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EP3068685B1 - Seilführung für ein verankerungselement - Google Patents

Seilführung für ein verankerungselement Download PDF

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Publication number
EP3068685B1
EP3068685B1 EP14798811.7A EP14798811A EP3068685B1 EP 3068685 B1 EP3068685 B1 EP 3068685B1 EP 14798811 A EP14798811 A EP 14798811A EP 3068685 B1 EP3068685 B1 EP 3068685B1
Authority
EP
European Patent Office
Prior art keywords
guide
blocking
fairlead
anchoring
anchoring element
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
EP14798811.7A
Other languages
English (en)
French (fr)
Other versions
EP3068685A1 (de
Inventor
Arnaud TROUVE
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.)
Naval Energies SAS
Original Assignee
Naval Group SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Naval Group SA filed Critical Naval Group SA
Priority to PL14798811T priority Critical patent/PL3068685T3/pl
Publication of EP3068685A1 publication Critical patent/EP3068685A1/de
Application granted granted Critical
Publication of EP3068685B1 publication Critical patent/EP3068685B1/de
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/04—Fastening or guiding equipment for chains, ropes, hawsers, or the like
    • B63B21/10—Fairleads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/18—Stoppers for anchor chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers

Definitions

  • the present invention relates to a fairlead for guiding an anchoring element.
  • it finds application in permanent anchor devices with an integrated chain stopper, in areas such as marine, offshore and marine renewable energies.
  • immersed anchor devices of the submerged fairlead type with integrated chain stopper, requires taking into account the forces experienced by the anchor line at the level of the apparatus, the behavior of the anchor line at the interface with the device and the ease of installation of the anchor line.
  • Permanent long-term anchorages are common to offshore sectors, with Floating Production Storage and Offloading (FPSO) and Floating Storage Regazification Units (FSRUs) as potential stay several decades on their production site.
  • FPSO Floating Production Storage and Offloading
  • FSRU Floating Storage Regazification Units
  • Offshore structures such as floating production supports, construction or drilling platforms, loading and unloading buoys, and recently the floating platforms of EMRs (offshore wind turbines, thermal energy of the seas, etc 7) are anchored on a desired site by means of anchor lines consisting of chains and / or cables connecting them to the anchoring points with the seabed.
  • chains connected to the anchor points are used, going up to the floating unit via fairleads serving as chain entry guides.
  • chain traction systems winches, windlasses .
  • chain restraining systems chain stoppers
  • anchored platforms require the use of numerous chains, anchors, anchors and additional equipment.
  • the anchoring devices are placed outside the deck, for example in hull planks, whether in an emergent or submerged manner.
  • anchor lines are pre-installed and connected to the anchor points. Then messenger lines are passed, from the deck of the floating unit, in the fairleads, termination connectors connecting these messenger lines to the anchor lines.
  • the anchor lines are then energized to the pre-tension required for anchoring, and the chain stops are activated to maintain the anchor lines in their configuration.
  • anchor chains are continuously working under the stresses induced by wind, swell, tides and currents.
  • the movements produced on the anchor chains accelerate fatigue breakage of the chains if curved guide guns or small radius sprockets are used. This is why anchor gear is usually designed with curved guides or large radius sprockets.
  • Anchoring equipment of this type is known, such as that described in FIG. US 4,742,993 .
  • This is a curved guide fairlead for anchor cables that can rotate freely around a vertical axis connected to the floating unit.
  • the device is designed for cables, and therefore does not include a chain stopper immersed.
  • the system uses a tubular body connected to a separate hinged assembly, and does not allow passing of the messenger line cable, chain, Kenter meshes and special connectors, as is usually required as part of the installation. anchor lines.
  • the foundations attaching the system to the floating support have a vertical axis pivotal connection with a first moving body.
  • This body serves as guidance to the anchor chain via the use of a sprocket or curved guide directly integrated.
  • An arm having at its end (anchor point side) the chain stopper is connected to the pivoting body via a horizontal axis pivotable connection allowing the final to accommodate changes in azimuth angles and elevation of the line. anchor.
  • the stopper is fixed which induces that any twist or torsion is taken over the next mesh of that maintained in the stopper. In the case of an extreme twist, this can be particularly detrimental to the fatigue strength of the anchor chain.
  • the loads and stresses that weigh on the anchoring lines at the level of the floating support are of different natures: corrosion and wear phenomena, impacts, fatigue in flexion (mainly out-of-plane bending), high tensions, phenomenon of spin / twist lines.
  • the known systems generally respond to the problem of fatigue in flexion out of the plane, but none solves the problem of spin / torsion of the anchor line.
  • the chain behaves non-linearly, which disrupts its normal operation.
  • the mesh undergoing this spin has its fatigue life drop very sharply.
  • One of the aims of the invention is therefore to solve the aforementioned problems, by proposing an anchor type anchor-type embedded chain stopper integrated which solves the problem of spin / torsion of the anchor line at the interface with the anchor.
  • the subject of the invention is a guide fairlead of an anchoring element having a longitudinal axis and allowing the anchoring of a unit, such as a floating unit, to an anchor point, said fairlead comprising guide means adapted to guide the anchoring element in translation between the unit and the anchor point, and locking means adapted to block the translation of the anchoring element in the guide means.
  • the locking means are mounted on the guide means at least partially free in rotation about an axis parallel to the longitudinal axis of the anchoring element when it is guided in the guide means.
  • the solution proposed by the invention secures the fatigue strength of the chain, reducing the strong degradation that occurs in the case of an extreme twist between two meshes, thanks to the torsional flexibility of the chain stopper system, also called locking means, over a defined angle range.
  • the fairlead shown figures 1 and 4a firstly comprises a fixing interface 6 intended to interface with the floating unit.
  • this fixing interface 6 generally called foundations 6, incorporate a vertically oriented axis of rotation.
  • a guide support 7 pivoting about this axis is mounted between the two foundations 6.
  • This guide support 7 constitutes a passage zone of the anchoring element C, not shown on FIG. figure 1 but represented on the Figure 4A in the form of an anchor chain C.
  • the guide support 7 supports a guide 8, 9 which at least partially defines a first passage for the anchoring element C.
  • the fixing interface assembly 6, guiding support 7 and guide 8, 9 constitutes a first guide assembly 1 which makes it possible to guide the anchoring element C in a first direction.
  • this first guide direction is generally substantially vertical.
  • a guide arm 2 extended by a guide cone 4 intended to facilitate the entry of the anchoring element C into the guide arm 2, forms a second guide assembly 2, 4.
  • the guide arm 2 is pivotally mounted on the first guide assembly 1 via an axis of rotation 2a, preferably perpendicular to the axis of pivoting of the guide support 7 of the first guide assembly 1.
  • the pivot axis of the guide support 7 of the first set 1 being generally substantially vertical, the axis 2a is substantially horizontal.
  • the second guide assembly 2, 4 is intended to guide the anchoring element C in a second direction which forms a non-zero angle with the first guide direction.
  • This second guide assembly 2, 4, and in particular the arm 2 allows the system to accommodate variations in elevation angles of the anchoring element C which is an anchor chain C in this example.
  • This anchor chain C passes into the arm 2 via the guide cone 4 and via locking means not shown on the figures 1 and 4a , before going back to the first guide assembly 1.
  • Transition means 3 are provided for guiding the anchoring element C at the transition between the first and second guide directions, therefore between the first guide assembly 1 and the second guide assembly 2, 4.
  • transition means comprise a gypsy type element 3, provided with a groove in addition to its footprints.
  • This gypsy 3 is mounted free to rotate about an axis 8a formed in a portion 8 of the guide 8, 9 pivoting from the first guide assembly 1.
  • transition means is the integration within the guide 8, 9 pivoting a curved guide, which is then formed in, or housed in this guide 8, 9 pivoting.
  • Such a curved guide is comparable to a guide rail integrated in the guide 8, 9 pivoting, with a given operating radius.
  • the first guide assembly 1, the second guide assembly 2, 4 and the transition means 3 thus constitute guide means 1 to 4, which make it possible to guide the anchoring element C in translation between the unit we want to anchor and anchor.
  • Locking means 5 visible on the figures 1 and 4b but shown in more detail in an example on Figures 2a and 2b , are mounted on the guide means 1 to 4, with a certain degree of freedom in rotation about an axis parallel to the longitudinal axis of the anchoring element C.
  • blocking means 5 also called chain stopper 5 in the case where the anchoring element C is an anchor chain C, are preferably mounted at the end of the arm 2 of the second set of 2, 4, substantially opposite the pivot axis 2a of the arm 2 relative to the guide 8, 9 of the first guide assembly 1.
  • the locking means 5 comprise a pivoting support 12, 19.
  • This pivoting support 12, 19 comprises a support element 12 provided with a ring 19, visible only on the figure 2b .
  • This ring 19 is pivotally mounted against a support ring 10 disposed in the guide means 1 to 4.
  • the support ring 10 is disposed at the end of the arm 2 of the second guide assembly 2, 4, as shown in FIG. figure 3a .
  • the locking means 5 can pivot on the arm 2, thanks to the cooperation between the ring 19 and the support ring 10.
  • the locking means 5 comprise second rotation limiting means 13a to 13d which cooperate with first rotation limiting means 15a to 15d disposed in the guide means 1 to 4.
  • the first rotation limiting means 15a to 15d comprise circular grooves 15a to 15d centered on the axis of rotation of the ring 19 with respect to the bearing ring 10, thus centered on the rotation axis of the locking means 5.
  • the second rotation limiting means 13a to 13d comprise elements 13a to 13d, such as pins 13a to 13d, which are each guided in rotation in the circular grooves 15a to 15d.
  • the rotation as the assembly of the locking means 5 relative to the arm 2 can be obtained with a single circular groove 15a to 15d cooperating with a single stud-type element 13a to 13d.
  • the locking means 5 comprise two locking elements 11a, 11b, of the type of valves 11a, 11b pivotally mounted on the support 12.
  • these locking elements 11a, 11b pivot on the support 12 between a locking position in which the anchoring element C is locked in translation. in the guide means 1 to 4, and a non-locking position in which the anchoring element C is free in translation in these guide means 1 to 4.
  • valves 11a and 11b stop the anchoring element C which passes through an opening 20 in the support 12, thus blocking its translation.
  • these valves 11a and 11b pivot away from the support 12, which has the effect of releasing the anchoring element C.
  • the shape of the opening 20 in the support 12, and the valves 11a, 11b, depends on the nature of the anchoring element C.
  • the anchoring element C is a chain C consisting of several links, and the opening 20 has a shape adapted to the passage of each link of the chain C.
  • the Valves 11a, 11b are adapted to lock the chain C between two of its links in the locking position.
  • a single valve-type locking element is used (not referenced) for the blocking means 5.
  • the single valve comes to stop the anchoring element C against the edge of a opening formed in the support 12, thus blocking its translation.
  • the single valve pivots away from the support 12, thus releasing the anchoring element C.
  • the blocking means 5 or stopper 5 are allowed to pivot about the longitudinal axis of the anchor line, at the end of the second guide assembly 2, 4, in a predefined angular range.
  • the allowed angular range is defined by the dimension of the studs 13a to 13d and the length of the grooves 15a to 15d.
  • Remote actuating means are provided on the blocking means 5, in order to enable activation or deactivation of the locking in translation of the anchoring element C in the guide means 1 to 4.
  • a first example of actuating means 14a, 14b is shown on the Figures 2a and 2b .
  • They may be actuators of the hydraulic or electric cylinder type 14a, 14b. We will then use an actuator 14a, 14b of this type by locking element 11a, 11b.
  • each actuator 14a, 14b is connected to the support 12, rotating about an axis parallel to the main plane of the support member 12, and opposite the pivot axis of the element of blocking 11a, 11b associated with the free end of this locking element 11a, 11b.
  • the other end of each actuator 14a, 14b is connected to the locking element 11a, 11b associated, in rotation about an axis parallel to the axis of pivoting of the locking element 11a, 11b relative to the support piece 12.
  • connection point of each actuator 14a, 14b to the associated blocking element 11a, 11b is sufficiently raised relative to the point of connection of this actuator 14a, 14b with the support 12, and sufficiently far from the pivot axis of this blocking element 11a, 11b relative to the support 12, so that the deployment of each actuator 14a, 14b effectively causes the pivoting of the locking element 11a, 11b associated with the locking position to the unlocking position.
  • the actuating means may also be mechanical actuating means 16a, 16b, 17a, 17b, 18a, 18b allowing the passage of the locking element or elements 11a, 11b from the blocking position to the non-locking position, and reciprocally.
  • FIG. 1 An example of such mechanical means is represented in part by figure 1 as well as Figure 4a and 4b .
  • the principle of such mechanical means consists in particular in providing the entire system with cables and accessories for returning to enable remote actuation of the locking elements 11a, 11b.
  • the guide means 1 to 4 are provided with rings 18a, 18b for guiding cables 16a, 16b along the guide means 1 to 4.
  • rings 18a, 18b can be arranged for example on the arm 2 of the second guide assembly 2, 4.
  • Each cable 16a, 16b is fixed on a locking element 11a, 11b, for example by means of rings 17a, 17b.
  • the fairlead according to the invention thus makes it possible to substantially reduce the forces due to torsion on the part of the anchoring element C which is held at the level of the blocking means 5.
  • This fairlead allows a rotation of the anchoring element C around its longitudinal axis over a defined range of angles. This relative freedom in rotation reduces all the problems on the units for which the anchor line may have twisted.
  • This fairlead thus improves the behavior of the anchor line C, reduces the stresses on the holding portion of the anchor line C, such as the holding mesh of an anchor chain C, and facilitates the installation of the anchor line C when connecting this anchor line C to a unit such as a floating unit.
  • the invention is not limited to the exclusive use of two locking elements 11a, 11b in the locking means, a single element, as shown in FIG. figure 4b , or more than two, may also be suitable.
  • the invention is not limited to means for limiting the rotation of the locking means 5 relative to the guide means 1 to 4, which consist in the cooperation between circular grooves 15a to 15d with studs 13a to 13d. .
  • Other solutions are possible to obtain this limitation.
  • the invention is not limited to the exclusive use of a gypsy type transition means 3.
  • a curved guide type transition means (not shown) which is formed in, or housed in the pivotable guide 8, 9 may also be suitable.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Bridges Or Land Bridges (AREA)
  • Piles And Underground Anchors (AREA)
  • Pivots And Pivotal Connections (AREA)

Claims (14)

  1. Durchführung zum Führen eines Verankerungselements (C), das eine Längsachse aufweist und das Verankern einer Einheit, zum Beispiel einer schwimmenden Einheit, an einem Verankerungspunkt ermöglicht, wobei die Durchführung aufweist: Führungsmittel (1 bis 4), die in der Lage sind, das Verankerungselement (C) in Translation zwischen der Einheit und dem Verankerungspunkt zu führen, und Blockiermittel (5), die in der Lage sind, die Translation des Verankerungselements (C) in den Führungsmitteln (1 bis 4) zu blockieren,
    dadurch gekennzeichnet, dass die Blockiermittel (5) an den Führungsmitteln (1 bis 4) zumindest teilweise frei um eine zu der Längsachse des Verankerungselements (C) parallelen Achse drehend gelagert sind, wenn dieses in den Führungsmitteln (1 bis 4) geführt ist.
  2. Durchführung gemäß Anspruch 1, dadurch gekennzeichnet, dass
    - die Führungsmittel (1 bis 4) einen Stützring (10) und erste Drehbegrenzungsmittel (15a bis 15d) aufweisen,
    - und dass die Blockiermittel (5) eine schwenkbare Stütze (12, 19) aufweisen, die gegen den Stützring (10) schwenkbar gelagert ist und mit zweiten Drehbegrenzungsmitteln (13a bis 13d) versehen ist, die in der Lage sind, mit den ersten Drehbegrenzungsmitteln (15a bis 15d) zusammenzuwirken, um die Drehung der Blockiermittel (5) zu begrenzen.
  3. Durchführung gemäß Anspruch 2, dadurch gekennzeichnet, dass die ersten Drehbegrenzungsmittel (15a bis 15d) mindestens eine kreisförmige Auskehlung (15a bis 15d) aufweisen, die mindestens einen Kreisbogen ausbildet, der auf der Rotationsachse der Blockiermittel (5) zentriert ist, und dass die zweiten Drehbegrenzungsmittel (13a bis 13d) mindestens ein Element (13a bis 13d) aufweisen, das in der Lage ist, in der kreisförmigen Auskehlung (15a bis 15d) geführt zu sein.
  4. Durchführung gemäß irgendeinem der Ansprüche 2 und 3, dadurch gekennzeichnet, dass die Blockiermittel (5) mindestens ein Blockierelement (11a, 11b) des Klappentyps aufweisen, das an der Stütze (12) zwischen einer ersten Blockierposition, in der das Blockierelement (11a, 11b) in der Lage ist, das Verankerungselement (C) in Translation in den Führungsmitteln (1 bis 4) zu blockieren, und einer zweiten Position ohne Blockierung, in der das Blockierelement (11a, 11b) das Verankerungselement (C) in den Führungsmitteln (1 bis 4) frei in Translation lässt, schwenkbar montiert ist.
  5. Durchführung gemäß Anspruch 4, dadurch gekennzeichnet, dass das oder die Blockierelemente (11a, 11b) mit mechanischen (16a, 16b, 17a, 17b, 18a, 18b), hydraulischen (14a, 14b) oder elektrischen (14a, 14b) Betätigungsmitteln (14a, 14b, 16a, 16b, 17a, 17b, 18a, 18b) versehen sind, die das Passieren dieser Blockierelemente (11a, 11b) aus der Blockierposition in die Position ohne Blockierung und umgekehrt ermöglichen.
  6. Durchführung gemäß Anspruch 5, dadurch gekennzeichnet, dass die Betätigungsmittel (14a, 14b) mindestens ein Element des Zylindertyps aufweisen, dessen eines Ende mit der Stütze (12) verbunden ist und dessen anderes Ende mit dem Blockierelement (11a, 11b) verbunden ist, so dass das Anwenden der Betätigungsmittel (14a, 14b) das Schwenken der Blockierelemente (11a, 11b) aus der Blockierposition in Richtung zu der Position ohne Blockierung bewirkt.
  7. Durchführung gemäß Anspruch 5, dadurch gekennzeichnet, dass die Betätigungsmittel (16a, 16b, 17a, 17b, 18a, 18b) mindestens ein Kabel (16a, 16b) aufweisen, das zum Beispiel mittels eines Elements des Ringtyps (17a, 17b) am Blockierelement (11a, 11b) befestigt ist, so dass ein Zug am Kabel (16a, 16b) das Schwenken des Blockierelements (11a, 11b) aus der Blockierposition in Richtung zu der Position ohne Blockierung bewirkt.
  8. Durchführung gemäß irgendeinem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Führungsmittel (1 bis 4) aufweisen: eine erste Führungsbaugruppe (1), die vorgesehen ist, um das Verankerungselement (C) entlang einer ersten Richtung zu führen, und die eine Befestigungsschnittstelle (6) aufweist, die das Befestigen der Durchführung an der Einheit ermöglicht, und eine zweite Führungsbaugruppe (2, 4), die bezüglich der ersten Führungsbaugruppe (1) um eine Achse (2a) schwenkbar gelagert ist und vorgesehen ist, um das Verankerungselement (C) in einer zweiten Richtung zu führen, die relativ zu der ersten Richtung einen Winkel ausbildet, der nicht Null ist, und dass die Blockiermittel (5) an der zweiten Führungsbaugruppe (2, 4) montiert sind.
  9. Durchführung gemäß Anspruch 8, dadurch gekennzeichnet, dass die erste Führungsbaugruppe (1) aufweist: eine Führungsstütze (7), die um eine zu der ersten Richtung parallele Achse relativ zu der Befestigungsschnittstelle (6) frei drehend montiert ist, und eine Führung (8, 9), die zumindest teilweise einen Durchgang für das Verankerungselement (C) definiert.
  10. Durchführung gemäß Anspruch 9, dadurch gekennzeichnet, dass die Schwenkachse (2a) der zweiten Führungsbaugruppe (2, 4) bezüglich der ersten Führungsbaugruppe (1) in einem ersten Teil (9) der Führung (8, 9) und im Wesentlichen den Blockiermitteln (5) entgegengesetzt ausgebildet ist.
  11. Durchführung gemäß irgendeinem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass die Führungsmittel (1 bis 4) Übergangsmittel (3) aufweisen, die das Führen des Verankerungselements (C) beim Übergang zwischen der ersten und der zweiten Führungsrichtung ermöglichen.
  12. Durchführung gemäß Anspruch 11, dadurch gekennzeichnet, dass die Übergangsmittel (3) ein Element des Kettenradtyps (3) aufweisen, das um eine in einem zweiten Teil (8) der Führung (8, 9) ausgebildete Achse (8a) frei drehbar gelagert ist.
  13. Durchführung gemäß Anspruch 11, dadurch gekennzeichnet, dass die Übergangsmittel (3) ein Element des Typs einer gekrümmten Führung aufweisen, das in der Führung (8, 9) ausgebildet oder aufgenommen ist.
  14. Durchführung gemäß irgendeinem der Ansprüche 8 bis 13, dadurch gekennzeichnet, dass die Führungsmittel (1 bis 4) einen Führungskonus (4) aufweisen, der vorgesehen ist, um das Eintreten des Verankerungselements (C) in die zweite Führungsbaugruppe (2, 4) zu erleichtern.
EP14798811.7A 2013-11-15 2014-11-12 Seilführung für ein verankerungselement Active EP3068685B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14798811T PL3068685T3 (pl) 2013-11-15 2014-11-12 Przewłoka prowadząca elementu kotwicznego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1361239A FR3013312B1 (fr) 2013-11-15 2013-11-15 Chaumard de guidage d'un element d'ancrage
PCT/EP2014/074386 WO2015071318A1 (fr) 2013-11-15 2014-11-12 Chaumard de guidage d'un élément d'ancrage

Publications (2)

Publication Number Publication Date
EP3068685A1 EP3068685A1 (de) 2016-09-21
EP3068685B1 true EP3068685B1 (de) 2018-01-03

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US (1) US9975606B2 (de)
EP (1) EP3068685B1 (de)
JP (1) JP6560209B2 (de)
KR (1) KR102155228B1 (de)
DK (1) DK3068685T3 (de)
FR (1) FR3013312B1 (de)
NO (1) NO3068685T3 (de)
PL (1) PL3068685T3 (de)
WO (1) WO2015071318A1 (de)

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FR3013312B1 (fr) * 2013-11-15 2016-01-08 Dcns Chaumard de guidage d'un element d'ancrage
WO2015199611A1 (en) * 2014-06-27 2015-12-30 Promor Pte Ltd A method of supporting a chain stopper on a vessel, a chain stopper assembly for a vessel, and a vessel
FR3026085B1 (fr) * 2014-09-19 2018-01-12 Nov-Blm Chaumard destine a cooperer avec une chaine d'ancrage, pour un systeme d'ancrage au sol d'une installation flottante
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KR20160084396A (ko) 2016-07-13
JP6560209B2 (ja) 2019-08-14
FR3013312B1 (fr) 2016-01-08
FR3013312A1 (fr) 2015-05-22
EP3068685A1 (de) 2016-09-21
WO2015071318A1 (fr) 2015-05-21
US20160280333A1 (en) 2016-09-29
KR102155228B1 (ko) 2020-09-11
JP2016537251A (ja) 2016-12-01
DK3068685T3 (en) 2018-03-26
US9975606B2 (en) 2018-05-22
PL3068685T3 (pl) 2019-07-31
NO3068685T3 (de) 2018-06-02

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