EP4367305A1 - Élingue ronde - Google Patents

Élingue ronde

Info

Publication number
EP4367305A1
EP4367305A1 EP22741255.8A EP22741255A EP4367305A1 EP 4367305 A1 EP4367305 A1 EP 4367305A1 EP 22741255 A EP22741255 A EP 22741255A EP 4367305 A1 EP4367305 A1 EP 4367305A1
Authority
EP
European Patent Office
Prior art keywords
fabric
threads
weft threads
round sling
warp
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.)
Granted
Application number
EP22741255.8A
Other languages
German (de)
English (en)
Other versions
EP4367305B1 (fr
EP4367305C0 (fr
Inventor
Volker Hombach
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.)
Spanset Gesellschaft fuer Transportsysteme und Technische Baender mbH
Original Assignee
Spanset Gesellschaft fuer Transportsysteme und Technische Baender mbH
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 Spanset Gesellschaft fuer Transportsysteme und Technische Baender mbH filed Critical Spanset Gesellschaft fuer Transportsysteme und Technische Baender mbH
Publication of EP4367305A1 publication Critical patent/EP4367305A1/fr
Application granted granted Critical
Publication of EP4367305B1 publication Critical patent/EP4367305B1/fr
Publication of EP4367305C0 publication Critical patent/EP4367305C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0035—Protective fabrics
    • D03D1/0043—Protective fabrics for elongated members, i.e. sleeves
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D03D11/02—Fabrics formed with pockets, tubes, loops, folds, tucks or flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/573—Tensile strength
    • 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
    • D07B2201/2088—Jackets or coverings having multiple layers
    • 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
    • D07B2201/20903—Jackets or coverings comprising woven 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
    • D07B2201/2092—Jackets or coverings characterised by the materials used
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/16—Auxiliary apparatus
    • D07B7/165—Auxiliary apparatus for making slings
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial

Definitions

  • the invention relates to a round sling for lifting loads.
  • Round slings have an inner layer that absorbs a load.
  • the inner scrim also known as the core, is formed from an endless winding of a large number of parallel support threads and is provided with a protective sleeve in the form of a textile tube that surrounds the inner scrim with a radial degree of freedom.
  • the protective tube is a textile fabric woven from warp and weft threads, the warp threads running in the longitudinal direction (L) or longitudinal extension of the protective tube being made of fibers or yarns with a low tear strength in relation to their high tear strength
  • Extensibility exist and whose weft threads have a high elongation capacity in relation to their tear strength. They consist, for example, of stretch fibers or stretch yarns, as disclosed in DE 102011 052 146 A1 and also in FR 2959 223 A1.
  • the warp threads in the composite fabric can be easily moved and the hose tends to form holes.
  • These tissue expansions or tissue openings represent weak points, since foreign bodies or similar bodies can penetrate the protective hose there. It can also be the case that threads that are exposed in this way are detached from the fabric composite as a result of external influences.
  • the object of the invention is to optimize the disadvantage of the tissue expansion or the tissue opening under load in the case of a protective hose as described above.
  • the round sling according to the invention has the following features.
  • the round sling consists of an inner scrim that absorbs a load, with the inner scrim being formed from an endless winding of a plurality of carrying threads running essentially parallel to one another, so-called yarn wraps, and a protective sleeve in the form of a textile protective tube surrounding the inner scrim with a radial degree of freedom, the protective tube on and off is a textile fabric woven with warp and weft threads, the textile fabric consisting of a multi-layer fabric, the fabric layers of which each have the warp threads running in the longitudinal direction (L), also known as the longitudinal extension, of the protective hose and made of fibers or yarns with a low stretch capacity in relation to their high tear strength exist and which are essentially transverse to the longitudinal direction, in the transverse direction Q and Weft threads running transversely to the warp threads therefore have a high elongation capacity in relation to their tear strength, with the fabric layers of the multi-layer fabric being connected to one another by further weft threads running transverse
  • the further weft threads as connecting threads connect the warp threads of the multi-layer fabric in such a way that there is a crossing with warp threads, for example also with each warp thread, of the multi-layer fabric.
  • the elongation capacity of the further weft threads is equal to or less than the elongation capacity of the weft threads of the multi-layer fabric.
  • weft threads and other weft threads are spoken of in the plural, then only a single weft thread or another weft thread of a spool of the device for producing the protective hose can be meant within the meaning of the invention, or also threads from several spools.
  • an elastic extensibility is always meant within the meaning of the invention. It's about elastic stretching.
  • the length of the weft threads and/or the further weft threads can be stretched in the elastic range by 180 percent or more, for example, in a preferred embodiment up to 250 percent, which is meant by high stretchability.
  • the high elongation capacity of the weft threads and/or the other weft threads is therefore 1.8 to 2.5 times in the elastic range. It should be mentioned that the person skilled in the art is also aware that the extensibility of the protective hose is also influenced by the extensibility of the weft threads and that the weft density, the type of weave and the type of crossing of the threads also have an influence on the possess elasticity.
  • the weft threads and/or the further weft threads can consist of an elastane fiber wrapped with polyester, of a high-performance fiber spun with an elastic fiber or of another suitable material.
  • the protective tube has two layers of fabric which, in the case of an asymmetrical structure of the protective tube, have different numbers, but at least one further weft thread per weave repeat.
  • a combination of one or more connecting threads as additional weft threads is also within the scope of the invention in order to achieve different properties of the layers in terms of stretch behavior and compactness and to align this with the properties required of the protective tube.
  • the solution according to the invention creates a more closed tissue structure, so that a tissue expansion or a tissue opening of the protective tube of the round sling is reduced under load. This reduces the formation of holes and the risk of foreign objects getting in.
  • FIG. 1 shows a schematic representation of a fabric of a protective tube of a round sling in a relaxed state, with the other weft threads crossing each warp thread of the two fabric layers.
  • 1.1 shows a schematic representation of the fabric of a protective tube of a round sling in a tensioned state, with the other weft threads crossing each warp thread of the two fabric layers.
  • FIG. 2 shows a schematic representation of another fabric of a protective tube of a round sling in a relaxed state, with the other weft threads floating over three warp threads of the two fabric layers before they cross the layers.
  • 2.1 shows a schematic representation of another fabric of a protective tube of a round sling in a tensioned state, with the other weft threads floating over three warp threads of the two fabric layers before they cross the layers.
  • the multi-layer fabric consists of only two layers of fabric.
  • the respective elastic weft threads 1 and 1' form a first fabric layer 2 in combination with the warp threads 3/1 to 3/4.
  • the elastic weft threads 1'' and 1''' form another layer with the warp threads 3/5 to 3/8 Fabric layer 4.
  • the warp threads 3 of the first fabric layer 2 and the further fabric layer 4 run in the longitudinal direction L, ie in the direction of the longitudinal course of the round sling.
  • the weft threads 1' to 1'''' run in the transverse direction Q, transverse to the longitudinal direction L of the round loop.
  • the first and the further fabric layer 2, 4 are connected by further ones elastic weft threads 5, which also run in the transverse direction Q, Fig. 1.
  • the first and the further fabric layer 2, 4 expand under transverse loading according to FIG. 1.1.
  • the gaps between the warp threads 3/1 to 3/4 of the first fabric layer 2 that normally occur in a single-layer, transversely elastic fabric are now covered with the warp threads 3/5 to 3/8 of the other fabric layer 4 and are thus completely or at least partially filled.
  • the warp threads lying on top of one another tend to arrange themselves next to one another due to the tension of the other weft threads 5, FIG. 1.1.
  • the warp threads 3/1 to 3/8 are therefore in the arrangement 3/5, 3/1, 3/6, 3/2, 3/7, 3/3, 3/8 after the protective tube of the round sling has been stretched in the transverse direction Q and 3/4.
  • FIGS. 2 and 2.1 shows a further exemplary embodiment of the round sling according to the invention, with part of a protective tube of the round sling being shown schematically as part of a textile fabric in FIGS. 2 and 2.1 as well as in FIGS. 1 and 1.2.
  • a representation of a cross-section of the round sling as such with its inner layer, which is formed from a plurality of support threads running essentially parallel in the longitudinal direction L as an endless winding, with the inner layer being surrounded and enclosed with a radial degree of freedom by the protective tube as a textile fabric, is not given, since this is known to the person skilled in the art, it is based on the prior art described above.
  • the additional weft threads 5 show an example of a different arrangement of the additional weft threads 5 in the fabric of the protective tube of the round sling, the fabric also being multi-layered and consisting of the first and additional fabric layers 2, 4 and, apart from the insertion of the additional weft threads 5, being the same as first embodiment according to FIGS. 1 and 1.1 is formed.
  • the additional elastic weft threads 5 float over three warp threads 3 before they cross with the fabric layers, which, compared to the arrangement in Fig. 1, which provides for a cross with each warp thread, leads to less strong integration and thus greater stretchability of the Fabric of the protective tube of the round sling allows in the transverse direction Q, which is shown in Fig. 2.1.
  • the warp threads 3/1 to 3/8 are in the same arrangement in the transverse direction Q as shown in FIG. 1.1 and explained above.
  • the further weft threads 5 can also be floated over two or more warp threads 3 before they cross over with the fabric layers.
  • the expansion behavior of the fabric of the protective tube of the round sling is also influenced by the insertion frequency of the other weft threads 5, so that in addition to a double weft, the insertion of the other weft threads 5 can also be suspended over several weft threads, so that the expansion behavior of the protective tube in the transverse direction Q can be achieved. This depends on the respective requirements that are placed on the round sling according to the invention.
  • the advantageous effect according to the invention decreases with increasing elongation of the protective hose in the transverse direction Q, so that if the round sling is overloaded, a hole-forming expansion of the multi-layer fabric of the protective hose can be expected, which can also be an indication of an overload, so that the specialist can handle the The round sling must be interrupted immediately if such an indication is given.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Woven Fabrics (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

L'invention concerne une élingue ronde pour soulever des charges, composée d'un non-tissé interne porte-charge, lequel non-tissé interne est formé à partir d'un rouleau continu d'une pluralité de fils de support s'étendant sensiblement parallèlement les uns aux autres, et d'un manchon de protection sous la forme d'un tube de protection textile entourant le non-tissé interne avec un degré de liberté radial, le tube de protection étant un tissu textile tissé à partir de fils de chaîne et de trame. Le tissu textile est composé d'un tissu tissé multicouche dans lequel chacune des couches de tissu tissé a des fils de chaîne qui s'étendent dans la direction longitudinale (L) ou une étendue longitudinale du tube de protection et qui sont composés de fibres ou de fils ayant une faible capacité d'extension par rapport à leur résistance à la traction élevée, et les fils de trame s'étendant transversalement à la direction longitudinale ayant une capacité d'extension élevée par rapport à leur résistance à la traction, les couches de tissu tissé du tissu tissé multicouche ayant des fils de trame supplémentaires s'étendant transversalement à la direction longitudinale qui ont une capacité d'extension élevée par rapport à leur résistance à la traction.
EP22741255.8A 2021-07-06 2022-07-05 Élingue ronde Active EP4367305B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021003473.2A DE102021003473A1 (de) 2021-07-06 2021-07-06 Rundschlinge
PCT/EP2022/068584 WO2023280849A1 (fr) 2021-07-06 2022-07-05 Élingue ronde

Publications (3)

Publication Number Publication Date
EP4367305A1 true EP4367305A1 (fr) 2024-05-15
EP4367305B1 EP4367305B1 (fr) 2026-01-21
EP4367305C0 EP4367305C0 (fr) 2026-01-21

Family

ID=82493892

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22741255.8A Active EP4367305B1 (fr) 2021-07-06 2022-07-05 Élingue ronde

Country Status (7)

Country Link
US (1) US12325937B2 (fr)
EP (1) EP4367305B1 (fr)
JP (1) JP2024527369A (fr)
KR (1) KR20240025036A (fr)
AU (1) AU2022307937A1 (fr)
DE (1) DE102021003473A1 (fr)
WO (1) WO2023280849A1 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1373457A (en) * 1919-10-03 1921-04-05 Manning J Smith Power-transmission belt
US4015641A (en) * 1975-07-16 1977-04-05 Johnson & Johnson Cushioned narrow woven tubular fabric
DE69121662T2 (de) * 1990-10-18 1997-01-23 Nippon Oil Co Ltd Mehrschichtiges schlauchartiges Gewebe und Verfahren zu dessen Herstellung
DE9209857U1 (de) 1992-07-22 1992-10-29 Westdeutscher Drahtseil-Verkauf Dolezych GmbH & Co KG, 4600 Dortmund Rundschlinge
DE9214173U1 (de) * 1992-10-21 1993-01-28 Spanset Inter Ag, Oetwil Am See Rundschlinge als textiles Hebeband
US7628435B1 (en) * 2005-02-16 2009-12-08 Murdock Webbing Co., Inc. Web section, round sling made from the web section, and method of making the round sling
US8163362B2 (en) * 2008-02-29 2012-04-24 Ykk Corporation Of America Line of sight hose cover
FR2959223B1 (fr) 2010-04-26 2018-11-23 Pms International Elingue de levage
DE102011052146B3 (de) 2011-07-26 2013-01-03 Spanset Inter Ag Rundschlinge zum Heben von Lasten
US8869841B2 (en) * 2011-10-20 2014-10-28 New Horizon Elastic Fabric Co., Ltd Fabric straps with tubular structure containing free-floating yarns and varied width
US10786053B2 (en) * 2014-06-17 2020-09-29 Apple Inc. Woven material including double layer construction
DE102017127067A1 (de) 2017-11-17 2019-05-23 Mbg Techbelt Innovation Gmbh Schutzschlauch für Zurrgurte und Vorrichtung zur Ladungssicherung
DE202017107079U1 (de) 2017-11-22 2017-11-29 Westdeutscher Drahtseil-Verkauf Dolezych Gmbh & Co. Kg Schutzelement

Also Published As

Publication number Publication date
DE102021003473A1 (de) 2023-01-12
US20240287713A1 (en) 2024-08-29
EP4367305B1 (fr) 2026-01-21
JP2024527369A (ja) 2024-07-24
AU2022307937A1 (en) 2024-02-22
KR20240025036A (ko) 2024-02-26
US12325937B2 (en) 2025-06-10
WO2023280849A1 (fr) 2023-01-12
EP4367305C0 (fr) 2026-01-21

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