EP0303732B1 - Procédé pour la fabrication d'une bande de sacs liés l'un à l'autre - Google Patents

Procédé pour la fabrication d'une bande de sacs liés l'un à l'autre Download PDF

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Publication number
EP0303732B1
EP0303732B1 EP87112832A EP87112832A EP0303732B1 EP 0303732 B1 EP0303732 B1 EP 0303732B1 EP 87112832 A EP87112832 A EP 87112832A EP 87112832 A EP87112832 A EP 87112832A EP 0303732 B1 EP0303732 B1 EP 0303732B1
Authority
EP
European Patent Office
Prior art keywords
longitudinal outer
bag
outer edge
web
bags
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 - Lifetime
Application number
EP87112832A
Other languages
German (de)
English (en)
Other versions
EP0303732A3 (en
EP0303732A2 (fr
Inventor
Fritz Brinkmann
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.)
Pacimex Verpackungen GmbH
Original Assignee
Pacimex Verpackungen GmbH
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 Pacimex Verpackungen GmbH filed Critical Pacimex Verpackungen GmbH
Priority to AT87112832T priority Critical patent/ATE69405T1/de
Priority to DE8715752U priority patent/DE8715752U1/de
Priority to DE8715841U priority patent/DE8715841U1/de
Publication of EP0303732A2 publication Critical patent/EP0303732A2/fr
Priority to US07/470,982 priority patent/US5077957A/en
Publication of EP0303732A3 publication Critical patent/EP0303732A3/de
Application granted granted Critical
Publication of EP0303732B1 publication Critical patent/EP0303732B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/06—Handles
    • B65D33/12—String handles
    • 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
    • B65D33/002—Rolls, strips or like assemblies of bags
    • 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
    • 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
    • B31B2155/0014—Flexible containers made from webs by folding webs longitudinally having their openings facing transversally to 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813—Applying closures
    • B31B70/8134—Applying strings; Making string-closed bags
    • B31B70/8135—Applying strings; Making string-closed bags the strings being applied in the machine direction
    • 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
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/94—Delivering singly or in succession
    • B31B70/946—Delivering singly or in succession the bags being interconnected
    • 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
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/94—Delivering singly or in succession
    • B31B70/96—Delivering singly or in succession in an overlapping arrangement

Definitions

  • the invention relates to a method for producing a web of contiguous bags according to the preamble of the main claim.
  • a disadvantage of this known method is, on the one hand, the troublesome waste in the form of the strip which arises during further processing, and on the other hand the fact that the known method is slow.
  • the invention has for its object to provide a generic method for producing a bean bag attached faster so that no additional disruptive waste.
  • the method according to the invention it is thus possible to produce a continuous web in the longitudinal direction of the bag from individual bags which are connected to one another in the overlap region.
  • This, for example, wound web of bags is drawn off in bags and the removed bag is sealed in the area of the overlap area.
  • the sealed bag is reduced to practically the same size as the other bag and at the same time closed again at its top edge when sealing.
  • the bag can either be filled from the already open side in the area of the second longitudinal outer edge, or the bag can be opened by cutting in the area of this second longitudinal outer edge and then filled. After filling, the bag can be closed by sealing parallel to the second longitudinal outer edge to form a fin base, if necessary with prior folding.
  • bags are produced using this known method, the ends of which are connected to one another in the pockets, not by means of a knot, but in another way, for example by extrusion coating using a plastic drop.
  • a deflection roller generally designated 5, is provided, around which the half-tube web, generally designated 7, is guided in the feed direction 6.
  • This is provided on the first longitudinal outer edge 8 with an inward fold 9 to form an inner edge 21.
  • the other of the two parallel to the first second longitudinal outer edge 10 runs at the open part of the semi-tubular web 7.
  • the fold 9 is attached so that the top 14 of the semi-tubular web lies further inside than the bottom 15, the edge of which forms the actual longitudinal outer edge 8.
  • the underside 15 protrudes from the upper side 14 and in turn forms the second longitudinal outer edge 10.
  • parts 12 of the semi-tubular web 7 are punched out in a semicircle at a distance of a bag width 11 (FIG. 2) together with separate rectangular punched-outs 13 in between, so that the first longitudinal outer edge is interrupted.
  • pockets 16 are formed on the upper side 14 and the underside 15 formed as a result of the fold 9, with a continuous band 17 inserted therein. so that the semi-tubular web 7 shown in FIG. 2 results, the lower pocket 16 of which projects beyond the pocket of the upper side 14 (FIG. 3).
  • the strips 17 are cut off in the area of the punched-out parts 12. The two separated adjacent ends 18, 19 of the upper side 14 and the lower side 15 of the semi-tubular web 7 are then connected to one another without knots by spraying on a plastic drop 20.
  • the semi-tubular web 7 is separated at the end by means of separating sealing seams 22 running transversely to the feed direction 6, forming an isolated pouch 23.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Bag Frames (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Claims (12)

1. Procédé pour la fabrication d'une feuille continue de sachets (23, 25) liés les uns aux autres, à partir d'une feuille continue semi-tubulaire (7) constituée d'un matériau collable et/ou scella- ble, présentant un pli (9) dirigé vers l'intérieur et doublant la première arête extérieure longitudinale (8), selon lequel :
- dans la zone de la première (8) des deux arêtes extérieures longitudinales (8, 10) courant dans le sens d'avance (6) de la feuille continue semi-tubulaire (7), tant sur le côté supérieur (14) que sur le côté inférieur (15) de la feuille continua semi-tubulaire (7), on dispose d'abord une bande continue (17) dans des poches (16) formées en continu lors de son avance et avant individualisation des sachets,
- les deux côtés (14, 15) de la feuille continue semi-tubulaire étant disposés l'un sur l'autre d'une manière libre dans la zone de la deuxième arête extérieure longitudinale (10) parallèle à la première (8),
- les bandes (17) étant ensuite découpées à la longueur voulue et leurs extrémités (18, 19) étant assemblées l'une à l'autre,
- la feuille continue semi-tubulaire (7) étant, transversalement et de préférence perpendiculairement au sens d'avance (6), découpée par scellage séquentiel pour, à chaque opération, former un sachet (23), lequel est déplacé dans une direction (24) transversale et, de préférence, perpendiculaire au sens d'avance, tous ces sachets étant reliés les uns aux autres,
caractérisé en ce que :
- la poche (16) du côté supérieur (14) ou celle (16) du côté inférieur (15) de la feuille continue semi-tubulaire (7) fait saillie par rapport à l'autre dans la direction (24) perpendiculaire au sens d'avance (6) et forme la première arête extérieure longitudinale (8),
- chaque sachet (23) découpé par scellage est, dans une direction (24) elle aussi perpendiculaire à cette direction d'avance (6), déplacé d'une longueur de sachet,
- la feuille continue semi-tubulaire (7) est ensuite déplacée d'une largeur de sachet (11) et par sa première arête extérieure longitudinale (8), vient chevaucher la deuxième arête extérieure longitudinale (10) du sachet préalablement déplacé transversalement à la direction d'avance (6) et ce sur une zone de chevauchement (26), et enfin
- dans la zone de chevauchement (26), à l'aide d'un joint de soudure (27), on assemble les deux sachets (23, 25) disposés l'un derrière l'autre dans le sens longitudinal des sachets.
2. Procédé selon la revendication 1 caractérisé en ce que c'est le côté inférieur (15) qui fait saillie pour former la première arête extérieure longitudinale (8).
3. Procédé selon la revendication 1 ou 2 caractérisé en ce que, dans la zone où le côté inférieur et le côté supérieur de la feuille continue semi-tubulaire (7) sont disposés d'une manière libre les uns sur les autres, l'un d'eux fait saillie vers l'extérieur par rapport à l'autre et forme la deuxième arête extérieure longitudinale (10).
4. Procédé selon l'une quelconque des revendications 1 à 3 caractérisé en ce que la zone de chevauchement (26) est formée sur le côté supérieur ou le côté inférieur qui est en saillie dans la zone de la première arête extérieure longitudinale (8) ainsi que sur le côté supérieur ou le côté inférieur qui est en saillie dans la zone de la deuxième arête extérieure longitudinale (10) du sachet (25) scellé et déplacé transversalement sur une longueur de sachet.
5. Procédé selon l'une quelconque des revendications 1 à 4 caractérisé en ce que :
- avant application des bandes (17) dans les poches (16) dans la zone de la première arête extérieure longitudinale (8), des parties (12) de la feuille continue semi-tubulaire (7) sont découpées à une distance (11) égale à une largeur de sachet,
- après application des bandes continues (7), celles-ci sont interrompues dans la zone de la partie découpée (12) et
- les deux extrémités voisines séparées (18, 19), celle du côté supérieur (14) et celle du côté inférieur (15) sont assemblées l'une à l'autre sans noeud.
6. Procédé selon l'une quelconque des revendications 1 à 5 caractérisé en ce que les parties découpées (12) interrompant la première arête longitudinale extérieure (8) sont triangulaires ou semi-circulaires.
7. Procédé selon la revendication 1 ou 6 caractérisé en ce que les deux extrémités séparées (18, 19) des bandes (17) sont assemblées par soudage, collage, scellage ou couture.
8. Procédé selon l'une quelconque des revendications 1 à 7 caractérisé en ce que les deux extrémités séparées (18, 19) sont assemblées grâce à la mise en place d'une goutte de plastique (20).
9. Procédé selon l'une quelconque des revendications 1 à 8 caractérisé en ce qu'entre deux parties découpées (12) successives, est exécutée une découpe distincte (13), interrompant de la première arête extérieure longitudinale (8).
10. Procédé selon la revendication 9 caractérisé en ce que la découpe distincte (13) est rectangulaire.
11. Procédé selon la revendication 9 ou 10 caractérisé en ce que la découpe distincte (13) est disposée en position centrale entre les deux parties découpées (12) successives.
12. Procédé selon l'une quelconque des revendications 1 à 11 caractérisé en ce que la feuille continue semi-tubulaire est, pour les opérations de post-traitement, enroulée ou posée à plat en zig-zag.
EP87112832A 1987-08-19 1987-09-02 Procédé pour la fabrication d'une bande de sacs liés l'un à l'autre Expired - Lifetime EP0303732B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT87112832T ATE69405T1 (de) 1987-08-19 1987-09-02 Verfahren zur herstellung einer bahn aneinanderhaengender beutel.
DE8715752U DE8715752U1 (de) 1987-08-19 1987-11-27 Bahn aneinanderhängender Beutel
DE8715841U DE8715841U1 (de) 1987-08-19 1987-11-30 Halbschlauchbahn
US07/470,982 US5077957A (en) 1987-08-19 1990-01-26 Web of interconnected bags

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP87112052 1987-08-19
EP87112052A EP0303726B1 (fr) 1987-08-19 1987-08-19 Procédé pour la fabrication d'une bande semi-tubulaire

Publications (3)

Publication Number Publication Date
EP0303732A2 EP0303732A2 (fr) 1989-02-22
EP0303732A3 EP0303732A3 (en) 1990-03-07
EP0303732B1 true EP0303732B1 (fr) 1991-11-13

Family

ID=8197214

Family Applications (2)

Application Number Title Priority Date Filing Date
EP87112052A Expired - Lifetime EP0303726B1 (fr) 1987-08-19 1987-08-19 Procédé pour la fabrication d'une bande semi-tubulaire
EP87112832A Expired - Lifetime EP0303732B1 (fr) 1987-08-19 1987-09-02 Procédé pour la fabrication d'une bande de sacs liés l'un à l'autre

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP87112052A Expired - Lifetime EP0303726B1 (fr) 1987-08-19 1987-08-19 Procédé pour la fabrication d'une bande semi-tubulaire

Country Status (5)

Country Link
EP (2) EP0303726B1 (fr)
AT (2) ATE69404T1 (fr)
DE (3) DE3774575D1 (fr)
ES (2) ES2027668T3 (fr)
GR (2) GR3003128T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8715841U1 (de) * 1987-08-19 1988-02-25 Pacimed Med. Verpackungen GmbH, 8069 Mitterscheyern Halbschlauchbahn
DE4225998C2 (de) * 1992-08-06 1998-04-16 Mildenberger & Willing Verpack Verfahren zur Herstellung von Verpackungsbeuteln mit Griffstück
FR2701250A1 (fr) * 1993-02-09 1994-08-12 Jia Ying Poubelle à sachet auto-remplaçant.
EP3967486A1 (fr) * 2020-09-14 2022-03-16 Schur Flexibles Poland Sp. z o.o Procédé de fabrication d'un sac pour des produits d'hygiène

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777491A (en) * 1954-10-13 1957-01-15 Bemis Bro Bag Co Manufacture of draw-cord bags and the product thereof
US3283672A (en) * 1961-06-09 1966-11-08 Bemis Co Inc Bag
US3283994A (en) * 1965-04-19 1966-11-08 Bemis Co Inc Bag
DE1704398A1 (de) * 1967-07-31 1971-09-02 Gottlieb Wiedmann Kg Verfahren und Vorrichtung zum Herstellen von Kunststoffbeuteln mit Schliesszeug
US3587843A (en) * 1967-09-11 1971-06-28 Grace W R & Co Package of bags
US3687357A (en) * 1970-04-30 1972-08-29 Gerhard Hansen Draw-cord bags
US3980006A (en) * 1975-04-07 1976-09-14 Converters Incorporated Continuous envelope system
DE2634216A1 (de) * 1976-07-30 1978-02-02 Alfons Meyer Verfahren und vorrichtung zum selbsttaetigen geordneten speichern, weitergeben und zuteilen von einzelnen flachen werkstuecken, insbesondere kunststoffbeuteln
DE2819887C2 (de) * 1978-05-06 1985-08-08 Meyer, Alfons, 7050 Waiblingen Vorrichtung zum Herstellen einer ein Trägerband und auf diesem schuppenförmig übereinanderliegend angeordnete flache Werkstücke aufweisenden Anordnung zum Speichern der Werkstücke
DE2854839A1 (de) * 1978-12-19 1980-07-10 Roland Dipl Ing Niederberger Verfahren und vorrichtung zum geordneten ablegen, speichern und zuteilen von einzelnen flachen werkstuecken, insbesondere kunststoffbeuteln

Also Published As

Publication number Publication date
ATE69405T1 (de) 1991-11-15
ES2027668T3 (es) 1992-06-16
DE3774575D1 (de) 1991-12-19
GR3003129T3 (en) 1993-02-17
ES2027269T3 (es) 1992-06-01
EP0303726A1 (fr) 1989-02-22
DE3774577D1 (de) 1991-12-19
EP0303732A3 (en) 1990-03-07
DE8715752U1 (de) 1988-03-10
EP0303726B1 (fr) 1991-11-13
EP0303732A2 (fr) 1989-02-22
GR3003128T3 (en) 1993-02-17
ATE69404T1 (de) 1991-11-15

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