EP0408467A1 - Verfahren zur Herstellung von Beuteln durch Weben - Google Patents

Verfahren zur Herstellung von Beuteln durch Weben Download PDF

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Publication number
EP0408467A1
EP0408467A1 EP90420299A EP90420299A EP0408467A1 EP 0408467 A1 EP0408467 A1 EP 0408467A1 EP 90420299 A EP90420299 A EP 90420299A EP 90420299 A EP90420299 A EP 90420299A EP 0408467 A1 EP0408467 A1 EP 0408467A1
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EP
European Patent Office
Prior art keywords
warp
threads
bodies
gauze
weft
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
EP90420299A
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English (en)
French (fr)
Other versions
EP0408467B1 (de
Inventor
Pascal Opinel
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.)
SACHERIE BORDENOUD SARL
Original Assignee
SACHERIE BORDENOUD SARL
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 SACHERIE BORDENOUD SARL filed Critical SACHERIE BORDENOUD SARL
Publication of EP0408467A1 publication Critical patent/EP0408467A1/de
Application granted granted Critical
Publication of EP0408467B1 publication Critical patent/EP0408467B1/de
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Classifications

    • 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
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
    • B65D29/04—Net-like containers made of plastics material
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/04—Sack- or bag-like articles
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D19/00—Gauze or leno-woven fabrics

Definitions

  • the present invention relates to an improvement made in the production of perforated bags making it possible to provide packaging for the storage, transport of various products and in particular of bulk products, such as food products (fruits, vegetables, etc.).
  • perforated bags are used, in the form of a closed pocket on three of its sides and open on the fourth, to allow the placement of the products and which is then closed after filling.
  • the bag is in the form of a continuous chain which is unrolled in front of the filling assembly, so that its open side is arranged opposite this zone, each bag being closed after filling and the said bags then being separated from each other along their connecting zone before being evacuated.
  • no gauze is meant the technique which, compared to a conventional warp and weft fabric, consists not only of moving the warp threads relative to the weft threads to make their connection, but also to move the warp threads with respect to each other, two by two, so that one of the so-called “tower threads” passes alternately on either side of the other thread called “warp thread”", the weft being trapped and being blocked between these two threads, which makes it possible to obtain an openwork fabric the days of which are perfectly defined, the warp threads being unable to slide relative to the weft threads.
  • Such a weaving technique of the "gauze” type has been known for a very long time and essentially consists in adapting the looms so that the warp threads can not only receive vertical movements to form the crowd, but also transverse movements to bind them. between them two by two.
  • so-called "two-body” assemblies equipped with so-called “gauze” type meshes are used for the control of the warp threads, the best known being those sold by the company GROB.
  • each body consists of two heddle frames which alternately control a "gauze” mesh through which passes a warp thread.
  • the present invention aims to remedy these drawbacks and relates to an improvement to the process which is the subject of the aforementioned Belgian patent making it possible, as mentioned above, to produce a fabric on a conventional loom equipped with a mechanism for controlling warp threads according to a "gauze" weave by producing a double fabric made up of two plies spaced apart from each other, said plies being linked to each other by respective interweaving of the warp and weft threads which compose them along the selvedges and also being linked intermittently, at determined spaces, over their entire width also by respective interweaving of the weft and warp threads which compose them.
  • connection of the two sheets woven along one of the selvedges will be designated by the expression “longitudinal connection” and that carried out at regular intervals in the width direction of the fabric, by the expression “transverse bond”.
  • the improved process according to the invention is characterized in that a conventional weaving loom is used equipped with a dobby ensuring the control of four bodies not of gauze mounted head to tail (two bodies above the warp threads, the two others below), each body consisting of two frames which alternately control a "gauze" mesh through which passes a warp thread, the supply of warp threads being obtained from a single food roller.
  • the control of the bodies not of gauze is carried out in such a way that if we consider a weave ratio in the warp direction which is of four threads, that we form an upper layer using two of these threads , one forming a chain wire, the other the lathe wire, and a lower layer with the other two, one forming the chain wire, the other the lathe wire and that, in the areas of connection, the thread of turn of the upper ply and the thread of turn of the lower ply come to cross each other around the wefts forming a strip of monolayer fabric.
  • a weaving loom which comprises, as shown schematically in FIG. 1, a supply of warp threads (1) (in the following the description, the warp threads will be designated by this reference (1) assigned an index a, b, c, d corresponding to a weave ratio) and a weft feed (2).
  • the fabric obtained is returned to (3).
  • the frames (6) are, in accordance with the invention, eight in number and are grouped respectively in the form of two upper bodies designated by the general reference (7) and two lower bodies designated by the general reference (8). In each body, the frames are grouped two by two, frames referenced (7a) and (7b) for the upper body (7) and (8b, 8c) for the lower body (8), and allow alternately to control a mesh " gauze "(9a, 9b, 9c, 9d) inside which pass the warp threads (1a, 1b, 1c, 1d) respectively.
  • the chain wire (1a) passes through the mesh (9a) of the upper body controlled by the two frames (7a)
  • the wire (1b) passes through the mesh (9b) of the lower body controlled by the two frames (8b )
  • FIG. 6 illustrates how the upper gauze fabric is made, Figure 7 how the lower fabric is formed and Figure 8 how the warp threads work to make the intermediate bonding area.
  • SC warp direction
  • FIG. 5a it can clearly be seen that in the central part, the warp and weft threads form two superimposed layers spaced from each other respectively (11) and (12) and, on either side of these spaced plies, the warp and weft threads are interconnected to form connecting zones (13,14) constituted by a monolayer fabric.
  • a rosary is obtained in the form illustrated in FIG. 3, that is to say made up of a succession of pockets (20a, 20b, 20c, 20d), each comprising two sides spaced apart (11,12) an airy fabric with gauze weave, these pockets being linked together in the weft direction (ST) by continuous strips of fabric (13,14 ). Furthermore, along one of the selvedges, for example the straight selvedge, the warp and weft threads work to form a monolayer fabric (15).

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Woven Fabrics (AREA)
  • Looms (AREA)
EP19900420299 1989-07-13 1990-06-26 Verfahren zur Herstellung von Beuteln durch Weben Expired - Lifetime EP0408467B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8909740 1989-07-13
FR8909740A FR2649728B1 (fr) 1989-07-13 1989-07-13 Procede pour la realisation de sacs par tissage et nouveau type de sacs

Publications (2)

Publication Number Publication Date
EP0408467A1 true EP0408467A1 (de) 1991-01-16
EP0408467B1 EP0408467B1 (de) 1993-08-11

Family

ID=9383943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900420299 Expired - Lifetime EP0408467B1 (de) 1989-07-13 1990-06-26 Verfahren zur Herstellung von Beuteln durch Weben

Country Status (4)

Country Link
EP (1) EP0408467B1 (de)
DE (1) DE69002710T2 (de)
ES (1) ES2043333T3 (de)
FR (1) FR2649728B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993023594A1 (de) * 1992-05-13 1993-11-25 Siveri Andras Sack aus textilem material, gewebebahn für säcke und verfahren zur herstellung einer gewebebahn
EP0716028A1 (de) * 1994-12-09 1996-06-12 NOVATEX ITALIA S.p.A. Netzband zum Herstellen von Säcken
EP0869208A1 (de) * 1997-04-03 1998-10-07 Krall & Roth Weberei GmbH & Co. KG Verfahren zum Herstellen eines Textilgebildes sowie danach hergestelltes Textilgebilde
WO2000023641A1 (de) * 1998-10-20 2000-04-27 Meininger, Susanne Drehergewebe und verfahren zum weben von insbesondere mehrlagigen geweben, speziell von säcken
FR3106598A1 (fr) * 2020-01-23 2021-07-30 Les Tissages De Charlieu Sac tissé visant à réduire le nombre de coutures

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2208025B1 (es) * 2001-10-30 2005-04-01 Polyret Textil, S.A. Maquina para tejer redes de cintas de plastico.
DE102004029793B4 (de) * 2004-06-19 2013-03-07 Bayerische Motoren Werke Aktiengesellschaft Textilstoff mit wenigstens einer Tasche
ES1068269Y (es) * 2008-06-27 2008-12-16 Pubill Marcos Guasch Bolsa
ES2354547B2 (es) * 2009-05-22 2012-04-26 Marcos Guasch Pubill Tejido y maquina para la fabricacion de bolsas.
EP2305571A1 (de) * 2008-07-22 2011-04-06 Marcos Guasch Pubill Verfahren, stoffe und maschinen zur herstellung nahtloser beutel und ähnlicher artikel
ES2345080B2 (es) * 2008-07-22 2012-05-07 Marcos Guash Pubill Procedimiento para la obtencion de bolsas y similares de tejido sin ningun cosido.
US11925275B2 (en) 2019-01-25 2024-03-12 Thurner Inc. Bag and system for use thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE531575A (de) *
FR802430A (fr) * 1936-02-26 1936-09-04 Procédé de fabrication de sacs et produit nouveau en résultant
FR2271317A1 (en) * 1973-12-21 1975-12-12 Alostery Freres Ets Sack formed from double ply woven fabric - having filament inserted in warp direction to form a tie around sack mouth

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE531575A (de) *
FR802430A (fr) * 1936-02-26 1936-09-04 Procédé de fabrication de sacs et produit nouveau en résultant
FR2271317A1 (en) * 1973-12-21 1975-12-12 Alostery Freres Ets Sack formed from double ply woven fabric - having filament inserted in warp direction to form a tie around sack mouth

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993023594A1 (de) * 1992-05-13 1993-11-25 Siveri Andras Sack aus textilem material, gewebebahn für säcke und verfahren zur herstellung einer gewebebahn
EP0716028A1 (de) * 1994-12-09 1996-06-12 NOVATEX ITALIA S.p.A. Netzband zum Herstellen von Säcken
EP0869208A1 (de) * 1997-04-03 1998-10-07 Krall & Roth Weberei GmbH & Co. KG Verfahren zum Herstellen eines Textilgebildes sowie danach hergestelltes Textilgebilde
WO2000023641A1 (de) * 1998-10-20 2000-04-27 Meininger, Susanne Drehergewebe und verfahren zum weben von insbesondere mehrlagigen geweben, speziell von säcken
FR3106598A1 (fr) * 2020-01-23 2021-07-30 Les Tissages De Charlieu Sac tissé visant à réduire le nombre de coutures

Also Published As

Publication number Publication date
FR2649728B1 (fr) 1992-01-03
FR2649728A1 (fr) 1991-01-18
DE69002710D1 (de) 1993-09-16
EP0408467B1 (de) 1993-08-11
ES2043333T3 (es) 1993-12-16
DE69002710T2 (de) 1993-11-25

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