EP0150702B2 - Cordage de fils, filés ou retors issus de matière textile fibreuse - Google Patents

Cordage de fils, filés ou retors issus de matière textile fibreuse Download PDF

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Publication number
EP0150702B2
EP0150702B2 EP84890232A EP84890232A EP0150702B2 EP 0150702 B2 EP0150702 B2 EP 0150702B2 EP 84890232 A EP84890232 A EP 84890232A EP 84890232 A EP84890232 A EP 84890232A EP 0150702 B2 EP0150702 B2 EP 0150702B2
Authority
EP
European Patent Office
Prior art keywords
rope
yarns
core
twists
monofilaments
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.)
Expired - Lifetime
Application number
EP84890232A
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German (de)
English (en)
Other versions
EP0150702A2 (fr
EP0150702A3 (en
EP0150702B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teufelberger GmbH
Original Assignee
Teufelberger GmbH
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3487358&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0150702(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Teufelberger GmbH filed Critical Teufelberger GmbH
Publication of EP0150702A2 publication Critical patent/EP0150702A2/fr
Publication of EP0150702A3 publication Critical patent/EP0150702A3/de
Application granted granted Critical
Publication of EP0150702B1 publication Critical patent/EP0150702B1/fr
Publication of EP0150702B2 publication Critical patent/EP0150702B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D07B1/04—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics with a core of fibres or filaments arranged parallel to the centre line
    • 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
    • D07B2201/2089—Jackets or coverings comprising wrapped structures
    • 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
    • D07B2201/209—Jackets or coverings comprising braided structures

Definitions

  • the invention relates to a rope made of threads, yarns, twists or strands made of textile fiber material, in particular plastic fibers and an additional reinforcement made of material that has different strength properties from the fiber material.
  • Ropes made of textile fiber material are known in principle in the form of twisted or laid ropes, in the form of braided hollow ropes and also in the form of ropes in a core-sheath construction, in which the core is made of parallel or braided yarns or threads and the sheath is made of one Hose braid exists that surrounds the core.
  • the present invention is primarily concerned with industrial ropes and safety ropes, especially mountain ropes.
  • Industrial ropes can be designed as braided hollow ropes or as stranded ropes.
  • the invention is particularly concerned with industrial ropes which are guided around deflection rollers with small radii during operation and are thus exposed to strong alternating bending stresses. This leads to considerable wear even when the rope is not subject to any significant tensile loads. Rope breaks can lead to long downtimes of the machines equipped with appropriate ropes, which are associated with high costs.
  • Our own studies have shown that the relatively short service life of the known industrial ropes is decisively caused by the friction of the rope in the grooves of the guide rollers, by other abrasion stresses, by the fiber-fiber friction in the rope elements and by the fact that the alternating bending stresses and the Peel the impregnations provided for bypasses off the fibers. Hollow ropes allow a quicker and easier connection of rope ends and are therefore easier to repair, or if it is endless ropes, easier to repair or replace. On the other hand, the ropes that have been beaten up to now usually have better service life.
  • “sharp” is understood to mean edges with a radius of curvature of less than 5 mm, in particular 1 mm, which in practice corresponds to the rerouting of the mountain rope around a rock edge, then, if a corresponding impact impact occurs, a breakage or at least damage preventing further use of the rope for safety reasons can occur, even if the impact impact or tensile load is far below the otherwise permissible load standard.
  • the object of the invention is therefore to provide a rope of the type mentioned, which is to be used as an industrial rope or safety rope and which has a significantly increased service life or tear resistance in the case of alternating bending stresses and when diverting around tight radii or sharp edges.
  • a crane rope made of several stranded or braided strands is known, in which the rope elements of the same or almost the same length, i.e. strands, twists or threads, made of a plastic, in particular polyamide with low elongation at break, and the shorter ones necessary for the internal structure Rope elements, core strands, core twists or core threads made of a plastic with greater elongation at break, for example made of stretched polyamide, polyester or polypropylene and, if necessary, additionally the rope or the strands are covered with a sheath made of single-layer flexible plastic such as polyurethane, polyamide.
  • the manufacture of the rope elements from different materials is intended to ensure that approximately the same stresses occur in the high-strength, equally long rope elements when the rope is loaded, and the shorter rope elements also contribute to the tensile strength of the rope due to the higher elongation that occurs, without them already tear at relatively lower loads.
  • the service life should be increased.
  • a simple sheath has the disadvantage that it does not adhere properly to the rope or becomes cracked or flakes off after a short time.
  • the same disadvantages also occur with plastic-coated wire ropes, as are known from DE-B 1 221 926.
  • an elastic rope for securing purposes which has a braided sheath made of wires and a core made of foamable plastic material, in particular polyurethane foam, which is injected into the sheath after the sheath has been produced, the sheath preferably having one during manufacture Paint coating to ensure the necessary corrosion resistance.
  • a rope has only a low tensile strength because of the low load-bearing capacity of the core. In the event of alternating bending stresses, the core may break and the rope may become unusable. Accordingly, the area of application of the rope is mainly limited to special cases, for example as a safety rope for motor vehicles instead of guardrails.
  • the object defined in more detail above is achieved in that the threads, yarns, twists or strands lying on the outer surface of the rope or a rope core and / or the entire rope core of a core rope are wound, braided or wound with monofilaments, the monofilaments or wires have greater hardness and the same or less elongation at break than the textile fiber material.
  • the reinforcement fulfills a double function.
  • the outer hard parts form an abrasion protection by rubbing the other rope elements on pulleys u. Like. Is prevented or delayed.
  • the reinforcement holds the reinforced part together, which reduces fiber-fiber friction, prevents detachment of an impregnation under alternating stresses and also prevents the fibers from jumping off when the rope is redirected small radii or sharp corners are counteracted. It has been observed that a rope breaks during the sharp-edged diversion with simultaneous tensile load in such a way that the fibers tear one after the other.
  • the monofilaments are preferably made of nylon, Perlon, polyester, polyamide etc., optionally also of metal.
  • the reinforcement is attached in the form of braiding or braiding, a single monofilament or the like runs. as a helix around the rope element protected by it, which helix is easily bendable despite the use of a relatively rigid material.
  • a coating can also be provided for the rope according to the invention.
  • the monofilaments or wires forming the reinforcement are completely or partially embedded in the known coating or covering of the threads, yarns, twists, strands, the rope core or rope, which also means that the covering, which is made, for example, of plastic material, such as PVC, Polyamide, polyester or polyurethane or rubber-elastic material such as rubber, is better anchored to the rope and reinforced in itself than before.
  • the proportion of the monofilaments or wires forming the reinforcement is below 10%, in particular below 2%, of the rope cross-section.
  • the core consists of parallel or braided threads and the sheath consists of a tubular braid
  • the core is braided or braided over the length of the rope Provide monofilaments, the thickness of which is only a fraction of the thickness of the tubular braid.
  • An industrial rope which is braided as a hollow rope from yarns or twists, can be reinforced in such a way that the yarns or twists themselves are braided or braided from the monofilaments or wires, the thickness of which is 1-5% of the yarn or twist diameter, for example Is 0.2 mm.
  • the outer strands can each contain at least one reinforcement monofilament which replaces, is embedded in or with an outer thread, twine or outer thread runs along these threads, threads or yarns.
  • This reinforcement element or the outer thread or the like provided with it can lie at least in the region of larger parts of the rope length on the rope surface and thus additionally protect the rope from abrasion.
  • the first core 1 has a core of parallel twists 1 or fiber bundles, which could possibly also be stranded or interwoven, a sheath 2 made of a tubular braid, in which pairs of individual threads are intertwined in opposite screw lines around the core 1, and a reinforcement made of a stocking-like braiding 3 made of monofilaments, which is made of nylon or Perlon or a polyester or polyacrylic or polyamide, around the core formed from the twists 1.
  • the pairs of threads in the jacket 2 run according to eight-start screw lines, so that the jacket 2 has a check pattern that can be varied by using differently colored threads and possibly by changing the color of the threads.
  • a thread 4 which can be used as a core thread in the rope according to FIG. 1, but possibly also in a rope to be described according to FIG. 4 or 6, is itself provided with a stocking-like braiding made of monofilaments 5.
  • monofilaments 5 which have a thickness of 0.2 mm, for example, can be embedded in a covering 6 of the thread 4, which is made of rubber, PVC, polyamide or polyurethane.
  • the hollow rope according to FIG. 4 is produced similarly to the sheath of the rope according to FIG. 1 by intertwining pairs of threads 7 according to multi-start screw lines, wherein these threads can be constructed like according to FIGS. 2 and 3 or also according to FIG. 5.
  • a braiding with monofilaments 8 or wires attached in multi-course opposing screw lines is again provided on the outside of the thread.
  • the core twist 9 and the remaining outer twists 10 consist of the same textile material.
  • An outer thread 11 is replaced by a monofilament or reinforced with an embedded monofilament, which comes to rest at least in regions on the outer surface of the finished rope and thus additionally protects the rope from abrasion.
  • outer threads 10 immediately and to provide monofilaments 12 running in individual or all gaps between the outer threads 10.

Landscapes

  • Ropes Or Cables (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Tires In General (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (6)

  1. Cordage en fils (2), filés, retors (1, 7) ou torons (9 - 11) de matière textile fibreuse, en particulier de fibres synthétiques, et comprenant une armature supplémentaire (3, 5, 8, 11) d'une matière ayant des caractéristiques de résistance qui différent de celles de la matière fibreuse, caractérisé en ce que les fils, filés, retors (4, 7) ou torons (9 - 11) situés à la surface externe du cordage ou d'une aine de cordage et/ou l'ensemble de l'âme de cordage (1) d'un cordage à âme sont entourés ou est entouré par des monofilaments (3, 5, 8) enroulés, tressés ou guipés, les monofilaments ou les fils métalliques ayant une plus grande dureté et un allongement à la rupture égal ou plus faible que la matière textile fibreuse.
  2. Cordage selon la revendication 1, caractérisé en ce que les monofilaments (5) ou les fils métalliques formant l'armature sont noyés complètement ou partiellement dans un revêtement (6) en lui-même connu, ou une ouverture en elle-même connue, des retors (4), des torons, de l'âme du cordage ou du cordage (figure 3).
  3. Cordage selon la revendication 1 ou 2, caractérisé en ce que la partie de la section du cordage formée par les monofilaments (3, 5, 8, 11, 12) constituant l'armature est inférieure à 10 %, de préférence inférieure à 2 %.
  4. Cordage selon une des revendications 1 à 3, caractérisé en ce que, au cas où il est réalisé comme un cordage de sécurité, en particulier commc une corde pour la montagne (figure 1) selon une construction âme-cnveloppe, dans laquelle l'âme est formée de rotors (1) ou de faisceaux de fibres parallèles ou tressés et l'enveloppe (2) est constituée par une gaine tressée, l'âme est pourvue d'un tressage (3) ou d'un guipage réalisé avec les monofilaments, s'étendant en continu sur tout la longueur du cordage et dont l'épaisseur représente seulement une fraction de l'épaisseur des éléments de la gaine tressée (2).
  5. Cordage selon une des revendications 1 à 3, caractérisé en ce qu'il est réalisé comme un cordage creux (figure 4) par tressage de filés ou de retors (7) présentant eux-mêmes un tressage ou un guipage de monofilaments (8) ou dc fils métalliques, dont l'épaisseur représente de 1 à 5 % du diamètre des filés ou des retors.
  6. Cordage selon une des revendications 1 à 5, caractérisé en ce que, parmi les torons constituant le cordage toronné ou tressé (figure 6) et qui sont eux-mêmes composés de fils, filés ou retors (9, 10), les torons périphériques présentent chacun au moins un monofilment d'armature (11, 12) qui remplace un fil, retors (10) ou filé périphérique, qui est noyé ou encastré dans un ou plusieurs de ces fils, retors ou filés périphériques ou qui forme un élément intercalaire de ces fils, retors ou filés.
EP84890232A 1984-02-01 1984-11-28 Cordage de fils, filés ou retors issus de matière textile fibreuse Expired - Lifetime EP0150702B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT31784 1984-02-01
AT317/84 1984-02-01

Publications (4)

Publication Number Publication Date
EP0150702A2 EP0150702A2 (fr) 1985-08-07
EP0150702A3 EP0150702A3 (en) 1987-04-29
EP0150702B1 EP0150702B1 (fr) 1989-07-05
EP0150702B2 true EP0150702B2 (fr) 1996-10-02

Family

ID=3487358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84890232A Expired - Lifetime EP0150702B2 (fr) 1984-02-01 1984-11-28 Cordage de fils, filés ou retors issus de matière textile fibreuse

Country Status (6)

Country Link
US (1) US4640178A (fr)
EP (1) EP0150702B2 (fr)
AT (1) ATE44395T1 (fr)
CA (1) CA1247471A (fr)
DE (1) DE3478865D1 (fr)
FI (1) FI78129C (fr)

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DE1510114A1 (de) † 1964-03-06 1970-01-02 Kautschuk Kunststoff Gmbh Elastisches Seil,insbesondere fuer Sicherungszwecke
FR2166695A5 (en) † 1972-01-04 1973-08-17 Seine & Lys Mountaineering rope - includes high and low elasticity components
DE2222312A1 (de) † 1972-05-06 1973-11-22 Battelle Institut E V Hochbelastbares kunststoffseil
DE2455273A1 (de) † 1974-11-22 1976-05-26 Felten & Guilleaume Carlswerk Kranseil aus kunststoff

Also Published As

Publication number Publication date
DE3478865D1 (en) 1989-08-10
FI78129B (fi) 1989-02-28
EP0150702A2 (fr) 1985-08-07
ATE44395T1 (de) 1989-07-15
EP0150702A3 (en) 1987-04-29
FI850402L (fi) 1985-08-02
US4640178A (en) 1987-02-03
CA1247471A (fr) 1988-12-28
EP0150702B1 (fr) 1989-07-05
FI78129C (fi) 1989-06-12
FI850402A0 (fi) 1985-01-30

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