EP2429933B1 - Device for handling of rope and use thereof - Google Patents
Device for handling of rope and use thereof Download PDFInfo
- Publication number
- EP2429933B1 EP2429933B1 EP10753749.0A EP10753749A EP2429933B1 EP 2429933 B1 EP2429933 B1 EP 2429933B1 EP 10753749 A EP10753749 A EP 10753749A EP 2429933 B1 EP2429933 B1 EP 2429933B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hawser
- guiding
- discs
- disc
- drum
- 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
Links
- 238000000034 method Methods 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010073 coating (rubber) Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/74—Capstans
- B66D1/7405—Capstans having two or more drums providing tractive force
- B66D1/741—Capstans having two or more drums providing tractive force and having rope storing means
Definitions
- the present invention relates to a method for coiling a slack hawser onto a winch drum, where the hawser is conducted through a braking body that provides a firm and approximately constant tightening of the hawser, in order to prevent the hawser from sinking down between the layers on the storage drum when handling of load, as can be seen in the introduction of the subsequent claim 1.
- a slack hawser such as a fibrous hawser
- the solution according to the invention is intended for use on board anchor handling vessels, but can also be used in other applications.
- synthetic hawsers are often used as anchor lines for floating offshore installations.
- the manufacturers of hawsers supply the hawsers loosely wound onto storage drums.
- the hawsers are normally spooled over onto the winches of the vessel at an offshore base.
- the hawser So that the hawser can be made slack out from the winch on the anchor handling vessel with a load, the hawser must initially be tightly coiled.
- the hawser As the hawser is coiled loosely on the storage drums, it is initially spooled loosely onto the winches of a ship. This is because the hawser will sink down between the layers on the storage drum if the tension is too great, something which can lead to the hawser becoming damaged. Thereafter, the end of the hawser is fastened ashore and the hawser is spooled off as the ship moves away from the shore. When the whole of the hawser is spooled off, it is wound up with such force that it lies compact and tight on the drum. This known solution outlined here is consequently a time demanding and costly procedure.
- the method of the present invention is characterized in that the hawser is conducted in loops of a number of hawser guiding discs of the braking body one or more of said discs including braking means that give a tightening creating moment on the discs and tightens the hawser, each said hawser guiding disc having a V- or U-shaped guiding groove geometry with a friction coating of a smooth surface structure and minimum roughness to provide a high friction between the hawser and the guiding grooves of the discs.
- the hawser makes direct contact with about 270° of the circumference groove of one of the hawser guiding discs.
- each hawser guiding disc includes a friction coating of rubber, a rubberised material or a plastic material.
- the hawser is conducted through a first guiding wheel to guide the hawser part in a correct path in towards the hawser guiding discs of the braking unit and a second guiding wheel to lead a taut hawser part from the hawser tightening unit and further onto the winch drum.
- a brake body comprises a hydraulic motor, an electro motor or is made from a disc brake or other brake unit.
- the method is for handling of anchor hawsers that are loosely coiled onto a storage drum from the supplier, with the hawser from the storage drum being transferred into a very taut state by being coiled onto a winch drum with such a force that it lies compact and taut onto the drum.
- the method is for tightening of wires, fibrous hawsers and the like on a winch drum in connection with cranes.
- the hawser can be coiled directly from storage drums and onto the winch of a ship with the correct tightening. This can be carried out as shown in the enclosed figures and the subsequent description.
- a drum in a winch system is shown with the reference number 10 with a drum 11 for winding up of a hawser 12, for example, a slack hawser that is rolled off a storage drum and shall be coiled on a winch.
- the drum 11 is placed on a foundation 13 and comprises a motor for the winding on and off (not shown) of the hawser 12.
- the hawser runs as a non-tightened hawser 12a, according to a preferred embodiment, across a guiding disc 16 that directs it up to a tightening arrangement 20 before it runs on as a hawser stretch 12b with a higher tightening level in towards the drum 11 where it is coiled.
- the drum 11 with the motor are fixed constructions on the installation where they are used.
- the hawser is preferably a fibrous hawser, such as one built up from polyester fibres and/or Kevlar fibres (non-limiting examples).
- the guiding pulley 16 comprises an upper 16a and a lower 16b guiding wheel that are pulleys which roll freely on a permanent shaft 18.
- the incoming, "slack" hawser part 12a (with a lower tightening level) is led in round the upper guiding pulley 16a and up to, and through, the hawser tightening unit 20, while the taut hawser part 12b runs across the lower guiding pulley 16 and on to the winch drum 11.
- the guiding pulleys 16 can be used to guide the direction one wishes the hawser parts 12a,12b to have during the tightening and coiling process.
- the hawser 12 does not necessarily need to be led into the tightening body via the described guiding pulleys 16a and 16b. It can also be led directly into the tightening device 20 i.e., as in the example where the hawser part 12a (with lower tightening) is led directly into the disc 22 and further out from the disc 21 as the taut hawser part 12b and directly onto the drum.
- the two pulleys 16a and 16b shown do not need to be placed across from each other as the figure shows, but can be placed individually at different places in the area.
- the tightening unit 20 according to the invention.
- the aim is to coil the hawser onto the drum with such tightening that the hawser coils in the spirals from the inner layer outwards shall not bury themselves down between the hawser parts that lies underneath.
- the hawser tightening unit 20 comprises three discs 21, 22, 23 that rotate in the same plane in the given example.
- the hawser part 12a which initially has a lower tightening level from the disc 16, runs initially
- the discs 21,22,23 are mutually placed, as shown in figure 2 , so that the hawser-loop round the discs form said tightened hawser part 12b in toward the winch.
- the third disc 23 is placed so that the hawser defines, for example, a U-shaped loop 24 at the exiting hawser from the first disc 21, around the second disc 23 and onto the third disc 22.
- the disc groove 30 where the hawser is placed has a V or a U shaped cross section.
- the V-shape is particularly preferred, as the figures 3 to 5 show.
- the groove surfaces are preferably covered by a rubber coating (with a ring-disc shape), with a suitable hardness. (a hard rubber type), and which can have a thickness of the order of 1-2 cm, in particular 1 cm, a thickness that can be varied, depending on the dimensions of the hawser and winch system.
- the coating can be from other suitable materials, such as plastic, as long as they have the above mentioned preferred characteristics with regard to high friction and a smooth surface.
- the V-shaped groove surfaces of the discs 21,22,23 are, as shown in figure 5 , covered by a coating 38 of a material that gives the highest possible friction against the gliding at the same time as it has the smoothest surface possible so that a gentle contact between the natural fibres of the hawser and the surface is made if it should slip in the groove.
- the coating is preferably from rubber or a rubberised material with a suitable hardness, and particularly with a relatively smooth surface structure with minimum roughness.
- the surfaces of the disc groove form an angle ⁇ with each other, and in a typical case an angle of 60°.
- One or more of the discs 21,22,23 comprises a braking body 40 or a hawser tightening unit, as shown in figure 4 , and which can provide a tightening creating moment on the discs when the winch 10 works and coils the hawser.
- the braking body can comprise a hydraulic motor, an electro motor, or is made from a disc brake or other brake unit.
- the hawser tightening unit 40 preferably comprises a motor 36 with a gear 34, and which can be operated as a braking body.
- the motor 36 can be driven so that the unit 20 can be used to pull in a hawser 12.
- all the three discs 21,22,23 can be connected to their own motor unit 40.
- hawser 12b is placed in the pulley groove 30 of the disc 21.
- the pulley is fitted in a shaft (not shown) that is driven by the motor 36.
- the disc 21 is composed of two disc halves and the groove forming surfaces are coated with a suitable material, such as rubber.
- a fitting bracket with reference number 32 is indicated, that is used for the fitting of the tightening unit 40 in connection with a deck construction, for example, so that the gear 34 and motor 36 are placed below the deck of the vessel with only the disc lying above the deck level where the hawsers are handled.
- the construction can, of course, be placed anywhere and in any desirable position.
- the construction according to the invention with the motor-driven guiding discs can also be driven to pull hawsers across the discs, for example, when the hawser shall be pulled off the drum 11.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Unwinding Of Filamentary Materials (AREA)
- Ropes Or Cables (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Pulleys (AREA)
Description
- The present invention relates to a method for coiling a slack hawser onto a winch drum, where the hawser is conducted through a braking body that provides a firm and approximately constant tightening of the hawser, in order to prevent the hawser from sinking down between the layers on the storage drum when handling of load, as can be seen in the introduction of the subsequent claim 1.
- More specifically, it is an aim of the invention to be able to tighten a slack hawser, such as a fibrous hawser, so that it can be wound tightly onto a drum.
- The solution according to the invention is intended for use on board anchor handling vessels, but can also be used in other applications. At deep waters, synthetic hawsers are often used as anchor lines for floating offshore installations. The manufacturers of hawsers supply the hawsers loosely wound onto storage drums. The hawsers are normally spooled over onto the winches of the vessel at an offshore base.
- So that the hawser can be made slack out from the winch on the anchor handling vessel with a load, the hawser must initially be tightly coiled.
- As the hawser is coiled loosely on the storage drums, it is initially spooled loosely onto the winches of a ship. This is because the hawser will sink down between the layers on the storage drum if the tension is too great, something which can lead to the hawser becoming damaged. Thereafter, the end of the hawser is fastened ashore and the hawser is spooled off as the ship moves away from the shore. When the whole of the hawser is spooled off, it is wound up with such force that it lies compact and tight on the drum. This known solution outlined here is consequently a time demanding and costly procedure.
- With regard to prior art reference shall be made to the British patent
GB 2.311.269 A1 - In the US patent
US 4,285,502 , a disc device controlled by hydraulic cylinders is described, which is intended to hold a steel rope taut, and which can simply release the rope when the device is not to be used. With this embodiment one achieves a pre-tightening of the steel rope with the help of a set of hydraulic cylinders coupled to discs that exert pressure in a sidewise direction against the steel rope. This deviates considerably from the present construction as will become apparent in the following. - A reference is also made to the prior art patent document
CH-673 274 - It is an aim of the invention to provide a method for a winch system with a drum for coiling of a hawser such that the hawser is rolled onto the drum with a smoother and stronger tightening.
- In particular, it is an aim of the invention to provide a new method that can increase the level of tightening on a hawser from a lower tightening level to a higher tightening level.
- Thereby, it is also an aim of the invention to provide a solution which can utilise the capacity of the drum in a better way, and that the coiling is smoother than what is normal for today's solutions.
- Furthermore, it is a main aim of the invention to provide a method which is particularly suited to handling of fibrous ropes or fibrous hawsers that shall be coiled, or spooled onto a drum.
- It is a further aim of the invention to provide a solution where the surface of the disc groove creates the highest possible friction against the fibrous hawser, at the same time as one shall get the smallest wear damage on the hawser if such gliding occurs.
- Thus, one wants to avoid disc grooves with a coating with a coarse or rough surface. If a gliding and subsequent wear do occur, it is less damaging that the contact coating (the rubber disc) is worn than that the hawser is worn.
- The method of the present invention is characterized in that the hawser is conducted in loops of a number of hawser guiding discs of the braking body one or more of said discs including braking means that give a tightening creating moment on the discs and tightens the hawser, each said hawser guiding disc having a V- or U-shaped guiding groove geometry with a friction coating of a smooth surface structure and minimum roughness to provide a high friction between the hawser and the guiding grooves of the discs.
- According to a preferred embodiment use is made of three hawser guiding discs mutually set up so that the hawser runs in a loop across discs said hawser encircling each disc to a large degree in direct contact with the disc groove
- According to another preferred embodiment the hawser makes direct contact with about 270° of the circumference groove of one of the hawser guiding discs.
- According to yet another preferred embodiment the groove of each hawser guiding disc includes a friction coating of rubber, a rubberised material or a plastic material.
- According to a further preferred embodiment the hawser is conducted through a first guiding wheel to guide the hawser part in a correct path in towards the hawser guiding discs of the braking unit and a second guiding wheel to lead a taut hawser part from the hawser tightening unit and further onto the winch drum.
- According to yet another preferred embodiment use is made of a brake body comprises a hydraulic motor, an electro motor or is made from a disc brake or other brake unit.
- Preferably the method is for handling of anchor hawsers that are loosely coiled onto a storage drum from the supplier, with the hawser from the storage drum being transferred into a very taut state by being coiled onto a winch drum with such a force that it lies compact and taut onto the drum.
- Further the method is for tightening of wires, fibrous hawsers and the like on a winch drum in connection with cranes.
- Consequently, with this invention one has achieved that the hawser can be coiled directly from storage drums and onto the winch of a ship with the correct tightening. This can be carried out as shown in the enclosed figures and the subsequent description.
- With the present invention a solution is provided where two or more guiding discs with individual brakes are used. One avoids the problem of axial movement along a drum, as is the case with the construction according to the above mentioned British patent
GB 2.311.269 - The invention shall be explained in more detail with reference to the enclosed figures in which:
-
Figure 1 shows an example of a preferred embodiment of the device according to the invention. -
Figure 2 shows a detail in the guiding of the hawser through the hawser tightening unit according to the invention. -
Figure 3 shows a side section of a hawser tightening unit with a guiding disc according to the invention. -
Figure 4 shows a side section of the guiding disc. -
Figure 5 illustrates the disc composed of two halves and the coating of a suitable material, such as rubber. - In
figure 1 a drum in a winch system is shown with thereference number 10 with adrum 11 for winding up of a hawser 12, for example, a slack hawser that is rolled off a storage drum and shall be coiled on a winch. Thedrum 11 is placed on afoundation 13 and comprises a motor for the winding on and off (not shown) of the hawser 12. Up to thewinch 10, the hawser runs as anon-tightened hawser 12a, according to a preferred embodiment, across a guidingdisc 16 that directs it up to a tighteningarrangement 20 before it runs on as ahawser stretch 12b with a higher tightening level in towards thedrum 11 where it is coiled. Thedrum 11 with the motor are fixed constructions on the installation where they are used. The hawser is preferably a fibrous hawser, such as one built up from polyester fibres and/or Kevlar fibres (non-limiting examples). - The guiding
pulley 16 comprises an upper 16a and a lower 16b guiding wheel that are pulleys which roll freely on apermanent shaft 18. In this example, the incoming, "slack" hawserpart 12a (with a lower tightening level) is led in round the upper guidingpulley 16a and up to, and through, thehawser tightening unit 20, while thetaut hawser part 12b runs across the lower guidingpulley 16 and on to thewinch drum 11. It will appear that the guidingpulleys 16 can be used to guide the direction one wishes thehawser parts - The hawser 12 does not necessarily need to be led into the tightening body via the described guiding
pulleys device 20 i.e., as in the example where thehawser part 12a (with lower tightening) is led directly into thedisc 22 and further out from thedisc 21 as thetaut hawser part 12b and directly onto the drum. - The two
pulleys - The aim is to coil the hawser onto the drum with such tightening that the hawser coils in the spirals from the inner layer outwards shall not bury themselves down between the hawser parts that lies underneath.
- According to a preferred embodiment of the invention the
hawser tightening unit 20 comprises threediscs hawser part 12a, which initially has a lower tightening level from thedisc 16, runs initially - round a
first disc 22, - further round a
second disc 23, to - run into and round a
third disc 21 - The
discs figure 2 , so that the hawser-loop round the discs form said tightenedhawser part 12b in toward the winch. Thethird disc 23 is placed so that the hawser defines, for example, aU-shaped loop 24 at the exiting hawser from thefirst disc 21, around thesecond disc 23 and onto thethird disc 22. - The
disc groove 30 where the hawser is placed has a V or a U shaped cross section. The V-shape is particularly preferred, as thefigures 3 to 5 show. The groove surfaces are preferably covered by a rubber coating (with a ring-disc shape), with a suitable hardness. (a hard rubber type), and which can have a thickness of the order of 1-2 cm, in particular 1 cm, a thickness that can be varied, depending on the dimensions of the hawser and winch system. The coating can be from other suitable materials, such as plastic, as long as they have the above mentioned preferred characteristics with regard to high friction and a smooth surface. - The V-shaped groove surfaces of the
discs figure 5 , covered by acoating 38 of a material that gives the highest possible friction against the gliding at the same time as it has the smoothest surface possible so that a gentle contact between the natural fibres of the hawser and the surface is made if it should slip in the groove. The coating is preferably from rubber or a rubberised material with a suitable hardness, and particularly with a relatively smooth surface structure with minimum roughness. As it appears infigure 4 , the surfaces of the disc groove form an angle α with each other, and in a typical case an angle of 60°. - One or more of the
discs braking body 40 or a hawser tightening unit, as shown infigure 4 , and which can provide a tightening creating moment on the discs when thewinch 10 works and coils the hawser. The braking body can comprise a hydraulic motor, an electro motor, or is made from a disc brake or other brake unit. Thehawser tightening unit 40 preferably comprises amotor 36 with agear 34, and which can be operated as a braking body. In addition, themotor 36 can be driven so that theunit 20 can be used to pull in a hawser 12. In the present case, all the threediscs own motor unit 40. - An example is shown where the
hawser 12b is placed in thepulley groove 30 of thedisc 21. The pulley is fitted in a shaft (not shown) that is driven by themotor 36. - As
figure 5 illustrates, thedisc 21 is composed of two disc halves and the groove forming surfaces are coated with a suitable material, such as rubber. Infigure 3 , a fitting bracket withreference number 32 is indicated, that is used for the fitting of the tighteningunit 40 in connection with a deck construction, for example, so that thegear 34 andmotor 36 are placed below the deck of the vessel with only the disc lying above the deck level where the hawsers are handled. The construction can, of course, be placed anywhere and in any desirable position. The construction according to the invention with the motor-driven guiding discs can also be driven to pull hawsers across the discs, for example, when the hawser shall be pulled off thedrum 11. - The following characteristics of the present described construction are given, with regard to prior art, for example, as shown in the above mentioned patents:
- 1) The solution is directed towards application of fibrous hawsers and not wires.
- 2) The disc groove is V-shaped and has a friction coating in the form of a rubber coating.
- 3) With the solution, individual braking of the guiding
discs - 4) With the use of such guiding discs, one avoids any axial movement of the hawser as in, for example, the GB patent.
- 5) A great extent of surface contact, i.e. the hawser lies against the disc groove for most of its circumference.
- 6) One obtains a solution that offers low wear of the fibrous hawser if slipping occurs in the disc groove.
Claims (8)
- Method for coiling a slack hawser onto a winch drum (11), where the hawser is conducted through a braking body (20) that provides a firm and approximately constant tightening of the hawser, in order to prevent the hawser from sinking down between the layers on the storage drum when handling of load,
characterised in that
the hawser is conducted in loops of a number of hawser guiding discs (21,22,23) of the braking body (20) one or more of said discs (21,22,23) including braking means that give a tightening creating moment on the discs and tightens the hawser, each said hawser guiding disc (21,22,23) having a V- or U-shaped guiding groove geometry with a friction coating of a smooth surface structure and minimum roughness to provide a high friction between the hawser and the guiding grooves of the discs. - Method according to claim 1, characterised in that use is made of three hawser guiding discs (21,22,23) mutually set up so that the hawser (24) runs in a loop across discs (21,22,23) said hawser encircling each disc to a large degree in direct contact with the disc groove
- Method according to claim 2, characterised in that that the hawser makes direct contact with about 270° of the circumference groove of the centre hawser guiding disc (23).
- Method according to claim 1, characterised in that the groove of each hawser guiding disc (21,22,23) includes a friction coating of rubber, a rubberised material or a plastic material.
- Method according to any of the preceding claims, characterised in that the hawser is conducted through a first guiding wheel (16a) to guide the hawser part (12a) in a correct path in towards the hawser guiding discs (21,22,23) of the braking unit (20) and a second guiding wheel (16b) to lead a taut hawser part (12b) from the hawser tightening unit (20) and further onto the winch drum (10).
- Method according to any of the preceding claims, characterised in that use is made of a brake body (20) comprises a hydraulic motor, an electro motor (36) or is made from a disc brake or other brake unit.
- Method according to the preceding claims 1-6 for handling of anchor hawsers that are loosely coiled onto a storage drum from the supplier, with the hawser from the storage drum being transferred into a very taut state by being coiled onto a winch drum (11) with such a force that it lies compact and taut onto the drum.
- Method according to the preceding claims 1-6 for tightening of wires, fibrous hawsers and the like on a winch drum (11) in connection with cranes.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20091156A NO333638B1 (en) | 2009-03-18 | 2009-03-18 | After Tightens |
PCT/NO2010/000106 WO2010107323A1 (en) | 2009-03-18 | 2010-03-18 | Device for handling of rope and use thereof |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2429933A1 EP2429933A1 (en) | 2012-03-21 |
EP2429933A4 EP2429933A4 (en) | 2012-12-05 |
EP2429933B1 true EP2429933B1 (en) | 2015-12-02 |
Family
ID=42739828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10753749.0A Active EP2429933B1 (en) | 2009-03-18 | 2010-03-18 | Device for handling of rope and use thereof |
Country Status (6)
Country | Link |
---|---|
US (1) | US20120126048A1 (en) |
EP (1) | EP2429933B1 (en) |
DK (1) | DK2429933T3 (en) |
ES (1) | ES2564009T3 (en) |
NO (1) | NO333638B1 (en) |
WO (1) | WO2010107323A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1021044B1 (en) * | 2013-11-06 | 2015-02-25 | Dufour Sa | DEVICE AND METHOD FOR TURNING THE LIFTING CABLE OF A CRANE VIA ITS HOOK BY ROLLING THE CABLE ON THE CRANE LIFTING WINCH |
CN105084110A (en) * | 2015-08-27 | 2015-11-25 | 安庆日月电缆有限公司 | Auxiliary device of wire drawing machine |
CN105173900A (en) * | 2015-09-10 | 2015-12-23 | 潘琴丽 | Tensioning device with traction wheels |
CN108726274A (en) * | 2017-04-25 | 2018-11-02 | 嵊州市裕宝纺织机械有限公司 | A kind of weaving yarn guiding wheel |
CN106958076A (en) * | 2017-04-25 | 2017-07-18 | 嵊州市裕宝纺织机械有限公司 | One kind weaving guide wheel assembly |
US11685639B2 (en) * | 2020-03-16 | 2023-06-27 | Hall Labs Llc | Capstan effect device |
CN113772559B (en) * | 2021-07-27 | 2022-08-16 | 中南大学 | Cable crane cable saddle self-adaptive adjusting system |
CN116534754B (en) * | 2023-07-06 | 2023-11-21 | 成都久和至诚智能装备有限责任公司 | Steel wire rope pre-tightening system and method for crane working mechanism |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3584747A (en) * | 1969-07-31 | 1971-06-15 | Georgia Pacific Corp | Line shortener for grapple log-yarding apparatus |
US3966170A (en) * | 1971-05-19 | 1976-06-29 | Ocean Systems, Inc. | Traction winch |
US3934482A (en) * | 1975-01-27 | 1976-01-27 | The United States Of America As Represented By The Secretary Of The Navy | Cable traction sheave |
NL169711C (en) | 1977-06-01 | 1982-08-16 | Ihc Holland Nv | DEVICE FOR CONSTANTLY KEEPING THE TENSION TENSION IN A CABLE. |
GB2166704B (en) * | 1984-11-02 | 1988-01-27 | Innova Engineering Limited | Winch mechanism |
CH673274A5 (en) | 1989-07-17 | 1990-02-28 | Kyburz Maschinenbau Ag | Rope winch with rotary drum - has driven pulley in contact with rope winding on and off drum |
US5284323A (en) * | 1992-02-06 | 1994-02-08 | Pawkett James P | Apparatus for marine seismic cable retrieval and deployment |
JP4030024B2 (en) | 1996-03-18 | 2008-01-09 | 大東重機工事株式会社 | Device that generates tension load on wire rope |
DE19632850C2 (en) * | 1996-08-14 | 1998-09-10 | Regina Koester | Traction sheave elevator without counterweight |
US7134645B1 (en) * | 2003-02-05 | 2006-11-14 | Advanced Design Consulting Usa | Winch assembly for use with synthetic ropes |
-
2009
- 2009-03-18 NO NO20091156A patent/NO333638B1/en unknown
-
2010
- 2010-03-18 WO PCT/NO2010/000106 patent/WO2010107323A1/en active Application Filing
- 2010-03-18 EP EP10753749.0A patent/EP2429933B1/en active Active
- 2010-03-18 US US13/261,063 patent/US20120126048A1/en not_active Abandoned
- 2010-03-18 DK DK10753749.0T patent/DK2429933T3/en active
- 2010-03-18 ES ES10753749.0T patent/ES2564009T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20120126048A1 (en) | 2012-05-24 |
NO333638B1 (en) | 2013-07-29 |
EP2429933A4 (en) | 2012-12-05 |
DK2429933T3 (en) | 2016-02-15 |
WO2010107323A1 (en) | 2010-09-23 |
ES2564009T3 (en) | 2016-03-17 |
EP2429933A1 (en) | 2012-03-21 |
NO20091156L (en) | 2010-09-20 |
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