EP0281450B1 - Machine pour le thermoformage d'un film étanche à l'intérieur d'un conteneur en carton pour l'emballage d'une denrée à conserver et pour l'operculage du conteneur - Google Patents

Machine pour le thermoformage d'un film étanche à l'intérieur d'un conteneur en carton pour l'emballage d'une denrée à conserver et pour l'operculage du conteneur Download PDF

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Publication number
EP0281450B1
EP0281450B1 EP88400299A EP88400299A EP0281450B1 EP 0281450 B1 EP0281450 B1 EP 0281450B1 EP 88400299 A EP88400299 A EP 88400299A EP 88400299 A EP88400299 A EP 88400299A EP 0281450 B1 EP0281450 B1 EP 0281450B1
Authority
EP
European Patent Office
Prior art keywords
thermoforming
box
machine according
film
container
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
EP88400299A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0281450A1 (fr
Inventor
Roger Lanoiselée
Philippe Dropsy
Patrick Roman
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.)
Continentale Du Carton Ondule Socar SA Ste
Original Assignee
Continentale Du Carton Ondule Socar SA Ste
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 Continentale Du Carton Ondule Socar SA Ste filed Critical Continentale Du Carton Ondule Socar SA Ste
Priority to AT88400299T priority Critical patent/ATE60545T1/de
Publication of EP0281450A1 publication Critical patent/EP0281450A1/fr
Application granted granted Critical
Publication of EP0281450B1 publication Critical patent/EP0281450B1/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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
    • B65B7/164—Securing by heat-sealing
    • 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
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/40—Construction of rigid or semi-rigid containers lined or internally reinforced
    • B31B2120/402—Construction of rigid or semi-rigid containers lined or internally reinforced by applying a liner to already made boxes, e.g. opening or distending of the liner or the box
    • B31B2120/406—Construction of rigid or semi-rigid containers lined or internally reinforced by applying a liner to already made boxes, e.g. opening or distending of the liner or the box the lining material being a plunger, a web, a sheet or a bag to be forced into the box, e.g. by using heat

Definitions

  • the present invention relates to a machine for thermoforming a waterproof film inside a cardboard container, for packaging a commodity to be stored in a controlled atmosphere and for sealing the container.
  • the containers are delivered to the user in the form of blanks open flat.
  • the user must therefore, on the premises of the packaging of the foodstuffs to be stored, volume the blank, thermoform the coating film in the container thus obtained, create a vacuum in the container and optionally re-inject a neutral gas intended for slow the proliferation of bacteria and weld a seal of thermoplastic material on the peripheral edge of the container.
  • Such a machine can only carry out the shaping of the container and the thermoforming of the thermoplastic film.
  • To perform the gas re-injection vacuum and the sealing of the container another machine must be used.
  • the use of two separate machines to carry out a complete cycle of packaging of a commodity represents a significant investment which generally exceeds the financial means of small packaging manufacturers.
  • these machines occupy a large floor area and require more maintenance.
  • the present invention aims to remedy the drawbacks of known machines and suitable for this purpose a machine which allows to perform, without modification of its internal structure, successively the thermoforming and sealing functions.
  • the drawer is provided on two opposite lateral walls with lugs by which it rests on a carriage sliding horizontally on two guide rods arranged laterally along said opposite walls of the drawer, the movement movement of the carriage being carried out by means of a jack. double-acting.
  • the legs rest on the carriage by means of compressible stops, for example made of rubber.
  • the lower plate is adjustable in height by means of nuts screwed onto threads formed on the lower portions of the columns, said nuts being provided with flanges on which the corners of the lower plate rest. It is thus possible to vary at will the spacing between the upper plate and the lower plate as a function of the height of the container and of the corresponding tooling mounted on the machine, while maintaining the upper edge of the container at a constant level. .
  • the nuts are made synchronous in movement by a connecting member, constituted for example by a toothed belt winding around toothed portions formed on the nuts, and driven by any known motor means.
  • the first pneumatic drive means is constituted by a bellows jack, supplied with compressed air, inserted between the upper plate and the intermediate plate.
  • the second pneumatic drive means is constituted by a bellows jack supplied with compressed air and which is inserted between the lower plate and a movable plate supporting the bottom of the shear box and which is normally biased downwards by springs.
  • the heating matrix is surmounted by a heating plate provided with thermal resistances and in which are formed a supply orifice as well as grooves for the blowing of air or gas towards the heating matrix.
  • the matrix has on its underside a concave profile, for example in the form of a trunk of a pyramid.
  • Said second spring means are constituted by helical springs which bear against the bottoms of the thermoforming box and of the shearing box.
  • the machine according to the invention makes it possible to carry out both the thermoforming inside a shaped cardboard blank and the sealing of the container obtained by the thermoforming operation, as will be explained in detail by the following.
  • the machine is externally in the form of a chassis 10 substantially parallelepipedal resting on the ground by four feet 12. It comprises a lower enclosure 14 in which are enclosed the mechanisms of the machine , as well as a motor 16, a vacuum pump 18 and an air filter 20. Said enclosure is surmounted on one side by an electrical cabinet 22 and on the other side by a pneumatic cabinet 24. These different cabinets are provided with doors for access to the organs they contain.
  • the machine is extended by a front part forming a work table 26 situated at a height allowing comfortable handling for the operator.
  • a control desk 28 Above the work table is a control desk 28 and on its side faces are provided two buttons in series 30 intended to control the translation of the mechanism, as will be explained in detail below.
  • the machine On the side opposite the work surface, the machine is provided with two vertical and parallel plates 32, 34 each carrying three gussets 36, 38, 40 positioned at three different levels.
  • the gussets are provided with notches intended to receive the ends of the axes of a roller 42 for supplying a sealed thermoforming film 44, a roller 46 for supplying sealing film 48 and a roller 50 for the winding of the waste from said thermoforming and sealing films.
  • the machine comprises a lower horizontal plate 52 and an upper horizontal plate 54 braced between them by columns 56, for example four in number, and an intermediate plate 58 guided in sliding movement on the columns by rolling means 60.
  • the intermediate plate is connected to the upper plate by several lag screws 62 and it is normally urged upwards by springs 64 which bear on the upper face of the intermediate plate and on threaded bushings 66 aimed at the upper end of the screws -background.
  • the upward stroke is limited by stops 68.
  • the intermediate plate can be biased downwards, against the force of the springs 64, by a pneumatic cylinder 70 supplied with compressed air, for example bellows type. In Figure 3, the cylinder is shown in the inflated state, the springs 64 then being compressed to the maximum.
  • a frame 72 surmounted by a drawer 74 also in the form of a frame open at its upper and lower ends and provided on its edges with peripheral seals 75, 77.
  • the frame and the drawer have exactly the same section which, in the embodiment shown, is rectangular, taking into account the fact that the container to be manufactured is parallelepiped, but it goes without saying that they can have any other form of section adapted to that of the container, for example polygonal with at least three sides or even circular.
  • the drawer 74 is provided on the external faces of its two opposite walls 76, 78 which are oriented along the longitudinal axis of the machine, of support legs 80 by which it rests, by means of compressible stops 82, for example made of rubber, on a carriage 84.
  • the latter slides horizontally along two guide rods 86, 88 arranged horizontally along said walls 76, 78, rolling means 90 being provided to ensure a smooth movement of the carriage on the rods.
  • the carriage is driven in movement by any suitable motor means, for example by a double-acting cylinder 92 whose body is secured to an angle 94 and whose rod 96 ( Figures 2 and 3) is connected to an arm 98 secured to the cart.
  • any suitable motor means for example by a double-acting cylinder 92 whose body is secured to an angle 94 and whose rod 96 ( Figures 2 and 3) is connected to an arm 98 secured to the cart.
  • This box is closed by a bottom 102 which rests, when it is in the low position, on two internal flanges 104 formed in the lower opening of the drawer. It is provided on its upper edge with a peripheral shearing blade 106, the wire of which arrives slightly below the level of the upper edge of the drawer, when the shearing box is in the low position. It is important to note that unlike the known technique, the blade always remains cold and is not likely to get dirty.
  • the shear box can be raised to a high position under the action of a bellows jack 108 supplied with compressed air which acts on the shear box via a thrust plate 110. This is acted upon. towards its low position by springs 112 threaded around threaded rods 114, one end of which is screwed into the lower plate 52.
  • the jack 108 is deflated (right part of FIG. 3)
  • the push plate 110 is fully inserted inside frame 72.
  • thermoforming box 116 Inside the shearing box is fitted a thermoforming box 116 in the form of a box, open at its upper end and closed by a bottom 118 at its lower end.
  • the thermoforming box is urged upwards by four springs 120 bearing in cavities formed in the bottoms 102 and 118, and its travel is limited by stops 122.
  • the springs 120 are less strong than the jack 108.
  • the upper edge of the thermoforming sound box normally arrives slightly above the shearing blade 106. Said upper edge is provided with a peripheral welding joint 124.
  • thermoforming box In the thermoforming box is inserted a cardboard blank 126 or a thermoformed container, depending on whether it is a question of coating the interior walls of the blank with a waterproof film or whether it is a question of obstructing the container operculum.
  • the container has the shape of a rectangular parallelepiped and is provided on its opening with a horizontal peripheral rim 128 extending inwards. As is known, such a rim allows the stacking of several containers. But it goes without saying that one can thermoform and seal with the machine according to the invention a container having any other shape of section, for example square, hexagonal or even circular, and provided or not with a peripheral rim.
  • thermoforming box On the bottom 118 of the thermoforming box are machined channels 130 ending in coincident orifices 132, 134, 136, drilled respectively through the bottoms 102 and 118 of the shear box and the box thermoforming and through the plate 102.
  • These channels and orifices communicate the interior volume of the container, through the joints of the vertical walls of the container, with a lower orifice 138 which can be connected either with the atmosphere or with a source compressed air, or again with a vacuum source, via a pneumatic distributor.
  • studs 140 can be fixed to the bottom of the thermoforming box. The role of these studs, by passing through holes drilled in the bottom of the container, is to serve as a conformator for thermoforming protrusions intended to keep the product to be packaged suspended above the bottom of the container.
  • a heating assembly comprising a suspension frame 143, a heating plate 144 fixed to the suspension frame with the interposition of an insulation plate 146, and a heating matrix 148 fixed. to the heating plate.
  • electrical resistors 150 In the latter are inserted electrical resistors 150 and a network of blowing grooves 152 is milled through which air arriving through a supply orifice 154 and heated by the resistors 150 is blown through a plurality of holes 156 drilled in through the heating matrix.
  • the latter is substantially in the form of a plate with a surface equal to the interior surface of the thermoforming box 116 and it has on its underside a concave profile 158, for example in the form of a trunk of pyramid with rectangular base.
  • the matrix is surrounded by a welding frame 160 whose width of its base section is equal to the sum of the thicknesses of the walls of the drawer 74, the shear box 100 and the thermoforming box 116, so that in the low position of the intermediate plate 58, said welding frame pinches the thermoforming film 44 on the upper edges of the drawer and of the thermoforming box.
  • a peripheral electrical resistance 162 is inserted as well as, on its underside, a peripheral groove 164 into which the shearing blade 106 is capable of penetrating.
  • the welding frame is separated from the heating plate by an insulation frame 165.
  • the electrical resistors 150 are put under tension and the bellows jack 70 is vented, which has the effect that the upper plate 54 and the heating assembly 144, 148 which is integral with it are returned by the springs 64 to the high position, defined by bringing the stops 68 into contact with the upper plate.
  • the drawer 74 is then released and therefore the elastic stops 82 relax, slightly lifting the drawer above the frame 72.
  • the jack 92 can then slide the drawer and the boxes 100 and 116 which it contains in position d extension where they are placed in the working plane 26, as shown in FIG. 1 and in solid lines in FIG. 2.
  • thermoforming box 116 a blank of cardboard 126 in the preformed position, while an external device, not shown, unrolls the thermoforming film 44 from the roll 42 (see FIG. 2).
  • the film passes successively on rollers 166, 168, 170, 172, 174, and 176 in order to be wound on the waste roller 50.
  • the portion of film comprised between the rollers 168 and 170 is stretched under the die 148.
  • the operator by pressing the buttons 30 ( Figure 1), then controls the reverse translation of the drawer 74, which is thus replaced under the matrix 148.
  • the bellows cylinder 70 is then pressurized, so that the film thermoforming 44 is clamped between the welding frame 160 and the drawer.
  • the vertical force exerted by pinching the film compresses the elastic stops 82, thus ensuring sealing between the drawer 74 and the lower frame 72. It follows that the enclosure defined by the heating plate 144, the drawer 74, the frame 72 and the lower plate 52 is hermetically closed.
  • the upper port 154 is then vented, and through the lower port 138, air is injected at low pressure, of the order of 50,000 Pa (0.5 bar), which enters the the sealed enclosure defined above, by pressing the thermoforming film 44 on the concave face 158 of the heating matrix, the time necessary to obtain a softening compatible with thermoforming.
  • low pressure of the order of 50,000 Pa (0.5 bar)
  • the film is blown towards the concave face 158 and not sucked up. The risk of blocking the orifices 156 of the matrix is therefore greatly reduced.
  • the shearing blades 106 penetrate into the groove 164 and shear the film, leaving a peripheral lip 177 protruding outside the container (FIG. 2). All the pressure of the jack 108 is then exerted to pinch the film between the thermoforming box 116 and the welding frame 160.
  • the upper port 154 is switched to the source of compressed air and the lower port 138 is vented.
  • the compressed air passing through the holes 156 drilled through the die, pushes the film which is applied against the interior walls of the container 126.
  • the air located under the film escapes through the joints of the container and channels 130, to orifices 132, 134, 136 and 138.
  • a pressure switch cuts off the admission of compressed air at 154.
  • a time delay maintains this pressure for the time necessary for the cooling and stabilization of the thermoformed film.
  • the jack 108 is vented to the atmosphere.
  • the boxes 100 and 116 descend and the overpressure air contained in the thermoformed packaging escapes through the upper periphery of the box 116 towards the orifice 138 passing through the space provided between the boxes 74 and 100.
  • the air intake is then shut off in the bellows cylinder 70 which is vented.
  • the intermediate plate 58 rises in the high position under the action of the springs 64, until the stops 68 come into contact with the upper plate.
  • the carriage 84 being released, the drawer can be released from the machine towards the work table 26 (FIG. 1).
  • vertical ejectors 180 (FIG. 2) actuated by a jack 182 by means of a lever 184, penetrate through the orifices 136, 134, 132 to release the container 126 from the thermoforming box. The cycle is thus completed.
  • thermoforming film is removed and replaced by the sealing film 48 which is passed over the same path. Only resistor 162 is energized.
  • the movable carriage 84 being released from the machine, the operator introduces into the thermoforming box 116 a container 126 containing the foodstuff to be packaged. It controls by pressing the two buttons in series 30, the transfer of the carriage inside the machine by the action of the jack 92.
  • the arrival of the carriage in the axis of the machine controls the admission of the compressed air in the bellows cylinder 70, which then lowers the intermediate plate 58.
  • the sealing film 48 is therefore pinched between the drawer 74 and the welding frame 160.
  • the pressure exerted by the jack 70 pushes the drawer 74 downwards, which compresses the elastic stops 82.
  • the drawer is applied to the lower frame 72 and the sealed enclosure is therefore closed.
  • the vacuum is established on the orifices 138 and 154 so that the first are balanced on the lower and upper faces of the sealing film.
  • the vacuum is also established in the bellows jack 108.
  • the vacuum is cut on the orifices 138 and 154 and the latter are switched to the circuit for supplying the reinjection gas.
  • the pressure of this gas equilibrates with atmospheric pressure, the admission of gas is stopped at orifices 138 and 154. From this moment, the air compressed is admitted into the bellows jack 108.
  • the plate 110 lifts, causing in its movement the shear box 100.
  • the lower plate 52 can be made adjustable in height so that containers of different heights can be treated, without further modification of the machine.
  • the lower plate is supported at its four corners by nuts 188 ( Figures 2 and 3) screwed onto the columns 56. These nuts are made synchronous in movement by a toothed belt 190 which is wound on the nuts and on a motor pinion 192 driven by a crank 194 or by any other suitable motor means.
  • the machine can be used for the simultaneous treatment of several containers at the same time, for example two or four, which can be inscribed inside the drawer 74.
  • the shearing and thermoforming boxes 116 , as well as the die 148 are disassembled and replaced by other boxes and dies of smaller dimensions, equipped to allow the nipping and shearing of the thermoforming or sealing films, both along the periphery of all the containers in place in the thermoforming box.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Vacuum Packaging (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
EP88400299A 1987-02-10 1988-02-09 Machine pour le thermoformage d'un film étanche à l'intérieur d'un conteneur en carton pour l'emballage d'une denrée à conserver et pour l'operculage du conteneur Expired - Lifetime EP0281450B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88400299T ATE60545T1 (de) 1987-02-10 1988-02-09 Maschine zum thermoformen eines films im innern eines kartonbehaelters zum verpacken eines lebensmittels zum konservieren und zum abschliessen des behaelters.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8701629 1987-02-10
FR8701629A FR2610595B1 (fr) 1987-02-10 1987-02-10 Machine pour le thermoformage d'un film etanche a l'interieur d'un conteneur en carton et pour l'operculage du conteneur

Publications (2)

Publication Number Publication Date
EP0281450A1 EP0281450A1 (fr) 1988-09-07
EP0281450B1 true EP0281450B1 (fr) 1991-01-30

Family

ID=9347761

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88400299A Expired - Lifetime EP0281450B1 (fr) 1987-02-10 1988-02-09 Machine pour le thermoformage d'un film étanche à l'intérieur d'un conteneur en carton pour l'emballage d'une denrée à conserver et pour l'operculage du conteneur

Country Status (21)

Country Link
US (1) US4862671A (fi)
EP (1) EP0281450B1 (fi)
JP (1) JPS63216724A (fi)
AR (1) AR243455A1 (fi)
AT (1) ATE60545T1 (fi)
AU (1) AU593976B2 (fi)
BR (1) BR8800599A (fi)
CA (1) CA1294526C (fi)
DE (1) DE3861687D1 (fi)
DK (1) DK64888A (fi)
ES (1) ES2019692B3 (fi)
FI (1) FI880437A (fi)
FR (1) FR2610595B1 (fi)
GR (1) GR3001407T3 (fi)
IL (1) IL85376A0 (fi)
MA (1) MA21176A1 (fi)
NO (1) NO880530L (fi)
NZ (1) NZ223434A (fi)
PT (1) PT86731B (fi)
TR (1) TR23564A (fi)
ZA (1) ZA88942B (fi)

Families Citing this family (16)

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Publication number Priority date Publication date Assignee Title
US5183706A (en) * 1990-08-03 1993-02-02 W. R. Grace & Co.-Conn. Forming web for lining a rigid container
FR2802464A1 (fr) * 1999-12-17 2001-06-22 Rene Lacroix & Cie Ets Procede de realisation d'une boite d'emballage
IL157964A0 (en) * 2001-04-30 2004-03-28 Trespaphan Gmbh Method for the production of biologically-degradable packagings made from biaxially-drawn films
AU2003903509A0 (en) * 2003-07-08 2003-07-24 Tna Australia Pty Limited A packaging machine former support
US7888405B2 (en) 2004-01-30 2011-02-15 E. I. Du Pont De Nemours And Company Aliphatic-aromatic polyesters, and articles made therefrom
GB0605468D0 (en) * 2006-03-17 2006-04-26 Ishida Europ Ltd Tray sealing machine
CN101337593B (zh) * 2007-07-05 2011-09-14 陈惠美 流体封装成型装置及方法
FR2928626B1 (fr) * 2008-03-11 2016-07-29 Guelt Ind Dispositif d'operculage etanche de contenants
US20130062400A1 (en) 2010-04-30 2013-03-14 Cfs Germany Gmgh Packaging container comprising an outer cardboard structure and an insert made of plastic film
RU2518621C2 (ru) * 2012-03-20 2014-06-10 Открытое акционерное общество "Корпорация "Росхимзащита" (ОАО "Корпорация "Росхимзащита") Термоформовочная установка для изготовления формованных изделий из полимерной пленки
ITVA20130067A1 (it) * 2013-12-20 2015-06-21 Rivac Srl Sistema di anticontaminazione e di sicurezza per l'operatore, applicato a macchine termosigillatrici per il riempimento e la sigillatura di contenitori con liquidi.
FR3021897B1 (fr) 2014-06-10 2016-12-02 Generation Tech Presse de formage multifonctionnelle compacte
DE102016123569A1 (de) * 2016-12-06 2018-06-07 Multivac Sepp Haggenmüller Se & Co. Kg Schalenverschließmaschine
FR3094911B1 (fr) 2019-04-10 2022-08-12 Novetud Dispositif pour réaliser des pièces par thermoformage
EP3962825B1 (de) 2019-05-02 2024-04-10 GEA Food Solutions Germany GmbH Verpackungsbehälter mit einer äusseren kartonstruktur und einer einlage aus kunststofffolie
CN112659533B (zh) * 2020-11-20 2022-05-27 安徽胜利精密制造科技有限公司 一种笔记本外壳贴膜方法

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Publication number Priority date Publication date Assignee Title
US3377770A (en) * 1967-01-17 1968-04-16 Stone Container Corp Skin-packaging apparatus
US3895475A (en) * 1974-04-18 1975-07-22 Young William E Method and apparatus for vacuum skin packaging of soft meat and the like
FR2411701A1 (fr) * 1977-12-19 1979-07-13 Impression Cartonnage Ste Pari Procede et dispositif pour l'obtention d'un emballage ainsi que l'emballage ainsi obtenu
FR2503620A1 (fr) * 1981-04-14 1982-10-15 Del Grande Lorenzo Appareil pour la fermeture, pour l'emballage et la commercialisation d'un moule dans lequel un produit alimentaire est moule avant cuisson
US4685274A (en) * 1983-07-12 1987-08-11 Garwood Ltd. Packaging foodstuffs

Also Published As

Publication number Publication date
PT86731B (pt) 1993-08-31
FI880437A0 (fi) 1988-02-01
US4862671A (en) 1989-09-05
FR2610595B1 (fr) 1989-06-16
NZ223434A (en) 1989-09-27
NO880530D0 (no) 1988-02-08
MA21176A1 (fr) 1988-10-01
ZA88942B (en) 1988-08-10
BR8800599A (pt) 1988-09-27
AR243455A1 (es) 1993-08-31
AU593976B2 (en) 1990-02-22
FR2610595A1 (fr) 1988-08-12
TR23564A (tr) 1990-04-03
JPS63216724A (ja) 1988-09-09
ATE60545T1 (de) 1991-02-15
PT86731A (pt) 1989-02-28
IL85376A0 (en) 1988-07-31
GR3001407T3 (en) 1992-09-25
DK64888A (da) 1988-08-11
NO880530L (no) 1988-08-11
DK64888D0 (da) 1988-02-09
EP0281450A1 (fr) 1988-09-07
DE3861687D1 (de) 1991-03-07
ES2019692B3 (es) 1991-07-01
AU1144788A (en) 1988-08-11
CA1294526C (fr) 1992-01-21
FI880437A (fi) 1988-08-11

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