WO2004079085A1 - Cable metallique - Google Patents

Cable metallique Download PDF

Info

Publication number
WO2004079085A1
WO2004079085A1 PCT/EP2003/050145 EP0350145W WO2004079085A1 WO 2004079085 A1 WO2004079085 A1 WO 2004079085A1 EP 0350145 W EP0350145 W EP 0350145W WO 2004079085 A1 WO2004079085 A1 WO 2004079085A1
Authority
WO
WIPO (PCT)
Prior art keywords
rope
wires
metal
metal rope
stainless steel
Prior art date
Application number
PCT/EP2003/050145
Other languages
English (en)
Inventor
Jan Calleeuw
Daniël DAUWE
Original Assignee
N.V. Bekaert S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by N.V. Bekaert S.A. filed Critical N.V. Bekaert S.A.
Priority to AU2003303746A priority Critical patent/AU2003303746A1/en
Publication of WO2004079085A1 publication Critical patent/WO2004079085A1/fr

Links

Classifications

    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B1/00Constructional features of ropes or cables
    • D07B1/16Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/162Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/20Rope or cable components
    • D07B2201/2001Wires or filaments
    • D07B2201/201Wires or filaments characterised by a coating
    • D07B2201/2012Wires or filaments characterised by a coating comprising polymers
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/20Rope or cable components
    • D07B2201/2083Jackets or coverings
    • D07B2201/2092Jackets or coverings characterised by the materials used
    • D07B2201/2093Jackets or coverings characterised by the materials used being translucent

Definitions

  • the present invention relates to a metal rope comprising wires having a surface of stainless steel, e.g. stainless steel wires. At least one of the wires that are exposed to the surface of the rope is coated with a transparent polymer.
  • the present invention also relates to a fabric comprising a decorative metal rope and to the use of such a metal rope in architectural and decorative applications.
  • Metal ropes comprising stainless steel wires are known in the art. They are frequently used in applications where a good anti-corrosion protection is important.
  • a metal rope with wires having a surface of stainless steel Some of these wires are exposed to the surface of the rope, other wires are located at the center of the rope and are not exposed to the surface of the rope.
  • the number of wires that is exposed to the surface of the rope is equal to m.
  • Some wires of these m wires exposed to the surface of the rope are coated with a transparent polymer.
  • the number of wires coated is equal to n, whereby 1 ⁇ n ⁇ m.
  • the transparent polymer is preferably selected from the group consisting of thermoplastic polyesters, polyimides, polyamides and polyphtalamides, or a copolymer thereof.
  • a wire exposed to the surface of the rope coated with a transparent polymer is hereafter referred to as "colored wire”.
  • a wire with a surface of stainless steel can be a common stainless steel wire or can be a wire with a metal core, e.g. a core of plain carbon steel with an external layer of cladded stainless steel.
  • thermoplastic polyester is used as polymer.
  • Thermoplastic polyester has the advantage of giving a good adhesion with the stainless steel wire and of having a low degree of moisture absorption.
  • the good adhesion level is obtained without pickling treatment on the stainless steel wire so that the initial bright aspect of the stainless steel wire is not reduced.
  • the low degree of absorption further guarantees that this bright aspect is kept for a long time.
  • thermoplastic polyester is preferably selected from the group consisting of polyethylene terephtalate, polybutylene terephtalate, polyethylene naphtenate or any copolymer comprising polyethylene terephtalate, polybutylene terephtalate or polyethylene naphtenate.
  • the transparent polymer comprises a transparent organic coloring agent, which can be added to the polymer in the form of small grains in a carrier of a similar or same polymer.
  • a transparent organic coloring agent which can be added to the polymer in the form of small grains in a carrier of a similar or same polymer.
  • This embodiment offers the advantage of various colors depending upon the concentration and type of coloring agent : metallic like colors and fluorescent colors may be applied to the stainless steel wire in this way.
  • the coloring agent together with the transparency of the polymer and the bright aspect of the stainless steel wires give to the wire a typical metallic look.
  • an additional polymer coating is applied on the colored wire.
  • This additional polymer coating comprises for example a thermoplastic polyester coating or a polyurethane coating.
  • the additional polymer coating may be transparent or colored.
  • the rope according to the invention may be a single-strand rope, i.e. a rope comprising only one strand, or a multi-strand rope, i.e. a rope comprising more than one strand.
  • the rope can be further embedded in a coating of a polymer coating.
  • This polymer coating may for example be applied on the rope by an extrusion process.
  • the polymer coating comprises for example a thermoplastic polyester coating or a polyurethane coating.
  • the polymer coating may be transparent or colored.
  • One advantage of embedding a rope according to the present invention in a polymer coating is that the friction of the rope may be reduced.
  • Another reason to apply a polymer coating to a rope according to the present invention is to keep the rope, and more particularly the cavities created between the wires or the strands of the rope, free of dust particles.
  • a fabric comprising a metal rope according to the first aspect of the invention.
  • This fabric may be a woven structure or a knitted structure.
  • the metal rope according to the present invention may form the warp, or the weft or both the warp and the weft.
  • Other embodiments of woven structures comprise ropes comprising colored wires of a certain color in the warp direction and ropes comprising colored wires of another color in the weft direction.
  • Further embodiments of woven fabrics comprise a pattern made by using metal ropes according to the present invention.
  • a metal rope according to the invention can be used in the structural field, i.e. in the building and architectural field.
  • a metal rope according to the invention is also suitable to be used as a decorative rope.
  • a first application is the use of the metal rope as stay rope or stay strand for suspension bridges with a high span length of support.
  • the individual steel wires of the metal rope often have diameters exceeding
  • Metal ropes for this application often comprise more than one strand of twisted wires.
  • a second application is the use of the metal rope as stay rope or stay strand for roof support or for outside wall support. Roofs for sport stadium, sport halls, airport buildings, exposition halls can be suspended on such metal ropes. The possible application of various colors is also more important in this second application than in the first application.
  • a third application is the use of the metal rope for stays and supports of antennas and masts.
  • a rope according to the present invention can for example be used in jewelry rope, necklaces, bracelets, buckles and other fashion articles.
  • the metal rope according to the invention can be applied for the suspension of lighting apparatus, for the building of stands at expositions and exhibitions, for the interior and exterior design of shops, suspension or lifting of objects in theaters.
  • the wire diameter is usually much smaller than the wire diameter of ropes used in the architectural field.
  • the fabric comprising the colored wire rope may also have various building and decorative applications.
  • the fabric may be used as a railing or balustrade for terraces, balconies, stairs and bridges.
  • the fabric may function as a ceiling in public buildings.
  • the fabric may be used as a decorative woven structure for inner or outer walls or for curtains.
  • the fabric can even be used in furniture, for example as the seat or the back of chairs such as garden chairs.
  • FIGURE 1 shows a cross-section of a multi-strand metal rope according to the invention
  • FIGURE 2 shows a cross-section of a first embodiment of a colored wire of a metal rope according to the invention
  • FIGURE 3 shows a cross-section of a second embodiment of a colored wire of a metal rope according to the invention
  • - FIGURE 4a en FIGURE 4b show the cross-section of a single- strand metal rope according to the invention
  • FIGURE 5 illustrates a longitudinal view of an end of a metal rope according to the invention
  • FIGURE 6 illustrates an application of a metal rope according to the invention in the decorative field;
  • FIGURES 7, 8 and 9 are lop views of woven structures according to the second aspect of the present invention
  • FIGURES 10, 11a and 11 b and 12 are cross-sectional views of woven structures according to the second aspect of the present invention
  • FIGURE 13 is a top view of a knitted structure according to the second aspect of the present invention.
  • FIGURE 1 shows a cross-section of a metal rope 10 according to the first aspect of the present invention.
  • the metal rope 10 is a multi-strand rope.
  • a core strand 12 is surrounded by six layer strands 14.
  • the core strand 12 comprises seven stainless steel wires 16.
  • Each layer strand 14 comprises seven stainless steel wires.
  • the six wires 18 are each individually exposed to the surface of the wire rope 10 due to the twisting of the strand 14. At least one of these six wires 18, wire 19, is provided with a transparent polyester coating to which a transparent organic coloring agent has been added. As the wires 19 are twisted in the strands of the rope they are giving the rope a unique eye-pleasant appearance.
  • only one strand of the multi-strand rope comprises a colored wire.
  • FIGURE 2 shows a cross-section of a first embodiment of a colored wire
  • the stainless steel core 20 is provided with a polyester coating 22.
  • FIGURE 3 shows a cross-section of a second embodiment of a colored wire 19.
  • This wire may have a core of plain carbon steel 24.
  • the core may have a core of plain carbon steel 24.
  • the cladded wire 24 is cladded with a stainless steel 26.
  • the cladded wire is then provided with a polyester coating 22.
  • Wire rope 10 of FIGURE 1 has a 7x7 construction. Other embodiments and constructions of ropes are possible.
  • Another interesting multi-strand construction is for example a 7 x 19 construction.
  • the diameter of the rope may range between broad limits such as from 0.50 mm to 180.0 mm, e.g. from 0.50 mm to 60.0 mm, and depends largely upon the application, the greater diameters being used in the architectural and building field.
  • FIGURE 4a shows a cross-section of a single-strand construction of a metal rope 10 according to the invention.
  • a construction is also called a spiral strand. It consists of up to eleven layers of stainless steel wires.
  • the wires 16, which are not exposed to the surface, are left blank.
  • One of the wires 18 which are exposed to the surface of the rope is provided with a transparent polyester coating to which a transparent organic coloring agent has been added.
  • the colored wire is indicated with number 19. As the colored wire 19 is present in the rope as a spiral, this colored wire is giving the rope a unique eye-pleasant appearance.
  • a number of wires 18 exposed to the surface of the rope are replaced with a colored wire.
  • every sixth wire exposed to the surface of the rope is a colored wire.
  • the different colored wires may have the same color or may have different colors.
  • the diameter of the individual wires may vary between 0.30 mm and 8.0 mm, e.g. between 0.40 mm and 5.0 mm.
  • the thickness of the polyester coating on the final steel wire 18 may range from 20 micrometer ( ⁇ m) to 150 ⁇ m.
  • the minimum values are imposed by reason of providing a sufficient abrasion resistance.
  • the maximum values are imposed by reasons of cost and by reasons of maintaining a sufficient level of transparency.
  • Typical stainless steel compositions for the stainless steel are according to norms AISI 302, AISI 304 and AISI 316.
  • FIGURE 4b shows the cross-section of the single-strand rope of figure 4a on which an additional polymer coating 40 is applied.
  • FIGURE 5 illustrates an end of a metal rope 10 according to the invention.
  • the end of the metal rope is clamped into an end piece 30 in the form of a fork to enable to attach the metal rope 10 to a construction, roof, wall etc...
  • FIGURE 6 illustrates an application of a metal rope 10 within the decorative field.
  • the metal rope 10 forms the essential part of a stand 31.
  • Tension sleeves 32 tension and fix the wire rope 10 to the base floor.
  • the wire rope is guided over a guiding wheel 34 fixed to a wall.
  • Distant keepers 36 take care that an appropriate distance is kept between two parts of the wire rope 10.
  • a rack bottom plate 38 rests on supports 40, which are attached to the metal rope 10.
  • FIGURES 7 to 13 all illustrate woven structures 144 according to the second aspect of the present invention.
  • steel cords 10 form the warp whereas synthetic yarns 146 such as aramide form the weft. At least one of the steel cords comprise a rope 19 according to the present invention.
  • a nylon filament 148 such as nylon 940/2/2 binds the warp to the weft.
  • steel cords 10 form the weft whereas synthetic yarns 146 form the warp.
  • a number of the steel cords comprises ropes according to the present invention.
  • steel cords 10 both form the weft and the warp.
  • a nylon filament 148 holds both weft and warp together.
  • both the weft and the warp are straight steel cords 10.
  • steel cords 10 form the weft and nylon filaments 148 form the warp in an alternating zigzag way : a first nylon filament 148 goes over and under and over the steel cords 10, a second nylon filament 148 goes under and over and under the steel cords 10, etc... At least one of the steel cords 10 is replaced by a rope according to the present invention.
  • steel cords 10 form also the weft and nylon filaments 148 also form the warp in an alternating zigzag way, but here the nylon filament 148 goes over two steel cords 10, and subsequently under two steel cords 10 etc ... in other words, the pitch of the warp nylon filaments is four steel cords instead of two. At least one of the steel cords is replaced by a rope according to the present invention.
  • FIGURE 12 shows the cross-section of a so-called solid woven structure 144 which exists as such for reinforcement of conveyor belts.
  • a solid woven structure has two layers of ropes 10 as warp, and three layers of synthetic filaments 146 or steel cords as weft.
  • the ropes are for example steel cords.
  • the warp and weft layers are bound by means of nylon filaments 148.
  • At least one of the ropes 10 comprise a metal rope according to the present invention.
  • FIGURE 13 shows a fabric comprising a knitted structure 150 of ropes 10. At least one of the ropes is a rope as subject of the invention.
  • a pattern is knitted into the structure 150 by using ropes having different colored wires.

Landscapes

  • Ropes Or Cables (AREA)
  • Woven Fabrics (AREA)

Abstract

Un câble métallique (10) comprend des fils (16, 18). Les fils (16, 18) ont une surface en acier inoxydable. Certains fils (18) sont exposés à la surface du câble (10). Le nombre de fils qui sont exposés à la surface du câble est égal à m. Certains fils de ces m fils exposés à la surface du câble comportent un revêtement en polymère transparent. Le nombre de fils comportant un revêtement est égal à n, et 1= n < m. Le polymère transparent (22) est sélectionné dans le groupe constitué de polymères thermoplastiques, de polyimides, de polyamides et de polyphtalamides, ou de leur copolymère. L'invention concerne également une structure tissée (144) ou tricotée (150) comprenant un câble métallique de l'invention. Le câble métallique (10) peut s'utiliser en architecture, en bâtiment et dans des applications décoratives.
PCT/EP2003/050145 2002-05-13 2003-05-06 Cable metallique WO2004079085A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003303746A AU2003303746A1 (en) 2002-05-13 2003-05-06 Metal rope

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02100480 2002-05-13
EP02100480.9 2002-05-13

Publications (1)

Publication Number Publication Date
WO2004079085A1 true WO2004079085A1 (fr) 2004-09-16

Family

ID=32946835

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/050145 WO2004079085A1 (fr) 2002-05-13 2003-05-06 Cable metallique

Country Status (2)

Country Link
AU (1) AU2003303746A1 (fr)
WO (1) WO2004079085A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2519960A (en) * 2013-11-01 2015-05-13 Bridon Ltd Sheathed cable
EP2952613A3 (fr) * 2010-07-16 2016-04-27 E. I. du Pont de Nemours and Company Cordon composite et procédé de fabrication et structure de support pour un pneu contenant celui-ci
EP3672871A4 (fr) * 2017-08-22 2022-03-30 Breeze-Eastern LLC Système de treuil monté sur un aéronef ayant un câble de câble métallique à brins multiples

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111270540A (zh) * 2020-02-25 2020-06-12 江苏赛福天钢索股份有限公司 一种卷扬机式别墅用梯钢丝绳及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5263307A (en) * 1991-02-15 1993-11-23 Hokkai Koki Co., Ltd. Corrosion resistant PC steel stranded cable and process of and apparatus for producing the same
EP0864688A1 (fr) * 1997-03-13 1998-09-16 N.V. Bekaert S.A. Câble de commande avec un revêtement polymère
GB2354264A (en) * 1999-09-14 2001-03-21 Advanced Metals Internat Ltd Wirelines, wire ropes and strands made from 25% chromium super duplex stainless steel
WO2002064882A1 (fr) * 2001-02-15 2002-08-22 N.V. Bekaert S.A. Cordon metallique et etoffe comprenant ce cordon metallique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5263307A (en) * 1991-02-15 1993-11-23 Hokkai Koki Co., Ltd. Corrosion resistant PC steel stranded cable and process of and apparatus for producing the same
EP0864688A1 (fr) * 1997-03-13 1998-09-16 N.V. Bekaert S.A. Câble de commande avec un revêtement polymère
GB2354264A (en) * 1999-09-14 2001-03-21 Advanced Metals Internat Ltd Wirelines, wire ropes and strands made from 25% chromium super duplex stainless steel
WO2002064882A1 (fr) * 2001-02-15 2002-08-22 N.V. Bekaert S.A. Cordon metallique et etoffe comprenant ce cordon metallique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2952613A3 (fr) * 2010-07-16 2016-04-27 E. I. du Pont de Nemours and Company Cordon composite et procédé de fabrication et structure de support pour un pneu contenant celui-ci
GB2519960A (en) * 2013-11-01 2015-05-13 Bridon Ltd Sheathed cable
EP3672871A4 (fr) * 2017-08-22 2022-03-30 Breeze-Eastern LLC Système de treuil monté sur un aéronef ayant un câble de câble métallique à brins multiples

Also Published As

Publication number Publication date
AU2003303746A1 (en) 2004-09-28

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