EP0294734A1 - Feuille d'emballage pour plaques rectangulaires, en particulier pour le chocolat, et procédé de fabrication - Google Patents

Feuille d'emballage pour plaques rectangulaires, en particulier pour le chocolat, et procédé de fabrication Download PDF

Info

Publication number
EP0294734A1
EP0294734A1 EP88108978A EP88108978A EP0294734A1 EP 0294734 A1 EP0294734 A1 EP 0294734A1 EP 88108978 A EP88108978 A EP 88108978A EP 88108978 A EP88108978 A EP 88108978A EP 0294734 A1 EP0294734 A1 EP 0294734A1
Authority
EP
European Patent Office
Prior art keywords
fold
blank
sealing seam
cover sheet
underside
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.)
Granted
Application number
EP88108978A
Other languages
German (de)
English (en)
Other versions
EP0294734B1 (fr
Inventor
Wilhelm Hogenkamp
Gert Wostbrock
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.)
Kloeckner Haensel GmbH
Otto Hansel GmbH
Original Assignee
Kloeckner Haensel GmbH
Otto Hansel 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 Kloeckner Haensel GmbH, Otto Hansel GmbH filed Critical Kloeckner Haensel GmbH
Publication of EP0294734A1 publication Critical patent/EP0294734A1/fr
Application granted granted Critical
Publication of EP0294734B1 publication Critical patent/EP0294734B1/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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/60—Containers, packaging elements or packages, specially adapted for particular articles or materials for sweets or like confectionery products
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/06—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes
    • B65D75/12—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes with the ends of the tube closed by flattening and heat-sealing
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/20—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding

Definitions

  • the invention relates to a wrapping for tabular goods, in particular chocolate bars, which consists of a one-piece blank, which is wrapped asymmetrically around the table with the formation of a cover sheet and which has an envelope material tube formed in the area by a longitudinal sealing seam lying on the longitudinal side of the table the head ends of the panel are closed by a forehead fold that detects the longitudinal sealing seam as a component of the wrapping material tube and is folded over onto the underside of the panel with the formation of an underlap, the cover sheet of the folded-over regions of the forehead fold being connected to the part of the wrapping material tube lying on the underside of the panel.
  • the invention shows a method for producing such a wrapper for tabular goods, in particular chocolate bars, in which a one-piece blank made of sealable material is placed around the bar and sealed at the upper longitudinal edge of the long side of the bar to form an envelope material tube along a longitudinal sealing seam, whereupon the the envelope material tube protruding from the head ends of the panel is closed with a forehead fold and folded over onto the underside of the panel, and the cut-off part projecting beyond the longitudinal seam is folded as a cover sheet onto the underside of the panel and connected to the part of the envelope material tube located there.
  • a one-piece blank made of sealable material is placed around the bar and sealed at the upper longitudinal edge of the long side of the bar to form an envelope material tube along a longitudinal sealing seam, whereupon the the envelope material tube protruding from the head ends of the panel is closed with a forehead fold and folded over onto the underside of the panel, and the cut-off part projecting beyond the longitudinal seam is folded as a cover sheet onto the underside of the panel and connected
  • DE-OS 34 44 950 shows such an envelope packaging made of a rectangular blank, cut out according to the dimensions of the panel, of sealable material, in which the longitudinal sealing seam of the envelope material tube is attached to the Longitudinal side of the panel is provided.
  • This longitudinal sealing seam is arranged and formed such that the relevant cut parts begin in the area of the upper longitudinal edge of the board, which results between the top of the board as a large area of the board and a long side of the board.
  • the material of the longitudinal sealing seam at least partially reaches the area of the panel following the longitudinal seam when the protruding blank part is folded towards the underside of the panel or the casing material tube.
  • a sheet of material is used as a cut, which is cut out in corner areas following the cover sheet, so that no underlap occurs here and the cover sheet is also not part of the wrapping material tube, but protrudes from it during the production of the wrapper and only at the end of the packaging process turned over to the underside of the board and fixed there.
  • the attachment of the gates to the blank requires an additional operation, although it is of course possible to give the cover sheet the desired, slightly trapezoidal outline, which can otherwise only be achieved by an underlap. But here, too, the single-skin packaging already has the proper appearance of an envelope fold.
  • the attachment of a forehead fold on the one hand and a transverse seal are possible without any problems, because the notches on the blank have no connection with the blank part forming the cover sheet and therefore do not interfere with it.
  • EP 161 214 or also DE-OS 36 05 783 also show a wrapper and a method for its production, in which a single, i.e. one-piece, rectangularly delimited and multi-layer blank is used, which may or may not be heat-sealable.
  • a layer of the multilayer blank can consist of an aluminum foil. The cut becomes asymmetrical around the board laid around so that a protruding blank is formed.
  • a longitudinal sealing seam is made on a long side of the sheet by means of a corresponding seal by sealing the free edge of the blank against the underside of the blank part. Then the front ends of the wrapping material hose are folded in and folded against the underside of the board.
  • cover sheet is formed from the blank and folded over onto the underside of the panel, in such a way that the folds of the end faces are partially covered.
  • the longitudinal seal seam is applied so that it extends following the edge that is formed between the underside of the board and a long side of the board.
  • the longitudinal seal seam is part of the protruding blank or cover sheet, not the wrapping material hose.
  • the blank with the longitudinal sealing seam protrudes outwards and is therefore not part of the actual wrapping material tube, on the contrary, due to the stiffening of the blank by the longitudinal sealing seam, there is a risk that a clean fold with a defined folding line will occur in the
  • the area of the two end faces is at least made more difficult, if not impossible, especially when the ends of the casing material tube are only entrained by tappets.
  • the tightness of the packaging is problematic in this area. It should also be possible to laterally seal the forehead folds formed before turning over, but it remains to be seen how this could be done and how the difficulties caused by the position of the longitudinal sealing seam and the protruding seam are eliminated Blank or cover sheet are caused.
  • CH-PS 327 555 shows a method and a packaging for tabular objects, in particular chocolate bars, in which a rectangular blank of heat-sealable material or of material with a heat-sealable coating is used.
  • the blank is first placed in a U-shape around the panel to be packaged in such a way that the blank material is distributed symmetrically with respect to a long side of the panel and the two legs of the blank material lie on the two large surfaces of the panels.
  • the two protruding blank parts are then folded up parallel to the other long side of the sheet and connected to one another in the longitudinal direction by a heat seal seam.
  • the two edges of the blank that are connected in this way are unfolded onto the top of the board, in such a way that the edges cut through the large area.
  • a sheath material tube is formed from the blank, the ends of which protrude at the ends are folded in and these end folds are folded over at a right angle to the panel.
  • cross sealing is carried out using heat.
  • the folded end faces are then folded onto the underside of the board.
  • the invention has for its object to show a single-walled packaging and a method for its production, in which the notching of the blank from sealable material is saved and while maintaining the appearance of an envelope fold, the tightness of the packaging is improved in particular by enabling a transverse seal.
  • the wrapping for tabular goods of the type described above is characterized according to the invention in that the cut is rectangularly limited, that the cover sheet is formed by the folding in of the folds, so that the cover sheet and the underlays are provided free of constituents of the longitudinal sealing seam, and that the forehead fold is bridged by a transverse sealing seam which is arranged in the partial area of the forehead fold which is folded over onto the underside of the panel and covered by the cover sheet.
  • the arrangement of the longitudinal sealing seam of the wrapping material hose has an advantageous effect not only when using cut-out blanks, but also when using rectangularly limited blanks, because the longitudinal sealing seam is included in the area of the wrapping material hose and thus reinforces a longitudinal side of the wrapping material hose in the protruding area, which is good for the wrinkling of the forehead folds is quite beneficial.
  • the application of the forehead fold and a transverse sealing seam without hindrance by attached cut parts is only possible if the protruding cut part is turned over on the underside of the panel before the forehead fold is formed, which usually happens much later during the manufacturing process. However, this enables the forehead folding to be carried out with defined, reproducible fold lines.
  • This defined forehead fold is in turn a prerequisite for the attachment of the transverse sealing seam in such a state that tightness is achieved in this area right into the corners.
  • the transverse sealing seam can thus extend across the entire width of the forehead fold, bridging it. This advantageously also counteracts the formation of cannulas which endanger the tightness of the single-sleeve packaging. Since the cut part turned down is not sealed in spite of the transverse sealing being carried out because its sealable layer bears against a non-sealable layer of the forehead fold, the cut part can be opened again after the transverse sealing and the cover sheet formed from it by applying underlaps then finally folded back onto the bottom after the forehead folds have been turned over.
  • the method of the type described at the outset is characterized according to the invention in that, starting from a rectangularly limited blank, subsequent to the formation of the longitudinal seal seam, the blank part projecting beyond the longitudinal seal seam is placed on the underside of the panel, so that the blank part as part of the wrapping material tube also fits the panel surrounds that in this state, after the forehead fold has been applied, the envelope material tube protruding at the head ends of the panel, including the longitudinal sealing seam, is tightly closed at both ends by a cross seal, which is also guided over the blank, and that the envelope material tube is opened after the cross seal by pivoting the blank part in order to fold the parts of the wrapping material tube covered by the transverse sealing and forehead fold and only then to cut the blank part back onto the underside of the panel, forming underlaps, and to fix it there eren.
  • the longitudinal sealing seam of the wrapping material hose By forming the longitudinal sealing seam of the wrapping material hose at another point, namely following the longitudinal edge of the panel between the top of the panel and a long side, various advantages are achieved.
  • the longitudinal seal seam moves away from the cover sheet into the area of the forehead fold and the longitudinal seal seam does not hinder the formation of the underlap on the cover sheet.
  • the longitudinal sealing seam also does not hinder the implementation of the forehead folding and the transverse sealing, just as little as the cover sheet itself. In this configuration, however, the cut part can be held as part of the wrapping material hose in contact with the underside of the panel while the transverse sealing is being carried out.
  • the entire material can be painted over in the corresponding areas during the transverse sealing, without a protruding blank or cover sheet hindering this transverse sealing.
  • the cross sealing is thus easier and more reliable than in the prior art.
  • the wrapper does not get the appearance of a tubular bag package, but it advantageously retains the decorative appearance of an envelope fold, as is appreciated by chocolate buyers.
  • the envelope material hose protruding from the head ends of the panel can be folded in in a targeted and defined manner, with the exception of the cut part, and the parts of the envelope material tube can be brought into the plane determined by the underside of the panel, so that the cross-sealing takes place in this position.
  • the cut part, including its material areas that later form the fold, is located in a plane in which the other material parts of the forehead fold also come to rest.
  • the cross seal is easy to carry out at this level and it seals the single-pack.
  • the fold is folded over when the parts of the cross-sealed envelope material hose are folded under.
  • the longitudinal seal seam does not hinder the formation of the flap and this can advantageously be carried out in such a way that the cover sheet has a slightly trapezoidal outline, but which covers the essential area of the underside of the board.
  • a chocolate bar 1 is shown or indicated in FIGS. 1 and 2, which has a top 2 and a bottom 3 as large areas. As further surfaces, the chocolate bar 1 has two long sides 4 and 5 and two end faces 6.
  • the two ends of the blank protrude freely from an upper longitudinal edge 8, which is formed as an edge between the upper side 2 and the long side 4, but differently far.
  • the relative position is such that the shorter end of the blank 7 rests in the end region on the long side 4 and has an end strip 9 with its coated side facing upwards, the width of which corresponds to the distance or height of the long side 4, so that the end edge of the 3 and 4 in the region of a lower longitudinal edge 10, which is formed on the chocolate bar 1 between the long side 4 and the underside 3 as an edge.
  • a transverse seal 11 is formed in the area of the end strip 9 by longitudinal sealing, which is indicated by two arrows in FIG. 2 and which more or less completely or partially covers the relevant areas of the blank 7. It is important that this longitudinal sealing seam 11 forms a wrapping material tube 12 around the cross section of the chocolate bar 1, which already provides the required tightness in the longitudinal direction.
  • the asymmetrically protruding end of the blank 7 forms a blank part 13, which is dimensioned in its width so that after being folded onto the underside 3 of the tablet 1, this underside is essentially covered and almost a lower longitudinal edge 14 of the chocolate bars 1 is reached, which is formed as an edge between the bottom 3 and the long side 5.
  • the region of the longitudinal sealing seam 11 of the blank 7 is folded over and counterfolded against the long side 4 of the chocolate bar 1 and, in continuation thereof, the blanking part 13 is folded under parallel to the underside 3 of the bar 1 , so that the state according to FIGS. 3 and 4 is reached and the cutting part 13 has become part of the enveloping material hose 12, as it were.
  • This reinforcing effect supports or facilitates the formation of a defined forehead fold with defined and specifically placed fold lines 15, 16, areas 17 and 18 initially being folded over laterally, as is shown in FIG. 5 and completed in FIG. 6.
  • the area 17 corresponds to the multilayer material and in particular contains the longitudinal sealing seam 11.
  • the longitudinal sealing seam 11 is therefore not part of the blank 13 (or a cover sheet formed thereafter), which is still folded parallel to the underside 3 of the chocolate bar 1.
  • transverse sealing seam 21 is applied by transverse sealing in both end regions, which is illustrated by a double dashed line.
  • pressure in the direction of the arrows 22 is applied.
  • material combines in which the coated sides are arranged facing each other.
  • the cut part 13, over which the cross seal is also passed, lies with its sealable layer against an outside of the cut 7, so that it does not bond.
  • the transverse sealing seams also extend over fold lines and ultimately lead to the chocolate bar being tightly enclosed or closed in connection with the longitudinal sealing seam 11.
  • the blank 13 has a folded edge 23, which runs obliquely and represents the transition point between the components of the forehead fold and an underlap 24, which is formed from corner regions of the blank 13, as is illustrated in FIGS. 8 and 9.
  • the cutting part 13 can be opened again, that is to say can be pivoted away from the underside 3 of the chocolate bar 1. This pivoting process allows an angle of approximately up to 120 °, the parts of the forehead fold with the gusset 19 being possible at the same time in a position perpendicular to the large areas of the chocolate bar or in contact with the end faces 6.
  • the fold line 23 is folded through 180 ° by completely folding the areas of the forehead fold, that is to say bringing them parallel to the underside 3 of the chocolate bar 1, as shown in FIG. 10.
  • the cover sheet 25 formed from the blank 13 and the underlaps 24 already closes a little.
  • the cover sheet 25 is folded up completely onto the underside 3 of the chocolate bar 1 and connected to the material areas of the forehead fold and the blank 7 located there, this connection being able to be made by gluing, the details of which are not shown for reasons of clarity
  • Folds 24 are folded slightly obliquely, but in such a way that the areas of the forehead fold folded down are covered by the folds 24 and the cover sheet 25.
  • the packaged board thus has the classic appearance of an envelope fold and the underside of the packaging is also covered over the entire surface due to the largely continuous cover sheet 25.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Basic Packing Technique (AREA)
  • Packages (AREA)
EP88108978A 1987-06-12 1988-06-04 Feuille d'emballage pour plaques rectangulaires, en particulier pour le chocolat, et procédé de fabrication Expired - Lifetime EP0294734B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3719610A DE3719610C1 (de) 1987-06-12 1987-06-12 Einhuellenverpackung fuer tafelfoermige Warenstuecke,insbesondere Schokoladetafeln,sowie Verfahren zu ihrer Herstellung
DE3719610 1987-06-12

Publications (2)

Publication Number Publication Date
EP0294734A1 true EP0294734A1 (fr) 1988-12-14
EP0294734B1 EP0294734B1 (fr) 1991-09-04

Family

ID=6329543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88108978A Expired - Lifetime EP0294734B1 (fr) 1987-06-12 1988-06-04 Feuille d'emballage pour plaques rectangulaires, en particulier pour le chocolat, et procédé de fabrication

Country Status (4)

Country Link
US (1) US4897983A (fr)
EP (1) EP0294734B1 (fr)
DD (1) DD270688A5 (fr)
DE (1) DE3719610C1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007132330A1 (fr) * 2006-05-17 2007-11-22 Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A. Procédé et dispositif d'emballage de produits
IT201700010618A1 (it) * 2017-02-01 2018-08-01 Cmfima S R L Processo per l'incarto almeno parzialmente sigillato di singoli prodotti

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6151869A (en) * 1988-09-26 2000-11-28 Southpac Trust International, Inc. Method for wrapping a food item
US5479761A (en) * 1988-09-26 1996-01-02 Highland Supply Corporation Method of wrapping a food item
DE3927561A1 (de) * 1989-08-21 1991-02-28 Jacobs Suchard Gmbh Verpackung sowie zuschnitt und verfahren zur herstellung derselben
DE19626157C2 (de) * 1996-06-28 1999-08-19 Pactec Verpackungsmaschinen Fa Verfahren und Verpackungsvorrichtung zum Verpacken kleinstückiger Artikel
US6088997A (en) 1997-04-03 2000-07-18 Southpac Trust International, Inc. Method for providing a decorative covering for a flower pot
US6203309B1 (en) 1998-08-10 2001-03-20 Wagner Spray Tech Corporation Apparatus for embossing paint rollers
ITTO20010075A1 (it) * 2001-01-26 2002-07-26 Innopack S R L Metodo e macchina di incarto di risme di fogli.
US20040112010A1 (en) * 2002-08-08 2004-06-17 Mars, Incorporated Tamper evident packaging labels
EP1508519A1 (fr) 2003-08-20 2005-02-23 Mars Incorporated Procédé et dispositif pour l'emballage de produits et paquet de produits emballes
GB0408840D0 (en) * 2004-04-21 2004-05-26 Reckitt Benckiser Nv Tubular sachet pack
EP1967465A1 (fr) * 2007-03-05 2008-09-10 Mars Incorporated Produits conditionnés et réseau ou bandoulière de produits conditionnés
IT1399241B1 (it) * 2010-01-29 2013-04-11 Sacmi Packaging Spa Gruppo elevatore per macchina confezionatrice

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0161214A2 (fr) * 1984-05-07 1985-11-13 SAPAL, Société Anonyme des Plieuses Automatiques Procédé de conditionnement et conditionnement realisé selon ce procédé
DE3444950A1 (de) * 1984-12-10 1986-06-12 Otto Hänsel GmbH, 3000 Hannover Verfahren zur herstellung einer verpackung fuer tafelfoermige warenstuecke, insbesondere fuer schokoladetafeln und die hiernach erstellte tafelpackung
DE3605783A1 (de) * 1985-03-11 1986-09-11 Sig Schweizerische Industrie-Gesellschaft, Neuhausen Am Rheinfall Verpackung fuer ein tafelfoermiges produkt, insbesondere eine schokoladetafel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2070736A (en) * 1934-01-29 1937-02-16 Gerh Arehns Mek Verkst Ab Method of covering articles with wrappers
US2449334A (en) * 1944-05-04 1948-09-14 Package Machinery Co Method of packaging
US2651578A (en) * 1949-12-13 1953-09-08 Stephen Bodolay Inc Package and method of making it
CH327555A (fr) * 1955-10-28 1958-01-31 Sapal Plieuses Automatiques Procédé d'emballage de plaques rectangulaires
CH668952A5 (de) * 1986-02-06 1989-02-15 Sig Schweiz Industrieges Verfahren und verpackung zum verpacken eines tafelfoermigen produktes, insbesondere einer schokoladetafel.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0161214A2 (fr) * 1984-05-07 1985-11-13 SAPAL, Société Anonyme des Plieuses Automatiques Procédé de conditionnement et conditionnement realisé selon ce procédé
DE3444950A1 (de) * 1984-12-10 1986-06-12 Otto Hänsel GmbH, 3000 Hannover Verfahren zur herstellung einer verpackung fuer tafelfoermige warenstuecke, insbesondere fuer schokoladetafeln und die hiernach erstellte tafelpackung
DE3605783A1 (de) * 1985-03-11 1986-09-11 Sig Schweizerische Industrie-Gesellschaft, Neuhausen Am Rheinfall Verpackung fuer ein tafelfoermiges produkt, insbesondere eine schokoladetafel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007132330A1 (fr) * 2006-05-17 2007-11-22 Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A. Procédé et dispositif d'emballage de produits
IT201700010618A1 (it) * 2017-02-01 2018-08-01 Cmfima S R L Processo per l'incarto almeno parzialmente sigillato di singoli prodotti
EP3357818A1 (fr) * 2017-02-01 2018-08-08 Cmfima S.R.L. Procédé d'emballage au moins partiellement scellé de produits individuels

Also Published As

Publication number Publication date
EP0294734B1 (fr) 1991-09-04
DE3719610C1 (de) 1988-12-22
DD270688A5 (de) 1989-08-09
US4897983A (en) 1990-02-06

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