EP1980389A1 - Appareil pour la fabrication de carton ondulé - Google Patents

Appareil pour la fabrication de carton ondulé Download PDF

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Publication number
EP1980389A1
EP1980389A1 EP07106100A EP07106100A EP1980389A1 EP 1980389 A1 EP1980389 A1 EP 1980389A1 EP 07106100 A EP07106100 A EP 07106100A EP 07106100 A EP07106100 A EP 07106100A EP 1980389 A1 EP1980389 A1 EP 1980389A1
Authority
EP
European Patent Office
Prior art keywords
corrugated cardboard
corrugated
core
paste
component
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Withdrawn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
EP07106100A
Other languages
German (de)
English (en)
Inventor
Toshimitsu Akiyama
Tadashi Kasamatsu
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.)
AIKI KOGYO KK
Original Assignee
AIKI KOGYO KK
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 AIKI KOGYO KK filed Critical AIKI KOGYO KK
Priority to EP07106100A priority Critical patent/EP1980389A1/fr
Publication of EP1980389A1 publication Critical patent/EP1980389A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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

Definitions

  • the present invention concerns an apparatus for producing corrugated cardboard.
  • the improvement offered by the present invention is compactness of whole the plant and easiness of handling the product corrugated cardboard for the subsequent processing steps by reasonable disposition of the components of the apparatus for producing corrugated cardboard.
  • the process for producing corrugated cardboard currently practiced in production of "single wall" product consisting of three layers comprises the following steps:
  • the corrugated cardboard consisting of five layers called “double wall” is manufactured by stacking and adhering two above-mentioned single facer corrugated cardboards and a front liner material, in this case, in order to satisfy the mechanical properties required to the double wall corrugated cardboard, it is general to use a corrugated cardboard having relatively large corrugation called "A-flute" as the first single facer and the other having relatively small corrugation called “B-flute” as the second single facer.
  • the corrugated cardboard thus manufactured is, either the single wall or the double wall, continuously withdrawn and usually cut to pieces of suitable length and delivered in the stacked form. Sometimes, however, the product may be further processed by in-line processing such as printing, punching or box-making.
  • the single wall product of the A-flute which is the popular one produced with the highest productivity, can be produced at the line speed of maximum 400 meter per minute.
  • the problem second to this is that concerning the quality of the product, such as no curing or clean surfaces.
  • the apparatus for moistening is called “molstener”, and the apparatus for heating (and also moistening to some extent), “steamer”.
  • the moistener has function of effecting steam of normal pressure and not so high temperature to the material of corrugated cardboard in the process of manufacturing for the purpose mainly of giving moist to the material so as to facilitate processing the core material to Corrugated form, and to prevent excess absorption of water in the applied paste material by the core sheet at rapid rate and in large quantity.
  • the steamer has the main purpose of blowing the heated and somewhat high temperature steam to heat the applied paste material for converting it to gel.
  • Recent proposal by the inventor is the technology of corrugated cardboard production, in which heating with the conventional heating plates is eliminated.
  • the advance by the new technology is that, in producing decorative corrugated cardboards, surface scratch caused by friction between the board and the heating plates can be avoided in principle.
  • the elimination of the heating plates was realized by preheating the material sheets and full utilization of the moisteners and the steamers (Japanese Patent Disclosure 2006-218841 ).
  • Another advance is adoption of curing step during which the paste material permeates well and heating of the permeated paste material with superheated steam, instead of heating with the heating plates, to accelerate conversion to gel (Japanese Patent Disclosure 2007-30171 ).
  • the completed corrugated cardboard may be further processed by subsequent in-line processing steps.
  • it will be inconvenient for operation if the product corrugated cardboards are not placed in the position near the floor level.
  • the steps after lamination of the single facer and the front liner material are carried out on the floor level of the plant.
  • Typical distribution of the apparatus components is as shown in Fig. 1.
  • Fig, 1 illustrates an apparatus for producing "single wall" corrugated card board.
  • the object of the present invention is to solve the above discussed problem that whole the plant will be long and large and to provide a compact and easy-to-operate apparatus for producing corrugated cardboard, which begins with preparation of the single facer corrugated cardboard to go to lamination of it with a front liner material, and to eliminate the step of carry down the product corrugated cardboard.
  • the apparatus for producing corrugated cardboard comprises, as shown in whole in Fig. 2 and in detail in Figs. 3 and 4 , comprises the first floor (G) and second floor deck (U) thereon, and the following components:
  • the component (I) for processing the core material to the corrugated core, continuously laminating the corrugated core and a back liner material with a paste to form a single facer corrugated card board comprises, in a preferred embodiment, as shown in Fig. 3 ,
  • the component (II) for continuously laminating the single facer corrugated cardboard and the front liner material with paste to form an incomplete corrugated cardboard to form an incomplete corrugated cardboard comprises, in a preferred embodiment, as also shown in Fig. 3 ,
  • the component (III) for obtaining completed corrugated cardboard by heating the incomplete corrugated cardboard to complete adhesion with the paste comprises, in a preferred embodiment, as shown in Fig. 4 ,
  • the component (IV) for cutting and stacking to deliver the product to subsequent processing steps comprises, as also shown in Fig. 4 .
  • the component is equipped with a roller conveyer to deliver the stacked corrugated cardboard pieces to the next processing steps.
  • an in-line punching device for punching the produced double facer corrugated cardboard to determined shapes and sizes may be installed instead of the cutter and the stacker.
  • the component (IV) of the present invention may include such an embodiment.
  • the superheated steam-blowing nozzles (P) disposed in the heating zone (Y) and the accessories thereof are disclosed in detail in the above-mentioned Japanese Patent Disclosure 2007-30171 . They are, however, shown in Fig. 5 and Fig. 6 .
  • Fig. 7 shows changes in the temperature at the positions "a”, “a'", “b” and “c”; and of the present apparatus in which the double wall corrugated card board is being manufactured.
  • the graph of Fig. 8 shows the above temperature changes for better understanding. In this graph the following five series of data are shown for comparison:
  • the temperature at which gelling of the raw starch slurry occurs is in the range of about 58-63°C. Even if the temperature reached to, or exceeded this level, the rate of gelling is quicker at a higher temperature and slower at a lower temperature. It is, therefore, necessary to have the temperature of the raw starch slurry applied on the tops of corrugates increased to the above gelling temperature as quick as possible, and further, to a higher temperature as quick as possible.
  • drying of the raw starch slurry at only the surface thereof caused by rapid heating results in film formation on the gelled paste material and the film disturbs adhesion.
  • the drying gives, in relation to the rate and extent of permeation of the slurry, the following limitation.
  • the internal core corrugated material
  • the internal core has high water-absorbing property
  • only the water in the raw starch slurry applied is absorbed by the paper, and as the result, water content of the paste material becomes insufficient and gelling or paste formation is not appropriately realized.
  • desired adhesive power cannot be obtained.
  • the core is of low water-absorbing property, then permeation of the raw starch slurry into the core is difficult, and the result of this is one-side gelling and adhesion occurs under the condition that the paste resides only on the surface.
  • the apparatus for producing corrugated cardboard according to the present invention eliminates use of heating plates, this apparatus can be conveniently used for production of so-called decorative corrugated cardboard.
  • one or more of apparatus for carrying out the decorative printing or processing on the front liner material such as that selected from the group of flexo-printer, gravure-printer, and embossing press (none of them are shown in the drawings) as desired.
  • These apparatus may be usually installed on the first floor near the means for supplying the front liner material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
EP07106100A 2007-04-13 2007-04-13 Appareil pour la fabrication de carton ondulé Withdrawn EP1980389A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07106100A EP1980389A1 (fr) 2007-04-13 2007-04-13 Appareil pour la fabrication de carton ondulé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07106100A EP1980389A1 (fr) 2007-04-13 2007-04-13 Appareil pour la fabrication de carton ondulé

Publications (1)

Publication Number Publication Date
EP1980389A1 true EP1980389A1 (fr) 2008-10-15

Family

ID=38267715

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07106100A Withdrawn EP1980389A1 (fr) 2007-04-13 2007-04-13 Appareil pour la fabrication de carton ondulé

Country Status (1)

Country Link
EP (1) EP1980389A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20120325A1 (it) * 2012-03-02 2013-09-03 Bp Agnati S R L Gruppo piani per un impianto per la produzione di cartone ondulato
DE102015218316A1 (de) 2015-09-24 2017-03-30 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Wellpappe-Anlage

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129641A2 (fr) * 1983-06-22 1985-01-02 Werner H. K. Peters Maschinenfabrik GmbH Installation pour carton ondulé
DE3730270A1 (de) * 1986-09-09 1988-03-17 Rengo Co Ltd Wellpappenmaschine
EP0559556A1 (fr) * 1992-03-02 1993-09-08 Manuel Torres Martinez Installation pour la fabrication de carton ondulé
JP2007030171A (ja) * 2005-07-21 2007-02-08 Aiki Kogyo Kk 段ボール紙の製造方法および製造装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129641A2 (fr) * 1983-06-22 1985-01-02 Werner H. K. Peters Maschinenfabrik GmbH Installation pour carton ondulé
DE3730270A1 (de) * 1986-09-09 1988-03-17 Rengo Co Ltd Wellpappenmaschine
EP0559556A1 (fr) * 1992-03-02 1993-09-08 Manuel Torres Martinez Installation pour la fabrication de carton ondulé
JP2007030171A (ja) * 2005-07-21 2007-02-08 Aiki Kogyo Kk 段ボール紙の製造方法および製造装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20120325A1 (it) * 2012-03-02 2013-09-03 Bp Agnati S R L Gruppo piani per un impianto per la produzione di cartone ondulato
EP2633992A3 (fr) * 2012-03-02 2015-12-02 Italdry S.r.L. Installation de revêtement double face dans une installation de production de carton ondulé
US9266299B2 (en) 2012-03-02 2016-02-23 Italdry S.R.L. Assembly of horizontal surfaces in a plant for production of corrugated board
DE102015218316A1 (de) 2015-09-24 2017-03-30 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Wellpappe-Anlage
US9919538B2 (en) 2015-09-24 2018-03-20 Bhs Corrugated Maschinen-Und Anlagenbau Gmbh Corrugated-board machine

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