EP0546145A1 - Recipient souple pour materiaux en vrac. - Google Patents

Recipient souple pour materiaux en vrac.

Info

Publication number
EP0546145A1
EP0546145A1 EP92913756A EP92913756A EP0546145A1 EP 0546145 A1 EP0546145 A1 EP 0546145A1 EP 92913756 A EP92913756 A EP 92913756A EP 92913756 A EP92913756 A EP 92913756A EP 0546145 A1 EP0546145 A1 EP 0546145A1
Authority
EP
European Patent Office
Prior art keywords
electrically conductive
ribbon
base fabric
container according
flexible bulk
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
EP92913756A
Other languages
German (de)
English (en)
Other versions
EP0546145B1 (fr
Inventor
Peter Trepte
Josef Alteepping
Guenter Luettgens
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.)
EMPAC Verpackungs GmbH and Co
Original Assignee
EMPAC Verpackungs GmbH and Co
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 EMPAC Verpackungs GmbH and Co filed Critical EMPAC Verpackungs GmbH and Co
Publication of EP0546145A1 publication Critical patent/EP0546145A1/fr
Application granted granted Critical
Publication of EP0546145B1 publication Critical patent/EP0546145B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • D03D15/40—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 structure of the yarns or threads
    • D03D15/44—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 structure of the yarns or threads with specific cross-section or surface shape
    • D03D15/46—Flat yarns, e.g. tapes or films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B65D88/1612—Flexible intermediate bulk containers [FIBC]
    • B65D88/165—Flexible intermediate bulk containers [FIBC] with electrically conductive properties
    • 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
    • D03D15/533—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 antistatic; electrically conductive
    • 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
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
    • 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
    • D10B2401/00—Physical properties
    • D10B2401/16—Physical properties antistatic; conductive

Definitions

  • the invention relates to a flexible bulk container of the type specified in the preamble of claim 1.
  • Flexible bulk containers are used for packaging, transport, handling and storage of various bulk materials from 500 to 2000 kg each and are also used in areas where there is an increased risk of explosion.
  • explosion risks can include For example, there may be risks associated with filling a bulk goods container (FIBC) with fill explosive goods. When emptying the FIBC, in addition to a risk of dust explosion from the contents, there may also be gas explosion risks if the emptying z.3. into a container into which a flammable liquid has already been placed. In all areas of application where there is a risk of explosion from gases, vapors or dusts, electrostatically conductive bulk material containers must be used.
  • FIBC bulk goods container
  • Bulk goods containers of the type mentioned at the outset are known, in which base fabrics coated on the inside are used, in which electrically conductive metal conductors in the form of metal threads are integrated.
  • a disadvantage of these bulk containers is that these bulk containers are not made of a homogeneous material (polypropylene) and therefore cannot be recycled.
  • polypropylene polypropylene
  • a bulk material container is known from EP-OS 0 413 886, in which a base fabric made of plastic threads and electrically conductive plastic threads woven therein are used, preferably monofilaments with a dispersed conductive carbon, as is basically the case, for example, for fabrics from GB-OS 21 01 559 and DE-PS 25 24 640 are known.
  • a major disadvantage of such a bulk container is, however, that relatively small surfaces are available for deriving the electrical potential when using threads, be it in the form of fibers, monofilaments or multifilaments. If a certain surface size is to be provided for sufficient dissipation properties, the thread is extraordinarily stiff and not sufficiently flexible, so that the strength properties at the points in which the thread is woven into this fabric are adversely affected. Due to the different diameters of the base fabric threads and the electrically conductive threads, imperfections in the finished fabric cannot be avoided, which further deteriorates the strength properties of the container. The production of this known fabric is also very complex, since the same warp beam is used to weave basic fabric threads and do not allow electrically conductive threads to be processed.
  • the container should also have sufficient strength properties in the area of the integrated conductors.
  • either the ribbons of the base fabric are replaced by the electrically conductive ribbon in the warp or in the weft, or a ribbon of the base fabric is additionally provided with an electrically conductive ribbon.
  • the base fabric is therefore not weakened by the electrically conductive ribbon, since the electrically conductive ribbon adapts exactly to the base fabric structure. Due to the ribbon, a significantly larger conductive surface compared to threads is both for
  • the electrically conductive tapes provided at a maximum distance of 30 mm in the base fabric are the simplest Formation by at least one ortogonal to this running electrically conductive band in each bulk container area, ie in each side wall, the bottom surface u. Like. interconnected.
  • a flexible bulk material container made of fabric ribbons is not inherently impervious to dust penetration.
  • the fabrics are preferably provided with a polypropylene coating on the inside of the container. However, this coating prevents the charge from flowing out of the charged bulk material to the grounded conductive ones
  • Breakdown voltage of the coating is less than 4 KV.
  • Micropores in the coating in the area of the conductive ribbons enable the charged bulk material to be discharged.
  • suitable processes e.g. corona treatment
  • pores are obtained whose diameter is significantly smaller than the diameter of the smallest dust particles to be expected. This measure on the dissipative tapes arranged at a distance of 30 mm reliably prevents tuft discharges in the coated container.
  • the bulk material container can be grounded via electrically conductive lifting loops when filling and emptying.
  • Electrically conductive loops which are already known, of the bulk material containers which can be dissipated by modified synthetic resins, have at the same time the task of electrically connecting the components of the container body to one another in the bulk material container shown in FIG. 1.
  • the electrically conductive tapes consist of a plastic film material from preferably cut film web sections, which can be manufactured in a known manner by adding carbon to an electrically conductive plastic material.
  • Fig. 1 in a schematic perspective view
  • FIG. 2 in a schematic perspective view
  • FIG. 3 enlarged two cross-sectional representations through the electrical
  • Fig. 4 is a partial plan view of the
  • FIG. 5 shows a section analogous to FIG. 3 with a coating provided with micropores (enlarged).
  • the bulk goods container has, in the exemplary embodiment according to FIG. 1, a container body 2 with a rectangular cross section with four side surfaces and a floor and a ceiling area.
  • the container is to be emptied via a filler neck 3 and an outlet 4.
  • the bulk goods container 1 is to be lifted and handled by means of carrying loops 5 sewn to the side walls.
  • the bulk goods container consists of a fabric made of preferably polypropylene.
  • the container body 2 has a base fabric made of warp tapes 6 and weft tapes 7 (Fig. 4).
  • electrically conductive tapes 8 are provided at a distance a of at most 30 cm instead of a normal weft tape 7.
  • This electrically conductive ribbon 8 therefore replaces this weft ribbon without defects in the fabric.
  • the electrically conductive tapes 8 now provided at a maximum distance of 30 are crossed by chain tapes 9 provided in each container area in an electrically conductive configuration and are therefore connected to one another. Contacting can also be ensured via electrically conductive sewing thread 10 in the bottom and side areas and other places to be sewn.
  • the carrying straps 5 are made conductive in an analogous embodiment by means of electrically conductive tapes, so that the entire bulk material container is to be earthed via the carrying straps.
  • the filler neck and spout likewise consist of a flat fabric and are therefore made electrically conductive by means of electrically conductive tapes provided at a distance of 30 mm.
  • the bulk goods container shown in the exemplary embodiment according to FIG. 2 is designed as a large-volume carrying bag which consists of a round fabric.
  • An endless electrically conductive ribbon instead of a normal ribbon is integrated in the base fabric, again a distance between the electrically conductive ribbon of at most 30 mm being realized.
  • FIGS. 3 and 5 illustrates in two cross sections the manner in which the electrically conductive ribbon is integrated.
  • the ribbon 8 provided in the weft is woven in instead of a normal weft ribbon.
  • the inside of the container is provided with the coating 11 indicated in FIGS. 3 and 5, which is preferably designed as a vacuum coating.
  • this coating 11 can be provided with micropores 12 at least in the area of ribbons

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Woven Fabrics (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Surface Heating Bodies (AREA)
  • Packages (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Bag Frames (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Elimination Of Static Electricity (AREA)
  • Tubes (AREA)

Abstract

La présente invention se rapporte à un récipient souple pour matériaux en vrac (1) comportant un corps de récipient (2), lequel définit un espace de réception pour les matériaux en vrac, pouvant être rempli et vidé par exemple par l'intermédiaire d'une tubulure d'entrée/sortie (3, 4) et soulevé au moyen de sangles (5) ou similaire. Le corps de récipient est constitué d'un tissu de base, en particulier en polypropylène, de préférence revêtu, électriquement conducteur grâce à des conducteurs intégrés. Comme tissu de base est prévu un tissu de bandelettes, où dans la chaîne ou dans la trame, tous les 30 mm au maximum, à une bandelette de tissu de base (6, 7) se substitue une bandelette électriquement conductrice (8) constituant le conducteur électrique et faite d'une feuille plastique, dont la longueur transversale correspond pour l'essentiel à celle de la bandelette de tissu de base (6, 7), et/ou cette bandelette électriquement conductrice est associée à la bandelette de tissu de base (6, 7) dans une disposition qui permet la conductivité du tissu de manière homogène sur tout le récipient.
EP92913756A 1991-07-02 1992-07-02 Recipient souple pour materiaux en vrac Expired - Lifetime EP0546145B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9108091U 1991-07-02
DE9108091U DE9108091U1 (de) 1991-07-02 1991-07-02 Gewebe mit ableitenden Bändchen
PCT/EP1992/001491 WO1993001110A1 (fr) 1991-07-02 1992-07-02 Recipient souple pour materiaux en vrac

Publications (2)

Publication Number Publication Date
EP0546145A1 true EP0546145A1 (fr) 1993-06-16
EP0546145B1 EP0546145B1 (fr) 1996-06-05

Family

ID=6868846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92913756A Expired - Lifetime EP0546145B1 (fr) 1991-07-02 1992-07-02 Recipient souple pour materiaux en vrac

Country Status (9)

Country Link
US (1) US5458419A (fr)
EP (1) EP0546145B1 (fr)
JP (1) JP2977900B2 (fr)
AT (1) ATE138875T1 (fr)
DE (5) DE9108091U1 (fr)
DK (1) DK0546145T3 (fr)
ES (1) ES2090659T3 (fr)
GR (1) GR3020168T3 (fr)
WO (1) WO1993001110A1 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9313802D0 (en) * 1993-07-03 1993-08-18 Mulox Ibc Ltd Container bag
AUPM831294A0 (en) * 1994-09-21 1994-10-13 Whibar Nominees Pty Ltd Anti-static bulk bag
US5759462A (en) * 1994-10-14 1998-06-02 Amoco Corporaiton Electrically conductive tapes and process
CA2196004C (fr) * 1997-01-27 2000-01-18 Intertape Polymer Inc Canevas demontrant une resistance a la dechirure amelioree
DE19652236A1 (de) * 1996-12-16 1998-06-18 Raetz Walter Überwachungselement für den Einbau in Fördergurte
CN1077068C (zh) * 1997-07-30 2002-01-02 田中产业株式会社 用于根菜的挠性容器
DE59806326D1 (de) * 1997-08-13 2003-01-02 Bulk Bag Tec Maschinenhandelsg Transportsack aus Gewebe- und/oder Folienmaterial
DE19819562A1 (de) * 1998-04-30 1999-11-11 Empac Verpackungs Gmbh Flexibler Schüttgutbehälter
JP4689820B2 (ja) * 2000-12-28 2011-05-25 シバタ工業株式会社 フレキシブルコンテナ
BE1014426A3 (fr) 2001-10-15 2003-10-07 Farrago Sal Conteneur flexible de produits en vrac.
EP1497191B1 (fr) * 2002-04-01 2009-09-02 Ilc Dover, Inc. Dispositif de chargement a confinement souple
ATE273880T1 (de) * 2002-10-16 2004-09-15 Uensa Ambalaj Sanayi Ve Ticare Flexibler schüttgutbehälter
DE10253836B4 (de) * 2002-11-18 2009-01-15 Storsack Holding Gmbh Flexibler Schüttgutbehälter
CA2624939A1 (fr) * 2004-10-12 2006-04-27 Noble Fiber Technologies, Llc Conteneur de marchandises en vrac intermediaire flexible ayant une aptitude de decharge optimale des charges dangereuses
KR100678622B1 (ko) * 2006-03-24 2007-02-06 제일산업 주식회사 분체류를 수납하기 위한 컨테이너 백
JP4686497B2 (ja) * 2007-04-20 2011-05-25 株式会社ホクリョウ 静電気帯電防止型フレキシブルコンテナ
DE102007036914A1 (de) * 2007-08-06 2009-02-12 Martin Siegbert Containerseitenwand, Container mit einer solchen Containerseitenwand sowie Transportgutbehälter mit solchem Container
WO2011068991A1 (fr) * 2009-12-02 2011-06-09 Luzenac America, Inc. Reservoir de stockage en vrac souple a goulotte d'evacuation
CN102756867A (zh) * 2011-04-25 2012-10-31 宜兴市长风集装袋有限公司 防静电型导电集装袋
EP2921428A1 (fr) * 2014-03-21 2015-09-23 Isbir Sentetik Dokuma Sanayi Anonim Sirketi Sac de transport ayant des propriétés conductrices
DE102014010273A1 (de) * 2014-07-11 2016-01-14 Bayer Technology Services Gmbh Erdungsfähiger flexibler Schüttgutbehälter
BR112018073590B1 (pt) * 2016-05-18 2022-08-02 Mti Group Pty Ltd Forro termoplástico de compósito e método para produzir o mesmo
RU193707U1 (ru) * 2019-07-10 2019-11-11 Общество С Ограниченной Ответственностью "Транзитсервисресурс" Контейнер среднетоннажного типа для хранения и транспортировки твердых и вязких нефтепродуктов
CN113733591B (zh) * 2021-09-04 2023-05-02 沈阳时代塑编包装有限公司 一种复合塑料编织袋制作工艺

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IN150676B (fr) * 1978-02-23 1982-11-20 Tioxide Group Ltd
US4300608A (en) * 1980-05-07 1981-11-17 Bonar Industries Inc. Self-raising strap loop
US4557968A (en) * 1983-07-25 1985-12-10 Stern & Stern Textiles, Inc. Directional electrostatic dissipating fabric and method
EP0198128A3 (fr) * 1985-04-17 1990-10-10 Akzo N.V. Conteneur souple pour le transport de matériaux en vrac
DE8519765U1 (de) * 1985-07-09 1985-10-17 Gebrüder Friedrich GmbH & Co Bauservice KG, 3320 Salzgitter Transportbehälter
CH675108A5 (fr) * 1988-05-03 1990-08-31 Huemer E Unistrap Verpackung
DE3938414C2 (de) * 1989-08-19 1994-04-14 Eurea Verpackung Schüttgutbehälter aus einem gewebten Tragbeutel und daran befestigten Tragvorrichtungen
US5244281A (en) * 1992-01-10 1993-09-14 Super Sack Manufacturing Co. Static controlled collapsible receptacle

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Also Published As

Publication number Publication date
DK0546145T3 (da) 1996-10-21
ATE138875T1 (de) 1996-06-15
GR3020168T3 (en) 1996-09-30
JPH06503057A (ja) 1994-04-07
DE59206488D1 (de) 1996-07-11
DE4221380C2 (de) 1996-09-05
WO1993001110A1 (fr) 1993-01-21
DE9108091U1 (de) 1991-09-12
ES2090659T3 (es) 1996-10-16
EP0546145B1 (fr) 1996-06-05
DE4221380A1 (de) 1993-03-11
DE4211711A1 (de) 1993-01-07
JP2977900B2 (ja) 1999-11-15
DE9208593U1 (de) 1992-10-29
US5458419A (en) 1995-10-17

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