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WO1993010969A1 - Fabrication de carton ondule - Google Patents

Fabrication de carton ondule Download PDF

Info

Publication number
WO1993010969A1
WO1993010969A1 PCT/AU1992/000628 AU9200628W WO9310969A1 WO 1993010969 A1 WO1993010969 A1 WO 1993010969A1 AU 9200628 W AU9200628 W AU 9200628W WO 9310969 A1 WO9310969 A1 WO 9310969A1
Authority
WO
WIPO (PCT)
Prior art keywords
mediums
fluted
corrugated
bonded
liner
Prior art date
Application number
PCT/AU1992/000628
Other languages
English (en)
Inventor
Neil William Shaw
Original Assignee
Amcor Limited
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 Amcor Limited filed Critical Amcor Limited
Publication of WO1993010969A1 publication Critical patent/WO1993010969A1/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
    • B31F1/2813—Making corrugated cardboard of composite structure, e.g. comprising two or more corrugated layers

Definitions

  • Australian Patents 609089 and 615053 disclosed improvements in this basic process by providing continuous support for the fluted mediums in the form of a carrier roll.
  • the size of the carrier roll disclosed is about three times the diameter of the corrugating rolls.
  • the difference in size between the carrier roll and the glue applicator roll (for bonding the liner) can lead to irregularities in glue application.
  • Patent Application PCT AU 92/00439 discloses a means of reducing the length of the production line by utilising radiation curing of adhesive bonding between the liners and the fluted mediums.
  • U.S. Patent 3,700,518 a method of forming a corrugated board having two intermediate fluted mediums bonded at their flute tips is proposed using endless belts to support to separately formed single faced boards prior to bonding the fluted mediums together.
  • U.S. Patent 1,802,880 discloses the use of two corrugated belts to corrugate two mediums which are then bonded to a liner interposed between them.
  • the present invention provides apparatus for forming a corrugated board structure comprising two fluted mediums bonded together at their flute tips and at least one liner board bonded to one of said fluted mediums, wherein said apparatus comprises a) two synchronised corrugating stations arranged to corrugate and bring two fluted mediums into contact at their flute tips; b ) an adhesive applicator adapted to apply adhesive to at least one of said fluted mediums prior to the two mediums being brought into abutment at their flute tips; c) a transfer roll adjacent said synchronised corrugating rollers to provide continuous support for the bonded fluted mediums from the initial point of contact of the flute tips, said transfer roll having a diameter less than 2 times the diameter of any one of the corrugating rolls; and d) a corrugated belt mounted on said transfer roll and adapted to support said bonded fluted mediums and convey
  • a second adhesive applicator is located adjacent the transfer roller to apply adhesive to said fluted mediums for bonding the first liner.
  • the liner applicator rolls are positioned adjacent the corrugated belt downstream of such second adhesive applicator. Because the diameter of the transfer roll is smaller than in the apparatus proposed in the prior art, the difference in diameter of the transfer roll and the glue applicator roll is reduced and regular and even glue application is achieved.
  • This curved shoe comprises a vacuum plate with a vacuum.
  • the belt is perforated so that the applied vacuum holds the fluted mediums to it.
  • Another advantage acquired by the use of a corrugated belt is that vacuum is easier and cheaper to provide in a belt configuration than in a large diameter carrier roll.
  • a preferred embodiment of this invention is illustrated in the accompanying drawing which schematically represents the arrangement of this invention.
  • a first fluted medium 1 is corrugated on rolls 4 and 5 and the second fluted medium 2 is corrugated on rolls 6 and 7.
  • the rolls 5 and 7 are synchronised to bring the flute tips of mediums 1 and 2 into contact for bonding.
  • Adhesive is applied to medium 1 by adhesive application station 8.
  • the bonded mediums are supported on roll 7 and then transferred to transfer roll 9 which supports the corrugated belt 10.
  • the belt 10 is corrugated to support the flutes of the corrugated mediums.
  • the belt 10 is perforated and composed of a material able to withstand high radiation levels in the infra-red region.
  • the diameters of all rolls 4, 5, 6, 7 & 9 are substantially the same.
  • the corrugated belt 10 runs between transfer roll 9 and 11 and passes over a curved shoe 12 which incorporates a vacuum box to apply negative pressure through the perforations of the belt 10 to hold the bonded mediums 1 and 2 to the belt 10.
  • Adjacent transfer roll 9 is the second adhesive unit 13 which applies liner adhesive to the outer medium 2 of the bonded pair 1 and 2.
  • a liner 3 is passed over the S wrap rollers 14 and 15 and applied to medium 2 as it passes over the curved surface of the vacuum shoe 12.
  • a high energy source of radiant energy 16 is used to accelerate curing of the adhesive bond between liner 3 of medium 2. This occurs prior to the reaching roll 11. After passing roll 11 the liner and the two mediums are conveyed downstream for further processing.
  • the configuration of this invention provides a cost effective solution to the problem of forming paperboard where there are two mediums bonded together at their flute tips.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Abstract

Appareil servant à préparer des structures de carton ondulé dans lequel deux feuilles ondulées (1, 2) sont soudées au niveau des extrémités des cannelures pour former l'âme de la structure de carton ondulé. Deux ensembles de cylindres à onduler (4, 5, 6, 7) produisent les feuilles ondulées qui sont soudées au niveau des extrémités des cannelures et transférées sur la surface de support d'une courroie cannelée (10) qui passe sur la surface d'un cylindre de transfert (9) et d'une boîte à vide (12) courbée en arc. Ladite courroie cannelée (10) est perforée de manière à ce que les feuilles ondulées soient retenues sur la courroie cannelée par la source de vide à mesure que les feuilles sont acheminées après être passées par une station (13) d'application de colle et une station (14, 15) d'application de doublure pour former un carton simple face constitué de deux feuilles ondulées et d'une doublure.
PCT/AU1992/000628 1991-11-28 1992-11-25 Fabrication de carton ondule WO1993010969A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPK973691 1991-11-28
AUPK9736 1991-11-28

Publications (1)

Publication Number Publication Date
WO1993010969A1 true WO1993010969A1 (fr) 1993-06-10

Family

ID=3775849

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1992/000628 WO1993010969A1 (fr) 1991-11-28 1992-11-25 Fabrication de carton ondule

Country Status (1)

Country Link
WO (1) WO1993010969A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095963A (en) * 1996-03-14 2000-08-01 Amcor Limited Apparatus for making corrugated paperboard
CN104379337A (zh) * 2012-06-15 2015-02-25 科尔赛尔Ip有限公司 纸板制造的改进以及与纸板制造相关的改进
CN111169102A (zh) * 2020-01-18 2020-05-19 长兴县泗安民丰彩印厂 一种瓦楞纸板复合输出设备及其生产线

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700518A (en) * 1971-03-17 1972-10-24 Honshu Paper Co Ltd Method for manufacturing a composite corrugated paper board
AU6131680A (en) * 1979-08-17 1981-03-19 Mitsubishi Jukogyo Kabushiki Kaisha Apparatus for producing single faced corrugated board
AU8344082A (en) * 1981-05-08 1982-11-11 Mitsubishi Jukogyo Kabushiki Kaisha Corrugating apparatus
AU6232386A (en) * 1985-09-04 1987-04-02 Amcor Limited Corrugated paper board
AU1192688A (en) * 1987-02-18 1988-08-25 Amcor Limited Manufacturing corrugated board
AU2696188A (en) * 1987-12-18 1989-06-22 Amcor Limited Forming corrugated board
AU3361089A (en) * 1988-03-31 1989-10-16 Amcor Limited Manufacturing corrugated board
AU8995691A (en) * 1990-12-25 1992-07-02 Mitsubishi Jukogyo Kabushiki Kaisha Single-faced corrugated cardboard sheet making machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700518A (en) * 1971-03-17 1972-10-24 Honshu Paper Co Ltd Method for manufacturing a composite corrugated paper board
AU6131680A (en) * 1979-08-17 1981-03-19 Mitsubishi Jukogyo Kabushiki Kaisha Apparatus for producing single faced corrugated board
AU8344082A (en) * 1981-05-08 1982-11-11 Mitsubishi Jukogyo Kabushiki Kaisha Corrugating apparatus
AU6232386A (en) * 1985-09-04 1987-04-02 Amcor Limited Corrugated paper board
AU1192688A (en) * 1987-02-18 1988-08-25 Amcor Limited Manufacturing corrugated board
AU2696188A (en) * 1987-12-18 1989-06-22 Amcor Limited Forming corrugated board
AU3361089A (en) * 1988-03-31 1989-10-16 Amcor Limited Manufacturing corrugated board
AU8995691A (en) * 1990-12-25 1992-07-02 Mitsubishi Jukogyo Kabushiki Kaisha Single-faced corrugated cardboard sheet making machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095963A (en) * 1996-03-14 2000-08-01 Amcor Limited Apparatus for making corrugated paperboard
CN104379337A (zh) * 2012-06-15 2015-02-25 科尔赛尔Ip有限公司 纸板制造的改进以及与纸板制造相关的改进
CN111169102A (zh) * 2020-01-18 2020-05-19 长兴县泗安民丰彩印厂 一种瓦楞纸板复合输出设备及其生产线

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