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EP3199369B1 - Procédé destiné à préformer et à arrondir une tranche de livre - Google Patents

Procédé destiné à préformer et à arrondir une tranche de livre Download PDF

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Publication number
EP3199369B1
EP3199369B1 EP17153452.2A EP17153452A EP3199369B1 EP 3199369 B1 EP3199369 B1 EP 3199369B1 EP 17153452 A EP17153452 A EP 17153452A EP 3199369 B1 EP3199369 B1 EP 3199369B1
Authority
EP
European Patent Office
Prior art keywords
preforming
book block
block
prism
tools
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.)
Active
Application number
EP17153452.2A
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German (de)
English (en)
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EP3199369A1 (fr
Inventor
Hans Müller
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.)
Mueller Martini Holding AG
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Mueller Martini Holding AG
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Filing date
Publication date
Application filed by Mueller Martini Holding AG filed Critical Mueller Martini Holding AG
Publication of EP3199369A1 publication Critical patent/EP3199369A1/fr
Application granted granted Critical
Publication of EP3199369B1 publication Critical patent/EP3199369B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C5/00—Preparing the edges or backs of leaves or signatures for binding
    • B42C5/02—Preparing the edges or backs of leaves or signatures for binding by rounding or backing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C19/00—Multi-step processes for making books

Definitions

  • the invention relates to a method for preforming and rounding book blocks for industrial hardbound books.
  • the DE102004026627 A1 proposes a device for preforming, rounding and squeezing the backs of book blocks in a single processing station. This development seeks to reduce the number of parts that have been replaced so far, by assigning functions previously assigned to different parts to a single fitting. This fitting also serves as an anvil during preforming, as a template when rounding and as a pressing tool.
  • the EP1350634 A2 deals with the design of a fitting. The replacement of such fittings should be avoided by using a shape-changing fitting.
  • the preforming tools each consist of two cooperating pressure bodies, which can be moved to adapt to the different thickness of the book block by means of a drive transversely to the longitudinal direction toward or away from each other.
  • Such a book preforming and rounding apparatus in a book making machine has a transport means and a support ledge which positions the book block on an adjustable bed Loading height can be loaded into the device so that the front section of the book block comes to rest on the support bar.
  • the device has a lifting device with a preforming die that is adjustably arranged in the vertical direction above the back of the book block to be rounded and with at least two prism strips for rolling around.
  • the prism bars are above the back of the Book blocks in the longitudinal direction spaced from each other arranged preforming tools for direct contact with the back of the book block.
  • the device has a round device with two counter-rotating driven in such a way round rollers that they are rotatable about parallel axes of rotation.
  • the invention provides that, depending on parameters of the book block actuators of the processing station change at least one adjustment of the fewest possible with the back of the book block in contact parts in their position and / or position.
  • the device according to the invention has at least one first drive which is connected to at least one of the preforming tools in order to displace the at least one preforming tool following the longitudinal direction parallel to the axes of rotation so that the distance of the preforming tools in the longitudinal direction can be changed by means of the at least one drive.
  • the inventive method for preforming and rolling the book block in which first a transport device transports the book block with its front section in a loading height on a support bar, in which continue to be placed by means of a lifting device for preforming the book block preforming tools at least on a spine of the book block and in the
  • a round device for rolling around rolling on the sides of the bookbucket provides that in preparation for preforming the above the back of the book block in the longitudinal direction spaced from each other arranged preforming tools by means of a first drive the longitudinal direction following to each other or moved away from each other.
  • the device can be adapted to the production process more flexible, which at least favors automation.
  • the number of effective parts can be reduced.
  • At least one second drive is connected at least indirectly to the support strip and / or the preforming punch and operated from a machine control with adjustment of the block thickness to adjust the loading height and / or the height position of the preforming tools in dependence of the block thickness of the book block ,
  • the loading height was in known devices according to the Rundeweg because the folded edge after loading and rounds must always be at a certain height.
  • the device is at format change according to the advantageous embodiment, at least additionally adjusted depending on the block thickness. This effort is economical because fewer replacement parts held and these must be replaced less frequently.
  • the preforming tools are designed as prismatic strips with prism edges running in a V-shaped manner in cross-section.
  • the prism bars have oblique prism edges that work equally well over a wide range for different thicknesses of the book block, but would normally allow only certain widths of the book.
  • the device according to the invention can now react with an altered height of the preform device.
  • the loading height is calculated and adjusted in advantageous controls or arrangements according to the invention so that in a fixed round path the spines of different thick book block lie on a horizontal.
  • the support ledge is adjusted with the same control or regulation until the front cut lies against its circular surface, and the preshaping device with the prism bar moves according to the book thickness until the prism edges rest against the spine of the book.
  • the preforming die has at least one carriage and at least one prism bar, preferably exactly two prism bars, is / are arranged on a respective carriage.
  • the preforming die has at least one slide and as the only preforming tools with contact with the back of the book block exactly two prismatic strips are arranged on a respective slide.
  • the prism strips are replaceable depending on the block thickness, wherein they each cover a thickness range of about 30 mm to 40 mm.
  • two sets of two prism bars are interchangeably used, of which a small pair of prism bars cover the thickness range of 5 mm to 40 mm and a large pair of prism strips the thickness range of 40 mm to 80 mm.
  • the preforming tools are driven coupled to each other in such a way that they are exclusively adjustable symmetrically to a vertical center axis of the book block.
  • the preforming tools are adjustable by means of a single adjusting spindle, preferably with right-hand / left-hand thread symmetrically toward or away from one another.
  • the loading height and / or the stroke of the preforming punch is / are set as a function of at least the block thickness, in particular by about 0.2 mm per 1 mm block thickness, particularly preferably additionally as a function of selectable round radii.
  • an adaptation of the device additionally takes place as a function of the geometric shape of the inserted and / or usable prism edges.
  • the loading height is adjusted exclusively by an adjustment of the support strip depending on Rundeweg, block thickness of the book block, distance of the folded edge of the back of the book block and a travel of outer prism edges of prism molds formed as preforming.
  • the preforming tools are adjusted in dependence on at least one parameter of the book block by a predetermined amount X in the vertical direction Y.
  • the preforming tools are dependent on at least one parameter of the book block adjusted by a predetermined distance in the horizontal direction to each other, namely symmetrically with respect to a central axis of the book block.
  • FIG. 1 shows an inventive device 10 for preforming and rounding of a book block 1,1 'with two different thicknesses, shown on the one hand with a solid line and the other with dotted line.
  • Preforming tools 27 are available for preforming, which are designed as prism strips 27 ' and above a back 3 of the book block 1,1 'are arranged and at a later time (see. FIG. 2 ) will act on the back 3.
  • the prism strips 27 'of embodiments according to the invention are able, with their prism edges 30 and because of their particular width, to cover a rather large thickness range of book block 1, 1'.
  • the device 10 consists above the book block 1,1 'of two carriages 13, 14 with exchangeable prism strips 27'. At a distance from the book block 1, 1 ', a round device 50 with round rollers 57, 58 is shown, between which the book block 1, 1' can be clamped.
  • the prism bar 27 ' is in FIG. 1 represented simultaneously in an upper and a lower position. In the lower position, the prism edges 30 touch the back 3 of the thicker book block 1. Dash-dotted is shown as the prism bar 27 'with their prism edges 30 touch the back 3 of the less thick book block 1'.
  • the difference between these two representations shows the format-dependent adjustment path of the device 10 taken into account according to an advantageous method according to the invention, ie a predetermined amount X by which the respective preforming tools 27 are adjusted in a vertical direction Y as a function of at least one parameter of the book block 1, 1 ' ,
  • the prism edges 30 press during preforming with a defined force on the back 3 of the book block 1,1 'and thus press a slidably on a support bar 63 front section 2 of the book block 1 and 1' with a defined force against a circular surface 64 of the support bar 63rd
  • preforming serves only for aligning the book blocks 1, 1'.
  • support strips 63 are then used, in which instead of the circular surface 64, a flat surface is provided and in which the prism bar 27 'has only a straight prism edge 30.
  • Guide rake 59, 60, the round rollers 57, 58 and side plates 53, 54 are in this case set so tight that the book block 1,1 'by the pressure of the prism bars 27' does not break out but still in the vertical direction Y is displaced.
  • An adjustment to a new format of the book block 1,1 ' is done according to a preferred method according to the invention with regard to a planned height adjustment of a preforming punch 11 by prior adjustment of a loading height of the device 10, namely the prism bar 27' in the direction of the back 3 of the respective book block 1 , 1 'and / or by a specific adjustment of a support bar 63 in the vertical direction Y.
  • FIG. 2 shows the prism strips 27 'in the end position of the stroke of the preforming punch 11 of the device 10 on the back 3 fitting.
  • the two round rollers 57, 58 are shown in a closed, the book block 1 fixing state. Across from FIG. 1 are the round rollers 57, 58 overlapping roundabout 51, 52 with guide rake 59, 60 and the round rollers 57, 58 driven by a defined amount in the horizontal direction W across the book block 1 together.
  • the two guide rakes 59, 60 are spring-mounted and rest with slight pressure on the attachment 4 of the book block 1.
  • the book block 1 and the prism strips 27 ' move upwards.
  • the two round rollers 57, 58 rotate in opposite directions about their parallel axes of rotation 57 ', 58' in the direction of rotation Z to the outside.
  • the book block 1 is clamped by transport devices 55, 56 and the round trolleys 51, 52 with the guide rakes 59, 60 and the round rollers 57, 58 travel outward by a defined amount in the horizontal direction W and deliver the book block 1 free.
  • the transport devices 55, 56 drive the clamped book block 1 in the horizontal longitudinal direction V (FIG. Fig. 4 ) out of the round device 50 out.
  • the round rollers 57, 58 turn back so far that recesses 61 of the Round rollers 57, 58 come to lie horizontally.
  • the motion profile of the components of the device 10 in the Y-direction and the motion profile of the rotational movement Z of the circular rollers 57, 58 are redefined depending on the block thickness and the rounding to be achieved for each format.
  • FIG. 3 shows the device 10 with parts of the lap device 50 and a book block 1 with a small, here in a to the rotation axes 57 ', 58' of the circular rollers 57, 58 parallel horizontal longitudinal direction V (FIG. Fig. 4 ) running block height.
  • the book block 1 is clamped between the round rollers 57, 58 and the guide rakes 59, 60, wherein the guide rake 60 is hidden to better detect the other components described.
  • the position of the carriages 13, 14 is adjusted so that they with their built-in prism bar 27 'both in the next spaced apart, symmetrical to the center, recesses 62 of the guide rakes 59, 60 and in the next to each other spaced, symmetrical to the center , Recesses 61 of the round rollers 57, 58 can dive.
  • Shown is also a guide rod 12, along which the preforming punch 11 is adjusted in the vertical direction Y by means of a drive 31 or by means of a cam mechanism.
  • a controller 32 which drives the drive 31.
  • the drive 31 can at least indirectly with in Fig. 1 shown support bar 63 and / or the preforming die 11 and be operated from a machine control, not shown, with adjustment of the block thickness to adjust the loading height and / or the height position of the preforming tools 27 in dependence of the block thickness.
  • FIG. 4 equals to FIG. 3 with the difference that a book block 1 is shown with a larger block height, here also stretched in the longitudinal direction.
  • the two carriages 13,14 are in a now compared to FIG. 3 greater distance from each other shown, corresponding to the larger block height.
  • the carriages 13, 14 can now move in the outward order in the next recesses 62 of the guide rakes 59, 60 and in the outward order next recesses 61 of the round rollers 57, 58 immerse.
  • the recesses 62 of the guide rakes 59, 60 and the recesses 61 of the round rollers 57, 58 are distributed symmetrically in the illustrated preferred embodiment to the center of the lap device 50.
  • FIG. 5 shows the device 10 partially, namely only with regard to their adjustment scheme completely, with the two carriages 13, 14 and with the exchangeable prism strips 27 ', which along a guide rail 15 (FIG. Fig. 1 ) can be adjusted.
  • the carriages 13, 14 are provided with adjusting nuts 18, 19, which can be adjusted via an adjusting spindle 20.
  • the adjusting spindle 20 is provided with a left- and a right-hand thread, so that the carriages 13, 14 can be adjusted symmetrically to the center of the device 10 and thus also to the center of the book block 1.
  • the adjusting spindle 20 is mounted in a bearing block 21 and is driven by means of a fixed to a motor plate 25 and designed as an adjustment motor first drive 26, which also with the controller 32 (FIG.
  • this drive 26 is shown here in such a way that on the adjusting spindle 20, a sprocket 22 is seated and that a sprocket 23 is seated on the adjusting motor, which sprockets 22, 23 are interconnected by means of a chain 24.
  • the prism strips 27 ' can be displaced in a longitudinal direction parallel to the axes of rotation 57', 58 'of the round rollers 57, 58, so that the spacing of the prism strips 27' in the longitudinal direction is variable.
  • the slides 13, 14 are secured during production by clamping mechanisms against slipping. Before the adjustment, the clamping mechanisms are released and then closed again.
  • the clamps are made pneumatically. Shown here is a clamping mechanism in which a clamping cylinder 29 ( Fig. 1 ) moves a clamping anchor 28, which then via terminal strips 16, 17, the carriage 13, 14 on the guide rail 15 (FIG. Fig. 1 ).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Press Drives And Press Lines (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Claims (14)

  1. Dispositif pour préformer et pour arrondir un corps d'ouvrage (1, 1') dans une machine de production de livres, comprenant un appareil de transport (55, 56) ; un listel d'appui (63) à une hauteur de chargement réglable, en vue de recevoir une tranche de gouttière (2) du corps d'ouvrage (1, 1') ; un appareil de levage comportant un poinçon de préformage (11) agencé avec mobilité dans le sens vertical au-dessus d'un dos (3) dudit corps d'ouvrage (1, 1'), devant être arrondi, et au moins deux outils de préformage (27) dévolus au façonnage du dos (3) dudit corps d'ouvrage (1, 1'); et un appareil d'arrondissure (50) doté de deux cylindres arrondisseurs (57, 58) entraînés dans des sens opposés, de manière à pouvoir tourner autour d'axes de rotation (57', 58') parallèles, caractérisé par le fait qu'au moins un premier entraînement (26) est relié à au moins l'un des outils de préformage (27) en vue de déplacer ledit outil de préformage (27), à présence minimale, suivant une direction longitudinale parallèle aux axes de rotation (57', 58'), de telle sorte que l'espacement mutuel desdits outils de préformage (27) puisse être modifié, dans ladite direction longitudinale, au moyen dudit entraînement à présence minimale.
  2. Dispositif selon la revendication 1, caractérisé par le fait qu'au moins un second entraînement (31) est au moins indirectement relié au listel d'appui (63) et/ou au poinçon de préformage (11), et est actionné à partir d'une commande de la machine avec ajustement de l'épaisseur du corps d'ouvrage en vue de régler, en fonction de ladite épaisseur du corps d'ouvrage, la hauteur de chargement et/ou l'emplacement en hauteur des outils de préformage (27).
  3. Dispositif selon la revendication 1 ou 2, caractérisé par le fait que les outils de préformage (27) sont réalisés en tant que barrettes prismatiques (27') munies d'arêtes prismatiques (30) qui convergent en forme de V en observant en coupe transversale.
  4. Dispositif selon la revendication 3, caractérisé par le fait que le poinçon de préformage (11) est muni d'au moins un chariot (13, 14), et au moins une barrette prismatique (27'), de préférence exactement deux barrettes prismatiques (27'), est/sont placée(s) sur un chariot (13, 14) respectif.
  5. Dispositif selon la revendication 3, caractérisé par le fait que le poinçon de préformage (11) est muni d'au moins un chariot (13, 14), et exactement deux barrettes prismatiques (27') sont placées sur un chariot (13, 14) respectif, en tant qu'uniques outils de préformage (27) en contact avec le dos (3) du corps d'ouvrage (1, 1').
  6. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que les barrettes prismatiques (27') peuvent être remplacées en fonction de l'épaisseur du bloc d'ouvrage et couvrent, à chaque fois, une gamme d'épaisseurs d'environ 30 mm à 40 mm ; et par le fait qu'il est notamment possible d'utiliser, avec faculté de remplacement, deux ensembles jumelés de barrettes prismatiques (27') au sein desquels une petite paire de barrettes prismatiques (27') et une grande paire de barrettes prismatiques (27') couvrent, respectivement, la gamme d'épaisseurs de 5 mm à 40 mm et la gamme d'épaisseurs de 40 mm à 80 mm.
  7. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que les outils de préformage (27) sont entraînés avec couplage mutuel, de façon telle qu'ils soient réglables exclusivement de manière symétrique par rapport à un axe médian vertical du corps d'ouvrage (1, 1').
  8. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que les outils de préformage (27) peuvent être réglés ou déplacés au moyen d'une unique broche de réglage (20), de préférence rapprochés ou éloignés réciproquement de manière symétrique, avec filetage à droite/à gauche.
  9. Procédé dévolu au préformage et au cintrage d'un corps d'ouvrage (1, 1'), dans lequel un appareil de transport (55, 56) achemine tout d'abord le corps d'ouvrage (1, 1') vers un listel d'appui (63) par sa tranche de gouttière (2), à une hauteur de chargement, après quoi, en vue de préformer ledit corps d'ouvrage (1, 1'), des outils de préformage (27) sont mis en applique sur au moins un dos (3) dudit corps d'ouvrage (1, 1') au moyen d'un appareil de levage, puis des cylindres arrondisseurs (57, 58) agissent sur les côtés dudit corps d'ouvrage (1, 1') au moyen d'un appareil d'arrondissure (50), en vue du cintrage, caractérisé par le fait que, pour préparer le préformage, les outils de préformage (27), situés au-dessus du dos (3) du corps d'ouvrage (1, 1') et agencés avec espacement mutuel dans la direction longitudinale dudit dos (3), sont rapprochés ou éloignés réciproquement suivant ladite direction longitudinale, au moyen d'un premier entraînement (26).
  10. Procédé selon la revendication 9, caractérisé par le fait qu'un dispositif conforme à l'une des revendications 1 à 8 est utilisé pour la mise en oeuvre.
  11. Procédé selon l'une des revendications 9 ou 10, caractérisé par le fait que la hauteur de chargement et/ou la course du poinçon de préformage (11) est/sont réglée(s) au moins en fonction de l'épaisseur du corps d'ouvrage, notamment à raison d'environ 0,2 mm pour 1 mm d'épaisseur du corps d'ouvrage et additionnellement, avec préférence particulière, en fonction de rayons d'arrondi sélectionnables et/ou en fonction de la forme d'arêtes prismatiques (30) d'au moins deux, parmi les outils de préformage (27).
  12. Procédé selon l'une des revendications 9 à 11, caractérisé par le fait que la hauteur de chargement est réglée exclusivement par un réglage du listel d'appui (63) en fonction de la course d'arrondissure, de l'épaisseur du corps d'ouvrage, de la distance comprise entre le bord de pliage et le dos (3) dudit corps d'ouvrage (1, 1'), et d'une course de déplacement d'arêtes prismatiques extérieures de barrettes prismatiques (27') réalisées en tant qu'outils de préformage (27).
  13. Procédé selon l'une des revendications 9 à 12, caractérisé par le fait que les outils de préformage (27) sont réglés suivant une cote X préétablie, dans une direction verticale Y, en fonction d'au moins un paramètre du corps d'ouvrage (1, 1').
  14. Procédé selon l'une des revendications 9 à 13, caractérisé par le fait que les outils de préformage (27) sont déplacés mutuellement en fonction d'au moins un paramètre du corps d'ouvrage (1, 1'), d'une distance préétablie dans une direction horizontale V, plus précisément de manière symétrique par rapport à un axe médian dudit corps d'ouvrage (1, 1').
EP17153452.2A 2016-02-01 2017-01-27 Procédé destiné à préformer et à arrondir une tranche de livre Active EP3199369B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1332016 2016-02-01

Publications (2)

Publication Number Publication Date
EP3199369A1 EP3199369A1 (fr) 2017-08-02
EP3199369B1 true EP3199369B1 (fr) 2018-09-12

Family

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Family Applications (1)

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EP17153452.2A Active EP3199369B1 (fr) 2016-02-01 2017-01-27 Procédé destiné à préformer et à arrondir une tranche de livre

Country Status (4)

Country Link
US (1) US10099501B2 (fr)
EP (1) EP3199369B1 (fr)
JP (1) JP2017136831A (fr)
CN (1) CN107020858A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114851738B (zh) * 2022-05-06 2023-01-06 东莞市浩信精密机械有限公司 用于书芯加工的预整圆、扒圆、输送一体式设备

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US2098060A (en) * 1936-06-01 1937-11-02 Interstate Bindery Company Mechanism for shaping the backs of book covers
US3413669A (en) * 1967-02-01 1968-12-03 Smyth Mfg Co Mechanism for conveying unbound books intermittently through a rounding and backing machine
DE2850740C2 (de) * 1978-11-23 1987-01-29 Kolbus GmbH & Co KG, 4993 Rahden Vorrichtung zum Einschlagen von Überzugsmaterial um Pappen o.ä. flächenförmige Werkstücke, insbesondere zur Herstellung von Bucheinbanddecken
DE4005949A1 (de) * 1990-02-26 1991-08-29 Kolbus Gmbh & Co Kg Verfahren zum maschinellen abpressen von buchblocks und vorrichtung zur durchfuehrung des verfahrens
DE4330719A1 (de) * 1993-03-18 1994-09-22 Kolbus Gmbh & Co Kg Vorrichtung zum Rückenrunden von Buchblocks
DE19859330A1 (de) * 1998-12-22 2000-07-06 Kolbus Gmbh & Co Kg Vorrichtung zum Rückenrunden von Buchblocks
DE19859331A1 (de) * 1998-12-22 2000-07-06 Kolbus Gmbh & Co Kg Vorrichtung zum Abpressen von Buchblocks
DE10215110B4 (de) 2002-04-05 2010-05-20 Rathert, Horst, Dipl.-Ing. Stufenlos im Profil veränderbares Formstück für die Herstellung von Büchern mit gerundetem Rücken
DE10260476A1 (de) * 2002-12-21 2004-07-01 Kolbus Gmbh & Co. Kg Vorrichtung zum Abpressen von Buchblocks
DE102004026627A1 (de) 2004-06-01 2005-12-29 Rathert, Horst, Dipl.-Ing. Vorrichtung zum Runden und Abpressen von Buchblockrücken
DE102004061996A1 (de) * 2004-12-23 2006-07-06 Kolbus Gmbh & Co. Kg Buchform- und -pressmaschine
DE102006058091A1 (de) * 2006-12-09 2008-06-12 Kolbus Gmbh & Co. Kg Buchform- und -pressmachine
EP2277710B1 (fr) * 2009-07-20 2014-01-15 Müller Martini Holding AG Dispositif de déformation d'un dos de couverture de livre aligné sur un dos de bloc de livre d'une couverture de livre
EP2325020B1 (fr) * 2009-11-23 2013-06-19 Müller Martini Holding AG Dispositif de déformation d'un dos de couverture de livre aligné sur un dos de bloc de livre d'une couverture de livre
EP2465695B1 (fr) * 2010-12-15 2015-09-23 Müller Martini Holding AG Procédé et dispositif destinés à comprimer un bloc de livre
EP2660069B1 (fr) * 2012-04-30 2015-07-22 Müller Martini Holding AG Procédé de fonctionnement d'une machine pour former et presser des livres
JP2014184618A (ja) 2013-03-22 2014-10-02 Dainippon Printing Co Ltd 丸み出し装置、及びその方法

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Publication number Publication date
EP3199369A1 (fr) 2017-08-02
US10099501B2 (en) 2018-10-16
US20170217240A1 (en) 2017-08-03
JP2017136831A (ja) 2017-08-10
CN107020858A (zh) 2017-08-08

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