US20210230825A1 - Flexible rope net gabion - Google Patents
Flexible rope net gabion Download PDFInfo
- Publication number
- US20210230825A1 US20210230825A1 US17/051,061 US201917051061A US2021230825A1 US 20210230825 A1 US20210230825 A1 US 20210230825A1 US 201917051061 A US201917051061 A US 201917051061A US 2021230825 A1 US2021230825 A1 US 2021230825A1
- Authority
- US
- United States
- Prior art keywords
- net
- polymer
- gabion
- ropes
- rope net
- 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.)
- Abandoned
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
- E02B3/123—Flexible prefabricated covering elements, e.g. mats, strips mainly consisting of stone, concrete or similar stony material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/0017—Means for protecting offshore constructions
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0208—Gabions
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0065—Monopile structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0091—Offshore structures for wind turbines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
- E02B3/126—Flexible prefabricated covering elements, e.g. mats, strips mainly consisting of bituminous material or synthetic resins
Definitions
- the invention is in the field of providing scour protection. More particularly, the current invention relates to flexible rope net gabion for scour protection.
- Scouring is a phenomenon whereby the top loose material of the upper soil in body of water viz., river bed, river banks, stream bed, stream bunds, sea bed or coastal area is eroded as a result of tidal activity or bed-bank movement. This phenomenon occurs due to disturbance created in the tidal flow pattern due to an embedded structure or overall seabed movement or “sand waves”.
- the phenomenon is more proclaimed in case of scouring action on natural river or stream beds and also on the side slopes of the river banks, bridge piles, offshore structures, wind turbines etc. whereby a structure is embedded in the water body. Accordingly, when an underwater structure is embedded in the water body, the structure acts as a resistor of the tidal current, a vortex flow occurs, the surrounding ground is scooped around the structure, so-called washing in which the structures foundation weakens and may lead to collapse.
- One solution to overcome said problem is to place gabions along the water body bed or river bed or stream bed or packed close to the bottom of the embedded structure.
- One such solution was proposed in EP2341592 filed by Kyowa Co., Ltd.
- a plurality of bags containing block objects, such as rocks having sufficient porosity are disposed along the water body bed.
- the bags acts to reduce the drag force generated by the water, and consequently reduce scouring of the water body bed.
- the construction material used for the bags is a polyester material.
- polyester sack gabions as described in EP2341592 pose another environmental problem relating to micro plastic generation. These plastic particles which are less than 5 mm lead to bio-magnification through food chain.
- the present invention provides Flexible Rope Net Gabions which are durable and eco-friendly, flexible and easy-to-transport.
- the Flexible Rope Net Gabions of current invention made from polymers such as Polyolefins and Polyesters or mixtures thereof, which is highly resistant to degradation in corrosive environment.
- FIG. 1 illustrates the flexible rope net gabion in accordance with one of the embodiments of the invention.
- FIG. 2 illustrates the open state of the polymer net 3 .
- FIG. 3 illustrates one embodiment of using the flexible rope net gabion 3 of the invention for anchoring the structure.
- the flexible rope net gabion 5 comprises of a lifting ring 1 , a plurality of polymer ropes 2 , a polymer net 3 and stones or boulders 4 .
- the lifting ring 1 functions as a lifting element to facilitate easy lifting of the flexible rope net gabion 5 for positioning, as required.
- the lifting ring 1 can be hung to a crane.
- the material used for construction of the lifting ring 1 is a polymer or stainless steel or the like.
- the plurality of polymer ropes 2 which are connected to the ring 1 function as lifting ropes for suspending the flexible rope net gabion 5 from the crane.
- the polymer net 3 is monolithically connected to the plurality of polymer ropes 2 .
- the net is manufactured from a polymer yarn made from a mix of polymer netting and polymer ropes.
- boulders or stones 4 are held in the polymer net 3 .
- the stones or boulders 4 act as porous structure which provide scour protection to the embedded structure.
- the size of the boulders is immaterial for efficient implementation of the current invention.
- FIG. 2 details the open state of the polymer net 3 of the flexible rope net gabion 5 , having a conical top end and open bottom end.
- the polymer net 3 comprises of two lacing twines 31 A and 31 B.
- the twines 31 A and 31 B are configured for facilitating tying of the open end after filling the polymer net 3 with stones of boulders 4 .
- the polymer net 3 is further adorned with a bottom 10 mm twisted polyester rope 34 , disposed close to the top open end, which functions as a load-bearing portion for hanging to hook 1 .
- the polymer net 3 further comprises of multitude of structural ropes 33 , which are 6 mm polyester twisted ropes.
- the structural ropes 33 extend from the top 10 mm twisted polyester ring 32 till a top 10 mm twisted polyester rope ring 34 .
- the 34 has a diameter which is substantially larger than the diameter of top 10 mm twisted polyester rope ring 34 , such that the structural ropes 33 along with the rings 32 and 34 form a substantially conical structure.
- the flexible rope net gabion 3 packed with rock to an extent of 45% allows the flexible rope gabion 3 to be evenly positioned around the structure 100 to be supported thereby ensuring that it is anchored in a balanced fashion.
- Described herein is a flexible rope net gabion used to provide scour protection for bridges, piles, offshore structures, wind turbines, river training, channel lining, erosion control, etc.
- the material used for construction of the lifting ring 1 is a polymer or stainless steel or the like.
- the polymer ropes 2 and/or polymer net 3 of the flexible rope net gabion 5 is made from a polymer yarn constructed from a mix of polymer netting and polymer ropes. Further, in accordance with current embodiment, said polymer net 3 can be a knotted net or knotless net.
- the net 3 and/or the rope 2 can be made of twisted/braided yarn.
- the polymer net 3 could be either knotless net or knotted net.
- the polymer net 3 and/or ropes 2 could be made of yarn containing polyolefin with polyester content varying from 0-100%.
- the polymer net 3 and/or ropes 2 could be made of yarn containing between 20-90% polyolefin and between 10-80% polyester.
- the yarn used for production of the polymer net 3 and/or ropes 2 is a bio-based yarn.
- the polymer net 3 is packed with rocks to the extent of 45% of the volume of the Net 3 . Packing the rock to an extent of 45% of the total volume of polymer net 3 which allows the flexible rope net gabion 5 to be evenly positioned around the structure 100 to be supported thereby, ensuring that the structure is anchored in a balanced manner.
- the polymer net 3 is monolithically connected to plurality of polymer ropes 2 .
- the flexible rope net gabion 5 forms a porous and flexible structure containing stones or boulders 4 . Said stones or boulders 4 provide excellent protection from scouring. In accordance with this embodiment, it is possible to achieve effective implementation of the current invention irrespective of the size of the boulders. Further, in accordance with this embodiment, the flexible rope net gabion 5 of the invention could be evenly positioned around the structure to be supported thereby ensuring that it is anchored in a balanced manner.
- the polymer net 3 of the flexible rope net gabion 5 has a conical top end and open bottom end.
- the polymer net 3 is equipped of two lacing twines 21 A and 21 B.
- the twines 21 A and 21 B are designed for facilitating tying of the open end after filling the polymer net 3 with stones of boulders 4 .
- the plurality of polymer ropes 2 comprises of a bottom 10 mm twisted polyester rope 24 , disposed close to the open end of the polymer net 3 , which functions as a load-bearing portion for hanging to hook 1 .
- the polymer rope 2 further comprises of multitude of structural ropes 23 , which are 6 mm polyester twisted ropes.
- the structural ropes 23 extend from the top 10 mm twisted polyester ring 22 till a top 10 mm twisted polyester rope ring 24 .
- the 24 has a diameter which is substantially larger than the diameter of top 10 mm twisted polyester rope ring 22 , such that the structural ropes 23 along with the rings 22 and 24 form a substantially conical structure.
- the flexible rope net gabion 5 packed with rock to an extent of 45%.
- the 45% packing allows the flexible rope gabion 5 to be evenly positioned around the structure 100 to be supported, thereby ensuring that the structure 100 is anchored in a balanced fashion.
- the flexible rope net gabion of the invention also ensures lower micro-plastic release and lower harm to environment.
- the flexible rope net gabion of the invention is eco-friendly.
- the specific gravity of the yarn is increased so as to achieve efficient submersion of the flexible net gabions of the invention.
- the flexible rope net gabion of the invention provides a porous flexible structure that provides excellent scour protection and is durable.
- the flexible rope net gabion of the current invention could be effectively used for preventing scouring or soil erosion from on the water body bed or sea-shore or river bank or riverbed or streambed or stream bank.
- the flexible rope net gabion of the current invention could be effectively used for preventing scouring or soil erosion from the water body bed or sea-shore or river bank or riverbed or streambed or stream bank.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Ocean & Marine Engineering (AREA)
- Revetment (AREA)
Abstract
Disclosed herein is an eco-friendly, flexible rope net gabion (5) for facilitating scour protection. Said flexible rope net gabion is packed to the extent of 45% with rocks or boulders. The packing to the extent of 45% allows the flexible rope net gabion to be evenly position around the structure (100) to provide uniform anchorage.
Description
- The invention is in the field of providing scour protection. More particularly, the current invention relates to flexible rope net gabion for scour protection.
- Scouring is a phenomenon whereby the top loose material of the upper soil in body of water viz., river bed, river banks, stream bed, stream bunds, sea bed or coastal area is eroded as a result of tidal activity or bed-bank movement. This phenomenon occurs due to disturbance created in the tidal flow pattern due to an embedded structure or overall seabed movement or “sand waves”.
- The phenomenon is more proclaimed in case of scouring action on natural river or stream beds and also on the side slopes of the river banks, bridge piles, offshore structures, wind turbines etc. whereby a structure is embedded in the water body. Accordingly, when an underwater structure is embedded in the water body, the structure acts as a resistor of the tidal current, a vortex flow occurs, the surrounding ground is scooped around the structure, so-called washing in which the structures foundation weakens and may lead to collapse.
- The gradual wearing of the water body bed possesses a significant economic problem. As, once a significant amount of soil is eroded from water body bed, an embedded structure may lose its stability and the loose footing may lead to tumbling of the structure or cause a significant damage to the structure, in case the structure is supported by plurality embedded structures.
- A similar scouring phenomenon, as described above, could also be witnessed on river banks, river bed, stream bank and stream bed.
- One solution to overcome said problem is to place gabions along the water body bed or river bed or stream bed or packed close to the bottom of the embedded structure. One such solution was proposed in EP2341592 filed by Kyowa Co., Ltd. In accordance with this Patent, a plurality of bags containing block objects, such as rocks having sufficient porosity are disposed along the water body bed. The bags acts to reduce the drag force generated by the water, and consequently reduce scouring of the water body bed. The construction material used for the bags is a polyester material.
- However, in view of an article titled “Effect of Seawater on Ageing of Polyester Composites and Study of Aged Composite Polymer” by KÜÜK, Kerem and another article titled “Degradation Effects in Polyester and Vinyl Ester Resins Induced by Accelerated Aging in Seawater” by VISCO, A M et al., it is clear that the polyester bags as used in EP2341592 are not very durable and might lose their usefulness over a period of time.
- Further, the polyester sack gabions as described in EP2341592 pose another environmental problem relating to micro plastic generation. These plastic particles which are less than 5 mm lead to bio-magnification through food chain.
- Indian Patent No. IN195352 granted to Garware Wall Ropes describes a prefabricated collapsible gabion product made from ropes, for protection of river bank and/or coastal areas of sea.
- The rope gabions of IN195352 are relatively inflexible and cannot be transported easily. These gabions have limitations in flexibility, durability, transportability and also not useful in multiple applications and utilities.
- Hence, there is a need to develop such gabions which are durable in operating conditions and are eco-friendly. Therefore, the current inventors have developed Flexible Rope Net Gabions which are durable and eco-friendly, easy-to-transport and use in wider range of applications.
- In an aspect, the present invention provides Flexible Rope Net Gabions which are durable and eco-friendly, flexible and easy-to-transport.
- The Flexible Rope Net Gabions of current invention made from polymers such as Polyolefins and Polyesters or mixtures thereof, which is highly resistant to degradation in corrosive environment.
-
FIG. 1 illustrates the flexible rope net gabion in accordance with one of the embodiments of the invention. -
FIG. 2 illustrates the open state of thepolymer net 3. -
FIG. 3 illustrates one embodiment of using the flexiblerope net gabion 3 of the invention for anchoring the structure. - The flexible
rope net gabion 5 comprises of alifting ring 1, a plurality ofpolymer ropes 2, apolymer net 3 and stones orboulders 4. - The
lifting ring 1 functions as a lifting element to facilitate easy lifting of the flexiblerope net gabion 5 for positioning, as required. Thelifting ring 1 can be hung to a crane. The material used for construction of thelifting ring 1 is a polymer or stainless steel or the like. - The plurality of
polymer ropes 2 which are connected to thering 1 function as lifting ropes for suspending the flexiblerope net gabion 5 from the crane. - The
polymer net 3 is monolithically connected to the plurality ofpolymer ropes 2. The net is manufactured from a polymer yarn made from a mix of polymer netting and polymer ropes. - The boulders or
stones 4 are held in thepolymer net 3. The stones orboulders 4 act as porous structure which provide scour protection to the embedded structure. The size of the boulders is immaterial for efficient implementation of the current invention. -
FIG. 2 details the open state of thepolymer net 3 of the flexiblerope net gabion 5, having a conical top end and open bottom end. Thepolymer net 3 comprises of twolacing twines 31A and 31B. Thetwines 31A and 31B are configured for facilitating tying of the open end after filling thepolymer net 3 with stones ofboulders 4. - The
polymer net 3 is further adorned with a bottom 10 mm twisted polyester rope 34, disposed close to the top open end, which functions as a load-bearing portion for hanging to hook 1. Thepolymer net 3 further comprises of multitude of structural ropes 33, which are 6 mm polyester twisted ropes. The structural ropes 33 extend from the top 10 mm twisted polyester ring 32 till a top 10 mm twisted polyester rope ring 34. In accordance with this embodiment the 34 has a diameter which is substantially larger than the diameter of top 10 mm twisted polyester rope ring 34, such that the structural ropes 33 along with the rings 32 and 34 form a substantially conical structure. - As illustrated in
FIG. 3 , the flexiblerope net gabion 3 packed with rock to an extent of 45% allows theflexible rope gabion 3 to be evenly positioned around thestructure 100 to be supported thereby ensuring that it is anchored in a balanced fashion. - Described herein is a flexible rope net gabion used to provide scour protection for bridges, piles, offshore structures, wind turbines, river training, channel lining, erosion control, etc.
- In an embodiment, the material used for construction of the
lifting ring 1 is a polymer or stainless steel or the like. - The polymer ropes 2 and/or
polymer net 3 of the flexiblerope net gabion 5 is made from a polymer yarn constructed from a mix of polymer netting and polymer ropes. Further, in accordance with current embodiment, saidpolymer net 3 can be a knotted net or knotless net. - The net 3 and/or the
rope 2 can be made of twisted/braided yarn. Thepolymer net 3 could be either knotless net or knotted net. - The
polymer net 3 and/orropes 2 could be made of yarn containing polyolefin with polyester content varying from 0-100%. - The polymer net 3 and/or
ropes 2 could be made of yarn containing between 20-90% polyolefin and between 10-80% polyester. - The yarn used for production of the
polymer net 3 and/orropes 2 is a bio-based yarn. - The
polymer net 3 is packed with rocks to the extent of 45% of the volume of the Net 3. Packing the rock to an extent of 45% of the total volume ofpolymer net 3 which allows the flexiblerope net gabion 5 to be evenly positioned around thestructure 100 to be supported thereby, ensuring that the structure is anchored in a balanced manner. - In an embodiment, the
polymer net 3 is monolithically connected to plurality ofpolymer ropes 2. - The flexible rope
net gabion 5 forms a porous and flexible structure containing stones orboulders 4. Said stones orboulders 4 provide excellent protection from scouring. In accordance with this embodiment, it is possible to achieve effective implementation of the current invention irrespective of the size of the boulders. Further, in accordance with this embodiment, the flexible ropenet gabion 5 of the invention could be evenly positioned around the structure to be supported thereby ensuring that it is anchored in a balanced manner. - In accordance with one of the embodiments, the
polymer net 3 of the flexible ropenet gabion 5 has a conical top end and open bottom end. Thepolymer net 3 is equipped of two lacing twines 21A and 21B. The twines 21A and 21B are designed for facilitating tying of the open end after filling thepolymer net 3 with stones ofboulders 4. - The plurality of
polymer ropes 2 comprises of a bottom 10 mm twistedpolyester rope 24, disposed close to the open end of thepolymer net 3, which functions as a load-bearing portion for hanging to hook 1. Thepolymer rope 2 further comprises of multitude of structural ropes 23, which are 6 mm polyester twisted ropes. The structural ropes 23 extend from the top 10 mm twistedpolyester ring 22 till a top 10 mm twistedpolyester rope ring 24. In accordance with this embodiment the 24 has a diameter which is substantially larger than the diameter of top 10 mm twistedpolyester rope ring 22, such that the structural ropes 23 along with therings - In accordance with one of the embodiments of the invention, the flexible rope
net gabion 5 packed with rock to an extent of 45%. The 45% packing allows theflexible rope gabion 5 to be evenly positioned around thestructure 100 to be supported, thereby ensuring that thestructure 100 is anchored in a balanced fashion. - In an advantageous embodiment, the flexible rope net gabion of the invention also ensures lower micro-plastic release and lower harm to environment.
- In an advantageous embodiment, the flexible rope net gabion of the invention is eco-friendly.
- In another advantageous embodiment, the specific gravity of the yarn is increased so as to achieve efficient submersion of the flexible net gabions of the invention.
- In another advantageous embodiment, the flexible rope net gabion of the invention provides a porous flexible structure that provides excellent scour protection and is durable.
- In an a embodiment of the invention, the flexible rope net gabion of the current invention could be effectively used for preventing scouring or soil erosion from on the water body bed or sea-shore or river bank or riverbed or streambed or stream bank.
-
-
- The flexible rope net gabion of current invention is flexible and easy-to-transport.
- The flexible rope net gabion of current invention is eco-friendly.
- The flexible rope net gabion of current invention ensures lower micro-plastic release and lower harm to environment, owing to the composition of the yarns used for construction of the polymer ropes and the polymer net
- The flexible rope net gabion of current invention is durable
- The flexible rope net gabion of current invention could be manufactured using synthetic yarn or a bio-based yarn.
- The
polymer net 3 of the flexible rope net gabion of current invention could be either knotless net or knotted net. - The polymer net is monolithically connected to plurality of polymer ropes.
- The effective implementation of the flexible rope net gabions of current invention can be achieved irrespective of the size and shape of the boulders.
- The flexible rope net gabion of the current invention could be effectively used for preventing scouring or soil erosion from the water body bed or sea-shore or river bank or riverbed or streambed or stream bank.
- It is to be understood that the above description is intended to be illustrative and not restrictive. Many embodiments will be apparent to a person skilled in the art upon reviewing the description. The scope of the invention should therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled
Claims (7)
1. An easy-to-transport, flexible rope net gabion 5 for scour protection comprising:
a. a lifting ring;
b. a plurality of polymer ropes;
c. a polymer net, and
d. stones or boulder,
wherein the polymer net is packed with rocks or boulders to an extent of 45%, such that the rope net gabion could be evenly positioned around a structure to be supported.
2. The rope net gabion as claimed in claim 1 , wherein the plurality of polymer ropes and the polymer net are constructed of synthetic or bio-based material.
3. The rope net gabion as claimed in claim 2 , wherein the plurality of polymer ropes and the polymer net are constructed from a mix of polymer netting and polymer ropes.
4. The rope net gabion as claimed in claim 1 , wherein the composition of the polymer ensures lower micro-plastic release and lower harm to environment.
5. The rope net gabion as claimed in claim 1 , wherein the polymer net is a knotless net.
6. The rope net gabion as claimed in claim 1 , wherein the polymer net is monolithically connected to the plurality of polymer ropes.
7. The rope net gabion as claimed in claim 1 , wherein the polymer net is a knotted net.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN201821030314 | 2018-08-13 | ||
IN201821030314 | 2018-08-13 | ||
PCT/IN2019/050522 WO2020035879A1 (en) | 2018-08-13 | 2019-07-13 | Flexible rope net gabion |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IN2019/050522 A-371-Of-International WO2020035879A1 (en) | 2018-08-13 | 2019-07-13 | Flexible rope net gabion |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/826,919 Continuation-In-Part US20220282441A1 (en) | 2018-08-13 | 2022-05-27 | Flexible rope net gabion |
Publications (1)
Publication Number | Publication Date |
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US20210230825A1 true US20210230825A1 (en) | 2021-07-29 |
Family
ID=69525266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/051,061 Abandoned US20210230825A1 (en) | 2018-08-13 | 2019-07-13 | Flexible rope net gabion |
Country Status (3)
Country | Link |
---|---|
US (1) | US20210230825A1 (en) |
EP (1) | EP3752676A4 (en) |
WO (1) | WO2020035879A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7079987B1 (en) | 2021-02-10 | 2022-06-03 | キョーワ株式会社 | How to lift the bag from the manufacturing frame |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0971919A (en) * | 1995-09-05 | 1997-03-18 | Seiritsu Shoko Kk | Scour protection net |
JP3696389B2 (en) * | 1997-10-31 | 2005-09-14 | キョーワ株式会社 | Scouring prevention materials and scouring prevention methods for underwater structures |
JP2002069969A (en) * | 2000-08-31 | 2002-03-08 | Unitica Fibers Ltd | Gabion for civil engineering work |
PT2341592E (en) * | 2009-12-29 | 2014-05-06 | Kyowa Co Ltd | Method for protecting submarine cable and submarine long tube |
-
2019
- 2019-07-13 US US17/051,061 patent/US20210230825A1/en not_active Abandoned
- 2019-07-13 EP EP19849140.9A patent/EP3752676A4/en active Pending
- 2019-07-13 WO PCT/IN2019/050522 patent/WO2020035879A1/en active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
WO2020035879A1 (en) | 2020-02-20 |
EP3752676A1 (en) | 2020-12-23 |
EP3752676A4 (en) | 2021-11-03 |
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