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    METHOD AND A PRINTING MACHINE FOR MANUFACTURING PRINTED BOARD CONTAINERS
    3.
    发明公开
    METHOD AND A PRINTING MACHINE FOR MANUFACTURING PRINTED BOARD CONTAINERS 有权
    方法和印刷机用于生产印花纸板

    公开(公告)号：EP2129525A4

    公开(公告)日：2012-06-13

    申请号：EP08736790

    申请日：2008-03-27

    Applicant: STORA ENSO OYJ

    Inventor： VESANTO RISTO ,  BACKFOLK KAJ ,  LAALO VILLE ,  SUNDQVIST BO ,  NYLANDER NOORA ,  TANNINEN PANU ,  AUNOLA MIKA

    IPC: B31B50/00 ,  B41J3/407

    CPC classification number: B41J11/002 ,  B31B50/88 ,  B31B2105/00 ,  B31B2105/0022 ,  B31B2110/10 ,  B41J3/4073 ,  B41J3/543

    Abstract: The invention relates to a method of providing board containers (V) with prints and a printing machine that applies the method. According to the invention, the printing machine comprises a turret head (2), with uniformly spaced radial arms (3) diverging from its rotational axis, each arm ending in a mandrel (4) that carries a container (1); and stationary stations (5, 6, 8) that are located on the path of the turret head for gripping a container, printing it by a printhead (7, 13), and removing the printed container (V). At the printing station (6), the container (1) is digital-printed by the printhead (7), past which the surface of the container is conveyed by means of a rotational motion. The container can be a conical drinking cup (1), which is ink-jet printed by the stationary printhead (7) by rotating the cup by 360° by means of the mandrel (4) that is pushed inside the cup. The cups (1) can be produced at a plant in mass-scale production runs and divided into smaller lots, which are delivered to customers and which the customers then print according to their own individual needs.

    7.
    发明专利
    未知

    公开(公告)号：FI119018B

    公开(公告)日：2008-06-30

    申请号：FI20031247

    申请日：2003-09-03

    Applicant: STORA ENSO OYJ

    Inventor： VESANTO RISTO ,  MAEAETTAE PAEIVI

    IPC: B31B50/64 ,  B29C65/00 ,  B29C65/10

    Abstract: The invention relates to a heat-sealing method, in which a polymer material (1) forming the seal is melted or softened with an air flow (4) blown to the sealing point (11). In accordance with the invention, water (7, 9) is added to the air flow in order to increase the moisture content of the hot sealing air. The air is heated by resistance heating or flame heating and the water can be introduced in the hot air flow in the form of water, which subsequently evaporates, or in the form of water vapour. The method is suitable i.a. for producing packaging containers by sealing polymer­coated paper or board.

    8.
    发明专利
    未知

    公开(公告)号：DE602005003213D1

    公开(公告)日：2007-12-20

    申请号：DE602005003213

    申请日：2005-03-17

    Applicant: STORA ENSO OYJ

    Inventor： MAEAETTAE PAEIVI ,  TANNINEN PANU ,  VESANTO RISTO

    IPC: B65D77/20 ,  A23L5/10 ,  B65D20060101 ,  B65D81/34

    Abstract: The invention relates to a ready-made food package, to a method for manufacturing it and to the use of polymer-coated board in the ready-made food package. The package is manufactured by placing the food ( 16 ) in a raw state in the tray ( 2 ) where the food is baked, and by closing the tray with a lid ( 4 ) after baking. In accordance with the invention, the lid ( 4 ) is formed from a blank cut from polymer-coated board, the blank being placed over the mouth of the tray ( 2 ), and then the edges ( 9 ) of the blank are bent under the rim flange ( 6 ) of the tray and heat-sealed to the lower surface ( 11 ) of the rim flange by means of the polymer coating ( 14 ) of the board. The lid can be additionally heat-sealed to the upper surface ( 10 ) of the rim flange, so that two sealing lines ( 15 ) will be formed inside each other in the package. Accordingly, the tray ( 2 ) can be formed of polymer-coated board or optionally of polymer or aluminium alone.

    9.
    发明专利
    未知

    公开(公告)号：FI117933B

    公开(公告)日：2007-04-30

    申请号：FI20050975

    申请日：2005-09-29

    Applicant: STORA ENSO OYJ

    Inventor： MAEAETTAE PAEIVI ,  VESANTO RISTO ,  TANNINEN PANU ,  LAAKSO PETRI ,  HOVIKORPI JARI

    IPC: B65D1/34 ,  B29C43/20 ,  B31B45/00 ,  B31B50/59 ,  B32B27/10 ,  B65B43/08 ,  B65D20060101 ,  B65D1/40

    Abstract: A board tray, a method for manufacturing a board tray and a tray blank from which the board tray is manufactured, said board tray containing side walls and a bottom wall made of a board layer provided on at least one surface thereof with a plastic coating, wherein areas of reduced thickness are formed in the board layer whereby portions of the plastic layer which have been melted and are disposed adjacent to areas of reduced thickness are compressed into such areas forming double-folded linear plastic compressions which seal on themselves.

    10.
    发明专利
    未知

    公开(公告)号：FI20040290A

    公开(公告)日：2005-08-26

    申请号：FI20040290

    申请日：2004-02-25

    Applicant: STORA ENSO OYJ

    Inventor： MAEAETTAE PAEIVI ,  LAAKSO PETRI ,  HOVIKORPI JARI ,  VESANTO RISTO

    IPC: B31B50/64 ,  B23K26/18 ,  B29C65/16 ,  B31B20060101 ,  B31B50/66 ,  B65B51/22 ,  B31B

    Abstract: The invention relates to a method for sealing a fiber-based material (1, 4) to a counter-surface to be bonded to it by melting polymer present at the sealing point. In accordance with the invention, the sealing is performed by directing a laser beam (8) through the fiber layer (4) of the material to a radiation-absorbing pigment disposed in the sealing area (9), with the absorption heat melting the polymer (5) and generating the sealing. The method allows sealing of plastic-coated paper or board to itself, to another plastic counter-surface or also to paper or board without any plastic coating. It is also possible to seal uncoated paper or board to paper or board containing plastic, such as plastic-coated paper or board, or to a plastic film. The absorptive pigment, e.g. carbon black, may be admixed in the plastic coating of the board or paper or the plastic film formed on the counter-surface, or the pigment may be located on the surface of the material to be sealed or its fiber layer, or on the counter-surface to which the material is sealed, e.g. as a component of printing ink applied to the counter-surface.

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