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EP0119957B2 - Dispositif de formation pour former un tuyau à languette unique - Google Patents

Dispositif de formation pour former un tuyau à languette unique Download PDF

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Publication number
EP0119957B2
EP0119957B2 EP84810113A EP84810113A EP0119957B2 EP 0119957 B2 EP0119957 B2 EP 0119957B2 EP 84810113 A EP84810113 A EP 84810113A EP 84810113 A EP84810113 A EP 84810113A EP 0119957 B2 EP0119957 B2 EP 0119957B2
Authority
EP
European Patent Office
Prior art keywords
guide body
packaging material
main forming
state
conveying
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
EP84810113A
Other languages
German (de)
English (en)
Other versions
EP0119957A1 (fr
EP0119957B1 (fr
Inventor
Georg Kopp
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.)
Schweizerische Industrie Gesellschaft
Original Assignee
Schweizerische Industrie Gesellschaft
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4209352&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0119957(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schweizerische Industrie Gesellschaft filed Critical Schweizerische Industrie Gesellschaft
Publication of EP0119957A1 publication Critical patent/EP0119957A1/fr
Application granted granted Critical
Publication of EP0119957B1 publication Critical patent/EP0119957B1/fr
Publication of EP0119957B2 publication Critical patent/EP0119957B2/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
    • 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
    • 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
    • B65B2009/063—Forming shoulders

Definitions

  • the present invention relates to a shaping device for forming an inflow hose according to the preamble of independent patent claim 1.
  • a folding device in order to form an inflow hose package from a packaging material web fed from a roll.
  • a guide fork and a folding plate with a U-shaped cross section are provided to form the side walls of the hose. Both the guide fork and the folding plate are held on a support so that they can be adjusted on all sides.
  • folding tongues are provided with guide horns pointing upwards.
  • An improvement of the folding device is achieved with a shaped shoulder according to DE-A-1 179 495.
  • a mandrel is therefore covered with an externally sticky shell.
  • This surface is in turn surrounded by a flexible film in such a way that one end of the film is correctly shaped into a tube, while the other end of the film is a flat surface.
  • the shape of the film corresponds to a tape that runs in on the one hand and is then formed into a tube.
  • the pocket formed by the film is poured out with a mass that solidifies without significant shrinkage, and after the film has solidified, the film and casing are removed. The body obtained forms the desired shape shoulder.
  • a shaping device according to the preamble of claim 1 is known, in which objects continuously fed at a distance from one another are wrapped by means of a band-shaped plastic film.
  • a guide body penetrating the transport plane guides the plastic film.
  • the guide body has a longitudinal slot at the bottom for guiding sealable edge parts of the film.
  • This device is only suitable for insensitive, stretchable, non-wrinkling films, since the deformation of the approximately flat surface pulled off from a roll into a tubularly curved surface enclosing the objects generates considerable shear forces in the film in this known device.
  • a very sensitive packaging material such as the aluminum foil mentioned, places the highest demands on the packaging machines. These include: a smooth, bumpless conveying speed and smooth starting, as well as precise and sensitive traction control.
  • a shaping device for forming the hose together with a further transport device which can be synchronized precisely with the inlet speed.
  • a strip-shaped aluminum foil 1 is fed from a dispensing roller 2 via deflection rollers 3a, 3b, 3c, 3d to the guide body 4, where it is now placed on a horizontal conveyor device 5 fed items are folded.
  • the sealing station 6 Downstream of the guide body 4 is the sealing station 6, of which only two sealing rollers 6c, 6d, which are arranged in pairs and are each rotatably driven with a vertical axis 6a, 6b, are shown.
  • the second deflection roller 3b is pretensioned via a two-armed lever 8 which is rotatably mounted on a rotational axis 7 fixed to the frame and with a spring 9 in order to maintain a constant tension in the aluminum foil 1. Since this tape guide is generally known, there is no need to go into this at this point.
  • the conveying device 5 for the articles G is also known and can have a structure as described in CH-A-527 090. Accordingly, the objects G are pushed on a horizontal track 50 fixed to the frame from guide rails 51 with a central longitudinal slot 52 (see FIGS. 5 and 6) by drivers 53 in the direction of arrow A.
  • the drivers 53 are rotatably connected to a transport chain 54 which rolls on a support 55 fixed to the frame and can be connected in a known manner, e.g. are deposited against the transport direction by a run-up curve (not shown) so that they cannot injure the aluminum foil 1 or the objects G when passing over the chain deflecting roller 56.
  • the guide rails 51 taper in the transport direction and are omitted entirely in the area where the lateral Parts of the aluminum foil 1 are folded around the objects G.
  • the task of the guide body 4 is to transform the aluminum foil 1 into a tube from its originally supplied state if.
  • the side view of this guide body 4 is clearly shown in FIG. 1 and the bottom view in FIG. 1 is shown in FIG. 2, while the shape of the body is illustrated in five sectional views, FIGS. 3 to 7.
  • the guide body 4 is symmetrical with respect to a perpendicular plane.
  • the intersection line 40 of this perpendicular plane with the guide body 4 is shown in broken lines in FIG. 2. Since the aluminum foil 1 is delivered flat and rests on an upstream part of the guide body 4 and leaves it as a tube S, the aluminum foil 1 in turn nestling against a wall, a first main shaping surface 41 and a second main shaping surface 42 can be distinguished.
  • the section line 40 which is shown in FIG. 1 as the lower contour line of the first main shaping surface 41, is at least approximately straight up to a point 43 from which it is bent into a horizontal straight line 40a.
  • the two edge parts 45a, 45b of the first main shaping surface 41 have a smaller pitch angle than the central straight line 40.
  • the aluminum foil 1 is thus deformed from its flat state according to FIG. 3 into a concave shape according to FIG. 4.
  • the second main shaping surface 42 begins from point 43.
  • the objects G press the aluminum foil in its central part against the horizontal part 40a of the central straight line 40 (FIG. 5).
  • the edges are thickened like a bead with rounded ridges 46a, 46b when they penetrate the two main shaping surfaces, so that the aluminum foil 1 can slide over them.
  • the two edge parts 45a, 45b are pulled down shortly after the point 43, at the section line IV in FIG. 1, below the transport plane according to the guide rails 51, and the rounded ridges 46a, 46b approach each other according to FIG. 6.
  • the guide rails 51 taper in an arrow shape, because from there the ridges 46a, 46b with the adjoining portions of the second main shaping surface 42 support the objects G in the newly formed tube.
  • the edge parts 45a, 45b of the first main shaping surface 41 and the remaining remnants of this surface form a slot 47 for the edges of the aluminum foil 1, which are only to be connected to one another by a seal. So that a highly sensitive film does not tear, in addition to the uniform transport speed, an optimal shape of the guide body in the folding zone of the film is required, in which the film is molded into the tube S enveloping the objects.
  • the film is shaped uniformly.
  • the two rounded ridges 46a, 46b cause the film to roll evenly against the objects, so that the film does not have to perform any other sliding movement apart from the sliding movement in the direction of the center line. This ensures that only a tensile force is exerted on the film in the direction of transport and that the film cannot tear under the action of differently directed forces.
  • a bead with a rounded ridge portion and an upstream concave curvature is formed.
  • spherical glass particles with a diameter of 0.2 to 0.4 mm can be embedded in the sliding surface of the first main shaping surface 41.
  • the shaping body 4 can be divided along the middle straight line 40. For larger objects, the width of the channel between the edge parts 45a, 45b can thus be increased by inserting intermediate pieces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)

Claims (6)

1. Dispositif de façonnage pour la formation d'un tuyau à languette unique à partir d'un matériau d'emballage en bande (1), en particulier d'une feuille d'aluminium non doublée, dans une machine à emballer pour l'emballage d'objets (G), en particulier de morceaux de produits de confiserie, qui sont amenés de façon continue, à distance les uns des autres, sur un dispositif transporteur (5), dispositif de façonnage qui comporte un corps de guidage (4) pénétrant dans le plan de transport pour la transformation du matériau d'emballage (1), à partir d'un premier état à surface au moins approximativement plane, en un second état à surface recourbée en forme de tube entourant les objets (G), ainsi qu'une fente longitudinale (47) qui s'étend des deux cotés du plan longitudinal vertical médian et, vers le bas, au-dessous du plan de transport, pour le guidage de partie bordantes scellables (N) du matériau d'emballage (1), caractérisé en ce qu'une première surface principale de façonnage (41), formée sur le corps de façonnage (4) pour le guidage du matériau d'emballage (1) depuis son premier état jusqu'au point de transformation dans le second état, est constituée dans l'ensemble par une surface qui est convexe vers le plan de transport et dont la courbure croît de façon continue dans la direction de transport, et en ce qu'il est prévu, pour le guidage du matériau d'emballage (1) dans son second état, une seconde surface principale de façonnage (42) présentant une partie supérieure de surface (40a) qui s'étend parallèlement au plan de transport et, de part et d'autre de cette partie supérieure de surface, des surfaces latérales qui se referment de plus en plus pour prendre la forme d'un tube.
2. Dispositif selon la revendication 1, caractérisé en ce qu'il est formé, au niveau de la ligne de penétration entre la première surface principale de façonnage (41) et la seconde surface principale de façonnage (42), un bourrelet (43) avec une partie de crête arrondie (48a).
3. Dispositif selon la revendication 2, caractérisé en ce que dans la partie de pénétration des deux surfaces principales de façonnage qui se trouve au début dans le sens de passage, il est prévu une courbure concave à la transition entre la première surface principale de façonnage (41) et le bourrelet.
4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que des particules sphériques de verre de 0,2 à 0,4 mm de diamètre sont incorporées au moins dans la première surface principale de façonnage (41).
5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le corps de guidage (4) est partagé longitudinalement le long de la ligne médiane (40).
6. Dispositif selon la revendication 5, caractérisé par des pièces intercalaires destinées à être interposées entre les deux parties (45a, 45b) du corps de guidage (4).
EP84810113A 1983-03-14 1984-03-07 Dispositif de formation pour former un tuyau à languette unique Expired - Lifetime EP0119957B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1392/83 1983-03-14
CH1392/83A CH659220A5 (de) 1983-03-14 1983-03-14 Formvorrichtung zur bildung eines einflossenschlauches.

Publications (3)

Publication Number Publication Date
EP0119957A1 EP0119957A1 (fr) 1984-09-26
EP0119957B1 EP0119957B1 (fr) 1986-09-17
EP0119957B2 true EP0119957B2 (fr) 1991-04-24

Family

ID=4209352

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84810113A Expired - Lifetime EP0119957B2 (fr) 1983-03-14 1984-03-07 Dispositif de formation pour former un tuyau à languette unique

Country Status (5)

Country Link
US (1) US4587794A (fr)
EP (1) EP0119957B2 (fr)
JP (1) JPS59174411A (fr)
CH (1) CH659220A5 (fr)
DE (1) DE3460739D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19539872B4 (de) * 1995-10-26 2006-08-17 Rovema Verpackungsmaschinen Gmbh Formschulter
WO2017192050A1 (fr) * 2016-05-05 2017-11-09 Moda Ip Limited Appareil d'ensacheuse tubulaire

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62135107A (ja) * 1985-12-05 1987-06-18 株式会社ハナガタ 物品の包装装置
US4970846A (en) * 1989-12-05 1990-11-20 Fmc Corporation Product support table having multiple product transport belts
US6745545B2 (en) * 2001-06-20 2004-06-08 Illinois Tool Works Inc. Horizontal form, fill and seal machine for loose fitting packages
ITBO20030554A1 (it) * 2003-09-25 2005-03-26 Carle & Montanari Spa Dispositivo di uscita per cioccolatini e prodotti similari
KR100991459B1 (ko) * 2008-06-16 2010-11-04 탑와이어 주식회사 제본용 스프링 포장장치
GB201902605D0 (en) * 2019-02-27 2019-04-10 Intercontinental Great Brands Llc Apparatus and methods for packaging
GB201902604D0 (en) 2019-02-27 2019-04-10 Intercontinental Great Brands Llc Apparatus and methods for packaging
EP3858743B1 (fr) 2020-01-31 2023-11-01 Universal Pack S.R.L. Unité de remplissage d'emballages et procédé correspondant
IT202000001891A1 (it) * 2020-01-31 2021-07-31 Universal Pack S R L Gruppo di riempimento involucri e relativo procedimento

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741956A (en) * 1950-08-12 1956-04-17 Frank Hamachek Machine Company Machines for making bags, envelopes or similar containers
CH386324A (de) * 1961-08-30 1964-12-31 Sig Schweiz Industrieges Faltvorrichtung
DE1179495B (de) * 1962-04-03 1964-10-08 Sig Schweiz Industrieges Formschulter und Verfahren zu deren Herstellung
FR1409922A (fr) * 1964-07-24 1965-09-03 Parisienne Des Usines Holweg S Machine pour emballer des objets avec une matière foliiforme
US3851457A (en) * 1969-03-10 1974-12-03 Ici Ltd Core yarns and methods for their manufacture
US3581457A (en) * 1969-04-30 1971-06-01 Fmc Corp Wrapping method and apparatus
US3544340A (en) * 1969-09-24 1970-12-01 Kraftco Corp Cheese packaging method and apparatus
CH527090A (de) * 1970-06-03 1972-08-31 Sig Schweiz Industrieges Verfahren zum Verpacken von gleichartigen Gegenständen und Maschine zur Durchführung des Verfahrens
JPS596763B2 (ja) * 1979-12-20 1984-02-14 禎美 伊藤 包装装置
DE3147101A1 (de) * 1980-12-11 1982-07-29 Baker Perkins Holdings Ltd., Peterborough, Cambridgeshire Verpackungsmaschine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19539872B4 (de) * 1995-10-26 2006-08-17 Rovema Verpackungsmaschinen Gmbh Formschulter
WO2017192050A1 (fr) * 2016-05-05 2017-11-09 Moda Ip Limited Appareil d'ensacheuse tubulaire
AU2017261120B2 (en) * 2016-05-05 2019-12-05 Amcor Flexibles North America, Inc. Flow wrapper apparatus with forming tube

Also Published As

Publication number Publication date
EP0119957A1 (fr) 1984-09-26
US4587794A (en) 1986-05-13
JPS59174411A (ja) 1984-10-02
EP0119957B1 (fr) 1986-09-17
CH659220A5 (de) 1987-01-15
DE3460739D1 (en) 1986-10-23

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