monofilament type X 400 (diameter eg 4 mm).
  • the at least one monofilament used to make the buoyant rope of the present invention has a tear strength in the range of 30 cN / tex to 70 cN / tex, more preferably in the range of 35 cN / tex to 65 cN / tex, and most preferably ranging from 40 cN / tex to 57 cN / tex.
  • the at least one monofilament used to make the tow has an elongation at break in the range from 10% to 30%, more preferably in the range from 12% to 28%, and most preferably in Range from 14% to 24%.
  • the hollow fiber filaments used to make the buoyant rope of the present invention have a breaking strength in the range of 43 cN / tex to 80 cN / tex, more preferably in the range of 53 cN / tex to 70 cN / tex, and most preferably in the range of 57 cN / tex to 66 cN / tex.
  • the hollow fiber filaments used to make the buoyant rope of the present invention have an elongation at break in the range of 9% to 35%, more preferably in the range of 14% to 30%, and most preferably in the range of 19% to 25%. on.
  • a hollow fiber filaments are particularly suitable by the company.
  • the hollow fiber filaments have a lumen cross-sectional area proportion in the range from 5 to 35%, particularly preferably in the range from 10 to 30% and very particularly preferably in the range from 15 to 28%, based on the total cross-sectional area.
  • the multifilament yarn consists of 2 to 840 hollow fibers, particularly preferably 70 to 350 hollow fibers and very particularly preferably 120 to 300 hollow fibers.
  • the tow contains, in addition to the at least one monofilament of component A) and the at least one multifilament yarn B), a component C) consisting of filling yarns, i. yarns whose diameters are selected such that the yarns fill the intermediate spaces formed by the at least one monofilament and the at least one multifilament yarn.
  • the filling yarns are made of a multifilament yarn whose filaments are e.g. Fibers, preferably hollow fibers, which are preferably spun from a polyamide and more preferably from an aliphatic polyamide such as polyamide 6 (PA 6), polyamide 6.6 (PA 6.6) or polyamide 4.6 (PA 4.6).
  • PA 6 polyamide 6
  • PA 6.6 polyamide 6.6
  • PA 4.6 polyamide 4.6

Landscapes

  • Ropes Or Cables (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)

Description

Die Erfindung betrifft ein schwimmfähiges Tau, d.h. ein Tau, das auf dem Wasser schwimmt.The invention relates to a buoyant rope, i. a dew floating on the water.

Solche Taue sind bekannt. JP 2000-303254 und JP 2003-055836 beschreiben jeweils ein schwimmfähiges Tau aus Hohlfasern aus einem thermoplastischen Polymer, z.B. aus Nylon 6, mit einem Anteil des Hohlvolumens am Faservolumen von 10 bis 35 %, wobei die Hohlfasern mindestens zwei Lumina aufweisen.Such ropes are known. JP 2000-303254 and JP 2003-055836 describe in each case a buoyant dew made of hollow fibers of a thermoplastic polymer, for example made of nylon 6, with a proportion of the hollow volume at the fiber volume of 10 to 35%, wherein the hollow fibers have at least two lumens.

WO 2009/026215 beschreibt ein Hybrid-Garn aus einer oder mehreren Polyolefinfasern und einer oder mehreren Verstärkungsfasern. Das Hybrid-Garn kann u.a. zur Bildung faserhaltiger Strukturen einschließlich geflochtener Taue eingesetzt werden. WO 2009/026215 describes a hybrid yarn of one or more polyolefin fibers and one or more reinforcing fibers. The hybrid yarn can be used inter alia to form fibrous structures including braided tows.

EP 0 666 364 A2 beschreibt ein in Wasser schwimmfähiges Tau. Das Tau besteht aus zwei oder mehreren Fasersträngen und aus einem Schwimmkörper, der im Tau angeordnet ist. Die Fasern der Faserstränge sind um den Schwimmkörper gesponnen und sind Pflanzenfasern oder Synthesefasern. Der Schwimmköper ist als wurstförmiges Schaumstoffmaterial oder als wurstförmiger Schlau ausgeführt, wobei sowohl das Schaumstoffmaterial als auch der Schlauch entweder in kontinuierlicher Form oder in Elemente aufgeteilt oder in Stücke geschnitten vorliegt. EP 0 666 364 A2 describes a dew that floats in water. The rope consists of two or more fiber strands and a floating body, which is arranged in a rope. The fibers of the fiber strands are spun around the float and are plant fibers or synthetic fibers. The Schwimmköper is designed as a sausage-shaped foam material or as a sausage-shaped Schlau, wherein both the foam material and the tube is either in continuous form or divided into elements or cut into pieces.

Daher stellt sich die vorliegende Erfindung die Aufgabe, ein weiteres schwimmfähiges Tau zur Verfügung zu stellen.Therefore, the present invention has the object to provide another buoyant rope.

Diese Aufgabe wird gelöst durch ein in Wasser schwimmfähiges Tau bestehend aus mindestens zwei Strängen, wobei jeder Strang Synthesefasern umfasst, und vorzugsweise jeder Strang aus Synthesefasern besteht, wobei das Tau dadurch gekennzeichnet ist, dass die Synthesefasern eine Komponente A) und eine Komponente B) umfassen, wobei A) mindestens ein Monofilament ist, wobei das Monofilament einen Durchmesser im Bereich von 0,5 bis 7,0 mm aufweist, und B) mindestens ein Multifilamentgarn ist, dessen Filamente Hohlfaser-Filamente sind.This object is achieved by a floatable in water rope consisting of at least two strands, each strand comprises synthetic fibers, and preferably each strand of synthetic fibers, wherein the dew is characterized in that the synthetic fibers comprise a component A) and a component B) wherein A) is at least one monofilament, said monofilament having a diameter in the range of 0.5 to 7.0 mm, and B) at least one multifilament yarn whose filaments are hollow fiber filaments.

Überraschenderweise wurde gefunden, dass dadurch, dass die Synthesefasern in jedem Strang des erfindungsgemäßen Taus eine Komponente A) und eine Komponente B) umfassen, wobei A) mindestens ein Monofilament mit einem Durchmesser im Bereich von 0,5 bis 7,0 mm ist und B) mindestens ein Multifilamentgarn ist, dessen Filamente Hohlfasern sind, schwimmfähige Taue hergestellt werden können, die im Vergleich zu Tauen, die zu 100 % aus Multifilamentgarn bestehen, eine deutlich stabilere Seilquerschnittsform aufweisen. Die deutlich stabilere Seilquerschnittsform des erfindungsgemäßen schwimmfähigen Taus hat zur Folge, dass das erfindungsgemäße schwimmfähige Tau im Vergleich zu einem schwimmfähigen Tau ohne Komponente A) die folgenden technischen Vorteile aufweist:

  • Ein gleichmäßiges Bewickeln von Winden bzw. von Winschen auf Schiffen wird sicher möglich und der Maximaldurchmesser der Winden wird bei voller Bewicklung nicht überschritten.
  • Ein Unterziehen von Seilsegmenten beim Aufwickeln (z.B. auf Winschen) wird entweder ganz vermieden oder zumindest deutlich reduziert. Die Vermeidung oder zumindest die deutliche Reduzierung des Unterziehens ist eine wesentliche Voraussetzung für ein gleichmäßiges Ablaufen des Seils von der Winde, wodurch die Verietzungsgefahr von Personen durch schlagartig freigegebene untergezogene Seilsegmente vermieden oder zumindest deutlich reduziert wird.
  • Der Reibungswiderstand beim Führen des Taus über Leitorgane, wie z.B. Klüsen, wird durch die vergleichsweise niedrige Auflagefläche des Taus auf
  • den Leitorganen reduziert, wodurch das vom Monofilament umgebene Kernmaterial vor Beschädigung durch Abrieb geschützt wird.
Surprisingly, it has been found that, in that the synthetic fibers in each strand of the rope according to the invention comprise a component A) and a component B), wherein A) is at least one monofilament with a diameter in the range of 0.5 to 7.0 mm and B ) is at least one multifilament yarn whose filaments are hollow fibers, floatable tows can be made, which have a much more stable cable cross-sectional shape compared to tows that consist of 100% multifilament yarn. The significantly more stable rope cross-sectional shape of the buoyant rope according to the invention has the consequence that the buoyant rope according to the invention has the following technical advantages in comparison to a buoyant rope without component A):
  • A uniform winding of winches or winches on ships is certainly possible and the maximum diameter of the winches is not exceeded at full winding.
  • The subjecting of rope segments during winding (eg on winches) is either completely avoided or at least significantly reduced. The avoidance or at least the significant reduction of Unterziehen is an essential prerequisite for a uniform drainage of the rope from the wind, whereby the danger of injury of persons is avoided by abruptly released untergezogene rope segments or at least significantly reduced.
  • The frictional resistance in guiding the dew via guide elements, such as Klüsen, is due to the relatively low contact surface of the rope
  • reduces the guide elements, whereby the core material surrounded by the monofilament is protected from damage by abrasion.

In einer bevorzugten Ausführungsform des erfindungsgemäßen schwimmfähigen Taus besteht das Tau aus 3 bis 36 Strängen.In a preferred embodiment of the floating buoy according to the invention, the rope consists of 3 to 36 strands.

In einer besonders bevorzugten Ausführungsform des erfindungsgemäßen schwimmfähigen Taus besteht das Tau aus 6 bis 18 Strängen.In a particularly preferred embodiment of the floating dew according to the invention, the rope consists of 6 to 18 strands.

In einer weiteren bevorzugten Ausführungsform des erfindungsgemäßen schwimmfähigen Taus enthält das Tau 2 bis 648 Monofilamente.In a further preferred embodiment of the floating dew according to the invention, the rope contains 2 to 648 monofilaments.

In einer besonders bevorzugten Ausführungsform des erfindungsgemäßen schwimmfähigen Taus enthält das Tau 3 bis 54 Monofilamente.In a particularly preferred embodiment of the floating buoy according to the invention, the rope contains 3 to 54 monofilaments.

Wenn das erfindungsgemäße schwimmfähige Tau beispielsweise aus 36 Strängen besteht, kann jeder der 36 Stränge jeweils 18 Monofilamente enthalten.For example, if the buoyant rope of the present invention consists of 36 strands, each of the 36 strands may each contain 18 monofilaments.

Wenn das erfindungsgemäße schwimmfähige Tau beispielsweise aus 6 Strängen besteht, kann jeder der 6 Stränge jeweils 9 Monofilamente enthalten.For example, if the floatable rope of the present invention consists of 6 strands, each of the 6 strands may each contain 9 monofilaments.

Im erfindungsgemäßen schwimmfähigen Tau bilden die Komponente A) und die Komponente B) ein Gewichtsverhältnis A): B), wobei A): B) vorzugsweise im Bereich von 20 : 80 bis 80 : 20, besonders bevorzugt im Bereich von 30 : 70 bis 70 : 30 und ganz besonders bevorzugt im Bereich von 35 : 65 bis 65 : 35 liegt.In the floating dew according to the invention, component A) and component B) form a weight ratio A): B), where A): B) preferably in the range from 20:80 to 80:20, particularly preferably in the range from 30:70 to 70 : And most preferably in the range of 35:65 to 65:35.

Das mindestens eine Monofilament der Komponente A) des erfindungsgemäßen schwimmfähigen Taus kann grundsätzlich aus jedem Material bestehen, dass zur Herstellung eines Monofilaments geeignet ist. Vorzugsweise besteht das mindestens eine Monofilament aus einem faserbildenden Polymeren, das ausgewählt ist aus der Gruppe der Polyamide, Polyester, Polyethylene, Polypropylene, Polymilchsäuren und Polyphenylensulfide.The at least one monofilament of component A) of the buoyant rope according to the invention can basically consist of any material that is suitable for producing a monofilament. Preferably, the at least one monofilament consists of a fiber-forming polymer selected from the group of polyamides, polyesters, polyethylenes, polypropylenes, polylactic acids and polyphenylene sulfides.

Die Hohlfaser-Filamente des mindestens einen Multifilamentgarns der Komponente B) des erfindungsgemäßen schwimmfähigen Taus können grundsätzlich aus jedem Material bestehen, dass zur Herstellung von Hohlfaser-Filamenten geeignet ist. Vorzugsweise bestehen die Hohlfaser-Filamente des mindestens einen Multifilamentgarns aus einem faserbildenden Polymeren, das ausgewählt ist aus der Gruppe der Polyamide, besonders bevorzugt aus der Gruppe der aliphatischen Polyamide (PA), wobei als aliphatisches Polyamid ganz besonders bevorzugt ein Polyamid 6 (PA 6), ein Polyamid 6.6 (PA 6.6) oder ein Polyamid 4.6 (PA 4.6) aus gewählt wird.The hollow-fiber filaments of the at least one multifilament yarn of component B) of the buoyant rope according to the invention can basically consist of any material that is suitable for producing hollow-fiber filaments. The hollow-fiber filaments of the at least one multifilament yarn preferably consist of a fiber-forming polymer which is selected from the group of polyamides, particularly preferably from the group of aliphatic polyamides (PA), very particular preference being given to a polyamide 6 (PA 6) as the aliphatic polyamide. , a polyamide 6.6 (PA 6.6) or a polyamide 4.6 (PA 4.6) is selected from.

Für das erfindungsgemäße schwimmfähige Tau wird mindestens ein Monofilament eingesetzt, das vorzugsweise einen Durchmesser im Bereich von 1 mm bis 6,0 mm und besonders bevorzugt im Bereich von 1,6 mm bis 5,0 mm aufweist.At least one monofilament, which preferably has a diameter in the range from 1 mm to 6.0 mm and particularly preferably in the range from 1.6 mm to 5.0 mm, is used for the buoyant rope according to the invention.

Als Monofilament besonders geeignet ist das von der Fa. Perlon-Monofil GmbH, DE unter der Bezeichnung Atlas® Monofilament Type X 400 (Durchmesser z.B. 4 mm) erhältliche Monofilament.Particularly suitable as a monofilament is the monofilament available from the company Perlon-Monofil GmbH, DE under the name Atlas® monofilament type X 400 (diameter eg 4 mm).

Vorzugweise weist das mindestens eine Monofilament, das zur Herstellung des erfindungsgemäßen schwimmfähigen Taus eingesetzt wird, eine Reißfestigkeit im Bereich von 30 cN/tex bis 70 cN/tex, besonders bevorzugt im Bereich von 35 cN/tex bis 65 cN/tex und ganz besonders bevorzugt im Bereich von 40 cN/tex bis 57 cN/tex auf.Preferably, the at least one monofilament used to make the buoyant rope of the present invention has a tear strength in the range of 30 cN / tex to 70 cN / tex, more preferably in the range of 35 cN / tex to 65 cN / tex, and most preferably ranging from 40 cN / tex to 57 cN / tex.

In einer weiteren bevorzugten Ausführungsform des erfindungsgemäßen schwimmfähigen Taus weist das mindestens eine Monofilament, das zur Herstellung des Taus eingesetzt wird, eine Reißdehnung im Bereich von 10 % bis 30 %, besonders bevorzugt im Bereich von 12 % bis 28 %, und ganz besonders bevorzugt im Bereich von 14 % bis 24 % auf.In a further preferred embodiment of the buoyancy invention, the at least one monofilament used to make the tow has an elongation at break in the range from 10% to 30%, more preferably in the range from 12% to 28%, and most preferably in Range from 14% to 24%.

Vorzugsweise weisen die Hohlfaser-Filamente, die zur Herstellung des erfindungsgemäßen schwimmfähigen Taus eingesetzt werden, eine Bruchfestigkeit im Bereich von 43 cN/tex bis 80 cN/tex, besonders bevorzugt im Bereich von 53 cN/tex bis 70 cN/tex und ganz besonders bevorzugt im Bereich von 57 cN/tex bis 66 cN/tex auf.Preferably, the hollow fiber filaments used to make the buoyant rope of the present invention have a breaking strength in the range of 43 cN / tex to 80 cN / tex, more preferably in the range of 53 cN / tex to 70 cN / tex, and most preferably in the range of 57 cN / tex to 66 cN / tex.

Vorzugsweise weisen die Hohlfaser-Filamente, die zur Herstellung des erfindungsgemäßen schwimmfähigen Taus eingesetzt werden, eine Bruchdehnung im Bereich von 9 % bis 35 %, besonders bevorzugt im Bereich von 14 % bis 30 % und ganz besonders bevorzugt im Bereich von 19 % bis 25 % auf.Preferably, the hollow fiber filaments used to make the buoyant rope of the present invention have an elongation at break in the range of 9% to 35%, more preferably in the range of 14% to 30%, and most preferably in the range of 19% to 25%. on.

Als Hohlfaser-Filamente besonders geeignet sind die von der Fa. Polyamide High Performance GmbH, DE unter der Bezeichnung Enkalon® 580 T erhältliche Hohlfaser-Multifilamente.A hollow fiber filaments are particularly suitable by the company. Polyamide High Performance GmbH, DE under the name Enkalon ® 580 T available hollow fiber multifilaments.

In einer bevorzugen Ausführungsform des erfindungsgemäßen schwimmfähigen Taus weisen die Hohlfaser-Filamente bezogen auf die Gesamtquerschnittsfläche einen Lumenquerschnittsflächenanteil im Bereich von 5 bis 35 %, besonders bevorzugt im Bereich von 10 bis 30 % und ganz besonders bevorzugt im Bereich von 15 bis 28 % auf.In a preferred embodiment of the buoyant tow according to the invention, the hollow fiber filaments have a lumen cross-sectional area proportion in the range from 5 to 35%, particularly preferably in the range from 10 to 30% and very particularly preferably in the range from 15 to 28%, based on the total cross-sectional area.

In einer weiteren bevorzugen Ausführungsform des erfindungsgemäßen schwimmfähigen Taus besteht das Multifilamentgarn aus 2 bis 840 Hohlfasern, besonders bevorzugt aus 70 bis 350 Hohlfasern und ganz besonders bevorzugt aus 120 bis 300 Hohlfasern.In a further preferred embodiment of the floatable rope according to the invention, the multifilament yarn consists of 2 to 840 hollow fibers, particularly preferably 70 to 350 hollow fibers and very particularly preferably 120 to 300 hollow fibers.

In einer weiteren bevorzugen Ausführungsform des erfindungsgemäßen schwimmfähigen Taus enthält das Tau zusätzlich zu dem mindestens einen Monofilament der Komponente A) und dem mindestens einen Multifilamentgarn B) eine Komponente C), die aus Füllgarnen besteht, d.h. aus Garnen, deren Durchmesser so gewählt wird, dass die Garne die von dem mindestens einen Monofilament und dem mindestens einen Multifilamentgarn gebildeten Zwischenräume ausfüllen. Vorzugsweise bestehen die Füllgarne aus einem Multifilamentgarn, dessen Filamente z.B. Fasern, vorzugsweise Hohlfasern sind, welche vorzugsweise aus einem Polyamid und besonders bevorzugt aus einem aliphatischen Polyamid wie z.B aus Polyamid 6 (PA 6), Polyamid 6.6 (PA 6.6) oder Polyamid 4.6 (PA 4.6) gesponnen wurden. Von den vorstehend genannten Polyamiden sind Polyamid 6 (PA 6) und Polyamid 6.6 (PA 6.6) ganz besonders bevorzugt.In a further preferred embodiment of the buoyant rope according to the invention, the tow contains, in addition to the at least one monofilament of component A) and the at least one multifilament yarn B), a component C) consisting of filling yarns, i. yarns whose diameters are selected such that the yarns fill the intermediate spaces formed by the at least one monofilament and the at least one multifilament yarn. Preferably, the filling yarns are made of a multifilament yarn whose filaments are e.g. Fibers, preferably hollow fibers, which are preferably spun from a polyamide and more preferably from an aliphatic polyamide such as polyamide 6 (PA 6), polyamide 6.6 (PA 6.6) or polyamide 4.6 (PA 4.6). Of the polyamides mentioned above, polyamide 6 (PA 6) and polyamide 6.6 (PA 6.6) are very particularly preferred.

In einer bevorzugten Ausführungsform besteht das erfindungsgemäße schwimmfähige Tau aus 6 Strängen, wobei

  • jeder Strang aus 9 Monofilamenten aus Polyamid 6 (PA 6) mit einem Durchmesser im Bereich von 3 mm bis 4,75 mm und aus Multifilamentgarnen aus jeweils 150 bis 300 Hohlfasern aus Polyamid 6 (PA 6) besteht,
  • jede Hohlfaser bezogen auf die Gesamtquerschnittsfläche einen Lumenquerschnittsflächenanteil im Bereich von 16 % bis 35 % aufweist und
  • das Tau ein Taugewicht aufweist und der Gewichtsanteil der Multifilamentgarne bezogen auf das Taugewicht 65 % beträgt.
In a preferred embodiment, the buoyant tau invention consists of 6 strands, wherein
  • each strand consists of 9 monofilaments of polyamide 6 (PA 6) with a diameter in the range of 3 mm to 4,75 mm and of multifilament yarns of 150 to 300 hollow fibers of polyamide 6 (PA 6),
  • each hollow fiber has a lumen cross-sectional area proportion in the range of 16% to 35% relative to the total cross-sectional area, and
  • the rope has a tow weight and the weight fraction of the multifilament yarns based on the tow weight is 65%.

Claims (10)

  1. Water-buoyant rope consisting of at least two strands, wherein each strand comprises synthetic fibers, characterized in that the synthetic fibers comprise a component A) and a component B), wherein A) is at least one monofilament, the monofilament having a diameter in the range from 0.5 mm to 7.0 mm, and B) is at least one multifilament yarn, the filaments of which are hollow-fiber filaments.
  2. Buoyant rope according to Claim 1, characterized in that the component A) and the component B) form a weight ratio A):B), wherein A):B) lies in the range from 20:80 to 80:20.
  3. Buoyant rope according to Claim 1 or 2, characterized in that the monofilament consists of a fiber-forming polymer that is selected from the group of polyamides, polyesters, polyethylenes, polypropylenes, polylactic acids and polyphenylene sulfides.
  4. Buoyant rope according to one or more of Claims 1 to 3, characterized in that the hollow-fiber filaments of the multifilament yarn consist of a fiber-forming polymer that is selected from the group of polyamides.
  5. Buoyant rope according to one or more of Claims 1 to 4, characterized in that the monofilament has an elongation at rupture in the range from 10% to 30%.
  6. Buoyant rope according to one or more of Claims 1 to 5, characterized in that the hollow-fiber filaments have a breaking tenacity in the range from 43 cN/tex to 80 cN/tex.
  7. Buoyant rope according to one or more of Claims 1 to 6, characterized in that the hollow-fiber filaments have an elongation at rupture in the range from 9% to 35%.
  8. Buoyant rope according to one or more of Claims 1 to 7, characterized in that the hollow-fiber filaments have a lumen cross-sectional area proportion in the range from 5% to 35% relative to the total cross-sectional area.
  9. Buoyant rope according to one or more of Claims 1 to 8, characterized in that the multifilament yarn consists of 2 to 840 hollow fibers.
  10. Buoyant rope according to one or more of Claims 1 to 9, characterized in that the rope consists of 6 strands, wherein
    - each strand consists of 9 monofilaments made from polyamide 6 (PA 6) having a diameter in the range from 3 mm to 4.75 mm and multifilament yarns, each made from 150 to 300 hollow fibers made from polyamide 6 (PA 6),
    - each hollow fiber has a lumen cross-sectional area proportion in the range from 16% to 35% relative to the total cross-sectional area, and
    - the rope has a weight and the weight proportion of the multifilament yarns is 65% relative to the rope weight.
EP11720521.1A 2010-06-21 2011-05-20 Buoyant cable Active EP2582875B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11720521.1A EP2582875B1 (en) 2010-06-21 2011-05-20 Buoyant cable

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10166618 2010-06-21
PCT/EP2011/058227 WO2011160905A1 (en) 2010-06-21 2011-05-20 Buoyant rope
EP11720521.1A EP2582875B1 (en) 2010-06-21 2011-05-20 Buoyant cable

Publications (2)

Publication Number Publication Date
EP2582875A1 EP2582875A1 (en) 2013-04-24
EP2582875B1 true EP2582875B1 (en) 2014-12-17

Family

ID=42712649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11720521.1A Active EP2582875B1 (en) 2010-06-21 2011-05-20 Buoyant cable

Country Status (6)

Country Link
US (1) US8850785B2 (en)
EP (1) EP2582875B1 (en)
KR (1) KR101897450B1 (en)
CN (1) CN102947503B (en)
PT (1) PT2582875E (en)
WO (1) WO2011160905A1 (en)

Cited By (2)

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US10590577B2 (en) 2016-08-02 2020-03-17 Fitesa Germany Gmbh System and process for preparing polylactic acid nonwoven fabrics
US11441251B2 (en) 2016-08-16 2022-09-13 Fitesa Germany Gmbh Nonwoven fabrics comprising polylactic acid having improved strength and toughness

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
US20130089747A1 (en) 2011-05-20 2013-04-11 William Maxwell Allen, Jr. Fibers of Polymer-Wax Compositions

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Publication number Priority date Publication date Assignee Title
US10590577B2 (en) 2016-08-02 2020-03-17 Fitesa Germany Gmbh System and process for preparing polylactic acid nonwoven fabrics
US11441251B2 (en) 2016-08-16 2022-09-13 Fitesa Germany Gmbh Nonwoven fabrics comprising polylactic acid having improved strength and toughness

Also Published As

Publication number Publication date
US20130091822A1 (en) 2013-04-18
CN102947503B (en) 2015-08-19
EP2582875A1 (en) 2013-04-24
PT2582875E (en) 2015-02-25
KR101897450B1 (en) 2018-09-12
CN102947503A (en) 2013-02-27
WO2011160905A1 (en) 2011-12-29
KR20130036286A (en) 2013-04-11
US8850785B2 (en) 2014-10-07

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