EP0543786B1 - Machine for automatically bending the flaps of cardboard packaging cartons - Google Patents

Machine for automatically bending the flaps of cardboard packaging cartons Download PDF

Info

Publication number
EP0543786B1
EP0543786B1 EP92830635A EP92830635A EP0543786B1 EP 0543786 B1 EP0543786 B1 EP 0543786B1 EP 92830635 A EP92830635 A EP 92830635A EP 92830635 A EP92830635 A EP 92830635A EP 0543786 B1 EP0543786 B1 EP 0543786B1
Authority
EP
European Patent Office
Prior art keywords
belt
conveyor
flaps
carton
flap
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
EP92830635A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0543786A1 (en
Inventor
Tonino Carcianelli
Franco Cattalani
Veris Valeri
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.)
Cvm Di Carcianelli Tonino & C SNC
Original Assignee
Cvm Di Carcianelli Tonino & C SNC
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 Cvm Di Carcianelli Tonino & C SNC filed Critical Cvm Di Carcianelli Tonino & C SNC
Publication of EP0543786A1 publication Critical patent/EP0543786A1/en
Application granted granted Critical
Publication of EP0543786B1 publication Critical patent/EP0543786B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • 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
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/58—Folding sheets, blanks or webs by moving endless belts or chains
    • 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
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • 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
    • B31B50/004—Closing boxes
    • B31B50/0042—Closing boxes the boxes having their opening facing in horizontal direction

Definitions

  • This design patent application concerns a machine for automatically bending the sides of cardboard packaging cartons.
  • the problem which the machine according to the invention intends to resolve is the automatic bending of the flaps of cardboard packaging cartons, namely the flaps which are bent to close the top and bottom of the carton in which the product is packaged.
  • the machine in question specifically resolves the problems encountered by furniture manufacturers in packaging parallelepiped furniture units or furniture of other shapes which can be packaged in a carton consisting of four perpendicular side walls, such as the cabinets of modern fitted kitchens.
  • the packaging station for these items generally consists of a work surface on which the furniture unit is placed; the preformed packaging carton is then pulled from top to bottom over the unit, with the bottom obviously open; once the carton has been fitted completely over the furniture unit the four bottom flaps of the carton are pressed open on the above work surface.
  • the purpose of this invention is to design an automatic machine for bending the four bottom flaps of the packaging box without having to place the furniture sideways, and without having to remove the base of the furniture from the work surface.
  • Another purpose of this invention is to design a linear machine having compact transverse dimensions along which the package undergoes successive operations while moving in the same rectilinear direction.
  • the machine according to the invention consists of two identical aligned conveyor belts which can not only reverse their forward direction but can also be inclined slightly in a sub-horizontal direction; it is important to note that the first belt is pivoted on a horizontal pin positioned at the beginning of the belt while the second belt rotates around a pin positioned at its exit.
  • the two "transverse" flaps close in rapid succession, first the front and then the back flap, following the movement of the packaging and sealing line.
  • the second of the first pair of said conveyor belts is initially slightly slanted at the top so that the front transverse flap of the box moving forward on the first belt, which is perfectly horizontal in this phase, fits under the entrance of the second belt.
  • the latter When the front transverse flap is completely under the second belt, the latter automatically oscillates downwards into a slanted position under the horizontal line; the lowering of the second belt rotates the front flap by 90° so that the same positions itself on a vertical plane over the opening which separates the end of the first belt from the beginning of the second belt.
  • the carton carried on the belt is pushed on to the second belt which, on receiving the carton, tips the front "transverse" flap over by another 90° and in this way closes the flap under the back wall of the furniture item, without being removed from the underlying conveyor belt.
  • the back "transverse" flap can be closed with the same operations as described previously.
  • This first operating cycle consequently involves the transfer of the package from the first to the second conveyor belt and a subsequent backward passage from the second to the first conveyor belt.
  • This third intermediate station consists substantially of a standard motor driven sorting platform which can rotate the half-closed package 90°, if the stations are positioned in line with each other, or can translate the package in two perpendicular directions if the stations are perpendicular to each other.
  • Two identical jacks (4a and 4b) are used to oscillate the two frames (2a and 2b); said jacks (4a and 4b) are positioned symmetrically with respect to the vertical plane of symmetry passing through the transverse opening (5) which separates the exit of the first belt from the entrance of the second belt.
  • the difference in size means that the respective overlying half-sections of the belts are not parallel but converging and almost incident at the above rollers (6a and 6b) where they are spaced by a distance equal to that of the smaller diameter of the rollers (6a and 6b).
  • the number 8 indicates the floor base supporting the pivoting pins (3a and 3b) and the jacks (4a and 4b).
  • sensors transmit a signal which reverses the direction of the belts (1a and 1b), lifts the first belt (1a) and levels belt (1b), as illustrated in fig. 2B, in order to repeat the operating cycle in reverse order, thereby overturning said back "transverse" flap (FP) so that the same closes.

Landscapes

  • Making Paper Articles (AREA)
  • Closing Of Containers (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
EP92830635A 1991-11-21 1992-11-23 Machine for automatically bending the flaps of cardboard packaging cartons Expired - Lifetime EP0543786B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMC910068A IT1253505B (it) 1991-11-21 1991-11-21 Macchina per il piegamento automatico delle falde delle scatole da imballo in cartone.
ITMC910068 1991-11-21

Publications (2)

Publication Number Publication Date
EP0543786A1 EP0543786A1 (en) 1993-05-26
EP0543786B1 true EP0543786B1 (en) 1995-10-11

Family

ID=11356540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92830635A Expired - Lifetime EP0543786B1 (en) 1991-11-21 1992-11-23 Machine for automatically bending the flaps of cardboard packaging cartons

Country Status (5)

Country Link
EP (1) EP0543786B1 (it)
AT (1) ATE128902T1 (it)
DE (1) DE69205397T2 (it)
ES (1) ES2079840T3 (it)
IT (1) IT1253505B (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252435A (en) * 1940-05-20 1941-08-12 Armstrong Paint & Varnish Work Carton sealing means
US2898820A (en) * 1955-12-30 1959-08-11 Raymond J Baisley Carton flap sealing machine
EP0373275B1 (en) * 1988-12-15 1992-04-22 NIPPON FLUTE Co. Ltd. Box forming equipment
US5066269A (en) * 1989-08-25 1991-11-19 Frito-Lay, Inc. Method and apparatus for closing bottom end flaps of a carton

Also Published As

Publication number Publication date
IT1253505B (it) 1995-08-08
ITMC910068A1 (it) 1993-05-21
ES2079840T3 (es) 1996-01-16
ATE128902T1 (de) 1995-10-15
EP0543786A1 (en) 1993-05-26
DE69205397T2 (de) 1996-06-05
ITMC910068A0 (it) 1991-11-21
DE69205397D1 (de) 1995-11-16

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