EP2822867B1 - Sachet à soufflets latéraux constitué d'un tissu composite en matière synthétique et son procédé de fabrication - Google Patents

Sachet à soufflets latéraux constitué d'un tissu composite en matière synthétique et son procédé de fabrication Download PDF

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Publication number
EP2822867B1
EP2822867B1 EP13703630.7A EP13703630A EP2822867B1 EP 2822867 B1 EP2822867 B1 EP 2822867B1 EP 13703630 A EP13703630 A EP 13703630A EP 2822867 B1 EP2822867 B1 EP 2822867B1
Authority
EP
European Patent Office
Prior art keywords
tube
material web
gusset
plastic fabric
bag
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.)
Not-in-force
Application number
EP13703630.7A
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German (de)
English (en)
Other versions
EP2822867B2 (fr
EP2822867A1 (fr
Inventor
Detlef Stöppelmann
Jochen Brauer
Jens Kösters
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.)
Mondi Halle GmbH
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Mondi Halle GmbH
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Filing date
Publication date
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Application filed by Mondi Halle GmbH filed Critical Mondi Halle GmbH
Publication of EP2822867A1 publication Critical patent/EP2822867A1/fr
Publication of EP2822867B1 publication Critical patent/EP2822867B1/fr
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Publication of EP2822867B2 publication Critical patent/EP2822867B2/fr
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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
    • B65D29/02—Sacks with laminated or multiple walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/88—Printing; Embossing
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/10—Bags or like containers made of paper and having structural provision for thickness of contents with gusseted sides
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/18—End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • B31B2155/0012—Flexible containers made from webs by folding webs longitudinally having their openings facing in the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2170/00—Construction of flexible containers
    • B31B2170/20—Construction of flexible containers having multi-layered walls, e.g. laminated or lined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
    • B31B70/266—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement involving gusset-forming

Claims (15)

  1. Procédé de fabrication d'un sac à plis latéraux,
    dans lequel une bande de matériau est acheminée,
    dans lequel la bande de matériau est formée en un tuyau (12) de manière à ce que les sections périphériques de la bande de matériau se chevauchent et à ce qu'une première face de la bande de matériau forme la surface interne et une seconde face de la bande de matériau la surface externe du tuyau (12),
    dans lequel, dans la zone de chevauchement (10), la première face associée à la section périphérique se trouvant à l'extérieur de la bande de matériau est raccordée par une colle (11) à la seconde face associée à la section périphérique se trouvant à l'intérieur de la bande de matériau afin de fermer le tuyau (12) au niveau de sa circonférence,
    dans lequel le tuyau fermé (12) est ensuite acheminé à un dispositif de pliage (13) grâce auquel un tuyau plat à plis latéraux (1) présentant des parois frontales opposées (3a, 3b), des plis latéraux insérés entre celles-ci (4a, 4b) et des arêtes de pliage (5) est formé entre les parois frontales (3a, 3b) et les plis latéraux de manière à ce que le tuyau à plis latéraux (1) présente respectivement au niveau des plis latéraux (4a, 4b) quatre épaisseurs et deux épaisseurs de bande de matériau entre les plis latéraux,
    dans lequel le tuyau à plis latéraux (1) est réalisé de manière à ce que la zone de chevauchement (10) soit disposée du moins partiellement dans une section formée de quatre épaisseurs de bande de matériau du tuyau à plis latéraux (1) et
    dans lequel des morceaux de tuyau sont séparés du tuyau à plis latéraux (1) pour former des sacs à plis latéraux individuels,
    caractérisé en ce que, pour former le sac à plis latéraux à partir d'un composite de tissu synthétique (2), la bande de matériau acheminée est constituée d'un tissu synthétique (7) et d'au moins une couche fermée de matière plastique.
  2. Procédé selon la revendication 1, caractérisé en ce que la bande de matériau est constituée par plaquage du tissu synthétique (7) avec un film (6), le tissu synthétique (7) formant la surface de la première face et le film (6) la surface de la seconde face de la bande de matériau.
  3. Procédé selon la revendication 2, caractérisé en ce que le film (6) et le tissu synthétique (7) sont assemblés par un plaquage par coextrusion.
  4. Procédé selon une des revendications 1 à 3, caractérisé en ce qu'une extrémité ouverte des morceaux de tuyau est enroulée et fixée à l'état enroulé.
  5. Procédé selon la revendication 4, caractérisé en ce que l'extrémité enroulée est fixée par un ruban adhésif repositionnable (16).
  6. Procédé selon une des revendications 1 à 5, caractérisé en ce que la zone de chevauchement (10) est disposée au niveau d'une des parois frontales (3a, 3b) de manière à ce qu'un bord extérieur (17) associé à la section périphérique extérieure de la bande de matériau se trouve à une distance de moins de 80 mm de l'arête de pliage la plus proche (5).
  7. Procédé selon une des revendications 1 à 5, caractérisé en ce que la zone de chevauchement (10) est disposée au niveau d'un des plis latéraux (4a, 4b).
  8. Procédé selon une des revendications 1 à 7, caractérisé en ce que le tuyau fermé (12) est réalisé à plat avec deux lignes de pliage latérales (14), le tuyau (12) étant ensuite transformé en tuyau à plis latéraux (1) de manière à ce que les lignes de pliage (14) soient respectivement disposées au niveau d'une des arêtes de pliage (5) du tuyau à plis latéraux (1).
  9. Procédé selon une des revendications 1 à 9, caractérisé en ce que la formation du tuyau (12) dans la bande de matériau, la fermeture de la bande de matériau dans la zone de chevauchement (10) et la formation du tuyau à plis latéraux (1) ont lieu sur une chaîne circulant en continu.
  10. Procédé selon la revendication 9, caractérisé en ce qu'une vitesse d'avancement de la chaîne s'élève à au moins 70 m/min.
  11. Procédé selon une des revendications 1 à 10, caractérisé en ce que des morceaux de tuyau ayant respectivement une longueur comprise entre 700 mm et 1200 mm sont découpés dans le tuyau à plis latéraux (1).
  12. Sac à plis latéraux posé à plat constitué d'un matériau de sac et présentant des parois frontales opposées (3a, 3b) avec des plis latéraux (4a, 4b) insérés entre celles-ci, des arêtes de pliage (5) entre les parois frontales (3a, 3b) et les plis latéraux (4a, 4b) et une zone de chevauchement (10) au niveau de laquelle des sections périphériques du matériau de sacs sont raccordées entre elles pour former une suture longitudinale, les plis latéraux (4a, 4b) s'étendant respectivement au maximum sur un tiers de la largeur des parois frontales (3a, 3b) et la zone de chevauchement (10) étant disposée au niveau d'une des parois frontales (3a, 3b) en dehors du centre du moins partiellement sur un des plis latéraux (4a, 4b) ou au niveau d'un des plis latéraux (4a, 4b), caractérisé en ce que le matériau de sacs et un composite de tissu synthétique (2) présente un tissu synthétique (7) et au moins une couche de matière plastique fermée.
  13. Sac à plis latéraux posé à plat selon la revendication 12, caractérisé en ce qu'un bord extérieur (17) situé à l'extérieur au niveau de la zone de chevauchement du composite de tissu synthétique (2) se trouve à une distance de moins de 80 mm de l'arête de pliage la plus proche (5).
  14. Sac à plis latéraux posé à plat selon la revendication 12 ou 13, caractérisé en ce que le composé de tissu synthétique (2) a un grammage compris entre 100 g/m2 et 150 g/m2.
  15. Sac à plis latéraux posé à plat selon une des revendications 12 à 14, 20 caractérisé en ce que le composé de tissu synthétique (7) est constitué de bandes ayant respectivement une largeur de bande comprise entre 2 mm et 4 mm.
EP13703630.7A 2012-03-07 2013-02-13 Sachet à soufflets latéraux constitué d'un tissu composite en matière synthétique et son procédé de fabrication Not-in-force EP2822867B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012101932A DE102012101932A1 (de) 2012-03-07 2012-03-07 Seitenfaltenbeutel aus einem Kunststoffgewebeverbund sowie Verfahren zu seiner Herstellung
PCT/EP2013/052899 WO2013131727A1 (fr) 2012-03-07 2013-02-13 Sachet à soufflets latéraux constitué d'un tissu composite en matière synthétique et son procédé de fabrication

Publications (3)

Publication Number Publication Date
EP2822867A1 EP2822867A1 (fr) 2015-01-14
EP2822867B1 true EP2822867B1 (fr) 2016-04-13
EP2822867B2 EP2822867B2 (fr) 2020-01-22

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ID=47683781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13703630.7A Not-in-force EP2822867B2 (fr) 2012-03-07 2013-02-13 Sachet à soufflets latéraux constitué d'un tissu composite en matière synthétique et son procédé de fabrication

Country Status (7)

Country Link
US (1) US9758279B2 (fr)
EP (1) EP2822867B2 (fr)
CA (1) CA2866195C (fr)
DE (1) DE102012101932A1 (fr)
ES (1) ES2574658T5 (fr)
MX (1) MX342728B (fr)
WO (1) WO2013131727A1 (fr)

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CA2866195C (fr) 2019-02-12
CA2866195A1 (fr) 2013-09-12
US9758279B2 (en) 2017-09-12
EP2822867B2 (fr) 2020-01-22
MX2014010649A (es) 2015-04-13
MX342728B (es) 2016-10-11
WO2013131727A1 (fr) 2013-09-12
ES2574658T3 (es) 2016-06-21
ES2574658T5 (es) 2020-07-15
DE102012101932A1 (de) 2013-09-12
EP2822867A1 (fr) 2015-01-14
US20150030265A1 (en) 2015-01-29

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