WO2009128697A1 - Élément à surface inclinée dans la production de carton ondulé - Google Patents

Élément à surface inclinée dans la production de carton ondulé Download PDF

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Publication number
WO2009128697A1
WO2009128697A1 PCT/MY2008/000165 MY2008000165W WO2009128697A1 WO 2009128697 A1 WO2009128697 A1 WO 2009128697A1 MY 2008000165 W MY2008000165 W MY 2008000165W WO 2009128697 A1 WO2009128697 A1 WO 2009128697A1
Authority
WO
WIPO (PCT)
Prior art keywords
board
inclined surface
pressure applying
heating
paper
Prior art date
Application number
PCT/MY2008/000165
Other languages
English (en)
Inventor
Chee Meng Chan
Original Assignee
Chee Meng Chan
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 Chee Meng Chan filed Critical Chee Meng Chan
Publication of WO2009128697A1 publication Critical patent/WO2009128697A1/fr

Links

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
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
    • B31F1/2877—Pressing means for bringing facer sheet and corrugated webs into contact or keeping them in contact, e.g. rolls, belts
    • B31F1/2881—Pressing means for bringing facer sheet and corrugated webs into contact or keeping them in contact, e.g. rolls, belts for bringing a second facer sheet into contact with an already single faced corrugated web
    • 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
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
    • B31F1/285—Heating or drying equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/105—Drying webs by contact with heated surfaces other than rollers or drums

Definitions

  • This invention relates to a means having an inclined surface used during the production of corrugated board.
  • the segment of a corrugator line (machine producing corrugated board from paper rolls) between the double glue machine and the slitter scorer is known as the double baker.
  • the function of the double baker is to press the single facer (comprised of one flat paper call liner and one corrugated paper call fluting paper) into contact with one or two other single facer and with the outer liner (the flat paper that will be on the outside of the box), to pull the board throughout the machine, and finally to dry the glue as well as the board.
  • the first corrugator lines were produced before the 2 nd world war.
  • the double baker of the times used steel rolls to press a cotton belt into contact with the board.
  • steel chests heated with steam produced the heat necessary to dry the glue and the layers of paper.
  • the SHS product was known as SHORT PRESS.
  • a pressure system comprising an airbag inserted into an aluminium box.
  • the bottom part of the box is closed by flat stainless steel chains.
  • the airbag When the airbag is inflated, it presses down on the flat chains.
  • the chains press on the belt and the belt on the board.
  • This system gives a larger surface of pressure with less specific (per square cm) pressure.
  • the advantages of this system are: - better heat transfer less board crush (higher board calliper and stronger boxes) better production control (every unit can be controlled independently and pressure can be adjusted.
  • the Interfic product is called THERMOBAR.
  • the Interfic product is called THERMOBAR.
  • the weight rolls are replaced with a pressure system composed of ski-like stainless steel plates (shoes).
  • the heating section is only adjustable to a minimum distance of around 600mm. This makes it hard to fine tune small areas and edges, and is the main cause of warping of the board.
  • the present invention relates to a device for heating a layer of paper/board during a corrugation board production process.
  • a means having an inclined surface is movable along the length of the device.
  • a plurality of horizontally stationary pressure applying means, preferably in a chain formation move up and down in relation to the board moving along the length of the device.
  • the means having an inclined surface controls the rising and lowering of the pressure applying means and by extension the amount of contact between the board and a heating device.
  • the chain formation is fixed at an entrance to a bar that moves up when machine stops and down when machine runs, and at the other end of the device to a second bar equipped with a tensioner that allows chains tension adjustment.
  • This invention further relates to a side frame running substantially the length of the device and supporting the means having an inclined surface in a slidable fashion wherein the means having an inclined surface is designed to divert the motion of the pressure applying means such that the pressure applying means move a distance away from the heating means.
  • the means having an inclined surface further comprises a layer of felt to reduce noise, friction and wear.
  • This invention also relates to a method of heating material during a corrugated board production process comprising the steps of: adding adhesive to at least one sheet of a paper/board layer combination; running the at least one sheet of paper/board layer combination over a heating device; rolling on a layer of paper onto the least one sheet of paper/board layer combination; and heating the layers of paper/board such that the paper/board dries substantially wherein a means having an inclined surface moves along the length of the heating device and a plurality of pressure applying means cause contact of the board with the heating device.
  • the relative motion of the means having an inclined surface to the pressure applying means control the amount of contact between the board and the heating device, and hence the heat transferred to the paper/board layer combination.
  • Figure 1 shows an inner frame in an embodiment of this invention.
  • Figure 4 shows a side frame in an embodiment of this invention.
  • Figure 5 shows a pressure applying means in an embodiment of this invention.
  • Figure 6a to 6c show the sequence of the method in an embodiment of this invention.
  • an inner frame (200) in an embodiment of this invention and comprising a rear section (210) which is bent slightly downwards to allow pressure applying means (40) to move freely from storage area to a means having an inclined surface (20).
  • the centre section (220) is flat and the front section (230) of the inner frame (200) is inclined in a "slide” shape to let the chains “climb up” from heating means (30) level to storage level.
  • a means having an inclined surface (20) in an embodiment of this invention comprising a plurality of inner frames (200) as described above, the inner frames (200) arranged perpendicular to a width of the means having an inclined surface (20) and together with a hollow pipe (250) running parallel to the width of the means having an inclined surface (20) forming a frame to support the rest of the means having an inclined surface (20).
  • the means having an inclined surface (20) is a trolley-style unit that can move backward and forward over the length of the device, sliding on a side frame.
  • the front part of the means having an inclined surface (20) is inclined in a "slide" shape to let the chains "climb up" from hot plates level to storage level.
  • the centre part is flat and the rear part is slightly bent to let the chains move freely from storage area to the means having an inclined surface (20).
  • the entire surface of the means having an inclined surface (20) is covered with a felt lagging (260) to reduce noise, friction and wear.
  • the means having an inclined surface (20) can be stopped at any position on the machine. Its movements are controlled by a PLC. On auto mode, it can re-position itself according to the board type (manually input), the machine speed (given by an encoder) and /or the temperature of the board under the means having an inclined surface (20) (measured by a non contact thermo-sensor).
  • the PLC constantly recalculates the optimum means having an inclined surface (20) position.
  • the means having an inclined surface (20) moves to a proximal end of the machine, it is shown in Figure 6b that the means having an inclined surface (20) raises the level of paper/board along the production line.
  • the top chain supporters (415) apply pressure onto the paper/board located immediately below.
  • the top chain supporters (415) are moved along the same direction as the means having an inclined surface (20) and in this way are fanned out along the production line.
  • the top chain (420) continues to feed out length of chain along the production line. This provides for an even distribution of heat and pressure on the length of paper/board.

Abstract

La présente invention concerne un dispositif pour chauffer une couche de papier/carton lors d’un procédé de production de carton ondulé. Un moyen présentant une surface inclinée (20) est mobile dans le sens longitudinal du dispositif. Une pluralité de moyens d’application de pression (40) dans une formation de chaîne fixés à une extrémité à une barre qui se déplace vers le haut lorsque la machine est à l’arrêt et vers le bas lorsque la machine est en marche, et à l’autre extrémité à une seconde barre équipée d’un tendeur qui permet l’ajustement de la tension de la chaîne. Le moyen présentant une surface inclinée (20) commande la montée et la descente des moyens d’application de pression (40) et par conséquent la quantité de contact entre le carton et le dispositif de chauffage.
PCT/MY2008/000165 2008-04-17 2008-11-28 Élément à surface inclinée dans la production de carton ondulé WO2009128697A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MYPI20081127 2008-04-17
MYPI20081127 2008-04-17

Publications (1)

Publication Number Publication Date
WO2009128697A1 true WO2009128697A1 (fr) 2009-10-22

Family

ID=40342739

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/MY2008/000165 WO2009128697A1 (fr) 2008-04-17 2008-11-28 Élément à surface inclinée dans la production de carton ondulé

Country Status (1)

Country Link
WO (1) WO2009128697A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948718A (en) * 1973-03-02 1976-04-06 Bhs-Bayerische Berg-Hutten-Und Salzwerke Aktiengesellschaft Apparatus for pressing a moving web of material against a supporting surface particularly to a heating part
US5890301A (en) * 1997-11-11 1999-04-06 Marquip, Inc. Thread-up apparatus for a corrugator double backer
US20070131357A1 (en) * 2005-12-12 2007-06-14 Kuan-Shiung Wu Device for manufacturing double-faced corrugated paperboard

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948718A (en) * 1973-03-02 1976-04-06 Bhs-Bayerische Berg-Hutten-Und Salzwerke Aktiengesellschaft Apparatus for pressing a moving web of material against a supporting surface particularly to a heating part
US5890301A (en) * 1997-11-11 1999-04-06 Marquip, Inc. Thread-up apparatus for a corrugator double backer
US20070131357A1 (en) * 2005-12-12 2007-06-14 Kuan-Shiung Wu Device for manufacturing double-faced corrugated paperboard

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