EP0906865A1 - Procédé pour empaqueter des articles dans des cartons, machine pour sa mise en oeuvre, et carton obtenu par ce procédé - Google Patents

Procédé pour empaqueter des articles dans des cartons, machine pour sa mise en oeuvre, et carton obtenu par ce procédé Download PDF

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Publication number
EP0906865A1
EP0906865A1 EP98118597A EP98118597A EP0906865A1 EP 0906865 A1 EP0906865 A1 EP 0906865A1 EP 98118597 A EP98118597 A EP 98118597A EP 98118597 A EP98118597 A EP 98118597A EP 0906865 A1 EP0906865 A1 EP 0906865A1
Authority
EP
European Patent Office
Prior art keywords
carton
blank
station
articles
end flaps
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Withdrawn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
EP98118597A
Other languages
German (de)
English (en)
Inventor
Gianpaolo Belloli
Ernesto Gamberini
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.)
MG 2 SpA
MG2 SpA
Original Assignee
MG 2 SpA
MG2 SpA
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 MG 2 SpA, MG2 SpA filed Critical MG 2 SpA
Publication of EP0906865A1 publication Critical patent/EP0906865A1/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Withdrawn legal-status Critical Current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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/28—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with extensions of sides permanently secured to adjacent sides, with sides permanently secured together by adhesive strips, or with sides held in place solely by rigidity of material
    • 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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/02—Machines characterised by incorporation of means for making the containers or receptacles
    • B65B5/024—Machines characterised by incorporation of means for making the containers or receptacles for making containers from preformed blanks
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/64—Lids
    • B65D5/66—Hinged lids
    • B65D5/6626—Hinged lids formed by folding extensions of a side panel of a container body formed by erecting a "cross-like" blank
    • B65D5/665—Hinged lids formed by folding extensions of a side panel of a container body formed by erecting a "cross-like" blank the lid being held in closed position by self-locking integral flaps or tabs
    • B65D5/6652—Flaps or tabs provided at the side edges of the lid only

Definitions

  • the present invention relates to a method of packing articles inside respective cartons, to a machine for implementing the method, and to the relative carton.
  • Packing machines which provide for automatically packing articles of various types inside respective cartons or boxes normally formed from a blank of cardboard or similar.
  • Currently used blanks normally define a bottom wall and a top wall joined to each other along one side by a side wall; a portion comprising an outer tongue, which is eventually gummed to the bottom wall, extends from the side of the top wall opposite that joined to the side wall; and the top wall also comprises a pair of opposite end flaps which are eventually inserted or gummed to close the carton.
  • Such blanks are formed from a sheet of packing material on which, to minimize waste, the blanks are so arranged that the projecting portions, e.g. the end flaps, of one blank are inserted between the cavities of the adjacent blanks.
  • Some known packing machines also employ pregummed tubular blanks, which are stacked flat inside a store on the machine, with the top wall folded onto the bottom wall; and, as before, a tongued portion, which is eventually gummed to the front wall, extends from the top wall.
  • Such machines employ good-quality, high-substance packing material to make up for the poor structural resistance of the cartons and so ensure a good degree of reliability and high output of the machine.
  • Yet a further object of the present invention is to provide a carton formed from a blank enabling optimum use of the packing material to reduce production cost.
  • the carton is strong enough, especially as regards the lateral walls, for numerous applications, and may conveniently be used in particular for pharmaceutical products.
  • the present invention also relates to a machine for implementing the above method, and to a carton formed by such a method.
  • the blank may be of minimum size, thus resulting in a practically negligible amount of waste cardboard, and a reduction in the amount of packing material for disposal.
  • Blank 20 in Figure 1 is formed from a rectangular portion 30 of a strip 21 ( Figures 3, 4, 5); portions A 1 and A 2 are cut and removed from portion 30 to obtain the outer contour shown in Figure 1; and cuts L 1 , L 2 , L 3 , L 4 and deep preweakened bend lines (shown by the dash lines) are formed on blank 20 by devices described in detail later on.
  • Figure 1 also shows the portions G 1 , G 2 , G 3 , G 4 of blank 20 to which gum is applied by a gumming device (described later on) to gum certain mating parts of blank 20.
  • blank 20 comprises a front wall 23 and a rear wall 24 joined to each other along one side by a front side wall 25, and in turn comprising respective pairs of end flaps 26, 27, which are eventually superimposed in the assembled configuration of carton 40 ( Figure 2).
  • a rear side wall 28 extends from rear wall 24, and comprises a foldable outer tongue 28a by which to open the fully closed carton 40; and end flaps 27 comprise respective pairs of transverse fold-in flaps 29a, 29b defined by cuts L 1 , L 2 , L 3 , L 4 .
  • Figure 2 shows blank 20 folded to form a half-open carton 40, which is substantially the configuration of carton 40 produced by a folding station forming part of the packing machine according to the present invention.
  • Number 50 in Figures 3 and 4 indicates a first embodiment of the packing machine according to the present invention, wherein articles 10 for packaging are fed in a direction V 1 parallel to the feed direction V 2 of blanks 20.
  • Cartons 40 are formed by folding blanks 20, which, by means of preweakening and cutting operations as described with reference to Figure 1, are in turn formed from a strip 21 of appropriately preprinted packing material, e.g. cardboard or similar.
  • Strip 21 is fed continuously off a reel 22 fitted to machine 50 about an axis 4 crosswise to the traveling direction of articles 10, and is fed through a preweakening station 5, a print centering station 6, and a cutting station 7, all located in line and comprising members for forming, in known manner, a continuous succession of flat, substantially rectangular blanks 20 of a width equal to that of strip 21.
  • machine 50 Downstream from cutting station 7, machine 50 comprises flexible conveying means 8, e.g. belts, for transferring blanks 20 to a folding station 60 for forming respective cartons 40 in time with the insertion of respective articles 10 inside cartons 40.
  • flexible conveying means 8 e.g. belts
  • carton 40 is intended to mean both an empty carton and a carton containing at least one article 10.
  • Figure 5 shows a second embodiment of packing machine 50 according to the present invention, wherein strip 21 of packing material is fed to blank cutting station 7 in a first direction V 2 perpendicular to the feed direction V 1 of articles 10. Blanks 20 are also fed in a second direction V 3 parallel to direction V 1 .
  • Figure 3, 4 or the Figure 5 solution is adopted depends on the floor space available for the machine at the production plant, and also on which solution provides for making the best use, economically speaking, of the work reels 22 from which the blanks are formed. That is to say, as the work reels are cut transversely from a much wider reel, the width of the work reel is determined according to whether the blank is best formed, economically speaking, crosswise or lengthwise of the strip, which in turn determines the adoption of the Figure 3, 4 or the Figure 5 solution. Obviously, the spacing of the blanks is selected according to the chosen width of the work reel 22.
  • Figure 6 shows a more detailed view of folding station 60.
  • Article 10 is fed in directions V 1 , V 4 to a lifting device 61, the upper face of which is moved into a position flush with the incoming blank 20 fed in direction V 2 ( Figure 4) or direction V 3 ( Figure 5) by conventional conveying means shown in Figures 3, 4 and 5.
  • Packing spindle 62 is basically characterized by bars 63, 64 being fixed with respect to the frame of machine 50, and by bars 65, 66 being movable in directions V 6 , V 7 perpendicular to the feed direction V 2 (or V 3 , Figure 5) of blank 20. In the rest position, bars 65, 66 are positioned as shown by the continuous line in Figure 6, and, when activated by means not shown in Figure 6, are moved in direction V 6 , for the reason explained later on, into the positions shown by the dash line.
  • bars 65, 66 are moved in directions V 6 , V 7 by means of respective actuators (not shown), and by means of respective rods 73, 74 integral with bars 65, 66 and sliding inside respective guides 75, 76 fitted to a supporting plate 77.
  • bars 65, 66 comprise respective slots 65a, 66a, which may assume any position between two limit positions defined by respective pins 65b, 66b fixed with respect to supporting plate 77.
  • bars 65, 66 move back, in the opposite direction V 7 to direction V 6 , into the positions shown by the continuous line, ready to commence the next cycle on another blank 20 and another article 10 fed respectively in direction V 2 (or V 2 , V 3 ) and directions V 1 , V 4 , V 5 .
  • a comb-shaped element 67 operated by conventional actuating means, pushes foldable tongue 28a between the upper surface of lifting device 61 and the lower surface of article 10.
  • foldable tongue 28a is employed by the user to open carton 40 to extract article 10, and is therefore not normally gummed to other parts of blank 20 during the formation of carton 40. Provision may be made, however, for a spraying device (not shown) for applying gum to front wall 23, prior to operation of lifting device 61, so that foldable tongue 28a adheres to front wall 23.
  • foldable tongue 28a is inserted beneath carton 40, carton 40 is pushed, by rear side wall 28, to a gumming station 70 ( Figures 3, 4, 5) by a push device 68 activated by mechanical cam means (not shown), and which performs a "hoeing" up-and-back movement to avoid colliding with the next carton 40 coming up in direction V 8 .
  • Gumming station 70 downstream from folding station 60 is a conventional type comprising a bottom conveyor 69, a pair of top conveyors 71, and a number of spraying devices 72 for applying gum to end flaps 26, 27.
  • packing machine 50 comprises two supporting elements 78, 79 ( Figures 6 and 8) located at packing spindle 62 and for supporting carton 40 during operation of comb-shaped element 67 and push device 68.
  • Supporting elements 78, 79 are moved by a grooved cam 80, which in turn is moved by means not shown in Figure 8, and is connected to at least two connecting rods 81, of which only one is shown for the sake of simplicity.
  • Connecting rod 81 is connected to supporting means 82, may assume any of the positions between those indicated by the normal and thin lines in Figure 8, and is connected by a hinge pin 83 to a substantially horizontal rod 84 movable in directions V 10 , V 11 parallel to directions V 6 , V 7 .
  • Rod 84 comprises two inclined slots 84a, 84b engaged by respective guide pins 85a, 85b integral with respective supports 86a, 86b.
  • Rod 84 also comprises two horizontal slots 87a, 87b engaged by respective pins 88a, 88b of respective supporting elements 79, 78.
  • carton 40 is pushed up by device 61 into a position slightly higher than supporting elements 78, 79, which, moving in direction V 11 , are positioned beneath carton 40 to support it as required.
  • Comb-shaped element 67 may be moved using a device (not shown) comprising a cam fitted to the same shaft as grooved cam 80, and which, by means of a connecting rod, provides for moving in direction V 12 a sleeve 89 integral with an L-shaped element 90 in turn integral with comb-shaped element 67.
  • the movements of comb-shaped element 67 are thus timed with those of supporting elements 78, 79, while push device 68, as stated, performs a "hoeing" movement produced by a device (not shown), and which is also appropriately timed with the other movements.
  • the method according to the present invention therefore provides for automatically packing articles 10 inside respective cartons 40, while at the same time ensuring long-term continuous operation and low production cost.
  • the production cost of cartons 40 has been estimated at roughly 50% that of conventional cartons.
  • transverse side walls of carton 40 according to the present invention are formed by superimposing and gumming end flaps 26, 27, so that the thickness of the resisting walls of carton 40 is practically doubled, thus enabling the use of cheaper lower-substance packing material, while at the same time ensuring greater strength of carton 40 as a whole.
  • blanks 20 formed using the method described may be fed to packing machine 50 from conventional stores.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Container Filling Or Packaging Operations (AREA)
EP98118597A 1997-10-02 1998-10-01 Procédé pour empaqueter des articles dans des cartons, machine pour sa mise en oeuvre, et carton obtenu par ce procédé Withdrawn EP0906865A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO970593 1997-10-02
IT97BO000593A IT1295208B1 (it) 1997-10-02 1997-10-02 Procedimento per il confezionamento di articoli all'interno di relativi astucci, macchina per attuare il procedimento ed astuccio

Publications (1)

Publication Number Publication Date
EP0906865A1 true EP0906865A1 (fr) 1999-04-07

Family

ID=11342567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98118597A Withdrawn EP0906865A1 (fr) 1997-10-02 1998-10-01 Procédé pour empaqueter des articles dans des cartons, machine pour sa mise en oeuvre, et carton obtenu par ce procédé

Country Status (3)

Country Link
EP (1) EP0906865A1 (fr)
JP (1) JPH11171122A (fr)
IT (1) IT1295208B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6537187B1 (en) 1999-06-15 2003-03-25 Mg2 S.P.A. Automatic machine for the preparation of half-packages starting from corresponding blanks

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1574520A (en) * 1923-12-31 1926-02-23 Singer Ettie Collapsible case
US2367008A (en) * 1943-01-11 1945-01-09 Nat Biscuit Co Shipping container
US2774529A (en) * 1953-05-15 1956-12-18 Fashion Frocks Inc Staple sealed corrugated box
GB1285801A (en) * 1970-06-08 1972-08-16 Bowater Packaging Ltd Carton erecting apparatus
AU484014B2 (en) * 1974-01-07 1975-07-10 Hagedorn Hans Simultaneous carton former and loader

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1574520A (en) * 1923-12-31 1926-02-23 Singer Ettie Collapsible case
US2367008A (en) * 1943-01-11 1945-01-09 Nat Biscuit Co Shipping container
US2774529A (en) * 1953-05-15 1956-12-18 Fashion Frocks Inc Staple sealed corrugated box
GB1285801A (en) * 1970-06-08 1972-08-16 Bowater Packaging Ltd Carton erecting apparatus
AU484014B2 (en) * 1974-01-07 1975-07-10 Hagedorn Hans Simultaneous carton former and loader

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6537187B1 (en) 1999-06-15 2003-03-25 Mg2 S.P.A. Automatic machine for the preparation of half-packages starting from corresponding blanks
EP1060989B1 (fr) * 1999-06-15 2004-03-31 H.P.F. S.r.l. Machine automatique pour la fabrication de demi-emballages à partir d'ébauches correspondantes

Also Published As

Publication number Publication date
ITBO970593A0 (it) 1997-10-02
ITBO970593A1 (it) 1999-04-02
IT1295208B1 (it) 1999-05-04
JPH11171122A (ja) 1999-06-29

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