EP0279762B1 - Dispositif pour la réalisation d'un sachet en matière synthétique souple. Procédé pour son obtention; sachet ainsi obtenu - Google Patents

Dispositif pour la réalisation d'un sachet en matière synthétique souple. Procédé pour son obtention; sachet ainsi obtenu Download PDF

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Publication number
EP0279762B1
EP0279762B1 EP88470002A EP88470002A EP0279762B1 EP 0279762 B1 EP0279762 B1 EP 0279762B1 EP 88470002 A EP88470002 A EP 88470002A EP 88470002 A EP88470002 A EP 88470002A EP 0279762 B1 EP0279762 B1 EP 0279762B1
Authority
EP
European Patent Office
Prior art keywords
jaws
cushion
station
reinforcements
sachet
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
EP88470002A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0279762A1 (fr
Inventor
Michel Cazes
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.)
Societe Generale des Eaux Minerales de Vittel SA
Original Assignee
Societe Generale des Eaux Minerales de Vittel SA
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 Societe Generale des Eaux Minerales de Vittel SA filed Critical Societe Generale des Eaux Minerales de Vittel SA
Priority to AT88470002T priority Critical patent/ATE67974T1/de
Publication of EP0279762A1 publication Critical patent/EP0279762A1/fr
Application granted granted Critical
Publication of EP0279762B1 publication Critical patent/EP0279762B1/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
    • B65D33/02—Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames
    • 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
    • B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages

Definitions

  • the present invention relates to a device for producing a flexible plastic bag for packaging liquids, said bag being firstly in the form of a cushion already filled with liquid, device for reporting on said cushion means for gripping, stiffening and supporting information and for conforming the sachet in its final form of marketing and use, of the type comprising jaws for enclosing the cushion in a sleeve of cold-formed stretchable synthetic material around said jaws movable in translation and in separation with respect to each other between which the cushion is disposed.
  • the invention also relates to a method for producing such sachets as well as the sachets thus obtained.
  • a device of this type has already been proposed by the applicant, for example in the European patent issued 167469.
  • a cushion provided with a handle or stiffening element is brought into a compression means where its final conformation is ensured.
  • this device nevertheless has some drawbacks insofar as the handle is applied to the cushion before it is filled, which implies very rigorous control of the asepsis conditions.
  • the object of the invention is therefore to propose a device making it possible to remedy these drawbacks of the prior art, that is to say allowing a stiffening element to be brought back without problem of asepsis, gripping and presenting information on a cushion already filled with liquid.
  • a device of this type has already been proposed by patent US-A-3313090.
  • the device is specifically intended to attach and maintain on a rigid container, in this case made of glass, a label or the like.
  • a device for producing a flexible plastic bag intended for the packaging of liquids said bag being initially presented in the form of a cushion already filled with liquid, device making it possible to attach to said cushion a means of gripping, stiffening and supporting information and to conform the sachet in its final form of marketing and use, of the type comprising jaws for enclosing the cushion in a sleeve of material stretchable synthetic cold formed around said jaws movable in translation and in separation with respect to each other between which the cushion is disposed, characterized in that it comprises suction cups for applying two stiffening elements which will each be held on a side face of the cushion only by the sleeve when the jaws have been removed, the device further comprising a gluing station to conform the bottom of the bag by gluing one on the other of the free ends of each of the stiffening elements.
  • the cushion will be provided with an opening-closing plug attached to it under aseptic conditions, said plug serving as a guide means for ensuring the precise positioning of the cushion in the device of the invention between said jaws.
  • the device will make it possible to apply two stiffening elements which will each be held on a lateral face of the cushion only by the sleeve when the jaws have been removed, the device further comprising means for conforming the bottom of the bag by gluing one on the other of the free ends of each of the stiffening elements.
  • the subject of the invention is also a sachet made of flexible synthetic material comprising a flexible and generally transparent body enclosed by lateral reinforcements also forming a bottom, characterized in that the lateral reinforcements are joined at the base by bonding to form the bottom, the whole being held by a sleeve made of cold-stretch synthetic material.
  • the bags of the invention are distinguished from those of the prior art, as described for example in GB-A-1024241 by the fact that the reinforcements are held exclusively by a sleeve and that they are joined at their base by collage to form the bottom of the bag. This structure is of simpler and less expensive design and implementation.
  • the device (1) is supplied by flexible bags already filled with liquid to be packaged and provided with a stopper-stopper seal as described for example in patent application in France 256632 in the name of the applicant. These are sort of "pillows" of liquid.
  • the cushions When they fall on the rail (9), the cushions assume a shape shown schematically in Figure 3B.
  • the two lower corners form horns projecting downward, as also illustrated in the European patent issued 142456 in the name of the applicant.
  • the aforementioned plug (17) We also see in Figure 3B the aforementioned plug (17).
  • the chute comprises a guide (18) which follows the cushion until it is in position on the rail and then disappears upwards, as shown diagrammatically in FIG. 3, to allow its passage and its progression towards the other stations.
  • the cushion Upon its arrival through the chute in the actual shaping device, the cushion is integrated into a process already initialized upstream, as will be described.
  • the functional basis of the device according to the invention consists of a plurality of pairs of jaws (19, 20) parallel to each other, parallel to the rail (9) and able to move jointly parallel to the latter.
  • the clamp By advancing one step (for an indexed advancement device), the clamp is presented at the position (21) for taking up the reinforcements.
  • This station comprises at least one, preferably two stores (2, 22) containing the reinforcements (3).
  • the device At the station (21) for taking up the reinforcements, the device has a ramp (23) provided on its two faces and parallel to the axis of travel of the suction cup clamps (24), for example three in number as shown in the figure 6. If there are two magazines (2, 22), there will of course be two opposite sets of suction cups.
  • the ramp (23) supporting the suction cups forms with a base (25) shown in Figure 6 a unit (23) movable in translation transversely relative to the axis of movement of the clamps on a slide (26).
  • the crew (or ramp) (23) can move alternately from one store to another to take reinforcement there each time through the suction cups, possibly with pneumatic suction and servo-control adequate.
  • the structure of the magazines (2, 22) is illustrated in FIG. 6. They comprise a carcass (27) for restraining the reinforcements which are guided therein by an elastic guide (28) up to the magazine exit, so - even known.
  • a spring not shown, biases the reinforcements towards the front outlet of the store. At this level, the reinforcements are temporarily maintained, until they are taken up by the suction cups, by elastic latches (29) integral for example with the carcass (27) .
  • the jaws of the clamp which is at the position for taking up the reinforcements are arranged between the front ends of the magazines (2, 22) and the suction cups (24).
  • the reinforcements must therefore be taken through the jaws (19, 20) which are perforated, as shown in FIG. 4A, as many orifices (30) as there are suction cups at the level of the jaw.
  • It comprises a film supply reel (4) (5) which passes between two systems of advance rollers (31, 32) in themselves conventional.
  • the feed reel and the feed rollers (reel) are vertical. They prepare the desired length of film so that it can completely envelop the assembly formed by the clamp and the two reinforcements without the film being stretched.
  • rollers (31, 32) are for example ensured by jacks (37) and return springs (38) as shown diagrammatically in FIG. 5.
  • the film is unwound with a predetermined length and envelops the assembly formed by the clamp and the reinforcements which it carries.
  • the film is then welded and cut to form a sleeve. This operation is carried out as follows.
  • the bars (39, 40) of the welding tongs have an asymmetrical displacement. Indeed, it has been observed that during the subsequent stretching of the sleeve (see below), the stretching was weak at the level of the reinforcements and maximum in the zone of the bag not comprising said reinforcements, that is to say between the clamps. So to avoid having vertical weld lines on this free zone, which is detrimental from an aesthetic point of view because at the output of the device these zones correspond to the transparent faces of the bag, the weld is carried out on the edge d 'a reinforcement, preferably the front reinforcement, that is to say on the plug side.
  • one of the bars will be almost fixed and the second, for example the bar (40) will carry with it a length of film; the welding-cutting will be carried out at the edge (41).
  • the movements of the rollers are determined so that the corresponding weld on the film (5) will then be on the other edge (42) of the bag and so on.
  • the jaws of the clamp are spread in a direction perpendicular to the rail, the spacing between the two jaws being adjusted according to the value of desired and admissible stretching for the film without tearing it, without breaking at the weld lines and without residual elongation.
  • the cushion affects at this stage the configuration of FIG. 3B, on the left in the figure, the two lower horns (43) affecting said configuration, that is to say projecting downward relative to the rail.
  • the liquid contained in the horns (43) is driven therefrom by a pair of pressing and welding jaws (44, 45), the structure of which is the subject of another patent application filed on the same day by the applicant. .
  • Welding and pressing are carried out in any event through the fender flange (46) which also extends downwards, said filler being made of cardboard coated at this point with polyethylene on its internal face for welding.
  • a clamp (47) of the same type as the previous ones expels the liquid contained in the upper horn (48) opposite the stopper.
  • a weld is made at the same time, preferably without cutting.
  • one of the wings is glued (49) by a gluing nozzle (50) as illustrated in FIG. 3C.
  • the two wings are folded one against the other and therefore glued together by means of two pairs of pistons (51) arranged on each side of the rail and provided with teeth interlocking in others. This produces a pressing of the two wings and a bonding thereof between them.
  • a corner (52) mechanically inserts the welded horn (48) between the body of the bag and the rear buttress.
  • the rail stops and the bag falls towards the bagging and overwrapping stations as described above, after bringing the jaws together and retracting the sleeve.
  • the clamps then return to the starting point of the device and the process is resumed.
  • FIGS. 4 and 4A where a clamp jaw is shown.
  • the jaws are fixed from the top and are subject to movement by rollers (53) in slides (54) forming a cam path.
  • rollers (53) in slides (54) forming a cam path.
  • FIG. 7 shows a sachet obtained in accordance with the invention.
  • the sachet of the invention can be sold in unit form or in multiple packaging.
  • liquid food products such as mineral water, spring water, table water, fruit and fruit drinks, milk drinks, milk, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Laminated Bodies (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Wrappers (AREA)
  • Fertilizing (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Package Frames And Binding Bands (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Hair Curling (AREA)
  • Pens And Brushes (AREA)
EP88470002A 1987-02-19 1988-01-21 Dispositif pour la réalisation d'un sachet en matière synthétique souple. Procédé pour son obtention; sachet ainsi obtenu Expired - Lifetime EP0279762B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88470002T ATE67974T1 (de) 1987-02-19 1988-01-21 Vorrichtung zur realisierung eines beutels aus flexiblem kunststoffmaterial, verfahren zur herstellung und beutel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8702437 1987-02-19
FR8702437A FR2611163B1 (fr) 1987-02-19 1987-02-19 Dispositif pour la realisation d'un sachet en matiere synthetique souple; procede pour son obtention; sachet ainsi obtenu

Publications (2)

Publication Number Publication Date
EP0279762A1 EP0279762A1 (fr) 1988-08-24
EP0279762B1 true EP0279762B1 (fr) 1991-10-02

Family

ID=9348257

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88470002A Expired - Lifetime EP0279762B1 (fr) 1987-02-19 1988-01-21 Dispositif pour la réalisation d'un sachet en matière synthétique souple. Procédé pour son obtention; sachet ainsi obtenu

Country Status (15)

Country Link
US (2) US4941755A (zh)
EP (1) EP0279762B1 (zh)
JP (1) JPS63260438A (zh)
CN (1) CN1032134A (zh)
AT (1) ATE67974T1 (zh)
AU (1) AU604842B2 (zh)
CA (1) CA1309066C (zh)
DE (1) DE3865213D1 (zh)
DK (1) DK166016C (zh)
ES (1) ES2026686T3 (zh)
FR (1) FR2611163B1 (zh)
GR (1) GR3003297T3 (zh)
IN (1) IN172175B (zh)
OA (1) OA08810A (zh)
PT (1) PT86789B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205651A (en) * 1988-09-26 1993-04-27 Societe Generale Des Eaux Minerales De Vittel Container made of synthetic material with improved rigidity
FR2636883A1 (fr) * 1988-09-26 1990-03-30 Vittel Eaux Min Procede et dispositif pour ameliorer la rigidite d'un conteneur en matiere synthetique
US5105971A (en) * 1991-09-17 1992-04-21 American Packaging Corporation Carton
US6026957A (en) * 1996-03-27 2000-02-22 The Procter & Gamble Company Flexible paper covered package and process for producing same
ATE202990T1 (de) * 1996-05-01 2001-07-15 Procter & Gamble Reckfolieeinheiten für flexible artikel
ES2508141T3 (es) 2011-10-31 2014-10-16 Tetra Laval Holdings & Finance S.A. Unidad de plegado para máquinas de envasado de productos alimenticios que se pueden verter

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1998486A (en) * 1932-05-09 1935-04-23 Libbey Owens Ford Glass Co Packaging of glass
US2102508A (en) * 1935-04-29 1937-12-14 Alfred J Brooks Package for dry goods, and method and apparatus for making the same
US2494177A (en) * 1946-03-16 1950-01-10 Pneumatic Scale Corp Package and method of making the same
GB627711A (en) * 1946-09-16 1949-08-15 Roger Chapman Improvements in or relating to cartons and like containers for packing articles
GB651638A (en) * 1948-11-11 1951-04-04 John Mackintosh & Sons Ltd Improvements in or relating to paper bags and other similar containers
DK108480C (da) * 1961-12-05 1967-12-18 Knud Bjarnoe Emballage.
US3313090A (en) * 1963-08-09 1967-04-11 Cps Ind Inc Machine for forming and applying bands
US3286835A (en) * 1964-06-19 1966-11-22 United Shoe Machinery Corp Display package and method of making the same
US3249286A (en) * 1964-09-28 1966-05-03 Monsanto Co Reinforced plastic bag
US3399818A (en) * 1966-05-17 1968-09-03 Douglass M. Stegner Container
US3686058A (en) * 1970-05-22 1972-08-22 Rohm & Haas Package insert applicator
US4454705A (en) * 1981-03-06 1984-06-19 Benno Edward L Packaging method
JPS5940681A (ja) * 1983-04-13 1984-03-06 大阪シ−リング印刷株式会社 剥離紙仮着の感熱印字ラベル
US4469227A (en) * 1983-08-17 1984-09-04 Clifford Faust Package for cryogenically frozen liquids
NZ212533A (en) * 1984-06-25 1988-06-30 Vittel Eaux Min Plastics bag closure welder and cutter
US4622693A (en) * 1985-04-22 1986-11-11 Cvp Systems, Inc. Collapsible bag and liner combination
FR2606366B1 (fr) * 1986-11-12 1989-07-13 Newtec Int Procede et machine d'emballage pass-through

Also Published As

Publication number Publication date
EP0279762A1 (fr) 1988-08-24
FR2611163A1 (fr) 1988-08-26
ATE67974T1 (de) 1991-10-15
IN172175B (zh) 1993-04-24
DK83888D0 (da) 1988-02-18
CA1309066C (fr) 1992-10-20
DE3865213D1 (de) 1991-11-07
GR3003297T3 (en) 1993-02-17
FR2611163B1 (fr) 1989-02-10
DK166016B (da) 1993-03-01
DK166016C (da) 1993-07-12
AU604842B2 (en) 1991-01-03
US4972659A (en) 1990-11-27
ES2026686T3 (es) 1992-05-01
JPS63260438A (ja) 1988-10-27
OA08810A (fr) 1989-03-31
AU1179288A (en) 1988-08-25
PT86789A (pt) 1989-02-28
CN1032134A (zh) 1989-04-05
US4941755A (en) 1990-07-17
PT86789B (pt) 1993-08-31
DK83888A (da) 1988-08-20

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