EP0104372B1 - Einseitige Wellpappenmaschine - Google Patents

Einseitige Wellpappenmaschine Download PDF

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Publication number
EP0104372B1
EP0104372B1 EP83107719A EP83107719A EP0104372B1 EP 0104372 B1 EP0104372 B1 EP 0104372B1 EP 83107719 A EP83107719 A EP 83107719A EP 83107719 A EP83107719 A EP 83107719A EP 0104372 B1 EP0104372 B1 EP 0104372B1
Authority
EP
European Patent Office
Prior art keywords
corrugated
roll
web
corrugated cardboard
deviation
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.)
Expired
Application number
EP83107719A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0104372A1 (de
Inventor
Manfred Schommler
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.)
Werner H K Peters Maschinenfabrik GmbH
Original Assignee
Werner H K Peters Maschinenfabrik GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6172391&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0104372(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Werner H K Peters Maschinenfabrik GmbH filed Critical Werner H K Peters Maschinenfabrik GmbH
Priority to AT83107719T priority Critical patent/ATE22415T1/de
Publication of EP0104372A1 publication Critical patent/EP0104372A1/de
Application granted granted Critical
Publication of EP0104372B1 publication Critical patent/EP0104372B1/de
Expired 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
    • 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

Definitions

  • the invention relates to a single-sided corrugated cardboard machine with a first corrugating roller and a second corrugating roller, which mesh with one another and between which a paper web to be corrugated is inserted, an adhesive applicator for applying adhesive to the crests of the corrugated cardboard web, a pressing device interacting with the second corrugating roller Applying a cover sheet to the corrugated cardboard sheet which has a first deflecting roller and a second deflecting roller which are arranged parallel and at a distance from one another and over which the cover sheet coming from a roll is guided so that it presses against the corrugated cardboard sheet on the second corrugated roller applies and in which a blowing device is arranged between the deflecting rollers, which builds up a pressure cushion on the side of the cover sheet facing away from the second corrugating roller.
  • a corrugated cardboard machine of this type is known (DE-A 25 27 819).
  • the cover sheet is pressed on with the help of a press roller.
  • press rolls creates considerable problems. Undesired vibrations in one-sided Welchlpappen machines are mainly caused by the press roll. The crowning of press rolls also presents considerable problems.
  • the press roller must also be replaced.
  • the press roll also makes a significant contribution to the generation of noise during operation of the single-sided corrugated cardboard machine.
  • Further disadvantages with press rolls are that there are punched lines which occur due to the punching of the tooth tips of the corrugated roll against the press roll.
  • the papers can also be squeezed or cut in extreme cases. Since the press roller only allows line contact, there is a very short period of time in which the cover sheet is pressed against the corrugated sheet (dwell time). Short dwell times can impair the quality of the gluing. They also limit the production speed.
  • a pressure belt which mostly consists of steel strip.
  • a blowing device is arranged between the deflecting rollers and builds up a pressure cushion on the back of the working strand of the steel strip.
  • a pressing device for single-sided corrugated cardboard machines also has some disadvantages.
  • blow hood to the second corrugated roller (DE-A 24 21 771).
  • the blow hood has on its side facing the second corrugating roller a curved deflection surface, the curvature of which corresponds approximately to that of the circumference of the corrugating roller.
  • the cover sheet is guided along the guide surface, in which, however, a plurality of holes are provided, via which blowing air can be directed against the cover sheet.
  • a disadvantage of this known corrugated cardboard machine is the fact that the stationary guide surface is at least partially subject to wear. Heavy wear makes it necessary to replace the entire blow hood.
  • the object of the invention is to improve the known corrugated cardboard machine described at the outset in such a way that perfect gluing of the cover sheet is achieved with a uniform contact pressure.
  • the cover sheet itself is used as Pressure element used.
  • it is braked in front of the corrugating roller so that it can wrap around the two deflection rollers under a desired tension.
  • the compressed air cushion which is applied to the back of the cover sheet between the deflection rollers, only has a supporting effect, especially with regard to the equalization of the contact pressure.
  • the pressure belt can also be used to enter heat in the actual gluing area. In principle, this is also known in the case of the corrugated cardboard machine mentioned at the outset, but there a large part of the heat is dissipated unused via the steel belt.
  • an effective pressing of the cover web against the second corrugating roller can be achieved with extremely simple means with a completely uniform contact against the corrugated web, without the gluing process being disturbed in any way by the contact pressure.
  • the contact pressure can be set to the desired level.
  • the corrugated cardboard machine according to the invention also eliminates the problems with regard to the vibrations caused by the press roll and to the press roll crowning. Since the cover sheet is pressed against the corrugated sheet over a longer distance, the production speed can be increased considerably. Damage to the webs by the press roll is also eliminated. Finally, the generation of noise, to which the press roll together with the second corrugated roll contributes significantly, is greatly reduced.
  • the cover sheet is preheated before it is applied to the wave track.
  • the blown air is heated. With the help of the heated blown air, a predetermined temperature can therefore be set in the cover sheet or the wave sheet.
  • a further embodiment of the invention provides that the blown air comes at least partially from the exhaust air of the vacuum device.
  • the corrugated rollers are normally heated, but at least the incoming corrugated web is at an elevated temperature.
  • the exhaust air coming from the vacuum device is therefore also at a higher temperature.
  • the exhaust air is left unused outdoors. As a result, considerable energy is lost.
  • the exhaust air is used to heat the cover and corrugated sheet. This means that part of the lost energy is recovered.
  • a vacuum chamber is arranged along an outer circumferential area of the second corrugating roller that is not covered by the corrugated paper web and generates a vacuum in annular suction grooves of the second corrugating roller.
  • a suppressor is known per se (DE-AS 28 40 150)
  • the cover sheet is kept under tension.
  • the conveying element of the extraction device acts on the corrugated cardboard web while slipping.
  • the take-off device has a vacuum conveyor belt. Such a take-off device ensures a synchronous running behavior to the corrugating rollers with sufficient tension at the bonding point, so that an effective bonding between corrugated material and cover sheet is achieved.
  • the second deflection roller is preferably formed by a deflection roller of the vacuum conveyor belt.
  • a further embodiment of the invention provides that the deflecting rollers are mounted so as to be movable parallel to themselves.
  • the storage can take place in such a way that the rollers can be displaced away from the corrugating roller against a tension whose size can be changed.
  • the single figure shows a section through a schematically illustrated single-sided corrugated cardboard machine according to the invention.
  • the single-sided corrugated cardboard machine shown in the drawing has a first or upper corrugating roller 10 and a second or lower corrugating roller II meshing therewith.
  • the engagement area of the two corrugating rollers 10, 11 is supplied with a corrugated material web 13 via a deflection roller 12.
  • the directions of rotation of the corrugated rollers 10, 11 are by arrows indicated.
  • the corrugated web 14 is in the corrugations of the corrugating roller 11. They are held herein by a suction device, generally designated 15.
  • the suction device has a suction chamber 16 which is arranged on the opposite side of the corrugating roller 11.
  • the corrugated roller 11 also has a plurality of axially spaced annular suction grooves, so that a negative pressure in the suction chamber 16 also creates a negative pressure in the suction grooves, as a result of which the corrugated web 14 is held tightly against the corrugation of the corrugated roller.
  • the air discharged from the suction device 15 is indicated by thick arrows 17.
  • the structure of the suction device 15 should not be discussed in detail since it is state of the art.
  • a second deflecting roller 22 is located at the circumferential distance from the deflecting roller 21, also near the lower corrugating roller 11. It serves as a deflecting roller for a vacuum conveyor belt 23, which is driven counterclockwise by means of a drive roller 24.
  • the second deflection roller 22 serves at the same time to deflect the cover sheet 20 and the corrugated sheet 14 connected to it.
  • the deflecting rollers 21, 22 are arranged so that the cover sheet 20 wraps around the lower corrugated roller over a certain angle.
  • a blow hood 25 which extends over the length of the corrugating roller 11 and is connected to a feed channel 26, is arranged between the deflecting rollers 21 and 22. With the help of the blow hood 25, an air cushion 27 is built up between the deflecting rollers 21 and 22, which supports the pressure effect of the tensioned cover sheet 20.
  • the feed channel 26 is connected to the suction device 15, which is not shown in detail.
  • the hot air emerging from the suction device 15 is supplied to the blow hood 25 via the channel 26.
  • the temperature of the blown air in the blower hood 25 can be lowered or increased by suitable heating devices. With the aid of the blow hood 25, a desired temperature can therefore be set in the contact area of the cover sheet 10.
  • rollers 21, 22 are, as indicated by double arrows, adjustable. In this way, the contact pressure of the cover sheet on the corrugating roller 21 can be varied.
  • the tension on the cover sheet 20 can be adjusted or varied such that when the cover sheet is fed, it is braked by the appropriate amount, e.g. B. when rolling. As a result, the contact pressure of the cover sheet 20 against the corrugating roller 11 can also be set accordingly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
EP83107719A 1982-09-03 1983-08-05 Einseitige Wellpappenmaschine Expired EP0104372B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83107719T ATE22415T1 (de) 1982-09-03 1983-08-05 Einseitige wellpappenmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3232774A DE3232774C2 (de) 1982-09-03 1982-09-03 Einseitige Wellpappenmaschine
DE3232774 1982-09-03

Publications (2)

Publication Number Publication Date
EP0104372A1 EP0104372A1 (de) 1984-04-04
EP0104372B1 true EP0104372B1 (de) 1986-09-24

Family

ID=6172391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83107719A Expired EP0104372B1 (de) 1982-09-03 1983-08-05 Einseitige Wellpappenmaschine

Country Status (5)

Country Link
EP (1) EP0104372B1 (da)
AT (1) ATE22415T1 (da)
DE (2) DE3232774C2 (da)
DK (1) DK401183A (da)
ES (1) ES8404643A1 (da)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570327A1 (fr) * 1984-09-17 1986-03-21 Westvaco Corp Appareil d'encollage des ondulations d'un carton ondule, et procede de fabrication d'elements composites multicouches
EP0279609A2 (en) * 1987-02-18 1988-08-24 Amcor Limited Manufacturing corrugated board
AU609089B2 (en) * 1987-02-18 1991-04-26 Amcor Limited Manufacturing corrugated board
EP0687552A2 (de) 1994-06-16 1995-12-20 BHS Corrugated Maschinen- und Anlagenbau GmbH Maschine zur Herstellung einer mindestens einseitig kaschierten Wellpappebahn
US5630903A (en) * 1994-06-16 1997-05-20 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Machine for the manufacture of a single-face lined web of corrugated board
EP0911145A2 (en) * 1997-10-22 1999-04-28 Mitsubishi Heavy Industries, Ltd. Single facer

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422413A1 (de) * 1984-06-16 1985-12-19 Werner H.K. Peters Maschinenfabrik Gmbh, 2000 Hamburg Vorrichtung zur erzeugung eines ueber- oder eines unterdrucks auf eine in laengsrichtung gefoerderte papierbahn, insbesondere in einer wellpappenanlage
ES2053377B1 (es) * 1992-03-02 1996-01-16 Torres Martinez M Sistema para la fabricacion de carton ondulado.
DK0779035T3 (da) * 1995-07-04 2003-01-20 Snow Brand Milk Products Co Ltd Modificeret valleprotein
DE19603015A1 (de) * 1996-01-17 1997-07-24 Europa Carton Ag Andrückleiste
DE69618167D1 (de) * 1996-03-08 2002-01-31 Cartonneries De La Lys Ondulys Gewelltes Verpackungsmaterial und Verfahren und Vorrichtung zur Herstellung eines gewellten Verpackungsmaterials
GB201302572D0 (en) * 2013-02-14 2013-03-27 Interpac Ltd Improvements to apparatus for the manufacture of corrugated board

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE24416C (de) * TH. HANSEN, Fabriken Papyrus bei Kopenhagen Vorrichtung zur Herstellung eines elastischen Verpackungsstoffes aus Papier
US2638962A (en) * 1951-02-24 1953-05-19 Samuel M Langston Co Machine for making corrugated paper
CA879643A (en) * 1969-02-24 1971-08-31 Consolidated-Bathurst Limited Method and apparatus for bonding thermoplastic materials and products thereof
FR2142591A1 (en) * 1971-06-21 1973-02-02 Roquette Freres Plastics coated press - for surfacing corrugated paper
DE2409492A1 (de) * 1974-02-28 1975-09-04 Genco Int Gehle Kummer Gmbh Vorrichtung zum ausziehen und zum einschieben von in laengsrichtung gefoerderten wellpappbahnen in querschneidervorrichtungen
CH577381A5 (da) * 1974-04-25 1976-07-15 Escher Wyss Ag
DE2527819A1 (de) * 1975-06-21 1976-12-30 Bhs Bayerische Berg Maschine zur herstellung einseitig beklebter wellpappe
JPS52159473U (da) * 1976-05-28 1977-12-03
JPS5453096A (en) * 1977-10-03 1979-04-26 Isowa Industry Co Core holder for apparatus for making oneeside corrugated cardboard
DE2823674C2 (de) * 1978-05-31 1983-05-05 BHS-Bayerische Berg-, Hütten- und Salzwerke AG, 8000 München Vorrichtung zum Halten einer gewellten Bahn einer wenigstens einseitig mit einer Decklage zu versehenden Wellpappe an einer Riffelwalze
JPS5631024U (da) * 1979-08-17 1981-03-26
JPS57182423A (en) * 1981-05-08 1982-11-10 Mitsubishi Heavy Ind Ltd Pasting device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570327A1 (fr) * 1984-09-17 1986-03-21 Westvaco Corp Appareil d'encollage des ondulations d'un carton ondule, et procede de fabrication d'elements composites multicouches
EP0279609A2 (en) * 1987-02-18 1988-08-24 Amcor Limited Manufacturing corrugated board
EP0279609A3 (en) * 1987-02-18 1988-09-28 Amcor Limited Manufacturing corrugated board
AU609089B2 (en) * 1987-02-18 1991-04-26 Amcor Limited Manufacturing corrugated board
EP0687552A2 (de) 1994-06-16 1995-12-20 BHS Corrugated Maschinen- und Anlagenbau GmbH Maschine zur Herstellung einer mindestens einseitig kaschierten Wellpappebahn
US5630903A (en) * 1994-06-16 1997-05-20 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Machine for the manufacture of a single-face lined web of corrugated board
US5632850A (en) * 1994-06-16 1997-05-27 BHS Corrugated Maschinen- und Anlagenbau GmbH Machine for the manufacture of a web of at least single-face corrugated board
EP0911145A2 (en) * 1997-10-22 1999-04-28 Mitsubishi Heavy Industries, Ltd. Single facer

Also Published As

Publication number Publication date
DE3232774C2 (de) 1986-06-19
ES525322A0 (es) 1984-05-16
DE3366464D1 (en) 1986-10-30
DK401183A (da) 1984-03-04
DK401183D0 (da) 1983-09-02
EP0104372A1 (de) 1984-04-04
DE3232774A1 (de) 1984-03-08
ES8404643A1 (es) 1984-05-16
ATE22415T1 (de) 1986-10-15

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