EP1456462B1 - Cable - Google Patents
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- Publication number
- EP1456462B1 EP1456462B1 EP02786259A EP02786259A EP1456462B1 EP 1456462 B1 EP1456462 B1 EP 1456462B1 EP 02786259 A EP02786259 A EP 02786259A EP 02786259 A EP02786259 A EP 02786259A EP 1456462 B1 EP1456462 B1 EP 1456462B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheathing
- hawser
- core
- braided
- ribbons
- 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
Images
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B5/00—Making ropes or cables from special materials or of particular form
- D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
-
- 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
- D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/209—Jackets or coverings comprising braided structures
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/20903—Jackets or coverings comprising woven structures
-
- 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
- D07B2205/2014—High performance polyolefins, e.g. Dyneema or Spectra
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/2065—Reducing wear
- D07B2401/2075—Reducing wear externally
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2061—Ship moorings
Definitions
- the invention relates to a hawser according to the introduction of claim 1.
- hawser will be used as a common term for cordages having a diameter between 10 and 400 mm.
- the invention also comprises a method of manufacturing such a hawser.
- Hawsers are designed for long-lasting, large strains, especially hawsers for maritime environments, for instance when used for offshore moorings. There are high requirements to wear resistance and longevity.
- the main object of the invention is to provide a method which yields a wear resistant hawser and to produce a longevity hawser for demanding application purposes.
- an object is to create a hawser which has an even and hard-wearing outer surface, and thus can tolerate more wearing and strain, as for instance buckling, than other known hawsers.
- the invention comprises a method of producing hawsers, as indicated in claim 3.
- the sheathing After short period of use, the sheathing will get a hairy surface. This makes the sheathing more resistant than known hawsers to mechanical wearing and penetration of foreign matter, as for instance sand and dirt.
- Fig. 1 schematic illustrates an installation 11 for manufacturing of a hawser.
- the installation comprises a number of not shown spools with parallel or braided strands 12, which may be 3-, 4-, 8- or 12-fold, and which are guided through a guide disk 13 with a hole for each strand, and further together to form a hawser core 14 at the entrance 15 of a braiding machine 16 with spools 17 of sheath ribbons 18 which are braided as a dense sheath 19 onto the core 14.
- the hawser core 14 and the sheath 19 form together the final hawser 20.
- the final hawser 20 is spooled onto a reel 21.
- the braiding machine 16 has a rotatable journalled carrying disk 22, which supports a number of rotating spool holders 23.
- the spool holders 23 may be operated by gear wheels for performing a cyclic movement relative to the adjacent spools, when the braiding machine 16 rotates.
- the number of spool holders and accordingly the number of sheath ribbons 18 may vary between 4 and 32, depending on ribbon broadness and hawser diameter.
- Fig. 2 is a front elevation view of the braiding machine 16 with the spool holders 23, which illustrates how the sheath ribbons 18 are arranged in equal numbers in each direction (left- and rightwards). This is part of prior art, and will not be further described here.
- Fig. 3 and 4 two hawsers 20 are shown, which are spooled with a braided core 24 ( Fig. 3 ) and a parallel core 25 (“multicore”) ( Fig. 4 ), respectively.
- Fig. 5 is a side view of a sheath ribbon 18 which is woven together with six parallel, twisted fibre parts 26. Each such twisted fibre part 26 is formed of a number of fibres 27 and the sheath ribbon 18 is held together by transverse inwrought threads 28.
- the threads 28 are very hard-wearing, for instance Dyneema (trademark). If the thread 28 should burst, the construction of the sheathing will prevent it to loosen. This is because ribbon crosses ribbon and mutually lock one another. Plastic material may be extruded onto the sheathing/sheath ribbon.
- Fig. 6 is an end elevation view of the sheath ribbon 18 in Fig. 5 , which illustrates how the weaving influences the fibre material.
- the sheath ribbon 18 may be of polyester fibre, which is especially resistant to sunlight.
- Aramid fibre nylon
- Kevlar trademark
- HM-polyethylene fibres such as Dyneema (trademark), which are extreme mechanical strong fibres. The assembly of sheath ribbons in this manner can be done in a particular machine.
- Fig. 7 is a section view of a hawser 20 which has a sheathing with fairing. Some of the sheath ribbons are provided with cutted threads to form threads 29 hanging out, or nap, which are called “fairing” and which contribute to stabilize the hawser movement when pulled through the water. Fairing is used to prevent vibration in the hawser and to reduce the drag factor.
- the fairing may especially be made of "Danline” or “Dyneema” (trademarks).
- the hawser 20 may be impregnated or coated with plastic coating of a suitable material.
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Description
- The invention relates to a hawser according to the introduction of claim 1. In the following, "hawser" will be used as a common term for cordages having a diameter between 10 and 400 mm. The invention also comprises a method of manufacturing such a hawser.
- Hawsers are designed for long-lasting, large strains, especially hawsers for maritime environments, for instance when used for offshore moorings. There are high requirements to wear resistance and longevity.
- Cables with binding agent in the core (
US patent 4312260 ), sheathing braiding giving reduced inner friction (US patent 4640178 ), ropes intended to have high exterior friction (US patent 5934168 ) and ropes with an especially dense surface to prevent penetration of pollution (US patent 6099961 ) are known. None of these attempt to meet the demand for high wear resistance by improving the outer structure. - From
US patent 4,534,163 (New England Ropes, 1985), it is known to cross spoole a rope core of parallel fibres with tape. To ensure enhanced wear resistance, this spooling construction is coated with a layer of plastic. However, this is not a satisfactory solution, neither in regard to cost, nor for satisfying the need for wear resistance for demanding use. - The main object of the invention is to provide a method which yields a wear resistant hawser and to produce a longevity hawser for demanding application purposes.
- In particular, an object is to create a hawser which has an even and hard-wearing outer surface, and thus can tolerate more wearing and strain, as for instance buckling, than other known hawsers.
- Furthermore, it is an object create a hawser with a surface so dense that the penetration of contaminants, such as sand and plancton, or the risk of hooking a foreign body, as for instance fishing hooks, is considerably reduced.
- The invention is indicated in patent claim 1. This hawser has a sheathing with extreme wear resistance and resistance to penetration of foreign matter, as well as simultaneously tolerating a much smaller bending radius than hawsers with conventional plastic layers. Because of the sheathing construction, it will not burst at a small bending radius. In claim 2, a particularly preferred embodiment is indicated.
- In addition, the invention comprises a method of producing hawsers, as indicated in claim 3.
- After short period of use, the sheathing will get a hairy surface. This makes the sheathing more resistant than known hawsers to mechanical wearing and penetration of foreign matter, as for instance sand and dirt.
- A more detailed description of the invention will follow below.
- The invention will be further described with reference to the drawings, where
-
Fig. 1 is a schematic illustration of an installation for manufacturing hawsers according to the invention, -
Fig. 2 is a schematic front elevation view of the braiding machine of the installation inFig. 1 , -
Fig. 3 and 4 are side elevation views of the braid zone for two hawsers with different cores, -
Fig. 5 is a plane view of a ribbon which can be used for manufacturing a hawser according to the invention, -
Fig. 6 is an end elevation view of the ribbon inFig. 5 , while -
Fig. 7 is a side elevation view of a used hawser according to the invention, for illustration of the term "fairing". -
Fig. 1 schematic illustrates an installation 11 for manufacturing of a hawser. The installation, the principle of which is known, comprises a number of not shown spools with parallel orbraided strands 12, which may be 3-, 4-, 8- or 12-fold, and which are guided through a guide disk 13 with a hole for each strand, and further together to form ahawser core 14 at theentrance 15 of abraiding machine 16 withspools 17 ofsheath ribbons 18 which are braided as adense sheath 19 onto thecore 14. Thehawser core 14 and thesheath 19 form together thefinal hawser 20. Thefinal hawser 20 is spooled onto areel 21. - The
braiding machine 16 has a rotatablejournalled carrying disk 22, which supports a number of rotatingspool holders 23. Thespool holders 23 may be operated by gear wheels for performing a cyclic movement relative to the adjacent spools, when thebraiding machine 16 rotates. The number of spool holders and accordingly the number ofsheath ribbons 18 may vary between 4 and 32, depending on ribbon broadness and hawser diameter. -
Fig. 2 is a front elevation view of thebraiding machine 16 with thespool holders 23, which illustrates how thesheath ribbons 18 are arranged in equal numbers in each direction (left- and rightwards). This is part of prior art, and will not be further described here. - In
Fig. 3 and 4 , twohawsers 20 are shown, which are spooled with a braided core 24 (Fig. 3 ) and a parallel core 25 ("multicore") (Fig. 4 ), respectively. -
Fig. 5 is a side view of asheath ribbon 18 which is woven together with six parallel, twistedfibre parts 26. Each suchtwisted fibre part 26 is formed of a number offibres 27 and thesheath ribbon 18 is held together bytransverse inwrought threads 28. Thethreads 28 are very hard-wearing, for instance Dyneema (trademark). If thethread 28 should burst, the construction of the sheathing will prevent it to loosen. This is because ribbon crosses ribbon and mutually lock one another. Plastic material may be extruded onto the sheathing/sheath ribbon. -
Fig. 6 is an end elevation view of thesheath ribbon 18 inFig. 5 , which illustrates how the weaving influences the fibre material. - The
sheath ribbon 18 may be of polyester fibre, which is especially resistant to sunlight. Aramid fibre (nylon) may also be used, such as Kevlar (trademark), which is particularly heat-resistant. A third alternative is HM-polyethylene fibres, such as Dyneema (trademark), which are extreme mechanical strong fibres. The assembly of sheath ribbons in this manner can be done in a particular machine. -
Fig. 7 is a section view of ahawser 20 which has a sheathing with fairing. Some of the sheath ribbons are provided with cutted threads to form threads 29 hanging out, or nap, which are called "fairing" and which contribute to stabilize the hawser movement when pulled through the water. Fairing is used to prevent vibration in the hawser and to reduce the drag factor. The fairing may especially be made of "Danline" or "Dyneema" (trademarks). - By a known process, the
hawser 20 may be impregnated or coated with plastic coating of a suitable material. -
- 1. The hawser may be used with special winches where existing constructions do not have sufficient resistance to mechanical wearing.
- 2. It can be combined with "fairing". This reduces vibrations and the drag factor.
- 3. The dense sheathing prevents penetration of sand/dirt when anchoring makes the hawser lie on the sea floor.
- 4. It tolerates less bending radius than known hawsers.
- 5. In some cases, the sheathing can substitute steel eyelets because of its resistance to mechanical wearing.
- 6. Hawsers with such a sheathing have in some cases sufficient wear resistance to replace wire.
- 7. The ribbon construction gives the sheathing large resistance to mechanical wearing and to cutting by sharp objects, especially when using polyethylene fibres, such as Dyneema (trademark).
- 8. The sheathing will not open if a ribbon is cut.
- 9. The sheathing can be braided with various numbers of ribbons. The smallest number of sheath ribbons is 4.
- 10. Length and angle of the ribbon deposition can be adjusted according to application.
Claims (3)
- Hawser, especially for use with demanding and long-lasting strains at offshore installations, comprising a core of parallel or braided core strings, and a braided sheathing (19) of sheathing elements (18) characterised in that the sheathing elements are ribbons (18) of substantially parallel fibres (27) woven together with transverse threads (28).
- Hawser according to claim 1, characterised in that the transverse threads (28) are made of fibre.
- Method of manufacturing hawsers, especially for use with demanding and/or long lasting strains at offshore installations, in which a core (14) of parallel fibres or braiding strands is produced and a sheathing (19) of braided sheathing elements (18) is applied to the core, characterised in that the sheathing elements (18) are ribbons with substantially parallel fibres (27) woven together with transverse threads.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20016259A NO20016259A (en) | 2001-12-20 | 2001-12-20 | Trosse |
NO20016259 | 2001-12-20 | ||
PCT/NO2002/000486 WO2003054291A1 (en) | 2001-12-20 | 2002-12-17 | Cable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1456462A1 EP1456462A1 (en) | 2004-09-15 |
EP1456462B1 true EP1456462B1 (en) | 2008-06-11 |
Family
ID=19913175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02786259A Expired - Lifetime EP1456462B1 (en) | 2001-12-20 | 2002-12-17 | Cable |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1456462B1 (en) |
AU (1) | AU2002351522A1 (en) |
DE (1) | DE60227103D1 (en) |
NO (1) | NO20016259A (en) |
PT (1) | PT1456462E (en) |
WO (1) | WO2003054291A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4648834B2 (en) | 2003-06-16 | 2011-03-09 | 独立行政法人理化学研究所 | Fluorescent protein |
EP2112259A1 (en) | 2008-04-22 | 2009-10-28 | DSM IP Assets B.V. | Abrasion resistant fabric |
PT2456918T (en) * | 2009-07-22 | 2016-12-07 | Hampidjan Hf | Method of manufacturing a lower drag helix rope for pelagic trawls |
NO336644B1 (en) | 2011-03-29 | 2015-10-12 | Mørenot As | Sheath for an elongated body |
CN102418235A (en) * | 2011-09-06 | 2012-04-18 | 中国水产科学研究院东海水产研究所 | Method for processing fishing energy-saving mixed braided wire |
CN102409482A (en) * | 2011-09-06 | 2012-04-11 | 中国水产科学研究院东海水产研究所 | Method for preparing energy-saving consumption-reducing type core braided rope used for net |
WO2015049701A1 (en) * | 2013-10-03 | 2015-04-09 | Hampidjan Hf. | Manufacture method and apparatus for improved efficiency reduced cost rope for pelagic trawls |
NO20141103A1 (en) * | 2014-09-12 | 2016-03-14 | Offshore & Trawl Supply As | Streamlining cover in protective sheath for an elongated, load-bearing body |
CN110396840A (en) * | 2019-08-19 | 2019-11-01 | 鲁普耐特集团有限公司 | A kind of oil spilling cleaning plant of oil suction rope, preparation method and application oil suction rope |
WO2023041580A1 (en) | 2021-09-14 | 2023-03-23 | Lankhorst Euronete Portugal, S.A. | Cut resistant jacket |
EP4148181A1 (en) | 2021-09-14 | 2023-03-15 | Lankhorst Euronete Portugal, S.A. | Cut resistant jacket |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1305198A (en) * | 1969-10-24 | 1973-01-31 | ||
FR2436841A1 (en) * | 1978-09-22 | 1980-04-18 | Rhone Poulenc Textile | NEW TYPE OF ROPE, CABLE AND METHOD FOR THE PRODUCTION THEREOF |
DE3246945A1 (en) * | 1982-12-18 | 1984-06-20 | Fa. Alfred Herbert Ziller, 4230 Wesel | Safety rope |
ATE44395T1 (en) * | 1984-02-01 | 1989-07-15 | Teufelberger Gmbh | ROPE MADE OF FIBER THREADS, YARN OR STRANDS OF TEXTILE MATERIAL. |
DE29608971U1 (en) * | 1996-05-20 | 1996-08-22 | Teufelberger Ges.M.B.H., Wels | Rope for taking along and passing on paper webs in the production of paper and cardboard on paper machines |
CH692204A5 (en) * | 1997-07-17 | 2002-03-15 | Mueller Kurt | Safety mountaineering rope. |
GB2376054A (en) * | 2001-05-30 | 2002-12-04 | Steven Christopher Brandley | Machinery pull cord |
-
2001
- 2001-12-20 NO NO20016259A patent/NO20016259A/en not_active IP Right Cessation
-
2002
- 2002-12-17 AU AU2002351522A patent/AU2002351522A1/en not_active Abandoned
- 2002-12-17 DE DE60227103T patent/DE60227103D1/en not_active Expired - Lifetime
- 2002-12-17 PT PT02786259T patent/PT1456462E/en unknown
- 2002-12-17 EP EP02786259A patent/EP1456462B1/en not_active Expired - Lifetime
- 2002-12-17 WO PCT/NO2002/000486 patent/WO2003054291A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO2003054291A1 (en) | 2003-07-03 |
PT1456462E (en) | 2008-08-05 |
DE60227103D1 (en) | 2008-07-24 |
AU2002351522A1 (en) | 2003-07-09 |
NO20016259D0 (en) | 2001-12-20 |
NO314459B1 (en) | 2003-03-24 |
NO20016259A (en) | 2003-03-24 |
EP1456462A1 (en) | 2004-09-15 |
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