EP1040911A2 - Verfahren und vorrichtung zum herstellen von behältern aus einer vielzahl von streifen und behälter - Google Patents

Verfahren und vorrichtung zum herstellen von behältern aus einer vielzahl von streifen und behälter Download PDF

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Publication number
EP1040911A2
EP1040911A2 EP98959915A EP98959915A EP1040911A2 EP 1040911 A2 EP1040911 A2 EP 1040911A2 EP 98959915 A EP98959915 A EP 98959915A EP 98959915 A EP98959915 A EP 98959915A EP 1040911 A2 EP1040911 A2 EP 1040911A2
Authority
EP
European Patent Office
Prior art keywords
strips
strip
rolls
pressing
die
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
EP98959915A
Other languages
English (en)
French (fr)
Other versions
EP1040911B1 (de
Inventor
Jaume Teixidor Casanovas
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.)
2t-Pack SL
Original Assignee
2t-Pack SL
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 2t-Pack SL filed Critical 2t-Pack SL
Publication of EP1040911A2 publication Critical patent/EP1040911A2/de
Application granted granted Critical
Publication of EP1040911B1 publication Critical patent/EP1040911B1/de
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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • 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
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/142—Cutting, e.g. perforating, punching, slitting or trimming using presses or dies
    • 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
    • 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
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies

Definitions

  • the present invention relates to a process for the manufacturing of containers, to a machine for manufacturing the same and to a container obtained with this process, said containers being formed from a plurality of strips superposed and joined together and being specially suitable for containing foods.
  • These containers are formed by a plurality of layers of sheet material, the number and the material of the layers depending upon the type of foods to be contained.
  • the layers are normally of cardboard or expanded polystyrene, also including a layer of laminated material suitable for being in contact with foods.
  • the containers can include an additional layer of absorbent material placed beneath the layer of material suitable for being in contact with foods.
  • Cardboard containers have the disadvantage of not being very strong and not retaining their shape, that is, they deform and do not recover their original shape. This is due to the fact that during the pressing stage to shape the container according to a predetermined design folds are formed at the pressed zones, and these folds can deform if pressure is applied on same.
  • the manufacturing processes for this type of container usually include the stages of:
  • Another disadvantage is the power needed for the punching head of the pressing station, since a number of layers have to be pressed together. Furthermore, the tolerance between the punching heads and the dies of the pressing station has to be quite large, since a plurality of layers of a certain thickness has to be pressed all together.
  • the present invention relates to a process for the manufacture of containers, characterized in that it comprises the stages of:
  • containers are formed with the number of strips desired, thus achieving a suitable thickness, without limitation.
  • a container of considerable strength is thus achieved, forming folds of very small dimensions, with high shape-retention, that is, if the containers deforms it returns to its original shape.
  • the pressing stage can be carried out using cold or hot processes, achieving very high manufacturing speeds compared with the known processes.
  • the process of the invention also includes an additional stage of cutting away the edges of the container after pressing and joining together all the strips.
  • the container is made by taking up strips from at least three rolls of sheet materials, the first sheet material being suitable for being in contact with foods and, when all the strips have been pressed and joined together, the one left on the internal part of the container.
  • At least one of said rolls is cardboard, the strip(s) which are die-cut from the roll(s) of cardboard being fitted between the first strip of material suitable for being in contact with foods and the strip applied on the outermost part when all the strips have been pressed and joined together.
  • some slots or orifices can be made in the first strip of material suitable for being in contact with foods.
  • a zone of the cardboard strip(s) corresponding to the slots or orifices of the first strip is treated for absorption at predetermined zones of the juices produced by the product to be packaged.
  • treatment of the cardboard strip(s) is carried out by spraying a material suitable for preventing porosity at certain zones of said strip(s).
  • the strips are cut out in advance and marks made for carrying out the subsequent pressing on each of the strips.
  • At least one of said strips is of dimensions different from the other strips.
  • a reinforcement or absorbent strip of smaller dimensions can thus be included between the other strips.
  • the present invention also relates to a machine for manufacturing containers, characterized in that it comprises:
  • the machine of the invention also includes a cutting station at which the edges of the already-shaped container are cut after all the strips have been joined together.
  • the machine can also include at least one additional station for treating a zone of at least one of said strips.
  • the rolls of sheet material are positioned one beside the other, with the roll corresponding to the innermost strip of the already-formed container placed at one end and the roll corresponding to the outermost strip of the already-formed container at the other end.
  • the dies of the pressing stations are positioned one beside the other facing the outlet of sheet material from the rolls.
  • the present invention also relates to a container manufactured according to the foregoing process and with the machine described.
  • the machine comprises:
  • this machine is designed for the manufacturing of containers of four layers of sheet material, though containers of more or fewer layers can be manufactured by adding or removing the corresponding stations.
  • the innermost strip of the formed container is of a material suitable for being in contact with foods and can be printed on if wished.
  • This strip can be made of a heat-fusible and impermeable material, depending on requirements.
  • the outermost sheet of the formed container can be made of any suitable material, such as paper or others, and can be printed on.
  • the intermediate strip or strips, two in the case of the container manufactured with the machine shown in the drawings, are preferably of cardboard.
  • the rolls of sheet material 1a, 1b, 1c, 1d are first placed in position in such a way that they feed said material to the stations described. Any suitable means can be used as driving means of said rolls for feeding of material.
  • the machine of the invention will be synchronised in such a way that, when it comes into operation, the material is fed first from the first roll 1a, the roll on the left of the machine shown.
  • the sheet material will pass first through the gluing station 2, where one section of the material will be glued.
  • the glue used will be heat-fusible, being allowed to cool before pressing.
  • the sheet material is then die-cut and marked according to a predetermined design, with marks made for subsequent pressing thereof.
  • the strip is then pressed, by either cold or hot process. If carried out by hot process, the temperature reached will not be very high, but only sufficient to heat the glue on the strip. The part of the pressing station which will be heated will always be the die, while the punching head 5 will remain cold.
  • This already-pressed strip will pass on to the next pressing station 4 by means of the conveyor belt 6, on which a second strip will be incorporated onto said first strip when it is pressed. Said second strip had passed through the same processes as the first strip.
  • This process for incorporating a strip will be carried out successively until the entire container has been formed.
  • the machine of the invention will be synchronised in such a way that container manufacturing is carried out continuously.
  • An additional operation of spraying onto a zone of the sheet material can be carried out on the intermediate sheet materials. This spraying is carried out in order to treat some zones, thereby preventing porosity at some zones of the strip or strips.
  • one of the strips making up the container can be of dimensions different from those of the other layers.
  • a reinforcement strip of smaller dimensions can be included between the other strips.
  • At least one of the rolls can be positioned to feed material in a different direction from the rest of the rolls, thereby allowing the fibres of the sheet material from this roll to cross over the fibres of the other sheet materials.
  • the container is thus provided with greater shape stability, preventing deformations.

Landscapes

  • Making Paper Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
EP98959915A 1997-12-16 1998-12-15 Verfahren und vorrichtung zum herstellen von behältern aus einer vielzahl von streifen und behälter Expired - Lifetime EP1040911B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES9702710 1997-12-16
ES009702710A ES2149671B1 (es) 1997-12-16 1997-12-16 Procedimiento para la fabricacion de envases, maquina para su fabricacion y envase obtenido con dicho procedimiento.
PCT/ES1998/000342 WO1999030897A2 (es) 1997-12-16 1998-12-15 Procedimiento y maquina de fabricacion de envases a partir de una pluralidad de laminas, y envase obtenido con dicho procedimiento

Publications (2)

Publication Number Publication Date
EP1040911A2 true EP1040911A2 (de) 2000-10-04
EP1040911B1 EP1040911B1 (de) 2001-11-07

Family

ID=8301650

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98959915A Expired - Lifetime EP1040911B1 (de) 1997-12-16 1998-12-15 Verfahren und vorrichtung zum herstellen von behältern aus einer vielzahl von streifen und behälter

Country Status (6)

Country Link
EP (1) EP1040911B1 (de)
AT (1) ATE208264T1 (de)
AU (1) AU1564499A (de)
DE (1) DE69802438D1 (de)
ES (1) ES2149671B1 (de)
WO (1) WO1999030897A2 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2116362A (en) * 1936-06-22 1938-05-03 Morris Packaging Equipment Com Method and apparatus for making cartons
US2776608A (en) * 1952-03-31 1957-01-08 Gen Mills Inc Method of making a multi-layered container
US4596542A (en) * 1984-09-28 1986-06-24 Moen Lenard E Manufacture of internally reinforced boxes
WO1996014982A1 (en) * 1994-08-30 1996-05-23 Gics & Vermee, L.P. Method of making a food package and an associated apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9930897A2 *

Also Published As

Publication number Publication date
WO1999030897A2 (es) 1999-06-24
ES2149671B1 (es) 2001-04-01
WO1999030897A3 (es) 1999-09-10
AU1564499A (en) 1999-07-05
EP1040911B1 (de) 2001-11-07
ES2149671A1 (es) 2000-11-01
ATE208264T1 (de) 2001-11-15
DE69802438D1 (de) 2001-12-13

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