EP2735438A1 - Emballage doté d'une aide à l'ouverture linéaire - Google Patents

Emballage doté d'une aide à l'ouverture linéaire Download PDF

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Publication number
EP2735438A1
EP2735438A1 EP12193512.6A EP12193512A EP2735438A1 EP 2735438 A1 EP2735438 A1 EP 2735438A1 EP 12193512 A EP12193512 A EP 12193512A EP 2735438 A1 EP2735438 A1 EP 2735438A1
Authority
EP
European Patent Office
Prior art keywords
monofilm
tool
line
film
packaging
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.)
Withdrawn
Application number
EP12193512.6A
Other languages
German (de)
English (en)
Inventor
Ulf Seifert
Dirk Kaczmarek
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.)
Mondi AG
Original Assignee
Mondi AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mondi AG filed Critical Mondi AG
Priority to EP12193512.6A priority Critical patent/EP2735438A1/fr
Publication of EP2735438A1 publication Critical patent/EP2735438A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness
    • 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
    • B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • 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
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B31B50/256—Surface scoring using tools mounted on a drum
    • 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
    • B65D75/008—Standing pouches, i.e. "Standbeutel"
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/04—Containers or packages with special means for dispensing contents for dispensing annular, disc-shaped, or spherical or like small articles, e.g. tablets or pills
    • B65D83/0481—Containers or packages with special means for dispensing contents for dispensing annular, disc-shaped, or spherical or like small articles, e.g. tablets or pills the articles passing through a small opening or passage, without additional dispensing devices and without retaining means for the following article

Definitions

  • the invention relates to a production apparatus for producing an opening aid in a packaging film.
  • the invention further relates to a production method for producing an opening aid in the packaging film.
  • the invention relates to a packaging film with line-like opening aid.
  • the invention further relates to a packaging made from a packaging film.
  • a package in the form of a container closed with a foil lid with a line-like opening aid is for example from EP2374604A1 known.
  • the foil lid has a weakening zone defining a circular opening.
  • the weakening zone is formed by a linear laser perforation that extends through a first and a second layer group through to a carrier film.
  • the laser beam melts the material of the two groups of layers and allows it to evaporate, but the laser does not penetrate through the carrier film, but is reflected because of localized metallization on this metallization.
  • the weakening line produced along a film web at periodic intervals with the help of a laser is accompanied on both sides by a material structure (about 2-3 microns) of molten foil material, which in the case of a roll product having a few thousand layers always lies on the same cross-sectional area of the roll product comes and leads there to a so-called "piston ring".
  • the penetration depth of the laser can be influenced by the printed images.
  • the printed image can have an influence on the tear-open behavior of the film along the opening aid.
  • a laser for producing a line-like opening aid can not be used because the laser would penetrate the film.
  • the object of the invention is therefore a production device for producing a line of weakness in a monofilm for the purpose of providing an opening aid for opening a package produced by means of the monofilm, comprising a tool for mechanical interaction with the monofilm on its first side for the realization of an incision as a line of weakness the incision at a depth along the cross-section of the monofilm ends, which depth is less than the thickness of the monofilm, so that the second side of the monofilm is intact.
  • the subject of the invention is a method wherein the method comprises the following method steps, namely feeding a monofilm to a production device for producing a line of weakness in the monofilm in order to realize an opening aid for Opening a package produced by means of the monofilm, wherein the manufacturing device comprises a tool, and mechanical interaction of the tool with the monofilm on its first side, wherein the tool penetrates so deep into the monofilm that an incision is created as the line of weakness and the incision at a depth along the cross-section of the monofilm, which depth is less than the thickness of the monofilm, so that the second side of the monofilm remains intact.
  • the subject of the invention is a monofilm whose structure, in particular its internal structure, is free of a laser light reflecting layer or layer, in particular multilayer coextruded monofilm, comprising a line of weakness for the realization of an opening aid for opening a package made using the monofilm wherein the line of weakness is realized by an incision in the first side of the monofilm and the incision terminates at a depth along the cross-section of the monofilm, which depth is less than the thickness of the monofilm, so that the second side of the monofilm is intact.
  • the subject of the invention is a packaging made from or closed by means of a monofilm according to the invention.
  • the advantage is obtained that even with a monofilm waiving laser light effect, a trouble-free production of a weakening line in the monofilm is made possible.
  • a trouble-free production of a weakening line in the monofilm is made possible.
  • the action of laser light in which an electromagnetic wave interacts with a film and there leads to a melting or evaporation and in particular on its surface also for displacing the plastic (production of a material structure)
  • a clean burr-free weakening line is produced in the surface of the monofilm, wherein along the line of weakness the film is scratched from its first side, but not completely penetrated.
  • the monofilm may preferably be a BOPP film (biaxially oriented polypropylene).
  • This monofilm is used in the packaging industry mainly on tubular bag machines (horizontal and vertical).
  • Such a monofilm is produced in a single step using an extruder. It can also be produced in a single step as a coextruded monofilm.
  • said monofilm is not a composite film produced by adhesive lamination.
  • Monofoil finds its application as a component of such a composite film using e.g. a BOPP monofilm with a PE film or a BOPP monofilm is adhesive-laminated with another BOPP monofilm.
  • the tool may have a flat or rounded region-by-region elevation or region for co-operation with the monofilm (e.g., pinch-together), that is, to create the line of weakness.
  • the material of the tool in particular that part which cooperates with the monofilm, may be a plastic, a ceramic or a metal, etc.
  • the tool has a - in particular metallic - knife.
  • the knife may have a height of about 0.2 to 5 mm, preferably 1 to 2 mm.
  • the knife may be attached to a punch that is moved toward the monofilm by means of drive means of the manufacturing apparatus and away from the monofilm so that the knife can be precisely moved with respect to its depth of immersion in the monofilm.
  • the production device is operated analogously to the working principle of a punching device, but with the difference that no material punched out of the monofilm (ie cut away), but only the Monofolie scribed becomes.
  • the knife is mounted on a magnetic metal plate (eg, a thin plate), such as welded to this metal plate, so that it is as simple as possible and yet firmly adhering to the stamp attached.
  • the production device has a reference element which serves to define a reference position of the monofilm, and in which case the tool can be positioned in relation to the monofilm in that the tool can penetrate into the monofilm brought in the reference layer from the first side and can be pulled out of it.
  • the reference element is designed in the form of a plate. The reference element supports the packaging film in this case from its rear side. The back side in the present context is the side intended to serve as the inside of the packaging.
  • the punch is attached with the attached knife to the front of the monofilm, and to such an extent that the tool causes an incision in the monofilm, which ends at a depth along the cross section of the monofilm, which depth is less than the thickness of the monofilm is so that the second side (back) of the monofilm is intact.
  • the monofilm can be supplied in the form of a web, stopped in the reference position, processed with the tool and then moved on by one packing segment length.
  • the production device has a rotatably mounted first - in particular metallic - cylinder, and the tool is attached to the cylinder.
  • the monofilm is continuously moved past.
  • the knife may be attached to a thin, bendable magnetic metal plate (sheet metal plate), eg welded there.
  • the metal plate may be struck around the first cylinder and adheres to the first cylinder because of the magnetic attraction.
  • the drive means cause a rotation of the first cylinder together with the tool attached thereto, eg a knife.
  • Parallel to the tool carrying the first cylinder is another, second - in particular metal safe - cylinder located as a reference element, for example, below the first cylinder.
  • the manufacturing device operated according to the working principle of a rotary die, but with the difference that no material punched out of the monofilm (ie cut away), but only the Monofolie is scratched.
  • the drive means ensure a synchronous rotation of the two cylinders, so that the monofilm can move between them like a sheet.
  • the drive means can also be formed with movement means for moving the monofilm, that is, for example, for unwinding and winding on carrier or transport rollers and for moving further guide rollers or interact with the movement means. This ensures that there is no difference between the peripheral speed of the tool and the linear speed of the web-like monofilm. Consequently, it is ensured that when interacting with the tool shearing forces in the monofilm are avoided.
  • the monofilm is moved at a constant speed, whereas the first cylinder is rotated at a variable speed.
  • the cylinder is accelerated or decelerated to the rotational speed adapted to the speed of the monofilm.
  • the first cylinder can also rotate at a constant speed, whereas the monofilm is accelerated or decelerated accordingly whenever an interaction of the tool with it is desired.
  • the tool such as the knife may have an open line-like shape that creates a line of weakness in the monofilm, which ends at a distance from the longitudinal edges of the film web of the monofilm and / or runs between the edges intermittently.
  • a shaping of the tool lines of weakness can be produced, which allow, for example, a tearing of the package in the transverse direction.
  • the tool describes an open line which extends from one edge of the monofilm to the other edge of the monofilm, ie from one edge of the film web to the other edge of the film web.
  • An open line-like shape may be straight or curved, e.g. curved or arched. In the case of such a curved course, such an incision may begin at one edge of the monofilm and end at the same edge. In this way, weakening lines can advantageously be produced at the edges of a package.
  • the tool describes an open line extending from one edge of the monofilm to a foil segment boundary between two adjacent foil segments.
  • lines of weakness can be produced, e.g. located at the corners of the packaging produced by means of monofilm.
  • the tool may describe an open line extending from a film segment boundary between a first film segment and a directly adjacent second film segment to a second film segment boundary between the second and a directly adjacent third film segment.
  • weakening lines can be produced, e.g. allow tearing of the package in the longitudinal direction.
  • the tool may describe a closed line.
  • weakening lines can be produced, e.g. allow a hole-like opening of the wall of the package.
  • the closed line defined by the tool may have the shape of a triangle or quadrilateral or may have a higher number of corners. It can also be a round, e.g. circular or oval or elliptical shape, or a combination of straight and curved line shapes.
  • the area delimited by the closed line has regard to its shape and / or size adapted to the shape and / or size of a product which is to be packed with a packaging using the monofilm. It is particularly advantageous if the closed line is adapted to the shape of the product, but the enclosed area is larger (eg 2 to 20%) than the projection of the product onto the monofilm.
  • the product can be a game character.
  • the package may be compressed adjacent the contour of the product at the edges of the figure, with the package tearing along the line of weakness substantially in line with the contour of the figure.
  • the figure which can sometimes have very branched ramifications (eg, by wings, limbs, horns, etc.) can then be easily removed from the packaging without obstruction by the monofilm.
  • this measure can also be advantageous in the case of pill-like products, in which case the packaging can be opened simply by pressing in a weakening line corresponding to the pill shape, after which the pills can be removed piecewise through the pill-like hole in the wall.
  • the measures described can also be used in bar-type or bar-type or circular-segment, triangular or trapezoidal foods, in particular confectionery, in order to be able to remove these products from the packaging more easily and piecemeal.
  • An adhesive preferably in regions, may be applied to the monofilm described in order to close the packaging produced by means of the monofilm by compressing parts of the monofilm.
  • Fig. 1 shows a first embodiment of a tool 1, which has a knife 2, which is applied to a magnetic and mechanically flexible (bendable) metal plate 3.
  • the knife 2 is just as long as the width of one in the Fig. 2 shown web of a monofilm as packaging film 4 (in the present case, a BOPP film as monofilm) and thus extends from its first edge 5 to its second edge 6.
  • the knife 2 has a height of 1 mm.
  • the tool 1 is used in a manufacturing device 7, hereinafter referred to as device 7 for short.
  • the device 7 has a first rotatable cylinder 8 made of metal and a second rotatable cylinder 9.
  • the second cylinder 9 serves as a reference member for defining a reference position of the packaging film 4.
  • the tool 1 is fixed to the first cylinder 8 by means of the magnetic force acting between the sheet metal plate 3 and the first cylinder 8 and the sheet metal plate 3.
  • the knife 2 extends parallel to a first axis of rotation 10 around which the first cylinder 8 rotates in the direction of a first arrow 11 during operation.
  • the second cylinder 9 also rotates about a second axis of rotation 12 in the direction of a second arrow 13.
  • the packaging film 4 is fed in the direction of a third arrow 14.
  • the rotational speed of the two cylinders 8 and 9 and the longitudinal speed of the packaging film 4 are coordinated so that in the interaction of the knife 2 with the packaging film 4 no differential speed between the packaging film 4 and the knife. 2 is present.
  • Drive means 29 for driving the two cylinders 8 and 9 are indicated schematically. Rolls for unwinding / winding of the packaging film 4 and possibly additional leadership were not shown for reasons of clarity. Their drive synchronously with the cylinders 8 and 9 also takes place with the aid of the drive means 29.
  • FIG. 4 A snapshot of the interaction of the knife 2 with the packaging film 4 on its first side 15 is shown in FIG. 4 shown.
  • The are in the FIG. 2 illustrated two axes of rotation 10 and 12 at a distance A to each other positioned so that in the interaction of a cut 16 as a line of weakness at a depth T (of eg 15 microns) along the cross-section Q of the packaging film 4 ends, which depth T is less than the thickness D. (For example, 30 microns) of the packaging film 4 is, so that the second side 17 of the packaging film 4 is intact.
  • the manufacturing device 7 has positioning means 30 (shown only in a highly schematized manner), which are designed to set the desired distance A between the axes of rotation 10 and 12, so that the above-mentioned geometrical conditions are achieved when the knife 2 penetrates into the packaging film 4.
  • the cross section through the packaging film 4 has the same effect as in FIG Fig. 5 shown structure.
  • the separated by the incision 16 parts of the packaging film 4 touch each other again.
  • a substantially flat surface is formed, in which only the incision 16 is visible (see, for example, also Fig. 2 ), because no adjacent material structures are formed, as would be the case with a laser action to produce a line of weakness.
  • the cut surfaces formed in the packaging film 4 to the right and left sides of the sipe 16 contact each other again.
  • FIG. 3 In the FIG. 3 is a packaging film 4 can be seen, in which a recess 16 is formed along its entire length. This shape of the incision 16 was achieved by a different shape of the tool 1 (not shown). Unlike the one in the FIG. 1 shown tool 1 encloses the metal plate 3, the first cylinder 8 completely. The course of the knife 2 was chosen so that the knife 2 is aligned parallel to the direction of movement of the packaging film 4, thus extending in the circumferential direction about the first cylinder 8 along the entire circumference. The length of the blade 2 was chosen so that it completely surrounds the first cylinder 8.
  • FIG. 6 is a further embodiment of a tool 1 shown, in which the knife 2 describes a closed line.
  • the edges 5 and 6 of the web of the packaging film 4 are shown schematically, as they come to rest during operation of the manufacturing device 7. The same applies to the following FIGS. 7 to 9 ,
  • tool 1 can be - as in the FIG. 12 shown - a circular cut 16 as a line of weakness for the realization of an opening aid in a stand-up bag 18 manufactured from the packaging film 4 produce.
  • the packaging space is bounded all around by the packaging film 4.
  • To the left and right side sealing zones 19 and 20 are shown.
  • FIG. 7 a further embodiment of the tool 1 is shown, wherein the knife 2 describes a closed line in the form of a figure.
  • the blade 2 may also have a combination of angular and curved lines defining a closed line and thus defining an opening area in the film wall in the film.
  • FIG. 9 Another embodiment of the tool 1 is in the FIG. 9 shown, wherein the defined by the knife 2 open line from the second edge 6 of the packaging film 4 extends to a segment boundary 21 of adjacent film segments.
  • FIG. 10 is a for producing a flow-wrap packaging 22 (see Fig. 11 ) specific segment of the packaging film 4 is shown.
  • the segment has a semicircular notch 16 which begins and ends at the right segment boundary 21.
  • a suitable for its production tool 1 would, for example, similar to those in the FIG. 9 trained tool 1 look, but with the difference that the knife 2 arcuately extending from the segment boundary 21 to the segment boundary 21 defining an open line.
  • a center line 23 is visualized, which is parallel to the direction of movement (see FIG. 2 Third arrow 14) of the packaging film 4 in the manufacturing device 7 extends.
  • the packaging shown is the lower part of the in the FIG. 10 illustrated packaging film 4 along a first fold line 24 which is parallel to the center line 23, folded backwards. Similarly, the upper part of the packaging film 4 is folded along a second fold line 25 to the rear.
  • the folded back parts of the packaging film 4 now overlap partially at their outer edges and it is realized in the overlap zone a longitudinal sealing seam 25 which also extends parallel to the center lines 23.
  • transverse sealing seams are realized, which close the package 22 head and foot side. With the help of the cut 16, the package 22 can now be easily opened at its lower right corner by tearing this corner.
  • the packaging film 4 would have a symmetrically located to the second fold line 25 and curved from the segment boundary towards the same segment boundary extending incision 16A. This is in the FIGS. 10 and 11 is visualized by an incision 16A shown with a broken line.
  • Packaging 22 provided an opening aid in the longitudinal direction (parallel to the center line 23), the packaging film 4 would have two to the second fold line 25 symmetrically offset cuts 16 B have, which in the Figures 10 is visualized by two broken lines 16B shown incisions.
  • the two come rectilinear cuts 16B to lie congruent, so that the package 22 by tearing away, for example, the entire upper part of the package 22 (above the cut 16B) is easy to open.
  • the packaging film 4 with its integrated opening aid can also be used as a lid of a packaging (not shown), ie for lid-like closing of a packaging.
  • Packaged products may be removed from the package after opening the packaging film, e.g. are removed by pressing the limited by the incision 16 opening portion of the packaging film 4.
  • FIGS. 13, 14 and 15 are further embodiments of the tool 1 in a cross section of the tool 1 along the - in the present case rectilinear - knife 2 shown.
  • the knife 2 shown at its respective end a curved or oblique transition or course 28 hiss the blade 2 and the metal plate 3, so that in the processed packaging film 4 at the ends of the incision 16 abrupt transitions between scratched areas (the incision 16) and not scored areas are avoided, which contributes to the stability of the packaging film 4, when the recess 16 does not extend to the edges 5 and 6 of the packaging film 4.
  • FIG. 15 shows a tool 1 for the realization of a line of weakness, which is interrupted in several sections (notches 16).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
EP12193512.6A 2012-11-21 2012-11-21 Emballage doté d'une aide à l'ouverture linéaire Withdrawn EP2735438A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12193512.6A EP2735438A1 (fr) 2012-11-21 2012-11-21 Emballage doté d'une aide à l'ouverture linéaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12193512.6A EP2735438A1 (fr) 2012-11-21 2012-11-21 Emballage doté d'une aide à l'ouverture linéaire

Publications (1)

Publication Number Publication Date
EP2735438A1 true EP2735438A1 (fr) 2014-05-28

Family

ID=47221208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12193512.6A Withdrawn EP2735438A1 (fr) 2012-11-21 2012-11-21 Emballage doté d'une aide à l'ouverture linéaire

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EP (1) EP2735438A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040092374A1 (en) * 2002-11-08 2004-05-13 Chiu-Fu Cheng Processing structure for plastic film folding
WO2004113061A1 (fr) * 2003-05-23 2004-12-29 Colgate-Palmolive Company Procede pour emballer un produit
WO2008030924A2 (fr) * 2006-09-07 2008-03-13 Evan Arrindell Appareil et procédé d'application d'étiquettes en îlots
EP2374604A1 (fr) 2010-04-12 2011-10-12 Mondi AG Couvercle à feuille destiné à la fermeture d'un récipient et son procédé de fabrication
WO2011146627A1 (fr) * 2010-05-18 2011-11-24 Kraft Foods Global Brands Llc Produits d'emballage sous film flexible à ouverture facile et procédés de fabrication

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040092374A1 (en) * 2002-11-08 2004-05-13 Chiu-Fu Cheng Processing structure for plastic film folding
WO2004113061A1 (fr) * 2003-05-23 2004-12-29 Colgate-Palmolive Company Procede pour emballer un produit
WO2008030924A2 (fr) * 2006-09-07 2008-03-13 Evan Arrindell Appareil et procédé d'application d'étiquettes en îlots
EP2374604A1 (fr) 2010-04-12 2011-10-12 Mondi AG Couvercle à feuille destiné à la fermeture d'un récipient et son procédé de fabrication
WO2011146627A1 (fr) * 2010-05-18 2011-11-24 Kraft Foods Global Brands Llc Produits d'emballage sous film flexible à ouverture facile et procédés de fabrication

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