EP0876978A2 - Dispositif pour gondoler du matériau en couche, spécialement du papier - Google Patents

Dispositif pour gondoler du matériau en couche, spécialement du papier Download PDF

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Publication number
EP0876978A2
EP0876978A2 EP98105172A EP98105172A EP0876978A2 EP 0876978 A2 EP0876978 A2 EP 0876978A2 EP 98105172 A EP98105172 A EP 98105172A EP 98105172 A EP98105172 A EP 98105172A EP 0876978 A2 EP0876978 A2 EP 0876978A2
Authority
EP
European Patent Office
Prior art keywords
straightening
adjustable
guide surfaces
deflection
gap
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
EP98105172A
Other languages
German (de)
English (en)
Other versions
EP0876978B1 (fr
EP0876978A3 (fr
Inventor
Markus Mansfeld
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.)
Bielomatik Leuze GmbH and Co KG
Original Assignee
Bielomatik Leuze GmbH and Co KG
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=7824991&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0876978(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bielomatik Leuze GmbH and Co KG filed Critical Bielomatik Leuze GmbH and Co KG
Publication of EP0876978A2 publication Critical patent/EP0876978A2/fr
Publication of EP0876978A3 publication Critical patent/EP0876978A3/fr
Application granted granted Critical
Publication of EP0876978B1 publication Critical patent/EP0876978B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/34—Apparatus for taking-out curl from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/50—Diminishing, minimizing or reducing
    • B65H2601/52—Diminishing, minimizing or reducing entities relating to handling machine

Definitions

  • the invention relates to a device with which flexible bending or elastic materials e.g. to achieve a desired stress-free shape, such as a plan shape can be.
  • Such materials can be constant thick substrates or other rollable materials that are in individual cuts or processed as an endless material web will.
  • This deflection can be upstream and / or be provided downstream of the straightening surface.
  • both sides of the material are the Deflection arrangement and the alignment surface arrangement expedient adjustable against each other.
  • the leveling surface can be mounted on the device frame that they during entire straightening work against the deflection can, e.g. successive parts of material continuously changing curl in the same, tension-free To convert plan form or the like.
  • can by such adjustability is a space-consuming training with complicated controls and sluggish control movements result in what the quick response to different Curl or other properties of the material difficult.
  • the invention has for its object a straightening device to create the disadvantages of known training or of the type described are avoided and in particular diverse with simple training Allows voltage to be introduced into the material.
  • the e.g. through the deflecting surface and the guiding surfaces formed as gap boundaries a relatively narrow passage gap for the material, which preferably lets the material through without any compressive stress or in its gap width or the like is so variable that it when wrapping the leveling surface through the material a several times smaller than the mentioned deflection radius has the smallest gap width.
  • This gap width is e.g. in one through the center of the straightening surface or the wrap angle measuring the axial plane of the deflection.
  • the smallest gap width can also be smaller than half Quarter or a tenth of the turning radius or less than 50 or 30 times the thickness of the material, so that the maximum free path between the two guiding surfaces as large as the deflection radius or accordingly one of the specified values is smaller.
  • the leveling surface can also be used here during work be adjusted, but it is particularly useful if only the deflection is adjusted transversely to the deflection axis is because this results in relatively small maximum travel ranges as well as positioning times.
  • the deflection surface can be tangential to the level of one adjoining the straightening surface Flank surface and the tangential point of one Position outside the flank surface and opposite the leveling surface stepless to the area of the flank surface and be changed behind the leveling surface. This follows especially if the associated actuating axis is outside the Deflection axes of the upstream or downstream to the straightening surface is the next deflection surface and therefore by the Adjustment movement the gap width of the passage gap slightly is changed.
  • a paper web to be subsequently processed is appropriate with its front end overlapping at the rear end of one leading paper web, e.g. with an adhesive tape, attached before these ends or the seam the processing station to reach. If the seam with curvature or Wrap angle through the machining intervention on the Alignment surface or the like. So it can tear easily.
  • the Guiding surfaces are therefore for the passage of the interface in a very short impulse movement against each other adjustable so that the interface on one or both guide surfaces passed without curvature or even touch can be excluded and therefore this type of damage is.
  • the device for directional intervention only on one Surface side of the layer material can be formed, it is useful for alternating judicial intervention in both Flat sides trained.
  • the deflection surfaces provided for this on the one hand and the straightening surfaces, on the other hand, are mutually exclusive turned towards and can be at a minimum distance from each other which are at most as large as the deflection radius or is smaller.
  • the deflection surfaces can be rotated or rollers are formed, the clear spacing, measured in their common axial plane, smaller than you Radius is.
  • the material can be guided simultaneously and therefore alternately be curved in opposite directions.
  • suction is provided, with which especially in the area of the guide surfaces or the passage gap Particles from dust, paper or the like continuously can be suctioned off.
  • the suction mouth has an axial view a shape deviating from the circular shape, so that in the associated gap limitation only a single suction opening is required.
  • the straightening body is, if necessary, common with a support body, opposite the device frame radially expandable, i.e. transverse to the longitudinal direction of the straightening surface or the width direction of the material.
  • the expansion or that Replacement can therefore also take place if the material enforces the device as intended. same for also for the deflection arrangement or the individual deflection body.
  • FIG. 1 Several straightening devices 1 are horizontal according to FIG. 1 immediately one behind the other with the space requirement for a straightening device 1 smaller intermediate distances in one Straightening station 2 arranged to each a separate layer material 3 to work in a work area.
  • these Working areas of the same devices 1 have the Materials 3 parallel, inclined downward running directions 4 in parallel running planes 5.
  • Each of the Devices 1 is easily detachable as a single module a frame 6 arranged.
  • a multi-layer material web 7 from the initially congruent materials 3 becomes horizontal and above the devices 1 the station 2 of separate role stores directly fed, first aligned with a deflection 9 and then downstream of it the individual materials 3 one after the other at an upper deflection 8 the web 7 deflected and the associated device 1 fed straight stretched. From the work area each material 3 stretched down below Deflections 11 supplied at which the materials 3 be laid one after the other to the track 7.
  • the frame 6 Before and after the devices 1, the frame 6 has in each case a portal 12 or 13 composed of rods, their vertical supports over two sides of the material 3 horizontal horizontal beams 14 connected together are.
  • the longitudinal members 14 carry the on their tops Device modules 1 and together with these as Unit can be removed from the rest of the frame 12, 13.
  • the upper ends of the portals 12, 13 are also via side members connected, at which the deflections 8 one behind the other are rotatably mounted as rollers.
  • the working area of the individual devices 1 will single-layer material 3 as an endless web over a cylindrical Guiding or deflecting surface 15, which is the material 3 over an angle of at most 90 °.
  • the surface 15 reaches the stretched material directly Guide or straightening surface 16, which by a cross-section rounded corner edge is formed.
  • the guide surface 15 is by a rotating roller or deflector 17 and the Straightening surface 16 formed by a stationary straightening body 18, which consistently rectangular flat cross sections has and how the deflector 17 continuously over the Material width runs through.
  • In the work area or near the Passage gap 20 accruing contamination Flow, for example with a suction 19 during the Working operations are pneumatically removed.
  • the towards 4 slit plane 10 inclined downwards of the slit 20 coincides with that flank of the leveling surface 16, which is directly opposite the guide surface 15 and through a continuously flat large surface 21 of the body 18 is formed.
  • the running level 5 is stronger inclined so that the material 3 the gap 20 from a gap limitation 15 to the opposite gap limitation 16 passes through at an acute angle and then on the straightening surface 16 over an angle of less than 90 ° away from the guide surface 15 is deflected downwards.
  • the free running distance of the Material 3 between the two gap boundaries 15, 16 is extremely short, but variable by setting. The free The running distance is smaller than the largest cross-sectional extent of the body 17 or 18 or as half or one Quarter of it.
  • the guide surface 15 is around a horizontal plane 5 parallel deflection axis 22 perpendicular to direction 4 curved, while the straightening surface 16 is parallel to it alignable directional axis 24 is curved.
  • the two convex curved surfaces 15, 16 have very different Radii of curvature, the radius of curvature of the surface 15 at least 10 to 20 times or 30 times larger than that Radius of curvature of the straightening surface 16.
  • the guide surface 15 is about a positioning axis 25 that is fixed to the frame and parallel to axis 22 adjustable, which on the gap 20 or level 10 opposite side of the axis 22 or the body 17 is.
  • the two ends of the body 17 are on two support cheeks 26, 27 attached or rotatably mounted, each with a bearings 28 and 29 on the associated outside the axis 25 rotatably supported over at least 120 ° or 360 ° are.
  • the unit 17, 26, 27 can thereby, possibly together with the bearings 28, 29, radially away from the frame 6 will.
  • stepless adjustment around axis 25 adjusting means 30 are provided, which have a standing Rotary motor 31 and one directly flanged to it Gearbox, such as an angular gear 32, which on the Top of a bracket 14 attached and self-locking is.
  • the associated cheek 26 is free on the protruding output shaft journal of the gear 32 attached, so that its warehouse directly the associated only bearing 28 for the actuator 17, 26, 27 forms and no other, separate or fixed to the frame on this side Stock is required.
  • the actuating means 30, 40, 42, 43 and the suction 19 can either on both sides of the Gap 20 can be arranged, e.g. the transmission 32 optionally on one of the supports 14 and the connection 52, 53, 54, 55 to be arranged optionally in the area of one of the carriers 14 is.
  • the operating side of the device 1 can be selected lie on each of these pages and, if necessary, by means 19, 30, 42 are kept free.
  • control means 33 is provided, the one lying in the axis 25 of the shaft journal and directly on the other shaft journal of the associated one Have gear shaft arranged control cam 34.
  • a sensor 35 such as an inductive sensor, so that by setting a variable Signal value, the adjusting means 30 are then stopped, when the associated position of the guide body 17 is reached.
  • the respective Position indicated by an optical display 36 analog On the outside of the other bearing 29, the respective Position indicated by an optical display 36 analog.
  • the constant external cross-sections over its length having flat or rod body 18 is in an Cross section larger rod or support body 37 interchangeable attached, which is flat rectangular in cross section Is tubular body and the straightening body 18 on one its two broader outer surfaces.
  • the edge surfaces of the straightening body adjoining the edges 16 18 are thus in the levels of the two narrower or outer surfaces of the body 37 lying at right angles thereto.
  • the ends of the unit 18, 37, in particular only the ends of the Body 37 are rigid with circular flanges 38 ' connected, which on plate-shaped support flanges 38 of the Frame 2 interchangeable with screwed in outwards Axial screws are attached. After loosening the axial screws can the unit 18, 37 radially from the support flanges 38 ' removed or vice versa.
  • the straightening surface 16 is opposite with adjusting means 39 or 40 the unit 17, 26, 27 and the frame 2 by two at right angles mutually positioning axes 45, 46 separately and manually adjustable, namely with the adjusting means 40 during of the operation and with the adjusting means 39 during the Standstill of the device 1.
  • the leveling surface 16 and axis 46 parallel to axes 22, 25 lies on that of Gap 20, 10 facing away from the straightening surface 16 approximately in the Center axis of the support body 37 or the associated flanges 38.
  • These flanges 38 point for the passage of the above Axial screws around the axis 46 elongated holes, see above that the inclination of the straightening surface and gap flank 21st continuously changed and then by clamping with the axial screws can be secured.
  • the edge 21 lies in one Position of the unit 15, 26, 27 perpendicular to the common Axial plane 47 of the axes 22, 25, this axial plane being the Flank 21 intersects immediately adjacent to the straightening surface 16. From this position, the levels 10, 47 after both opposite directions are continuously adjustable, namely also so that the axial plane 47 of the straightening surface 16 with Distance opposite and therefore at an angle to level 10.
  • In the middle position is the width of the gap 20 at smallest and it takes on adjustment in both directions continuously as shown by the three-dot chain line in FIG. 3 indicated positions can be seen.
  • the smallest gap width is expediently more than one Millimeters and less than three or five millimeters. Positioning movements both adjusting means 30, 39 lead to such Changes, but only the adjusting means 39 die Specify the smallest possible gap width.
  • the adjusting means 40 allow a mutual inclined position the straightening surface 16 and the axes 24, 46 on the one hand and the guide surface 15 and the axes 22, 25 on the other hand, the said means over the travel of the actuating means 40 Gap widths remain constant. Adjust the adjusting means 40 the one end of the unit remote from the actuating means 30 18, 37 about the actuating axis 25, while the other end of this Unit only pivots around the frame-fixed axis 45 and each including the associated support flange 38 '.
  • the axis 45 is always in the same axial plane Axis 25 and laterally adjacent to those parallel to it Axial planes of the axes 22, 24, 46, the axis 22 with the Adjustment means 30 also transferred into this common axial plane can be.
  • the support flange 38 'for one flange 38 adjustable with a guide 41 curved around the axis 25, which a radial clearance free in a curved slot engaging, rigidly connected to this support flange 38 ' Guide pin includes.
  • the storage around the flank 21 or to plane 10 transverse or inclined axis 45 is through a hinge 42 or a bearing formed, which one frame-fixed, located in the axis 45 hinge pin.
  • Each of the bearings 41, 42 has a frame-fixed, laterally on the inside of the associated side member 14 attached bearing body 48, one of which is the Guide 41 and the other, fork-shaped, the hinge pin carries, which the associated support flange 38 'between the Fork arms of the associated bearing body 48 passes through.
  • suitable means 43 for example Clamp to be locked.
  • the guide 41 relative to the associated bearing body 48 can be clamped axially.
  • the Finding 43 is immediately at the bottom of the associated Side member 14 accessible.
  • the straightening body 18 consists of a one-piece metal body, the whole or at least surface-treated in the area of the four longitudinal edges 16, e.g. with a vapor-deposited hard, like ceramic oxide layer or the like of, for example, at most one or half Tenths of a millimeter.
  • the body 18 is optional about its longitudinal central axis and at right angles to it horizontal axis reversible so that each of its four edges 16 optionally in the same working position for engaging in the material 3 and brought against the carrier 37 can.
  • the attachment 49 for the turning tool 18 includes 18 countersunk holes on both flat sides of the turning insert for fastening screws with which the tool 18 optionally with both flat sides against the associated flat side of the carrier 37 can be tensioned.
  • the edges 16 can have different radii of curvature, so that the same tool 18 to adapt to different Processing requirements different working edges 16 having.
  • the stationary and no changes in location during work exposed suction 19 includes a tool 18 in the Center between the edges 16 transversely penetrating, slit-shaped Fluid or suction opening 50, which is parallel to the Edges 16 and aligned between the counterbores 49.
  • the associated wall of the carrier 37 is congruent Provide fluid opening which the in the flank 21st lying mouth of the opening 50 with a flow channel 51 connects.
  • the only from the inside of the profile 37 limited and through its length channel 51 is on one or both ends with narrowed connections 52, which for two columns 20 on the opposite Outside of the support flanges 38 'laterally adjacent to Guide 41 or axis 45 are provided.
  • At the connecting piece 52 is an associated carrier 14 on the Flexibly flexible line 53 crossing the underside, e.g.
  • a Hose connected, the other end over one oblique connector 55 is connected to a longitudinal channel 54.
  • a longitudinal channel 54 On the outer longitudinal side of each carrier 14 there is one such Longitudinal channel 54 which is rectangular or square in cross section attached, in the side wall of the nozzle 55 under a acute angle obliquely to the flow direction in channel 54 flows to avoid flow losses.
  • the Cheeks 26, 27 also have two separate deflecting surfaces 15, 15 'or the same deflection body 17 with separate deflection axes 22, 23, which are symmetrical on both sides of an axial plane the actuating axis 25 are arranged. In one position this axial plane coincides with the plane 45, so that the Material 3 from the deflection 8 to the deflection 11 without contact pass between the rollers 17 and the tools 18 can, so it is not distracted in the work area.
  • Swiveling of the unit 17, 26, 27 in one direction in 3 is the material 3 of one Guide surface 15 by deflection on one material side with the opposite material side in directing engagement with one straightening surface, namely the right straightening surface 16 brought.
  • By swiveling in the opposite direction is the material 3 in a corresponding manner by the other Deflection surface 15 ′ engages with the other straightening edge 16 brought.
  • the wrap angle on the respective straightening edge 16 during operation can be changed dynamically and continuously, whereby also the wrap angle on the associated deflection surface 15, 15 'and the gap width of the gap 20 changes.
  • the gear 32 locks through each setting by itself internal inhibition of its transmission links. Regardless, can this wrap angle and the gap width with the Adjustment means 39 can be changed, it is also conceivable the two flanges 38 with torsional deformation of the unit 18, 37 against each other to adjust the length of the Edge to achieve 16 different wrap angles, as is possible with the adjusting means 40.
  • the dynamic adjustment here not with tools 18, but is made with the deflections 17 results a very simple design of the suction 19.
  • Each channel 51 is connected to one of the connections 52.
  • All individual devices 1 are connected to the same longitudinal collecting duct 54.
  • the named ends of the two channels 54 are over the aforementioned manifold, designed as a piece of pants, to the common riser 56 connected. Because the redirections 17 even in the case of a full rotation about the axis 25 Contact with the tools 18 or other components of the Device 1 can come, are also no means for Limitation of travel, such as limit switches, required. Any tool 18 or its tool edge 16 can also by a rotating Rod to be replaced, its bearing on the support flanges 38 'are flanged or provided on the flanges 38. All components are exposed and are for maintenance or Introduce the material 3 very easily accessible.
  • the material guide 57 points for each deflection surface 15, 15 'has an associated fixed frame Deflection 58, 58 'in the form of a cylinder rod or the like.
  • the deflection surface 15 forms with the deflection 58 a narrow passage gap to the S-shaped changing Deflection of the material 3 and in the other position this deflection takes place in the region with an opposite curvature an identical deflection gap between the deflection surface 15 ' and the deflection 58 '.
  • the material passes through the deflection gap each without clamping pressure, so that it is simultaneously is in contact with the deflector only on one side of the surface.
  • the Deflections 58, 58 ' are fastened with flanges 59 and therefore adjustable as described using the flanges 38 as well removably attached to a support flange 59 '. So you can here also adjusting means according to means 39, 40 are provided be, the deflections 58, 58 'as the deflections 16 are each eccentric to the associated actuating axis.
  • the deflections are 17th provided downstream of the straightening surfaces 16 and the Deflection 8 lies in a deflection corresponding to FIG. 1 Distance upstream from the straightening surface 16.
  • a drive cylinder is provided as drive 31, which two separately controllable and in series rigid with each other connected single cylinder, the piston rods are directed away from each other. This allows any cylinder for themselves in both end positions, so that four stroke-limited working strokes, namely each one Cylinder and the two working cylinders result.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Wire Processing (AREA)
  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP98105172A 1997-03-28 1998-03-21 Dispositif pour gondoler du matériau en couche, spécialment du papier Revoked EP0876978B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19713207A DE19713207A1 (de) 1997-03-28 1997-03-28 Richtvorrichtung für Lagenmaterial, insbesondere Papier
DE19713207 1997-03-28

Publications (3)

Publication Number Publication Date
EP0876978A2 true EP0876978A2 (fr) 1998-11-11
EP0876978A3 EP0876978A3 (fr) 1999-08-18
EP0876978B1 EP0876978B1 (fr) 2003-11-12

Family

ID=7824991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98105172A Revoked EP0876978B1 (fr) 1997-03-28 1998-03-21 Dispositif pour gondoler du matériau en couche, spécialment du papier

Country Status (6)

Country Link
US (1) US6302678B1 (fr)
EP (1) EP0876978B1 (fr)
JP (1) JPH10273258A (fr)
KR (1) KR19980080811A (fr)
DE (2) DE19713207A1 (fr)
ES (1) ES2210609T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040152033A1 (en) * 2003-02-03 2004-08-05 Collins John A. Orthodontic appliance
KR101023231B1 (ko) * 2008-11-25 2011-03-21 한국전기연구원 틸트형 멀티 턴 릴투릴 이송장치
US9290283B2 (en) 2012-03-16 2016-03-22 Pemco Inc. Method and apparatus for wrapping a folio ream of paper

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013284A (en) * 1975-10-14 1977-03-22 Eastern Graphic Products, Inc. Decurler device
CH623285A5 (en) * 1978-06-21 1981-05-29 Bobst Fils Sa J Method for acting on the fibres of a material in the form of a moving web and device for implementing the method
DE3833804A1 (de) * 1987-10-07 1989-06-08 Steffen & Bergmann Konstruktio Brecherleiste fuer papierverarbeitungsmaschinen
EP0374827A1 (fr) * 1988-12-23 1990-06-27 Alcatel Business Systems Ensemble de planage de documents
US5154688A (en) * 1991-09-06 1992-10-13 Boyd Brent A Decurling bar cover
WO1994021546A1 (fr) * 1993-03-24 1994-09-29 Komori-Chambon S.A. Dispositif de redressement d'une nappe de matiere, par exemple de carton, defilant en continu
DE29600403U1 (de) * 1996-01-11 1996-03-07 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Vorrichtung zum Glätten von Bögen in Druckmaschinen
DE19506465A1 (de) * 1995-02-24 1996-08-29 Boewe Systec Ag Glättvorrichtung für eine Papierbahn in einer papierverarbeitenden Maschine

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Publication number Priority date Publication date Assignee Title
DE483673C (de) * 1929-10-03 Otto Philipp Fa Vorrichtung zum Geraderichten von gerollten Papierbahnen oder -boegen
US2070505A (en) * 1929-10-24 1937-02-09 Charles J Beck Decurling device
US3649447A (en) * 1969-09-09 1972-03-14 Xerox Corp Apparatus for decurling a paper web
US3661703A (en) * 1970-03-30 1972-05-09 Westvaco Corp Decurling apparatus
US3772145A (en) * 1971-03-31 1973-11-13 Black Clawson Co Pivotal mounting structures for vertical twin-wire papermaking machine
US4111745A (en) * 1977-08-08 1978-09-05 The Moore & White Company Adjustable bearing assembly for web decurling apparatus
US4539072A (en) * 1984-01-31 1985-09-03 Beloit Corporation Curl neutralizer
DE69030965T2 (de) * 1989-07-27 1998-01-29 Canon Kk Vorrichtung zum Ausgleichen der Wellungen
US5269743A (en) * 1990-06-12 1993-12-14 Jujo Paper Co., Ltd. Method of imparting increased foldability to fold lines in paperboard material for paper containers
US5009749A (en) * 1990-08-09 1991-04-23 Martin Automatic, Inc. Web decurler
US5539511A (en) * 1994-12-16 1996-07-23 Xerox Corporation Multilevel/duplex image sheet decurling apparatus

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013284A (en) * 1975-10-14 1977-03-22 Eastern Graphic Products, Inc. Decurler device
DE2646281A1 (de) * 1975-10-14 1977-04-28 Oxy Dry Corp Glaettelement zum glaetten gewoelbter blaetter
CH623285A5 (en) * 1978-06-21 1981-05-29 Bobst Fils Sa J Method for acting on the fibres of a material in the form of a moving web and device for implementing the method
DE3833804A1 (de) * 1987-10-07 1989-06-08 Steffen & Bergmann Konstruktio Brecherleiste fuer papierverarbeitungsmaschinen
EP0374827A1 (fr) * 1988-12-23 1990-06-27 Alcatel Business Systems Ensemble de planage de documents
US5154688A (en) * 1991-09-06 1992-10-13 Boyd Brent A Decurling bar cover
WO1994021546A1 (fr) * 1993-03-24 1994-09-29 Komori-Chambon S.A. Dispositif de redressement d'une nappe de matiere, par exemple de carton, defilant en continu
DE19506465A1 (de) * 1995-02-24 1996-08-29 Boewe Systec Ag Glättvorrichtung für eine Papierbahn in einer papierverarbeitenden Maschine
DE29600403U1 (de) * 1996-01-11 1996-03-07 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Vorrichtung zum Glätten von Bögen in Druckmaschinen

Also Published As

Publication number Publication date
JPH10273258A (ja) 1998-10-13
EP0876978B1 (fr) 2003-11-12
EP0876978A3 (fr) 1999-08-18
KR19980080811A (ko) 1998-11-25
DE59810124D1 (de) 2003-12-18
ES2210609T3 (es) 2004-07-01
US6302678B1 (en) 2001-10-16
DE19713207A1 (de) 1998-10-01

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