US20070163429A1 - Large-sized compound polyurethane elastomer submarine anchor cable - Google Patents
Large-sized compound polyurethane elastomer submarine anchor cable Download PDFInfo
- Publication number
- US20070163429A1 US20070163429A1 US11/331,127 US33112706A US2007163429A1 US 20070163429 A1 US20070163429 A1 US 20070163429A1 US 33112706 A US33112706 A US 33112706A US 2007163429 A1 US2007163429 A1 US 2007163429A1
- Authority
- US
- United States
- Prior art keywords
- fiber
- polyurethane elastomer
- rope
- anchor cable
- molecular
- 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
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/18—Grommets
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1096—Rope or cable structures braided
-
- 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
- D07B2201/2001—Wires or filaments
- D07B2201/2009—Wires or filaments characterised by the materials used
-
- 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
- D07B2201/2092—Jackets or coverings characterised by the materials used
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/2046—Polyamides, e.g. nylons
-
- 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
- D07B2205/2064—Polyurethane resins
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3007—Carbon
-
- 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 present invention is related to a large-sized compound polyurethane elastomer submarine cable used to hold stead a offshore platform, and more particularly, to one comprised of single layer or multiple layers of polyurethane elastomer and carbon fiber wrapping around a single layer or multiple layers of ultra-high-molecular-weight polyethylene (UHMWPE) fiber, aramid fiber or kevlar fiber to provide better buffer pre-stress, withstand tidal pull, and better return elasticity.
- UHMWPE ultra-high-molecular-weight polyethylene
- the ultra large-sized offshore platform on the sea for being disposed over the deeper sea to present less impacts upon the coast environment while keeping away noise and pollution that produce interference to the daily life from the densely populated area becomes an option highly favored.
- the steel structured offshore platform usually in gigantic size provides ample room for human activities.
- many scholars proposed to build airport, incineration plant, container terminal, or refinery plant on an offshore platform; meanwhile, USA and Japan have inputted enormous resources in the R&D of ultra large-sized offshore platform. Stability of the offshore platform, capacity of withstanding sea currents, elasticity and bearing capabilities of materials, corrosion resisting property of materials, welding technology, and positioning technology present great challenges to the engineering technology due to the huge volume involved.
- Wave is the most unpredictable external force to the environment of the ocean and could cause the most powerful devastating destruction. Wave is always the primary factor to consider in the dynamic design for coastline oceanic projects including offshore rig, coast transition, breakwater, and harbor planning. How to hold the offshore platform steady becomes the important issue toady.
- the primary purpose of the present invention is to provide a large-sized compound polyurethane elastomer submarine anchor cable to secure an offshore platform within a smaller restricted area so to prevent the offshore platform from drifting away when the anchor cable of the prior art is broken by excessively greater transient fluctuation speed of the wave due to severe weather condition.
- the present invention is comprised of one layer or multiple layers of polyurethane elastomer, carbon fiber, and aramid fiber or kelvar fiber or ultra-high-molecular-weight polyethylene (UHMWPE) fiber to provide better buffer pre-stress, withstand tidal pull, and better return elasticity to hold the offshore platform steady.
- polyurethane elastomer carbon fiber
- aramid fiber or kelvar fiber or ultra-high-molecular-weight polyethylene (UHMWPE) fiber to provide better buffer pre-stress, withstand tidal pull, and better return elasticity to hold the offshore platform steady.
- UHMWPE ultra-high-molecular-weight polyethylene
- the outer layer of the present invention is made of polyurethane elastomer and carbon fiber mixed at a certain ratio, compressed and wrapping around aramid fiber or kelvar fiber or ultra-high-molecular-weight polyethylene (UHMWPE) fiber, and a core of synthetic fiber rope with molecular malleability (e.g., nylon, nylon 66 , polyester rope).
- the rope is exposed in a form of a loop from both ends of the cable; and each loop has one or multiple layers of sheath made of aramid fiber, kelvar fiber or UHMWPE fiber wrapping around the rope at where closer to a tie on each end to provide extra friction withstanding strength.
- One end of the anchor cable is fixed to the offshore platform and the other end fixed to each anchor to contain the offshore platform within a limited area defined by multiple anchors the offshore platform is fastened to.
- FIG. 1 is a perspective view of a construction of a large-sized compound polyurethane elastomer submarine anchor cable of the present invention.
- FIG. 2 is a sectional view of a loop and a sheath of the cable of the present invention.
- FIG. 3 is a schematic view showing an assembly for use of the present invention.
- a large-sized compound polyurethane elastomer submarine anchor cable 20 of the present invention to hold an offshore platform 11 to a submarine anchor 12 is comprised of a single layer or multiple layers of polyurethane elastomer and carbon fiber mixed at a given ratio.
- the cable 20 wraps around aramid fiber or kevlar fiber or ultra-high-molecular-weight polyethylene (UHMWPE) fiber.
- the cable 20 contains a core rope 30 made of synthetic fiber e.g., polyamide, polyester or nylon with high molecular malleability. The rope 30 is exposed of out both ends of the cable 20 and braided in a form of consistently distributed self-locking loop braided in alternative lamination fashion.
- sheath 32 wraps around the rope 30 at where closer to a tie on each end.
- Each sheath 32 wraps around the tie 31 in alternatively braided fashion, then tightened up and compressed to increase the strength and friction withstanding property of the tie 31 .
- the sheath 32 is made of aramid fiber, kevlar fiber or UHMWPE fiber(DYNEEMA). Wherein, the UHMWPE fiber (DYNEEMA) must be heated and vulcanized at the same time with the Polyurethane elastomer to produce high friction withstanding property.
- the tie 31 of the loop is fastened to the offshore platform 11 and the other end of the loop is fastened to each anchor 12 for the cable 20 to hold the offshore platform 11 steady within a limited range defined by multiple anchors 12 as illustrated in FIG. 3 .
- a large-sized steel karabiner may be used to fasten the loop to the offshore platform while the other end of the cable is fastened to each anchor to achieve the same purpose of holding steady the offshore platform.
- connection and latch ends effectively secures the cable for the offshore platform to be held steady within a smaller area and prevents the offshore platform from drifting away due to that the cable is broken by excessively large fluctuation speed of the wave in severe weather conditions such as the strike of typhoon.
- the core rope for giving excellent malleability provides fast return force for the cable once the external pull disappears.
- the prevent invention provides an improved structure of a large-sized compound polyurethane elastomer submarine anchor cable to hold an offshore platform steady in position on the sea, and the application for a patent is duly filed accordingly.
- the preferred embodiments disclosed in the specification and the accompanying drawings are not limiting the present invention; and that any construction, installation, or characteristics that is same or similar to that of the present invention should fall within the scope of the purposes and claims of the present invention.
Abstract
A large-sized compound polyurethane elastomer submarine anchor cable to hold steady a offshore platform within a specific range defined by the anchors is comprised of outer layer made of polyurethane elastomer and carbon fiber mixed at a certain ratio, compressed and wrapping around aramid fiber or kelvar fiber or ultra-high-molecular-weight polyethylene (UHMWPE) fiber and a core of synthetic fiber rope with molecular malleability; the rope exposed from both ends of the cable each in a loop; and each loop having one or multiple layers of sheath to wrap around the rope at where closer to a tie on each end.
Description
- (a) Field of the Invention
- The present invention is related to a large-sized compound polyurethane elastomer submarine cable used to hold stead a offshore platform, and more particularly, to one comprised of single layer or multiple layers of polyurethane elastomer and carbon fiber wrapping around a single layer or multiple layers of ultra-high-molecular-weight polyethylene (UHMWPE) fiber, aramid fiber or kevlar fiber to provide better buffer pre-stress, withstand tidal pull, and better return elasticity.
- (b) Description of the Prior Art:
- To expand more living space, development and exploitation of the space over the water at the area highly populated become one of the primary means for land expansion. Conventionally, developing the tidal flats on river, creek, and lake, and land refill in the shallow sea area are feasible in terms of engineering technology. An island like Taiwan where the density of population is extremely high, up-scaling development projects of landfill promoted by the government have been completed consecutively or are under construction. However, the surging awareness of environmental protection commencing since the 70's, the large-scale change of the natural environment has been opposed and seen as destruction to the environment. Given so, the ultra large-sized offshore platform on the sea for being disposed over the deeper sea to present less impacts upon the coast environment while keeping away noise and pollution that produce interference to the daily life from the densely populated area becomes an option highly favored. The steel structured offshore platform usually in gigantic size provides ample room for human activities. In recent years, many scholars proposed to build airport, incineration plant, container terminal, or refinery plant on an offshore platform; meanwhile, USA and Japan have inputted enormous resources in the R&D of ultra large-sized offshore platform. Stability of the offshore platform, capacity of withstanding sea currents, elasticity and bearing capabilities of materials, corrosion resisting property of materials, welding technology, and positioning technology present great challenges to the engineering technology due to the huge volume involved.
- However, wave is the most unpredictable external force to the environment of the ocean and could cause the most powerful devastating destruction. Wave is always the primary factor to consider in the dynamic design for coastline oceanic projects including offshore rig, coast transition, breakwater, and harbor planning. How to hold the offshore platform steady becomes the important issue toady.
- The primary purpose of the present invention is to provide a large-sized compound polyurethane elastomer submarine anchor cable to secure an offshore platform within a smaller restricted area so to prevent the offshore platform from drifting away when the anchor cable of the prior art is broken by excessively greater transient fluctuation speed of the wave due to severe weather condition.
- To achieve the purpose, the present invention is comprised of one layer or multiple layers of polyurethane elastomer, carbon fiber, and aramid fiber or kelvar fiber or ultra-high-molecular-weight polyethylene (UHMWPE) fiber to provide better buffer pre-stress, withstand tidal pull, and better return elasticity to hold the offshore platform steady.
- The outer layer of the present invention is made of polyurethane elastomer and carbon fiber mixed at a certain ratio, compressed and wrapping around aramid fiber or kelvar fiber or ultra-high-molecular-weight polyethylene (UHMWPE) fiber, and a core of synthetic fiber rope with molecular malleability (e.g., nylon, nylon 66, polyester rope). The rope is exposed in a form of a loop from both ends of the cable; and each loop has one or multiple layers of sheath made of aramid fiber, kelvar fiber or UHMWPE fiber wrapping around the rope at where closer to a tie on each end to provide extra friction withstanding strength. One end of the anchor cable is fixed to the offshore platform and the other end fixed to each anchor to contain the offshore platform within a limited area defined by multiple anchors the offshore platform is fastened to.
-
FIG. 1 is a perspective view of a construction of a large-sized compound polyurethane elastomer submarine anchor cable of the present invention. -
FIG. 2 is a sectional view of a loop and a sheath of the cable of the present invention. -
FIG. 3 is a schematic view showing an assembly for use of the present invention. - Referring to
FIGS. 1 and 2 , a large-sized compound polyurethane elastomersubmarine anchor cable 20 of the present invention to hold an offshore platform 11 to asubmarine anchor 12 is comprised of a single layer or multiple layers of polyurethane elastomer and carbon fiber mixed at a given ratio. Thecable 20 wraps around aramid fiber or kevlar fiber or ultra-high-molecular-weight polyethylene (UHMWPE) fiber. Thecable 20 contains acore rope 30 made of synthetic fiber e.g., polyamide, polyester or nylon with high molecular malleability. Therope 30 is exposed of out both ends of thecable 20 and braided in a form of consistently distributed self-locking loop braided in alternative lamination fashion. - One or multiple layers of
sheath 32 wraps around therope 30 at where closer to a tie on each end. Eachsheath 32 wraps around thetie 31 in alternatively braided fashion, then tightened up and compressed to increase the strength and friction withstanding property of thetie 31. - The
sheath 32 is made of aramid fiber, kevlar fiber or UHMWPE fiber(DYNEEMA). Wherein, the UHMWPE fiber (DYNEEMA) must be heated and vulcanized at the same time with the Polyurethane elastomer to produce high friction withstanding property. Thetie 31 of the loop is fastened to the offshore platform 11 and the other end of the loop is fastened to eachanchor 12 for thecable 20 to hold the offshore platform 11 steady within a limited range defined bymultiple anchors 12 as illustrated inFIG. 3 . Of course, a large-sized steel karabiner may be used to fasten the loop to the offshore platform while the other end of the cable is fastened to each anchor to achieve the same purpose of holding steady the offshore platform. - It is to be noted that the present invention by using one or multiple layers of polyurethane elastomer and carbon fiber wrapping around one or multiple layers of aramid fiber, kevlar fiber or UHMWPE fiber provides better buffer pre-stress to withstand the strong pull by the rising and falling of tide. The use of connection and latch ends effectively secures the cable for the offshore platform to be held steady within a smaller area and prevents the offshore platform from drifting away due to that the cable is broken by excessively large fluctuation speed of the wave in severe weather conditions such as the strike of typhoon. The core rope for giving excellent malleability provides fast return force for the cable once the external pull disappears.
- The prevent invention provides an improved structure of a large-sized compound polyurethane elastomer submarine anchor cable to hold an offshore platform steady in position on the sea, and the application for a patent is duly filed accordingly. However, it is to be noted that the preferred embodiments disclosed in the specification and the accompanying drawings are not limiting the present invention; and that any construction, installation, or characteristics that is same or similar to that of the present invention should fall within the scope of the purposes and claims of the present invention.
Claims (5)
1. A large-sized compound polyurethane elastomer submarine anchor cable includes an outer layer made of polyurethane elastomer and carbon fiber mixed at a given ratio warping around aramid fiber, kevlar fiber or ultra-high-molecular-weight polyethylene, and a core rope made of synthetic fiber with high molecular malleability; the rope contained in the cable exposed out of both ends of the cable being each made in a loop and provided with one or multiple layers of sheath wrapping around the rope at where closer to a tie on each end.
2. The large-sized compound polyurethane elastomer submarine anchor cable of claim 1 , wherein the sheath is related to carbon fiber, kelvar fiber or ultra-high-molecular-weight polyethylene fiber.
3. The large-sized compound polyurethane elastomer submarine anchor cable of claim 1 , wherein the polyurethane elastomer is heated and vulcanized at the same time when incorporated with ultra-high-molecular-weight polyethylene (DYNEEMA) fiber.
4. The large-sized compound polyurethane elastomer submarine anchor cable of claim 1 , wherein the rope is made of synthetic fiber with high molecular malleability including nylon, nylon 66 or polyester rope.
5. The large-sized compound polyurethane elastomer submarine anchor cable of claim 1 , wherein the rope is made in a form of consistently distributed self-locking loop braided in alternative lamination fashion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/331,127 US20070163429A1 (en) | 2006-01-13 | 2006-01-13 | Large-sized compound polyurethane elastomer submarine anchor cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/331,127 US20070163429A1 (en) | 2006-01-13 | 2006-01-13 | Large-sized compound polyurethane elastomer submarine anchor cable |
Publications (1)
Publication Number | Publication Date |
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US20070163429A1 true US20070163429A1 (en) | 2007-07-19 |
Family
ID=38261917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/331,127 Abandoned US20070163429A1 (en) | 2006-01-13 | 2006-01-13 | Large-sized compound polyurethane elastomer submarine anchor cable |
Country Status (1)
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104610725A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高明企业服务有限公司 | Method for extruding enhanced polyurethane cable shroud material |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4058049A (en) * | 1976-03-22 | 1977-11-15 | Bech Johan H | Anchor rope |
US4312260A (en) * | 1978-09-22 | 1982-01-26 | Rhone-Poulenc-Textile | Flexible cable |
US5207363A (en) * | 1988-04-29 | 1993-05-04 | Mag Instrument, Inc. | Lanyard |
US5322049A (en) * | 1992-12-07 | 1994-06-21 | Dunlap Patrick J | Tensionable member for an archery bow and method of construction |
US6099961A (en) * | 1997-05-07 | 2000-08-08 | Petroleo Brasileiro S.A.-Petrobras | Synthetic cable provided with protection against soil ingress |
US6250193B1 (en) * | 1996-12-02 | 2001-06-26 | A & P Technology, Inc. | Braided structure with elastic bias strands |
US20030005681A1 (en) * | 2001-07-02 | 2003-01-09 | Xinhua (Sam) He | Construction and process of all-plastic cables for power and manual driving applications |
US6899050B1 (en) * | 2003-11-05 | 2005-05-31 | Yun-Peng Huang | Flexible anchoring rope |
-
2006
- 2006-01-13 US US11/331,127 patent/US20070163429A1/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4058049A (en) * | 1976-03-22 | 1977-11-15 | Bech Johan H | Anchor rope |
US4312260A (en) * | 1978-09-22 | 1982-01-26 | Rhone-Poulenc-Textile | Flexible cable |
US5207363A (en) * | 1988-04-29 | 1993-05-04 | Mag Instrument, Inc. | Lanyard |
US5322049A (en) * | 1992-12-07 | 1994-06-21 | Dunlap Patrick J | Tensionable member for an archery bow and method of construction |
US6250193B1 (en) * | 1996-12-02 | 2001-06-26 | A & P Technology, Inc. | Braided structure with elastic bias strands |
US6099961A (en) * | 1997-05-07 | 2000-08-08 | Petroleo Brasileiro S.A.-Petrobras | Synthetic cable provided with protection against soil ingress |
US20030005681A1 (en) * | 2001-07-02 | 2003-01-09 | Xinhua (Sam) He | Construction and process of all-plastic cables for power and manual driving applications |
US6899050B1 (en) * | 2003-11-05 | 2005-05-31 | Yun-Peng Huang | Flexible anchoring rope |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104610725A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高明企业服务有限公司 | Method for extruding enhanced polyurethane cable shroud material |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |