EP1106506B1 - Procédé et dispositif pour fabriquer des sacs ayant 3 bords scellés avec un profil de fermeture scellé à l'intérieur de ceux-ci - Google Patents

Procédé et dispositif pour fabriquer des sacs ayant 3 bords scellés avec un profil de fermeture scellé à l'intérieur de ceux-ci Download PDF

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Publication number
EP1106506B1
EP1106506B1 EP00811102A EP00811102A EP1106506B1 EP 1106506 B1 EP1106506 B1 EP 1106506B1 EP 00811102 A EP00811102 A EP 00811102A EP 00811102 A EP00811102 A EP 00811102A EP 1106506 B1 EP1106506 B1 EP 1106506B1
Authority
EP
European Patent Office
Prior art keywords
foil
closing profile
sealing
profile sections
feed unit
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
EP00811102A
Other languages
German (de)
English (en)
Other versions
EP1106506A1 (fr
Inventor
Rico Kunz
Thomas Strasser
Ernst Wanner
Horst Loewenthal
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.)
Syntegon Packaging Systems AG
Original Assignee
SIG Pack Systems AG
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 SIG Pack Systems AG filed Critical SIG Pack Systems AG
Publication of EP1106506A1 publication Critical patent/EP1106506A1/fr
Application granted granted Critical
Publication of EP1106506B1 publication Critical patent/EP1106506B1/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
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/188—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying or incorporating profile-strips, e.g. for reclosable bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B9/067—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web advancing continuously
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S493/00—Manufacturing container or tube from paper; or other manufacturing from a sheet or web
    • Y10S493/916—Pliable container
    • Y10S493/927—Reclosable

Definitions

  • EP-A-939 034 is another device for the production known from 3-sealed-edge bags. It is about a horizontal flow wrapper.
  • the zipper is considered continuous continuous band between longitudinal edges of a continuous peeled, welded to the products folded film and at the same time the film is welded at the free edges.
  • transverse sealing station transverse sealing seams are formed and the individual bags separated.
  • the present invention is based on the object, a method and to provide a device of the above type, with which the packaging speed can be increased. This task is achieved by the feature combination of claims 1 and 4.
  • the device according to FIGS. 1 and 2 has a first supply 10 for a thermoplastic packaging film 11 or a composite film and a second supply 12 for a closure profile 13 (Zipper).
  • the film 11 is in a folding station 14 via a Faltkante in a known manner to the at regular intervals in likewise known manner supplied products 15 to a flat, horizontal tube 16 folded.
  • the folding station 14 is in Figures 1 and 2 in the transport direction A of the tube sixteenth drawn very shortened.
  • the supply 10 can also contain an already folded hose.
  • the tube 16 is continuously from the supply with a first feed unit 17 10 deducted.
  • the unit 17 consists of two pairs of transport rollers 18, 19 and 20, 21.
  • Each roller 18-21 consists of two coaxial, on the same shaft 25, 26 mounted single rollers 18a, 18b, 20a, 20b. At least one of the rollers 18, 20 of each pair is driven by a servomotor 27, 28.
  • the single roles 18a, 20a capture the film along its free edges 29.
  • the single rollers 18b, 20b have a circumferential groove accordingly half the cross-sectional profile of the closure profile 13.
  • the motors 27, 28 are connected to rotation angle sensors 31.
  • the motors 27, 28 and angle sensor 31 are connected to a control device 32.
  • the closure profile 13 is formed by a second feed unit 37 deducted from the stock 12.
  • the unit 37 comprises a pair of transport rollers 38, that of a servomotor 39 with angle sensor 40 is driven, which also with the control device 32nd are connected.
  • the rollers 38 have a circumferential groove 41 accordingly the groove 30.
  • Downstream of the rollers 38 is a separator 42 for separating the closure profile 13 in closure profile pieces 43 adjustable length arranged.
  • the device 42 consists of a rotating knife 44, that by a another servo motor 45 is driven with angle sensor 46. This are also connected to the device 32.
  • the knife 44 works with a rotating or stationary counterhold 47 together.
  • the profile pieces 43 are from the unit 37 between the two Foil spaced from but adjacent to the edges 29 fed.
  • Between the two pairs of rollers 18, 19 and 20, 21 are two longitudinal sealing stations 50, 51, for forming a longitudinal sealing seam 49 and for double-sided sealing of the film 11 on the Profile pieces 43 arranged.
  • the stations 50, 51 each consist of a pair of continuously at least almost contiguous, heated sealing jaws 52, 53. These can be used on the Foil 11 facing side to be coated with PTFE.
  • the foil 11 is continuously through the pair of rollers 20, 21 between the Bake 50, 51 pulled through.
  • the rollers 20, 21 can be cooled his. They then ensure rapid cooling of the sealed seams.
  • a transverse sealing station 56 Downstream of the roller pair 20, 21 is a transverse sealing station 56 arranged. It consists of two circulating on oval tracks 57 Quersiegelbacken 58, 59.
  • the jaws 58, 59 may be a Separating device consisting of a knife 60 and a counter-holder 61 be integrated. The type of guidance of the jaws 58, 59 is known in the art.
  • This knife is the Hose 16 divided into individual bags 66.
  • a sensor 62 may be arranged which is also connected to the controller 32 is.
  • the sensor 62 may, for example, a force sensor or a Be a way sensor.
  • the device described operates as follows:
  • the Film 11 is withdrawn continuously from the unit 17.
  • the Unit 37 also transports the profile 13 continuously.
  • the sensor 62 responds, releases its signal through the device 32, delayed by an adjustable, with the angle sensor 31 measured rotation angle, a rotation of the blade 44th by 360 °, with the peripheral speed of the cutting edge the feed rate of the profile 13 corresponds with the the withdrawal speed of the film 16 is synchronized.
  • the engine 39 slows down the device 32 the engine 39 in the short term and then accelerates him back to the sync speed. To this Way, a distance x between the leading end 63 of the Profile piece 43 and the trailing end 64 of the preceding Profile piece 43 formed.
  • This distance x corresponds to the Width b of the transverse sealing jaws 61 or is slightly larger.
  • the transverse sealing seams 65 are only in this gap between two successive profile pieces 43 formed. This will be a perfect seal and good tightness achieved. Because of the continuous deduction is a high packaging performance achieved.
  • the command to trigger the separation movement by the knife 44th also derived exclusively from the rotation angle of the pair of rollers 18, 19 which is measured by the sensor 31.
  • the type of control described becomes an exact positioning the closure profile pieces 43 between the transverse seams 65 is reached.
  • the device 37 can also be used to retrofit existing Tubular bag packaging machines are used. The device is particularly suitable for horizontal tubular bag packaging machines.
  • FIG. 3 shows a section of a variant of the embodiment according to Figures 1 and 2.
  • the rollers 38th and the supply 12 in the vertical median plane through the sealing jaws 53 arranged.
  • the variant of Figure 3 is the vertical plane through the rollers 38, the knife 44 and the stock in contrast, arranged at an acute angle to this median plane.
  • the cut closure profile pieces 43 are fed by a bent guide rail 70 to the rollers 18b, 19b.
  • This variant may have advantages in feeding the products 15 between the folded film 11 have.

Claims (10)

  1. Procédé pour fabriquer des sachets ayant trois bords scellés (66) avec un profil de fermeture scellé à l'intérieur de ceux-ci, dans lequel on prélève un film d'emballage (11) en continu d'une première réserve (10) à l'aide d'une première unité d'avance (17) et on le replie autour des produits à emballer (15), dans lequel on insère des morceaux de profil de fermeture coupés à longueur (43), au moyen d'une deuxième unité d'avance (37), entre les deux bords longitudinaux du film (11) à proximité mais à distance de leurs arêtes longitudinales (29), dans lequel des morceaux de profil de fermeture successifs (43) présentent une distance de l'un à l'autre, dans lequel on scelle ensuite les deux bords longitudinaux du film (11) à proximité de leurs arêtes (29) en un joint scellé longitudinal (49) et on scelle le film (11) sur les deux faces sur les morceaux de profil de fermeture (43), et dans lequel on scelle transversalement entre des morceaux de profil de fermeture successifs (43) avec un dispositif de scellage transversal (56), et on sépare les uns des autres les sachets individuels (66).
  2. Procédé selon la revendication 1, dans lequel il présente un dispositif de coupe (44) pour séparer les morceaux de profil de fermeture (43) d'un profil de fermeture (13) à alimentation continue, et dans lequel on ralentit la deuxième unité d'avance (37) après chaque opération de coupe et on l'accélère ensuite à nouveau à la vitesse de prélèvement du film (11).
  3. Procédé selon la revendication 1 ou 2, dans lequel le dispositif d'avance de la gaine (16) est horizontal.
  4. Dispositif pour fabriquer des sachets ayant trois bords scellés (66) avec un profil de fermeture scellé à l'intérieur de ceux-ci, comprenant
    une première réserve (10) pour un film d'emballage (11),
    une première unité d'avance (17) pour prélever le film (11) avec un premier moteur entraíné en continu (27, 28),
    une station de pliage (14) pour la formation d'une gaine plate, ouverte d'un côté (16) destinée à recevoir les produits à emballer (15),
    une deuxième unité d'avance (37) avec un deuxième moteur (39) pour l'insertion de morceaux de profil de fermeture coupés à longueur (43) entre les deux bords longitudinaux du film (11),
    une première station de scellage (51) avec deux premières mâchoires de scellage (53) au moins presqu'appliquées l'une contre l'autre en continu pour sceller les morceaux de profil de fermeture (43) avec des arêtes libres (29) du film (11) voisines du film (11),
    une deuxième station de scellage (50) avec des deuxièmes mâchoires de scellage (52) au moins presqu'appliquées l'une contre l'autre en continu pour le scellage longitudinal des deux bords du film à proximité des arêtes libres (29) mais à l'extérieur des morceaux de profil de fermeture (43),
    une troisième station de scellage (56) pour la formation de coutures transversales (65) entre les extrémités libres de morceaux de profil de fermeture successifs (43), et
    un dispositif de coupe (60) pour la coupe transversale de la gaine (16) approximativement au milieu des coutures transversales (65),
    dans lequel au moins une partie (20, 21) de la première unité d'avance (17) est disposée en aval de la première et de la deuxième stations de scellage (50, 51).
  5. Dispositif selon la revendication 4, dans lequel un dispositif de commande (32) est disposé pour commander la deuxième unité d'avance (37), la deuxième unité d'avance (37) présente un deuxième dispositif de coupe (44) avec un troisième moteur (45) pour séparer les morceaux de profil de fermeture (43) d'un profil de fermeture (13) à alimentation continue, et dans lequel le premier et le troisième moteurs (27, 45) sont raccordés chacun à un capteur d'angle (31, 46), qui sont reliés au dispositif de commande (32).
  6. Dispositif selon la revendication 5, dans lequel le premier dispositif d'avance (17) présente en plus une paire de rouleaux entraíneurs (18, 19) en amont du premier et du deuxième dispositifs de scellage (50, 51), et dans lequel est en plus disposé un capteur (62) raccordé au dispositif de commande (32), qui réagit lorsque l'extrémité avant (63) du morceau de profil de fermeture (43) est saisie par la paire de rouleaux entraíneurs (18, 19).
  7. Dispositif selon la revendication 5 ou 6, dans lequel le troisième moteur (45) est entraíné pas à pas par le dispositif de commande (32), lorsque l'angle de rotation du premier moteur (27) a atteint une valeur prédéterminée ou lorsque le capteur (62) réagit.
  8. Dispositif selon l'une quelconque des revendications 5 - 7, dans lequel le deuxième moteur (39) est brièvement retardé, dès qu'un morceau de profil de fermeture (43) est coupé, et il est ensuite à nouveau accéléré jusqu'à la vitesse de transport de la gaine (16).
  9. Dispositif selon l'une quelconque des revendications 5 - 8, dans lequel le deuxième dispositif de coupe (44) se présente sous la forme d'un couteau tournant autour d'un axe, qui coopère avec un appui opposé (47).
  10. Dispositif selon l'une quelconque des revendications 4 - 9, dans lequel les premières mâchoires de scellage (53) présentent dans la face de scellage un creux correspondant à la géométrie du morceau de profil de fermeture.
EP00811102A 1999-12-03 2000-11-21 Procédé et dispositif pour fabriquer des sacs ayant 3 bords scellés avec un profil de fermeture scellé à l'intérieur de ceux-ci Expired - Lifetime EP1106506B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH221799 1999-12-03
CH221799 1999-12-03

Publications (2)

Publication Number Publication Date
EP1106506A1 EP1106506A1 (fr) 2001-06-13
EP1106506B1 true EP1106506B1 (fr) 2004-03-17

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EP00811102A Expired - Lifetime EP1106506B1 (fr) 1999-12-03 2000-11-21 Procédé et dispositif pour fabriquer des sacs ayant 3 bords scellés avec un profil de fermeture scellé à l'intérieur de ceux-ci

Country Status (7)

Country Link
US (1) US6675552B2 (fr)
EP (1) EP1106506B1 (fr)
JP (1) JP2001198993A (fr)
AT (1) ATE261847T1 (fr)
CA (1) CA2327213C (fr)
DE (1) DE50005674D1 (fr)
DK (1) DK1106506T3 (fr)

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Also Published As

Publication number Publication date
CA2327213C (fr) 2008-08-05
CA2327213A1 (fr) 2001-06-03
ATE261847T1 (de) 2004-04-15
DE50005674D1 (de) 2004-04-22
EP1106506A1 (fr) 2001-06-13
US20010003115A1 (en) 2001-06-07
DK1106506T3 (da) 2004-07-12
US6675552B2 (en) 2004-01-13
JP2001198993A (ja) 2001-07-24

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