EP0444410A1 - Procédé d'endossage mécanique de blocs de livres et dispositif de mise en oeuvre du procédé - Google Patents

Procédé d'endossage mécanique de blocs de livres et dispositif de mise en oeuvre du procédé Download PDF

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Publication number
EP0444410A1
EP0444410A1 EP91100558A EP91100558A EP0444410A1 EP 0444410 A1 EP0444410 A1 EP 0444410A1 EP 91100558 A EP91100558 A EP 91100558A EP 91100558 A EP91100558 A EP 91100558A EP 0444410 A1 EP0444410 A1 EP 0444410A1
Authority
EP
European Patent Office
Prior art keywords
pressing
book block
movement
spine
book
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
EP91100558A
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German (de)
English (en)
Other versions
EP0444410B1 (fr
Inventor
Horst Rathert
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.)
Kolbus GmbH and Co KG
Original Assignee
Kolbus 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
Application filed by Kolbus GmbH and Co KG filed Critical Kolbus GmbH and Co KG
Publication of EP0444410A1 publication Critical patent/EP0444410A1/fr
Application granted granted Critical
Publication of EP0444410B1 publication Critical patent/EP0444410B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to a method for the mechanical pressing of clamped, rounded book blocks by means of a pressing element acting on the book block spine under a defined pressing force, and it also relates to a device for carrying out the method.
  • the rounded book block is given the desired spine shape corresponding to the type of cover, which is determined by a fold provided in the area of the book block near the back, which can be designed either as a deep fold or as an oblique fold.
  • book rounding and pressing machines are used in industrial book production, in which the pressing process following the book spine rounding process is carried out by a shaped piece which moves back and forth across the entire width of the back, whereby the folded printed sheets are applied by the pressure and friction Middle of the book block spine after both Pages are turned over, and at an increasing angle to the outside.
  • a book rounding and pressing machine with a piece which acts on the back of the book block and moves back and forth is shown and described, for example, in DE-OS 15 36 507.
  • the traditional round shape of the spine has a multitude of radii.
  • shaped pieces adapted to the respective back radius must be used during the pressing process.
  • this fact requires long changeover times, in particular because the shaped pieces in the pressing station are difficult to access for their removal and reinstallation.
  • the object of the invention is to provide a method of the type mentioned and a device for the mechanical pressing of book blocks, which enable a substantial increase in performance and quality improvement of the book blocks. Furthermore, the replacement of the fittings is to be avoided.
  • the method according to the invention provides that one half of the book block spine is pressed in each case by two pressing elements simultaneously from the center of the From the opposite side of the book block, perform a rolling motion on the back of the book block to compress the printed sheets in the middle of the back of the book block and a tangential sliding friction movement on the back of the book block to fold the printed sheets in the side areas of the back of the book block will.
  • the pressing-off elements execute a tangential sliding friction movement and a superimposed rolling movement counter to the sliding friction movement, such that the sliding friction movement compensates in the area of the center of the book block and increases outwards in the side areas of the book block back by progressively reducing the superimposed rolling movement .
  • the device for carrying out the method is characterized in that two parallel pressure bars in the support frame can be moved by means of linear guides oriented at right angles to this and the support frames can be pivoted in a radius by means of curved guides, the linear movement and the pivoting movement being matched to one another in such a way that the pressure bars in the radius to the outside and at the same time rectilinear in the support frame move inside, and that the pressure strips can be brought from their operative position into a position away from the book block spine via an actuating device.
  • the working speed can be doubled by simultaneously pressing off both halves of the book block.
  • the press-off movement can be continuously adjusted to the different back shapes, so that the previous exchange of the press-off elements is no longer necessary, which significantly shortens the set-up time.
  • the so-called pressing of the book blocks 1 is carried out with two parallel pressing bars 2, each of which acts on one half of the back of a book block 1 under a defined pressing pressure, by making a tangential sliding friction movement from the center of the block in opposite directions to fold the printing sheet into the outside lying areas of the book block spine and perform a tangential compensation movement opposite to the sliding friction movement in order to generate a compression pressure.
  • the book block 1 is held between clamping jaws 3.
  • the pressing bar 2 moves sideways from the position according to FIG. 1b into the positions illustrated in FIGS. 1c-e, wherein the tangential movement is controlled in such a way that the compensation caused thereby is progressively reduced and the printed sheets in the outer areas of the book block spine are folded over by an increasingly reinforced friction component.
  • the pressure bar 2 shown in dash-dot lines in FIGS. 1c-in each case represents the positions in turn without compensation by counter-rolling.
  • the press-off bar 2 returns to its starting position after a press-off operation has been carried out on a path that is remote from the block back.
  • the pressure strips 2 work continuously, preferably a two pressure operation is provided with a view to gentle treatment of the book block spine.
  • the sliding friction movement of the two pressure strips 2 can be varied, on the one hand by applying differently strong frictional forces through more or less counteracting tangential compensation movement and on the other hand by controlling this tangential movement at any point on the book block spine.
  • the two pressing bars 2, which move continuously in opposite directions at the same time, have cantilevers 4 which extend transversely to the longitudinal direction and on which rectilinear roller tracks 4a are located.
  • the booms 4 are on their roller tracks 4a in assigned guideways 5a in transverse bearing 5, which are located on a longitudinally extending support frame 6.
  • the arms 4 are provided on their underside with a toothing 4b which are in engagement with toothed segments 7 rotatably mounted in the transverse bearing 5 via a common drive shaft 9.
  • the toothed segments 7 receive their rotary movement via control levers 10 on the drive shaft 9 with follow rollers 11 starting from curves 8 and thus control the pressure bars 2 in the straight running tracks 5a of the transverse bearings 5 back and forth.
  • the rolling movement of the pressing elements 2, which is superimposed on the tangential sliding friction movement, can be achieved by means of differently configured curves 8.
  • the tangential sliding friction movement of the two pressure strips 2 on the rounded back of the book block 1 takes place from a radius-running common roller track 15 mounted in the side part 13 with associated individual track guide segments 14 which can be moved on the roller tracks 15 and which have a toothing 14a on their underside.
  • a holder 16 serves as the connecting element between the web guide segment 14 and the carrier 6, which is rigidly attached to the web guide segment 14 on the one hand and releasably secured in the carrier 6 via a clamping screw 17 and an elongated hole 18.
  • the two pressing strips 2 are moved downwards and backwards to the center of the block and on a path lying away from the block spine and upwards to their starting position, in which they lie close together.
  • the entire pressing device is moved up and down via eccentric 22 from a drive shaft 23 in time coordination with the pivoting movement of the pressing bars 2 in the direction of the arrow.
  • a double pressing of the spine of the book block is preferably carried out, which aims at gentle treatment of the book block 1.
  • the entire pressing device executes a vertical infeed movement by adjusting the eccentrics 22, followed by the second pivoting movement of the pressing bars 2 and thus the final pressing of the back.
  • pressing twice to further improve back stabilization is useful.
  • the side parts 13 with the toothed segments 21, the web guide segments 14 and the roller tracks 15 can be adjusted in height relative to the supports 6 after loosening the clamping screws 17 in the elongated holes 18, as a result of which the pivoting radius of the pressure bars 2 changes .
  • an adjusting spindle 25 is provided which engages in a threaded block 26 screwed to the side part 24 and movable in guideways 27a in the base frame 27.
  • the book block pressing device according to the invention can be provided as a forward and returning station which can be moved synchronously with a continuously driven staple transport system, whereby a further increase in performance can be achieved.
  • the device is received by a base plate 28 with vertical and horizontal rollers 29 which run on tracks 30 of a machine frame 31.
  • a drive lever 32 which is articulated on a chain 34 driven by the main drive and runs around deflection sprockets 33 and moves the base plate 28 back and forth with the book block pressing device when the chain 34 rotates.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP91100558A 1990-02-26 1991-01-18 Procédé d'endossage mécanique de blocs de livres et dispositif de mise en oeuvre du procédé Expired - Lifetime EP0444410B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4005949 1990-02-26
DE4005949A DE4005949A1 (de) 1990-02-26 1990-02-26 Verfahren zum maschinellen abpressen von buchblocks und vorrichtung zur durchfuehrung des verfahrens

Publications (2)

Publication Number Publication Date
EP0444410A1 true EP0444410A1 (fr) 1991-09-04
EP0444410B1 EP0444410B1 (fr) 1994-04-13

Family

ID=6400951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91100558A Expired - Lifetime EP0444410B1 (fr) 1990-02-26 1991-01-18 Procédé d'endossage mécanique de blocs de livres et dispositif de mise en oeuvre du procédé

Country Status (4)

Country Link
US (1) US5104275A (fr)
EP (1) EP0444410B1 (fr)
JP (1) JPH04216098A (fr)
DE (2) DE4005949A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0615863A1 (fr) * 1993-03-18 1994-09-21 Kolbus GmbH & Co. KG Dispositif pour arrondir les dos de blocs de livres
EP1872963A3 (fr) * 2006-05-18 2012-07-04 Kolbus GmbH & Co. KG Dispositif destiné à l'endossage de bloc de livre

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4330719A1 (de) * 1993-03-18 1994-09-22 Kolbus Gmbh & Co Kg Vorrichtung zum Rückenrunden von Buchblocks
US5441375A (en) * 1993-12-03 1995-08-15 Am International Inc. Cover breaker assembly and method
DE4409319A1 (de) * 1994-03-18 1995-09-21 Kolbus Gmbh & Co Kg Vorrichtung zum Abpressen von Buchblocks
DE19907682A1 (de) * 1999-02-23 2000-08-24 Horst Rathert Verfahren und Vorrichtung zum Runden und Abpressen von Buchrücken insbesondere für Kleinauflagen
ITMI20010137A1 (it) * 2000-02-12 2002-07-25 Kolbus Gmbh & Co Kg Procedimento per la rilegatura di un blocco di libro o di opuscolo inuna copertina e dispositivo per l'esecuzione del procedimento
DE10260476A1 (de) * 2002-12-21 2004-07-01 Kolbus Gmbh & Co. Kg Vorrichtung zum Abpressen von Buchblocks
JP2017136831A (ja) * 2016-02-01 2017-08-10 ミュラー・マルティニ・ホルディング・アクチエンゲゼルシヤフト ブックブロックの予備成形及び丸味出しのための装置
CN116280817A (zh) * 2023-02-28 2023-06-23 中国石油大学(华东) 智能借书还书一体化装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1959656A (en) * 1931-02-19 1934-05-22 Cahen Alfred Machine for rounding and backing books
GB630529A (en) * 1947-08-18 1949-10-14 William Arthur Hopkinson Auld Improvements in or relating to bookbinding machines
FR1439825A (fr) * 1963-04-24 1966-05-27 Tw & Cb Sheridan Co Perfectionnements apportés aux machines pour endosser et arrondir les livres
GB1529734A (en) * 1975-12-01 1978-10-25 Thompson J Bookbinding

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455971A (en) * 1947-11-04 1948-12-14 James F Bosch Bookbinding and method of producing the same
US3258798A (en) * 1962-08-08 1966-07-05 T W & C B Sheridan Co Book back rounding and backing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1959656A (en) * 1931-02-19 1934-05-22 Cahen Alfred Machine for rounding and backing books
GB630529A (en) * 1947-08-18 1949-10-14 William Arthur Hopkinson Auld Improvements in or relating to bookbinding machines
FR1439825A (fr) * 1963-04-24 1966-05-27 Tw & Cb Sheridan Co Perfectionnements apportés aux machines pour endosser et arrondir les livres
GB1529734A (en) * 1975-12-01 1978-10-25 Thompson J Bookbinding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SOVIET INVENTIONS ILLUSTRATED, Section P/Q,week E07,31 märz 1982 Derwent publications Ltd.,London GB *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0615863A1 (fr) * 1993-03-18 1994-09-21 Kolbus GmbH & Co. KG Dispositif pour arrondir les dos de blocs de livres
EP1872963A3 (fr) * 2006-05-18 2012-07-04 Kolbus GmbH & Co. KG Dispositif destiné à l'endossage de bloc de livre

Also Published As

Publication number Publication date
DE59101347D1 (de) 1994-05-19
EP0444410B1 (fr) 1994-04-13
DE4005949A1 (de) 1991-08-29
JPH04216098A (ja) 1992-08-06
US5104275A (en) 1992-04-14

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