EP0687552A2 - Machine for the production of corrugated paper covered on at least one side - Google Patents

Machine for the production of corrugated paper covered on at least one side Download PDF

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Publication number
EP0687552A2
EP0687552A2 EP95108699A EP95108699A EP0687552A2 EP 0687552 A2 EP0687552 A2 EP 0687552A2 EP 95108699 A EP95108699 A EP 95108699A EP 95108699 A EP95108699 A EP 95108699A EP 0687552 A2 EP0687552 A2 EP 0687552A2
Authority
EP
European Patent Office
Prior art keywords
roller
machine
pressure
tensioning
rings
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.)
Granted
Application number
EP95108699A
Other languages
German (de)
French (fr)
Other versions
EP0687552A3 (en
EP0687552B1 (en
Inventor
Andreas Knorr
Hans Mosburger
Gustav Alfons Gnan
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.)
BHS Corrugated Maschinen und Anlagenbau GmbH
Original Assignee
BHS Corrugated Maschinen und Anlagenbau 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
Priority to DE4420726 priority Critical
Priority to DE19944420726 priority patent/DE4420726A1/en
Application filed by BHS Corrugated Maschinen und Anlagenbau GmbH filed Critical BHS Corrugated Maschinen und Anlagenbau GmbH
Publication of EP0687552A2 publication Critical patent/EP0687552A2/en
Publication of EP0687552A3 publication Critical patent/EP0687552A3/en
Application granted granted Critical
Publication of EP0687552B1 publication Critical patent/EP0687552B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31FMECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28Making 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
    • B31F1/2845Details, e.g. provisions for drying, moistening, pressing
    • B31F1/2877Pressing means for bringing facer sheet and corrugated webs into contact or keeping them in contact, e.g. rolls, belts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor
    • Y10T156/1002Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1025Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact

Abstract

The machine has two rippled rollers (2,3) for producing ripples (41) on the paperboard (40). A glue applicator (13) applies glue on the peaks of the ripples and a pressing device presses a board (43) onto the glued peaks. The machine has a pressure unit having several tensioning devices next to each other over the whole width (d) of a pressure belt (19) made of synthetic material. The devices are tensioning rollers which are movable at right angles to their axes (39) and which are mounted on a common stationary roller carrier (23). The tensioning rollers are movable more or less parallel to the run-off direction of the paperboard web from the pressure region. <IMAGE>

Description

  • The invention relates to a machine according to the preamble of claim 1.
  • Such a machine is known from EP 0 492 310 A1. The corrugated cardboard webs produced on such machines are between 1.2 and 2.8 m and usually 2.5 m wide. There are therefore considerable difficulties in achieving a uniform pressure by the pressure belt over the full width of the paper web, since the deflection roller bends. EP 0 492 310 A1 therefore provides for the deflection roller to be spherical in order to compensate for the deflection of the deflection roller. The effort for this is considerable. In addition, the pressure band is subjected to torsional effects. Furthermore, the replacement of a damaged pressure belt is extremely time-consuming and costly. At least one deflecting roller is mounted in bearings, which are each displaceable by means of a tensioning drive formed by a piston-cylinder drive.
  • From EP 0 104 372 B1 it is known to press the pressure belt against the corrugated roller by means of a compressed air cushion in the pressure area.
  • From US-PS 2 638 962 it is known to guide an endless pressure belt over two deflection rollers which are mounted in a rocker-like frame. By adjusting this swing-like frame, the contact pressure can be changed.
  • From EP 0 024 817 B1 it is known to press an endless pressure band in the pressure area from the inside with a pressure element against the corrugated roller.
  • DE 38 31 924 A1 discloses a roller, in particular a counter-pressure roller of a pair of rollers for conveying and / or processing a material web, which roller has a stationary roller carrier and a movable roller jacket. At least one roller tube comprising the roller carrier is arranged between the roller carrier and the roller jacket. This roller tube is articulated to a limited extent on the roller carrier. The roller jacket is rotatably mounted on it. This configuration ensures that the counter-pressure roller no longer requires external pivot levers.
  • The invention has for its object to develop a machine of the generic type so that the pressing of the laminating web in the pressing area takes place in a particularly simple and reliable manner.
  • This object is achieved by the features in the characterizing part of claim 1. The measures according to the invention ensure that the pressure belt can be guided cleanly in a simple manner. The width of the tape can be stretched differently, as is desired for the distribution of the contact forces or the contact pressure over the width of the corrugated cardboard web. In particular, the tensioning devices as a whole can take the form of a spherical tensioning roller, so that good guidance of the pressure belt is also ensured. In particular, different strains of the pressure band due to different heating can also be compensated.
  • Numerous further developments arise from the subclaims.
  • Further features, advantages and details of the invention result from the following description of an embodiment of the invention. It shows
  • Fig. 1
    a machine for producing a web of corrugated cardboard laminated on one side in a vertical, partially broken-open representation,
    Fig. 2
    1 according to the arrow II in FIG. 1,
    Fig. 3
    a cross section through a tension roller in a modified version and
    Fig. 4
    2 shows a plan view of a modified embodiment of a machine in a representation corresponding to FIG. 2.
  • In a machine frame 1, a lower corrugating roller 2 and an upper corrugating roller 3 are rotatably supported by means of shafts 4, 5. They have axes 6, 7 parallel to one another. On their cylinder surfaces they are provided with corrugations 8, 9 which extend parallel to the axes 6, 7 and which mesh with one another in the contact area 10 of the two corrugating rollers 2, 3. One of the corrugating rollers 2, 3, usually the upper corrugating roller 3 is driven in the direction of rotation 12, while the other corrugating roller, usually the lower corrugating roller 2 in the direction of rotation 11, is carried along by the other corrugating roller 3. A glue application device 13 is arranged in the machine frame 1 in the direction of rotation 11 or 12 downstream of the contact area 10, said glue application device 13 having a glue application roller 14 which can be set against the corrugation 9 of the upper corrugation roller 3. The application roller 14 is rotatable about an axis 15.
  • In the upper area of the upper corrugating roller, a pressure device 16 is provided, which has a deflection roller 17, a tension roller 18 and a pressure belt 19.
  • The deflecting roller 17 is rotatably mounted about an axis 22 in bearings 21 of the machine frame 1 by means of shaft journals 20 and is carried along by the upper corrugated roller 3.
  • The tensioning roller 18 has a cylindrical roller support 23 which is supported in a stationary and non-rotatable manner in the machine frame 1 and on which a plurality of support rings 24 are arranged side by side and non-rotatably relative to the roller support 23. On each support ring 24, a roller casing ring 25 is freely rotatable, for which purpose it is on the respective support ring 24 by means of Slide or roller bearing 26 is supported. The pressure band 19 is guided over the roller jacket rings 25.
  • As can be seen in FIG. 1, the pressure belt 19 lies against the corrugation 9 of the upper corrugating roller 3 over a wrap angle a of approximately 90 ° and rotates in the same direction of rotation in accordance with the directional arrow 27. The pressure belt 19 runs from the upper corrugating roller 3 in accordance with the outlet tangent 28, which is identical to the inlet tangent of the pressure belt 19 onto the tension roller 18.
  • The support rings 24 and with them the roller casing rings 25 are displaceable on the roller carrier 23 parallel to the outlet tangent 28 of the pressure belt 19, in each case individually. For this purpose, bearing strips 30 are mounted on the roller carrier 23 parallel to its axis, against which in turn guide strips 31 bear, which are attached to the inside of each support ring 24. As a result, sliding bearings 32 are formed, by means of which each roller casing ring 25 on the roller carrier 23 is immovable transversely to the outlet tangent 28 and essentially free of play and can be displaced in the direction 33 parallel to the outlet tangent 28.
  • In the space 34 between each support ring 24 and the roller carrier 23, a tensioning drive 35 is arranged, which can be formed, for example, by a pressure cushion 36, which is connected via a pressure medium channel 37 in the roller carrier 23 to a pressure medium source, not shown. The pressure cushion 36 or the pressure cushion 36 of each support ring 24 is assigned its own pressure medium channel 37 in the roller carrier 23, which can be acted upon independently of the other pressure medium channels 37 with pressure medium. The pressure medium will usually be compressed air. As can be seen in FIG. 1, the tensioning drive 35 displaces the support ring 24 in the direction 33 when pressure medium is applied. Due to the described embodiment, each roller casing ring 25 forms a tensioning roller 18 for the pressure belt 19, so that the pressure belt 19 extends over its width can be stretched differently.
  • The width b of the individual roller jacket rings 25 is usually not greater than 400 mm and generally between 100 mm to 400 mm. The distance c between adjacent roller jacket rings 25 is so small as possible in terms of construction, but generally not larger than 10 mm. The total width d of the pressure belt 19 and thus the tension roller 18 is usually 1.2 to 2.8 m and usually 2.5 m.
  • The tensioning roller 18 'shown in cross section in FIG. 3 differs from the tensioning roller 18 shown in FIGS. 1 and 2 in the manner in which the support rings 24 are supported or supported on the roller carrier 23. In this embodiment, the support rings 24 are not slidably supported on the roller carrier 23 by means of sliding bearings; rather, the support rings 24 are each attached to the roller carrier 23 by means of a joint 38, the pivot axis 39 of which runs parallel to the axis 29 of the roller carrier 23. The joint 38 with the swivel axis 39 is pivoted relative to the vertical by the angle a / 2, in the present case by 45 ° relative to the vertical, so that the support rings 24 with the roller-jacket rings 25 are approximately exactly in line with the small pivoting movements that occur Be pivoted towards 33. Here, too, the movement of the support rings 24 with the roller casing rings 25 takes place parallel to the outlet tangent 28.
  • All axes 6, 7, 15, 22, 29, 39 run parallel to each other.
  • The device works as follows:
    A paper web 40 runs into the contact area 10 between the lower and the upper corrugating roller 2, 3 and is provided with a corrugation 41 by the corrugations 8, 9. The tips 42 of the respective corrugations 41 are provided with glue in the glue application device 13. The remaining areas of the corrugated paper web 40 are not glued. About the deflection roller 17, a liner 43 is fed, which also consists of paper and has the same width as the paper web 40. The width of the paper web 40 is at most equal to the total width d of the pressure belt 19. This liner 43 is against the outside 44 of the pressure belt 19 introduced and pressed into the pressing area 45 of the pressing belt 19 defined by the wrap angle a against the tips 42 of the corrugated paper web 40 lying in the corrugation 9 of the upper corrugating roller 3 and connected thereto. The pressure band 19 presses the laminating web 43 against the corrugated paper web 40 with its smooth outer side 44.
  • The fully glued corrugated cardboard 46 laminated on one side with a lamination web 43 runs in the direction of the discharge tangent 28 together with the pressure belt 19 from the upper corrugating roller 3 and is partly guided around the tension roller 18 or 18 'with the pressure belt 19. From there it is fed to a take-up device in the pull-off direction 47. The individual roller jacket rings 25 are adjusted during operation so that the belt tension in the pressure belt 19 is constant or has a desired profile over its width. By differently adjusting the roller jacket rings 25 across the width of the pressure belt 19, the tension roller 18 can be given a spherical shape overall in its region which is encircled by the pressure belt 19 and can be seen in FIG. 1, left, as a result of which the pressure belt 19 laterally exactly on the tension roller 18 is performed.
  • The above-described effect of a spherical configuration of the tensioning roller 18 can, according to the illustration in FIG. 4, be further enhanced by the fact that a continuous, resilient tube 48 is pushed over the roller jacket rings 25 of all tensioning rollers 18 and, because of the properties described, consists of plastic . This tube 48 is deformed over its entire length with a corresponding adjustment of the roller jacket rings 25, that is to say it is given a spherical shape in the cross-sectional plane shown on the left in FIG. 4, which runs parallel to the outlet tangent 28 and which corresponds to the adjustment direction 33. Alternatively, it can also be expedient to pull the corrugated cardboard web 46 from the corrugating roller 3 in the direction of the outlet tangent 28 and not to guide it around the tensioning roller 18 or 18 ', but to continue it in a straight line. It is then led out of the machine via a deflection roller (not shown). The tube 48 does not have to be pushed over the roller jacket rings 25; if necessary, it can also be pushed directly onto the sliding or rolling bearings 26, ie in this case the roller casing rings 25 would be formed over the full width of the pressing device 16 by a one-piece, elastically flexible tube made of plastic. It is crucial that the tube 48 is deformable by a few millimeters, usually not more than 1 mm, over its full length of up to 2.5 m is. In this respect, it can also be a thin steel tube or a slotted steel tube.
  • The pressure band 19 is expediently made of plastic so that it can be tensioned differently over its width.

Claims (14)

  1. Machine for producing a web of corrugated cardboard (46) laminated at least on one side,
    with two corrugated rollers (2, 3) for producing a corrugation (41) on a paper web (40),
    with a glue application device (13) for applying glue to the tips (42) of the corrugation (41) of the corrugated paper web (40),
    with a pressing device (16) for pressing a laminating web (43) against the glue-provided tips (42) of the corrugated paper web (40) lying against one of the corrugating rollers (3) via a pressing area (45), the pressing device (16) has an endless pressure belt, which is guided over a deflecting roller (17) and a further roller (18, 18 '), and which is pressed against the corrugating roller (3) via the pressure region (45) and wherein the pressure device (16) has a tensioning device for the pressure band,
    characterized in that the pressure device (16) has a plurality of tensioning devices next to one another over the full width (d) of the pressure belt (19).
  2. Machine according to claim 1, characterized in that the pressure belt (19) is guided over a plurality of tensioning rollers which can be moved transversely to their axis (29).
  3. Machine according to claim 2, characterized in that the tensioning rollers are movably mounted on a common stationary roller carrier (23).
  4. Machine according to claim 2 or 3, characterized in that the tensioning rollers (roller jacket rings 25) can be moved approximately parallel to the direction of discharge (outlet tangent 28) of the corrugated cardboard web (46) from the pressing area (45).
  5. Machine according to claim 3 or 4, characterized in that supporting rings (24) are slidably mounted on the roller carrier (23), on each of which the tensioning rollers (roller casing rings 25) are rotatably mounted.
  6. Machine according to claim 5, characterized in that the support rings (24) are mounted on the roller carrier (23) by means of sliding bearings (32).
  7. Machine according to claim 3 or 4, characterized in that support rings (24) are pivotally mounted on the roller carrier (23), on each of which the tensioning rollers (roller jacket rings 25) are rotatably mounted.
  8. Machine according to claim 5 or 6, characterized in that a tensioning drive (35) is arranged between the roller carrier (23) and each support ring (24).
  9. Machine according to claim 8, characterized in that the tensioning drive (35) is formed by at least one pressure cushion (36) which can be pressurized with pressure medium.
  10. Machine according to one of claims 4 to 9, characterized in that the following applies to the width (b) of the tensioning rollers (roller jacket rings 25): b <400 mm, and preferably 100 mm <b <400 mm.
  11. Machine according to one of claims 4 to 10, characterized in that the following applies to the distance (c) between two adjacent tensioning rollers (roller-jacket rings 25): c <10 mm.
  12. Machine according to one of claims 1 to 11, characterized in that a resiliently resiliently deformable tube (48) is arranged between the tensioning devices and the pressure belt (19).
  13. Machine according to claim 12, characterized in that the tube (48) consists of plastic.
  14. Machine according to one of claims 1 to 13, characterized in that the pressure belt (19) consists of plastic.
EP95108699A 1994-06-16 1995-06-07 Machine for the production of corrugated paper covered on at least one side Expired - Lifetime EP0687552B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE4420726 1994-06-16
DE19944420726 DE4420726A1 (en) 1994-06-16 1994-06-16 Machine for producing a web of corrugated cardboard laminated at least on one side

Publications (3)

Publication Number Publication Date
EP0687552A2 true EP0687552A2 (en) 1995-12-20
EP0687552A3 EP0687552A3 (en) 1996-04-17
EP0687552B1 EP0687552B1 (en) 1998-03-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP95108699A Expired - Lifetime EP0687552B1 (en) 1994-06-16 1995-06-07 Machine for the production of corrugated paper covered on at least one side

Country Status (3)

Country Link
US (1) US5632850A (en)
EP (1) EP0687552B1 (en)
DE (1) DE4420726A1 (en)

Cited By (15)

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Publication number Priority date Publication date Assignee Title
EP0878295A1 (en) * 1997-05-13 1998-11-18 Marquip, Inc. Improved single facer with small intermediate corrugating roll
US5951817A (en) * 1997-08-14 1999-09-14 United Container Machinery, Inc. Single facer having an auxiliary nip
EP1640126A1 (en) 2004-09-23 2006-03-29 BHS Corrugated Maschinen-und Anlagenbau GmbH Apparatus and method for manufacturing undulated cardboard sheets
DE102005026532A1 (en) * 2005-06-08 2006-12-14 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh corrugator
EP1905893A1 (en) * 2006-09-29 2008-04-02 BHS Corrugated Maschinen- und Anlagenbau GmbH Machine for manufacturing a corrugated cardboard sheet clad on at least one side and tension roller for such a machine
DE102011017487A1 (en) 2011-04-19 2012-10-25 RSD - Industrietechnik GmbH One-sided machine for production of corrugated cardboard, has device for applying glue films to corrugated web on corrugating roll, such that partitions of teeth are formed on rolls in non-constant state, when viewed over cross section
DE102011018939A1 (en) 2011-04-29 2012-10-31 Felix Titz Corrugated board system has connection unit that is led out of one-sided web, to connect both one-sided webs with each other
EP2679527A1 (en) 2012-06-28 2014-01-01 BHS Corrugated Maschinen-und Anlagenbau GmbH Corrugated board system for producing corrugated board
DE102013215068A1 (en) 2013-08-01 2015-02-05 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Sheet-braking device
DE102013221222A1 (en) 2013-10-18 2015-04-23 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Arc-influencing arrangement
DE102015000191A1 (en) 2015-01-03 2016-07-21 RSD - Industrietechnik GmbH Bonding control
DE102015206650A1 (en) 2015-04-14 2016-10-20 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Plant for producing a corrugated web
DE102015219630A1 (en) 2015-09-24 2017-03-30 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Corrugating machine
EP3575252A1 (en) 2018-05-30 2019-12-04 BHS Corrugated Maschinen-und Anlagenbau GmbH Brush roller
EP3590698A1 (en) 2018-07-05 2020-01-08 BHS Corrugated Maschinen-und Anlagenbau GmbH Corrugated board system

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IT1298011B1 (en) * 1997-07-11 1999-12-20 Agnati Spa ondulare Group, particularly for sheets or webs of paper, or the like.
DE19751162A1 (en) * 1997-11-19 1999-05-20 Bhs Corr Masch & Anlagenbau Machine for producing a web of corrugated cardboard laminated at least on one side
DE19955916A1 (en) * 1999-11-20 2001-05-23 Bhs Corr Masch & Anlagenbau Plant for the production of a corrugated cardboard web
US6836331B2 (en) 1999-11-20 2004-12-28 Bhs Corrugated Maschinen-Und Anlagenbau Gmbh Apparatus for detection of format accuracy of a web of corrugated board
DE19955917A1 (en) * 1999-11-20 2001-05-23 Bhs Corr Masch & Anlagenbau Plant for the production of a corrugated cardboard web
DE10143633A1 (en) * 2001-09-06 2003-03-27 Bhs Corr Masch & Anlagenbau Corrugating machine
DE10245264A1 (en) * 2002-09-27 2004-04-01 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Corrugating machine
DE10312600A1 (en) * 2003-03-21 2004-10-07 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Corrugated cardboard plant and process for the production of corrugated sheets
DE10312601A1 (en) * 2003-03-21 2004-09-30 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Material web and process for the production of corrugated cardboard
US20060060149A1 (en) * 2004-09-23 2006-03-23 Response Engineering, Inc. Spill-resistant drinking container for animals
DE102005035030A1 (en) * 2005-07-27 2007-02-01 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Lined corrugated paperboard producing machine, has two anvil rollers, glue application unit and pressing unit whereby wrap threads and weft threads, at their intersection, are connected with one another by means of synthetic material
SG10201501317WA (en) * 2010-03-31 2015-04-29 Corcel Ip Ltd Improved method and apparatus for forming corrugated board
EP2805810B1 (en) * 2013-05-23 2016-03-16 BHS Corrugated Maschinen-und Anlagenbau GmbH Arrangement for producing a corrugated board web laminated on one side

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EP0024817B1 (en) 1979-08-17 1984-10-17 Mitsubishi Jukogyo Kabushiki Kaisha Single facer for corrugated board
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DE3831924A1 (en) 1988-09-20 1990-03-22 Bhs Bayerische Berg Cylinder, in particular back pressure cylinder of a pair of cylinders for conveying and/or processing a web of material
EP0492310A1 (en) 1990-12-25 1992-07-01 Mitsubishi Jukogyo Kabushiki Kaisha Single-faced corrugated cardboard sheet making machine

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878295A1 (en) * 1997-05-13 1998-11-18 Marquip, Inc. Improved single facer with small intermediate corrugating roll
US5951817A (en) * 1997-08-14 1999-09-14 United Container Machinery, Inc. Single facer having an auxiliary nip
EP1640126A1 (en) 2004-09-23 2006-03-29 BHS Corrugated Maschinen-und Anlagenbau GmbH Apparatus and method for manufacturing undulated cardboard sheets
DE102005026532A1 (en) * 2005-06-08 2006-12-14 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh corrugator
US7921892B2 (en) 2005-06-08 2011-04-12 Bhs Corrugated Maschinen-Und Anlagenbau Gmbh Corrugating machine
EP1905893A1 (en) * 2006-09-29 2008-04-02 BHS Corrugated Maschinen- und Anlagenbau GmbH Machine for manufacturing a corrugated cardboard sheet clad on at least one side and tension roller for such a machine
DE102011017487A1 (en) 2011-04-19 2012-10-25 RSD - Industrietechnik GmbH One-sided machine for production of corrugated cardboard, has device for applying glue films to corrugated web on corrugating roll, such that partitions of teeth are formed on rolls in non-constant state, when viewed over cross section
DE102011018939A1 (en) 2011-04-29 2012-10-31 Felix Titz Corrugated board system has connection unit that is led out of one-sided web, to connect both one-sided webs with each other
US9108382B2 (en) 2012-06-28 2015-08-18 Bhs Corrugated Maschinen-Und Anlagenbau Gmbh Corrugated board system for producing corrugated board
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DE102018211141A1 (en) 2018-07-05 2020-01-09 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh corrugator

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US5632850A (en) 1997-05-27
EP0687552B1 (en) 1998-03-04
DE4420726A1 (en) 1995-12-21
EP0687552A3 (en) 1996-04-17

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