EP3872255A1 - Wire rope with reflective tape, wire rope with fluorescent tape, and cable-type traffic barrier - Google Patents
Wire rope with reflective tape, wire rope with fluorescent tape, and cable-type traffic barrier Download PDFInfo
- Publication number
- EP3872255A1 EP3872255A1 EP18938199.9A EP18938199A EP3872255A1 EP 3872255 A1 EP3872255 A1 EP 3872255A1 EP 18938199 A EP18938199 A EP 18938199A EP 3872255 A1 EP3872255 A1 EP 3872255A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire rope
- tape
- reflective tape
- cable
- reflective
- 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.)
- Withdrawn
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/148—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising marks or luminous elements
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/06—Continuous barriers extending along roads or between traffic lanes essentially made of cables, nettings or the like
-
- 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
- D07B2201/2087—Jackets or coverings being of the coated type
-
- 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
- D07B2201/2093—Jackets or coverings characterised by the materials used being translucent
-
- 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
- D07B2201/2094—Jackets or coverings characterised by the materials used being luminescent or reflective
-
- 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
- D07B2501/2015—Construction industries
Definitions
- This invention relates to a wire rope with a reflective tape, a wire rope with a fluorescent tape, and a cable-type traffic barrier having the same.
- Traffic barriers such as guardrails are used as facilities to enhance road safety.
- a traffic barrier is a facility in the form of a fence installed along a roadway in order to prevent a travelling vehicle from deviating to an oncoming lane, a sidewalk, etc., and is basically a facility in which a beam or a rope is supported by posts along the roadway.
- One of the traffic barriers is a cable-type traffic barrier with a wire rope stretched between posts.
- One of the requirements for the cable-type traffic barrier is to improve visibility of the wire rope at nighttime, etc.
- Patent Document 1 a prior art related to a wire rope used for a cable-type traffic barrier is disclosed in Patent Document 1.
- Patent Document 1 Japan Patent No. 6368449
- Patent Document 1 discloses a wire rope in which a resin wire is spirally wound along a recess between strands, and describes that a luminous material is included in the resin wire. According to the above, visibility of the wire rope at nighttime, etc. can be considered as improved to a certain extent.
- the object of this invention is to provide a wire rope improved in visibility of the wire rope at nighttime, etc.
- a wire rope with a reflective tape in which the reflective tape is wound around an outer periphery of the wire rope, further having an outer periphery thereof covered with a protection layer formed from a translucent material.
- a wire rope with a fluorescent tape in which the fluorescent tape is wound around an outer periphery of the wire rope, further having an outer periphery thereof covered with a protection layer formed from a translucent material.
- a cable-type traffic barrier including at least one of the wire rope with the reflective tape of Configuration 1 or the wire rope with the fluorescent tape of Configuration 2.
- the wire rope with a reflective tape According to the wire rope with a reflective tape, the wire rope with a fluorescent tape, and the cable-type traffic barrier provided therewith, visibility of the wire rope at nighttime, etc. can be improved due to the reflective tape (or the fluorescent tape) emitting light stronger than a luminous material when the light hits a headlight, etc.
- Fig. 1 is a schematic view showing a wire rope with reflective tape of an embodiment according to this invention
- Fig. 2 shows a cross-section of the wire rope with reflective tape.
- a transparent resin tube protection layer formed of translucent member
- a wire rope with reflective tape 10 of this embodiment has a wire rope 11 (3 ⁇ 7 wire rope in this embodiment) having a reflective tape 12 wound spirally around an outer periphery of the wire rope 11, with an outer periphery thereof further covered with a transparent resin tube (protection layer formed of translucent member) 13.
- the reflective tape 12 may be any reflective tape, such as a bead type or a prism type; however, it is preferable to have enough flexibility to be wound around the wire rope.
- the reflective tape 12 is spirally wound around the outer periphery of the wire rope 11.
- the reflective tape 12 may be adhered to the wire rope 11 by having an adhesive layer or using an adhesive, etc., or may be simply wound without being adhered, etc. to the wire rope 11.
- the reflective tape 12 is wound spirally in the same direction as the twisting direction of the wire rope 11; however, the twisting direction of the wire rope 11 and the spiral direction of the reflective tape 12 can be opposite.
- the transparent resin tube 13 protects the wire rope 11 and the reflective tape 12, and is a tube made of a transparent resin in this embodiment.
- the wire rope 11 having the reflective tape 12 wound is inserted into the transparent resin tube 13 to form the wire rope with reflective tape 10.
- a transparent heat-shrinkable tube may be used, and after the wire rope 11 having the reflective tape 12 wound thereto is inserted, heat may be applied for adherence.
- FIG. 3 is a diagram schematically showing a cable-type traffic barrier.
- a cable-type traffic barrier 100 is provided with terminal posts 103 installed at both ends thereof, intermediate posts 102, and wire ropes supported by each post along a roadway.
- the wire rope with reflective tape 10 As the wire rope. Namely, according to the wire rope with reflective tape 10 of this embodiment, since the light of a headlight of a vehicle, etc. is reflected by the reflective tape 12, the wire rope has high luminance and excellent visibility as compared to those with a resin wire including the luminous material as disclosed in Patent Document 1.
- the resin wire forms a projection in the cross-sectional shape as shown in Fig. 2 , etc. of Patent Document 1.
- a projection is likely to be damaged during construction or vehicle contact, and the resin wire is easily broken. If the thickness of the resin wire is reduced, it is possible to reduce formation of the projection of the resin wire in the cross-sectional shape. However, the reduced thickness of the resin wire causes a problem where the effect of improving visibility is reduced.
- Patent Document 1 The resin wire of Patent Document 1 is likely to be broken as mentioned above, and if the resin wire is cut even at one location, the resin wire may be loosened from such a point and may fall off.
- the wire rope with reflective tape 10 of this embodiment is covered with the transparent resin tube 13 as a protection layer, damage or breakage of the reflective tape 12 is reduced, and even if a local breakage occurs, the reflective tape 12 does not loosen and fall off therefrom.
- the wire rope with reflective tape 10 of this embodiment visibility of the wire rope at nighttime, etc. is improved by winding the reflective tape 12. Further, due to being covered with the transparent resin tube 13, the reflective tape 12 is prevented from being damaged or falling off.
- the wire rope with reflective tape 10 is used for a cable-type traffic barrier as an example.
- the present invention is not limited thereto, and the wire rope with reflective tape 10 can be used for various applications.
- the wire rope with reflective tape 10 may be used for all the wire ropes, or the wire rope with reflective tape 10 may only be partially used.
- the use of the wire rope with reflective tape 10 for the topmost wire rope is considered to have a great effect of improving visibility.
- the reflective tape is wound; however, a fluorescent tape may be wound. Further, both of the reflective tape and the fluorescent tape may be wound, and a light-accumulating tape may further be wound.
- a retroreflective tape may be used as the reflective tape.
- the transparent resin tube 13 is used as the protection layer.
- the wire rope may be coated with resin, etc. (any coating method can be used).
- Any winding manner can be used for winding the reflective tape around the wire rope.
- Fig. 4 shows another example of the wire rope with reflective tape (protection layer not shown).
- Fig. 4(a) shows as an example a wire rope with reflective tape 10' wound with two reflective tapes 12'.
- the area of the reflecting surface can be easily adjusted by adjusting the width of the reflective tape, the number of the tapes to be wound, or the pitch of winding.
- the surface of the wire rope may be covered almost entirely with the reflective tape by applying narrower pitches.
- the reflective tape is spirally wound as an example.
- this invention is not limited thereto, and for example, as shown in Fig. 4(b) , the wire rope with reflective tape 10" may be wound with a reflective tape 12" in a ring-like manner.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Ropes Or Cables (AREA)
- Road Signs Or Road Markings (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
- This invention relates to a wire rope with a reflective tape, a wire rope with a fluorescent tape, and a cable-type traffic barrier having the same.
- Traffic barriers such as guardrails are used as facilities to enhance road safety. A traffic barrier is a facility in the form of a fence installed along a roadway in order to prevent a travelling vehicle from deviating to an oncoming lane, a sidewalk, etc., and is basically a facility in which a beam or a rope is supported by posts along the roadway.
- One of the traffic barriers is a cable-type traffic barrier with a wire rope stretched between posts. One of the requirements for the cable-type traffic barrier is to improve visibility of the wire rope at nighttime, etc.
- In this regard, a prior art related to a wire rope used for a cable-type traffic barrier is disclosed in Patent Document 1.
- [Patent Document 1]
Japan Patent No. 6368449 - Patent Document 1 discloses a wire rope in which a resin wire is spirally wound along a recess between strands, and describes that a luminous material is included in the resin wire. According to the above, visibility of the wire rope at nighttime, etc. can be considered as improved to a certain extent.
- However, since light emission by light accumulation is not so strong and weakens with the lapse of time, there is a limit in terms of improving visibility of the wire rope. Further, in some cases, for example, a road in a mountainous area, etc. hardly receives light depending on the season or the condition of the installation environment, and from this aspect, there is a limit in improving the visibility of the wire rope.
- In addition, in the case where the resin wire is wound along the concave portion between the strands as disclosed in Patent Document 1, there is a risk that the resin wire may be cut due to friction, etc. during construction or contact with vehicles, and if the resin wire is cut even at one location, the resin wire may be loosened from such a point and may fall off.
- In view of the above, the object of this invention is to provide a wire rope improved in visibility of the wire rope at nighttime, etc.
- A wire rope with a reflective tape, in which the reflective tape is wound around an outer periphery of the wire rope, further having an outer periphery thereof covered with a protection layer formed from a translucent material.
- A wire rope with a fluorescent tape, in which the fluorescent tape is wound around an outer periphery of the wire rope, further having an outer periphery thereof covered with a protection layer formed from a translucent material.
- A cable-type traffic barrier including at least one of the wire rope with the reflective tape of Configuration 1 or the wire rope with the fluorescent tape of Configuration 2.
- According to the wire rope with a reflective tape, the wire rope with a fluorescent tape, and the cable-type traffic barrier provided therewith, visibility of the wire rope at nighttime, etc. can be improved due to the reflective tape (or the fluorescent tape) emitting light stronger than a luminous material when the light hits a headlight, etc.
-
- [
Fig. 1] Fig. 1 shows a wire rope with reflective tape (protection layer not shown) of an embodiment according to this invention. - [
Fig. 2] Fig. 2 is a cross-sectional view of a wire rope with reflective tape of the embodiment. - [
Fig. 3] Fig. 3 shows a cable-type traffic barrier. - [
Fig. 4] Fig. 4 shows another example of a wire rope with reflective tape (protection layer not shown). - The embodiment of this invention is described concretely below together with the drawings. Incidentally, the embodiment given below is one of the embodiments upon embodying this invention and is not intended to limit the invention within such a scope.
-
Fig. 1 is a schematic view showing a wire rope with reflective tape of an embodiment according to this invention, andFig. 2 shows a cross-section of the wire rope with reflective tape. For convenience of illustration, inFig. 1 , a transparent resin tube (protection layer formed of translucent member) provided on an outermost layer is omitted. - As shown in
Figs. 1 and 2 , a wire rope withreflective tape 10 of this embodiment has a wire rope 11 (3×7 wire rope in this embodiment) having areflective tape 12 wound spirally around an outer periphery of thewire rope 11, with an outer periphery thereof further covered with a transparent resin tube (protection layer formed of translucent member) 13. - While a 3×7
wire rope 11 is used as an example in this embodiment, a wire rope of any configuration can be used. - The
reflective tape 12 may be any reflective tape, such as a bead type or a prism type; however, it is preferable to have enough flexibility to be wound around the wire rope. - The
reflective tape 12 is spirally wound around the outer periphery of thewire rope 11. Thereflective tape 12 may be adhered to thewire rope 11 by having an adhesive layer or using an adhesive, etc., or may be simply wound without being adhered, etc. to thewire rope 11. - In this embodiment, an example is given where the
reflective tape 12 is wound spirally in the same direction as the twisting direction of thewire rope 11; however, the twisting direction of thewire rope 11 and the spiral direction of thereflective tape 12 can be opposite. - The
transparent resin tube 13 protects thewire rope 11 and thereflective tape 12, and is a tube made of a transparent resin in this embodiment. Thewire rope 11 having thereflective tape 12 wound is inserted into thetransparent resin tube 13 to form the wire rope withreflective tape 10. - As the
transparent resin tube 13, a transparent heat-shrinkable tube may be used, and after thewire rope 11 having thereflective tape 12 wound thereto is inserted, heat may be applied for adherence. -
Fig. 3 is a diagram schematically showing a cable-type traffic barrier. A cable-type traffic barrier 100 is provided withterminal posts 103 installed at both ends thereof,intermediate posts 102, and wire ropes supported by each post along a roadway. - Visibility of the wire rope of the cable-type traffic barrier at nighttime, etc. is improved by using the wire rope with
reflective tape 10 as the wire rope. Namely, according to the wire rope withreflective tape 10 of this embodiment, since the light of a headlight of a vehicle, etc. is reflected by thereflective tape 12, the wire rope has high luminance and excellent visibility as compared to those with a resin wire including the luminous material as disclosed in Patent Document 1. - Further, in winding the resin wire around the wire rope as in Patent Document 1, the resin wire forms a projection in the cross-sectional shape as shown in
Fig. 2 , etc. of Patent Document 1. Such a projection is likely to be damaged during construction or vehicle contact, and the resin wire is easily broken. If the thickness of the resin wire is reduced, it is possible to reduce formation of the projection of the resin wire in the cross-sectional shape. However, the reduced thickness of the resin wire causes a problem where the effect of improving visibility is reduced. - On the other hand, since the wire rope with
reflective tape 10 of this embodiment uses thereflective tape 12, the above-described problem can be reduced. - The resin wire of Patent Document 1 is likely to be broken as mentioned above, and if the resin wire is cut even at one location, the resin wire may be loosened from such a point and may fall off.
- On the other hand, since the wire rope with
reflective tape 10 of this embodiment is covered with thetransparent resin tube 13 as a protection layer, damage or breakage of thereflective tape 12 is reduced, and even if a local breakage occurs, thereflective tape 12 does not loosen and fall off therefrom. - As described above, according to the wire rope with
reflective tape 10 of this embodiment, visibility of the wire rope at nighttime, etc. is improved by winding thereflective tape 12. Further, due to being covered with thetransparent resin tube 13, thereflective tape 12 is prevented from being damaged or falling off. - In this embodiment, the wire rope with
reflective tape 10 is used for a cable-type traffic barrier as an example. However, the present invention is not limited thereto, and the wire rope withreflective tape 10 can be used for various applications. - When the wire rope with
reflective tape 10 is used for the cable-type traffic barrier, the wire rope withreflective tape 10 may be used for all the wire ropes, or the wire rope withreflective tape 10 may only be partially used. - For example, when only one wire rope with
reflective tape 10 is used, the use of the wire rope withreflective tape 10 for the topmost wire rope is considered to have a great effect of improving visibility. - In this embodiment, an example is given where the reflective tape is wound; however, a fluorescent tape may be wound. Further, both of the reflective tape and the fluorescent tape may be wound, and a light-accumulating tape may further be wound.
- A retroreflective tape may be used as the reflective tape.
- In this embodiment, the
transparent resin tube 13 is used as the protection layer. However, it is sufficient as long as light can be transmitted and capable of coating the wire rope as a protection layer. For example, the wire rope may be coated with resin, etc. (any coating method can be used). - Any winding manner can be used for winding the reflective tape around the wire rope.
-
Fig. 4 shows another example of the wire rope with reflective tape (protection layer not shown). - For example, the number of the reflective tapes to be wound around the wire rope is arbitrary, and
Fig. 4(a) shows as an example a wire rope with reflective tape 10' wound with two reflective tapes 12'. - The area of the reflecting surface can be easily adjusted by adjusting the width of the reflective tape, the number of the tapes to be wound, or the pitch of winding. For example, the surface of the wire rope may be covered almost entirely with the reflective tape by applying narrower pitches.
- In this embodiment, the reflective tape is spirally wound as an example. However, this invention is not limited thereto, and for example, as shown in
Fig. 4(b) , the wire rope withreflective tape 10" may be wound with areflective tape 12" in a ring-like manner. -
- 10 wire rope with reflective tape
- 11 wire rope
- 12 reflective tape
- 13 transparent resin tube (protection layer formed by translucent material)
- 100 cable-type traffic barrier
Claims (3)
- A wire rope with a reflective tape, wherein the reflective tape is wound around an outer periphery of the wire rope, further having an outer periphery thereof covered with a protection layer formed from a translucent material.
- A wire rope with a fluorescent tape, wherein the fluorescent tape is wound around an outer periphery of the wire rope, further having an outer periphery thereof covered with a protection layer formed from a translucent material.
- A cable-type traffic barrier comprising at least one of the wire rope with the reflective tape of claim 1 or the wire rope with the fluorescent tape of claim 2.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2018/039146 WO2020084653A1 (en) | 2018-10-22 | 2018-10-22 | Wire rope with reflective tape, wire rope with fluorescent tape, and cable-type traffic barrier |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3872255A1 true EP3872255A1 (en) | 2021-09-01 |
EP3872255A4 EP3872255A4 (en) | 2022-07-27 |
Family
ID=70330983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18938199.9A Withdrawn EP3872255A4 (en) | 2018-10-22 | 2018-10-22 | Wire rope with reflective tape, wire rope with fluorescent tape, and cable-type traffic barrier |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210381161A1 (en) |
EP (1) | EP3872255A4 (en) |
JP (1) | JPWO2020084653A1 (en) |
EA (1) | EA202190730A1 (en) |
WO (1) | WO2020084653A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD1009672S1 (en) * | 2021-04-22 | 2024-01-02 | M-R Products, Inc. | Reflective chain insert |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB556747A (en) * | 1942-04-16 | 1943-10-20 | Fine Cotton Spinners & Doubler | Improvements in and relating to rope |
US2382355A (en) * | 1942-09-03 | 1945-08-14 | Jr Richard F Warren | Luminous rope |
JPS5441049Y2 (en) * | 1977-10-06 | 1979-12-03 | ||
JPS5810919U (en) * | 1981-07-14 | 1983-01-24 | 品川電線株式会社 | fluorescent plastic rope |
JPS6289313U (en) * | 1985-11-27 | 1987-06-08 | ||
JPH0610396U (en) * | 1992-07-14 | 1994-02-08 | 三榮製綱株式会社 | Luminous rope |
JPH07138923A (en) * | 1993-11-15 | 1995-05-30 | Igeta Seiko Kk | Guard rope |
US6355349B2 (en) * | 1998-04-23 | 2002-03-12 | Jeffrey J. Chizmas | Reflectively enhanced coated cable |
JP2000120648A (en) * | 1998-10-14 | 2000-04-25 | Asahi Intecc Co Ltd | Wire rope |
US7204206B2 (en) * | 2004-07-28 | 2007-04-17 | Nite Glow Industries, Inc. | Abrasion resistant omnidirectionally reflective pet leash |
US7331311B2 (en) * | 2004-07-28 | 2008-02-19 | Nite Glow Industries, Inc. | Abrasion resistant omnidirectionally reflective rope |
KR101280035B1 (en) * | 2011-07-29 | 2013-06-28 | (주)광명바이오산업 | safety rope for climbing |
CN206815240U (en) * | 2017-06-05 | 2017-12-29 | 中铁建设集团市政工程有限公司 | A kind of high highway anticollision device, collision-prevention device of intensity |
JP6368449B1 (en) | 2017-12-26 | 2018-08-01 | 理研興業株式会社 | Wire rope with resin wire, resin wire winding die and method of manufacturing wire rope with resin wire |
KR20190080330A (en) * | 2017-12-28 | 2019-07-08 | 이재문 | Rope |
-
2018
- 2018-10-22 US US17/286,945 patent/US20210381161A1/en not_active Abandoned
- 2018-10-22 EP EP18938199.9A patent/EP3872255A4/en not_active Withdrawn
- 2018-10-22 WO PCT/JP2018/039146 patent/WO2020084653A1/en unknown
- 2018-10-22 JP JP2020551717A patent/JPWO2020084653A1/en active Pending
- 2018-10-22 EA EA202190730A patent/EA202190730A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP3872255A4 (en) | 2022-07-27 |
JPWO2020084653A1 (en) | 2021-10-07 |
EA202190730A1 (en) | 2021-09-30 |
US20210381161A1 (en) | 2021-12-09 |
WO2020084653A1 (en) | 2020-04-30 |
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