EP0150702B1 - 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
EP0150702B1
EP0150702B1 EP84890232A EP84890232A EP0150702B1 EP 0150702 B1 EP0150702 B1 EP 0150702B1 EP 84890232 A EP84890232 A EP 84890232A EP 84890232 A EP84890232 A EP 84890232A EP 0150702 B1 EP0150702 B1 EP 0150702B1
Authority
EP
European Patent Office
Prior art keywords
rope
yarns
twists
core
strands
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
Application number
EP84890232A
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German (de)
English (en)
Other versions
EP0150702B2 (fr
EP0150702A3 (en
EP0150702A2 (fr
Inventor
Gesellschaft M.B.H. Teufelberger
Original Assignee
Teufelberger GmbH
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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(B1) "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
Publication of EP0150702B1 publication Critical patent/EP0150702B1/fr
Application granted granted Critical
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 twisted 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 There is a hose braid 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 cables which are guided around deflection pulleys with small radii during operation and are therefore exposed to strong alternating bending stresses. This leads to considerable wear even when the rope is not subject to any significant tensile loads. Rope cracks can lead to long lifetimes of the machines equipped with appropriate ropes, which are associated with high costs.
  • “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 break 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 should be used as an industrial rope or safety rope and which has a significantly increased service life or tensile strength under 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 those for the internal structure necessary shorter rope elements, core strands, core twists or core threads made of a plastic with greater elongation at break, for example 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 that 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 they have become 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, injected into the sheath after the sheath has been produced, the sheath preferably having a lacquer coating during manufacture 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 are reinforced by moving monofilaments or wires and / or these threads, yarns, twists or strands
  • the core of the rope or the entire rope is wrapped, braided or wound with monofilaments, the monofilaments or wires having greater hardness and the same or less elongation at break than the textile fiber material.
  • the reinforcement fulfills a double function.
  • the outer, harder parts form an abrasion protection by rubbing the other rope elements on pulleys and the like. is prevented or delayed.
  • the reinforcement holds the reinforced part together, which reduces the fiber-fiber friction, prevents the detachment of an impregnation under occurring alternating stresses and also the jumping of the fibers when the rope is diverted by 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 wholly or partially embedded in the known coating or sheathing of the threads, yarns, twists, strands, the rope core or rope, so that the sheath, 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 provided with braiding or braiding from the monofilaments running over the length of the rope whose thickness is only a fraction of the thickness of the hose network.
  • 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 twine diameter, for example Is 0.2 mm.
  • the outer strands can each contain at least one reinforcement monofilament which replaces an outer thread, twine or outer thread, is embedded therein or runs with these threads, twists or yarns.
  • This reinforcement element or the outer thread provided with it or the like. lies at least in the area of larger parts of the rope length on the rope surface and thus protects 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 receives 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.
  • FIG. 4 is made similar to the sheath of the rope according to FIG. 1 by intertwining pairs of threads 7 according to multi-start screw lines, which threads may be constructed as in FIGS. 2 and 3 or also in accordance with FIG. 5. 5, a braiding is again provided on the outside around the thread with monofilaments 8 or wires attached in multi-course, opposing screw lines.
  • the core twist 9 and the remaining outer twists 10 are made of the same textile material.
  • An outer thread 11 is replaced by a monofilament or reinforced with an embedded monofilament, which comes to rest on the finished surface at least in places on the finished rope and thus 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.

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 diffèrent 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 âme du cordage sont armés par des monofilaments (11,12) ou des fils métalliques intercalaires et/ou que ces fils, filés, retors (4, 7) ou torons, une âme (1) du cordage ou l'ensemble du cordage 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 couverture 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 comme une corde pour la montagne (figure 1) selon une construction âme-enveloppe, dans laquelle l'âme est formée de retors (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 toute 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 de 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 monofilament 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
AT317/84 1984-02-01
AT31784 1984-02-01

Publications (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4035814A1 (de) * 1990-11-10 1992-05-14 Techtex Bremen Gmbh Seil, insbesondere reckarmes faserseil

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CN107815905B (zh) * 2017-12-03 2019-09-06 桐乡市易知简能信息技术有限公司 一种可指示拉力的绳索
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4035814A1 (de) * 1990-11-10 1992-05-14 Techtex Bremen Gmbh Seil, insbesondere reckarmes faserseil

Also Published As

Publication number Publication date
EP0150702B2 (fr) 1996-10-02
DE3478865D1 (en) 1989-08-10
US4640178A (en) 1987-02-03
EP0150702A3 (en) 1987-04-29
FI850402L (fi) 1985-08-02
EP0150702A2 (fr) 1985-08-07
CA1247471A (fr) 1988-12-28
FI850402A0 (fi) 1985-01-30
ATE44395T1 (de) 1989-07-15
FI78129B (fi) 1989-02-28
FI78129C (fi) 1989-06-12

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