EP0358019A2 - Procédé et dispositif de confection de couvertures de livres et similaires - Google Patents

Procédé et dispositif de confection de couvertures de livres et similaires Download PDF

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Publication number
EP0358019A2
EP0358019A2 EP89115324A EP89115324A EP0358019A2 EP 0358019 A2 EP0358019 A2 EP 0358019A2 EP 89115324 A EP89115324 A EP 89115324A EP 89115324 A EP89115324 A EP 89115324A EP 0358019 A2 EP0358019 A2 EP 0358019A2
Authority
EP
European Patent Office
Prior art keywords
hot
melt adhesive
adhesive strip
material sheet
bending edge
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
EP89115324A
Other languages
German (de)
English (en)
Other versions
EP0358019B1 (fr
EP0358019A3 (en
Inventor
Peter Lázár
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT89115324T priority Critical patent/ATE85554T1/de
Publication of EP0358019A2 publication Critical patent/EP0358019A2/fr
Publication of EP0358019A3 publication Critical patent/EP0358019A3/de
Application granted granted Critical
Publication of EP0358019B1 publication Critical patent/EP0358019B1/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
    • B42C7/00—Manufacturing bookbinding cases or covers of books or loose-leaf binders
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S412/00—Bookbinding: process and apparatus
    • Y10S412/902—Heating and pressing

Definitions

  • Such a method and such a device are known from DE-OS 30 10 642.
  • a hot-melt adhesive strip previously cut from rolls or sheets is placed on a base, which is delimited by two bending edges which stand up at a suitable distance from one another.
  • the bending edges are designed as bending strips and at the same time serve as alignment means for the hot-melt adhesive strip.
  • a sheet of material is then placed over it in such a way that the area provided for the formation of the back cover comes to lie above the hot-melt adhesive strip.
  • the material sheet is then pressed against the bending strips and the hot-melt adhesive strip with the aid of a press ram or a press roller. Not only is the connection between the sheet of material and the hot-melt adhesive strip established, but at the same time the folds for bending the cover cover against the back cover are also formed with the aid of the bending strips.
  • the hot-melt adhesive strip tends to stick to the base and / or to the bending strips. This makes it difficult to lift the sheet of material out after pressing. In extreme cases, the hot-melt adhesive strip gets caught in the device. There is also a great risk that the hot-melt adhesive strip will shift when the sheet of material is removed, since it is still pasty. Because of the press ram, the material sheet can only be removed at an angle, which favors moving the hot-melt adhesive strip.
  • Another disadvantage of this device is that the bending strips simultaneously form the lateral boundary of the base for the hot-melt adhesive strip. In this way, the fold lines are formed directly next to the hot-melt adhesive strip. However, this is often not desirable.
  • the object of the invention is to provide a method for the production of covers which works more smoothly and therefore ensures better quality of the covers and moreover leaves greater freedom in the arrangement of the fold lines. Another object is to provide a device which allows the method to be carried out.
  • the connection of hot-melt adhesive strips and material sheet on the one hand and the formation of the fold line on the other hand are produced by two successive pressing processes, the material sheet being lifted together with the hot-melt adhesive strip before the second pressing process, namely by those that are initially outside the pressing area Bending edges which are brought into the position (s) provided for the formation of the fold lines between the two pressing processes and at the same time raise or raise the material sheet.
  • This process in contrast to the previously known process, is carried out in two stages, it has considerable advantages which more than compensate for the disadvantage of the two-stage process.
  • the material sheet is lifted by pushing in the bending edge (s) much more evenly and reproducibly than is possible by hand. Accordingly, the hot melt adhesive strip is much easier to remove.
  • Another The advantage is that the bending edge (s) can be positioned as desired when pushed under the sheet of material, ie you are largely free in the arrangement of the fold lines. They can be provided where they are particularly cheap for folding the cover.
  • the method according to the invention also opens up the possibility of adapting the press pressure in the two pressing processes according to the respective requirements. Only a small amount of pressure is required to connect the hot-melt adhesive strips and the sheet of material. When such a pressure is applied, the tendency to adhere is further reduced, so that the lifting of the material sheet with the aid of the bending edge (s) takes place without any problems. A correspondingly higher pressure can then be provided for the formation of the fold lines with the aid of the second pressing process, which ensures optimum fold line formation. Since the bending edge or the bending edges retract after the second pressing process, the hot-melt adhesive strip is no longer framed by this or these and the sheet of material can therefore be removed easily and without the risk of the hot-melt adhesive strip moving. A high quality cover is obtained, which guarantees that this quality is reproducible.
  • the bending edge (s) initially support the material sheet outside the pressing area until it is or are moved into the position (s) provided for the formation of the fold line (s) . In this way, moving the bending edge (s) into the position provided for the formation of the fold line (s) does not prepare Problems.
  • a pressure control device for reducing the pressing pressure for connecting the hot-melt adhesive strip to the material sheet and for increasing the pressing pressure for the formation of the fold line (s) is provided for the device.
  • a first press die for the connection between the hot-melt adhesive strip and the sheet of material and a second press die for the formation of the fold lines are provided, which can be moved alternately into the position relative to the base, the second press die having grooves for the fold lines.
  • the invention thus opens up the possibility of providing various press rams for attaching the hot-melt adhesive strip on the one hand and for forming the fold lines on the other hand, which are optimally adapted to the respective requirements.
  • the first press die can be provided with a heating device alone and the second press die can have a hard, modeled press surface.
  • the bending edge (s) also form a support for the material sheet in the position outside the area of influence of the press ram. This means that the bending edge (s) does not extend or extend so far that they are in its or their end position outside the material sheet.
  • the movement of the bending edge (s) when changing their location can be chosen relatively freely. However, it is preferable to arrange the bending edge (s) on a sliding element that is movable perpendicular to the course of the bending edge (s). In this way, the movement is straight and translational, so that, for example, double-acting telescopic cylinders can be used for the movement.
  • the aligning means for the hot-melt adhesive strip are expediently two guide walls intended for contact on the longitudinal sides thereof, at least one of which can be displaced relative to the other in order to change the distance.
  • the alignment means can also be quickly adapted to the respective width of the hot-melt adhesive strip.
  • the movable guide wall is part of a displaceably guided guide device on which the alignment device is arranged for the material sheet. The result of this is that when the width of the hot-melt adhesive strip is changed, the alignment device is also automatically adapted in accordance with the material sheet then used.
  • the associated bending edge on the guide device - if necessary together with the telescopic cylinder - is movably mounted. If the width of the hot-melt adhesive strip is changed, there is also an automatic adjustment with regard to the arrangement of the fold line, ie the distance between the side wall of the hot-melt adhesive strip and the fold line remains the same, without the need for special adjustment measures.
  • a double-acting telescopic cylinder can also be provided for the displacement of the guide wall. In operation, it should be pre-tensioned in such a way that the movable guide wall is pressed in the direction of the opposite guide wall and bears against a stop. A special attachment of the movable guide wall can then be omitted. For example, a bar forming the base for the hot-melt adhesive strip can be used as a stop.
  • suction bores are provided in at least one support surface for holding the material sheet on the device and are connected to a vacuum source.
  • the material sheet can be fixed during the pressing processes and, if necessary, also during the movement of the bending edge (s) by applying a corresponding vacuum.
  • the invention provides that the device is displaceably mounted on a base frame without the press ram and that a suction lifting device is provided in the movement area of the device next to the press ram for lifting the material sheet after the second pressing process.
  • a suction lifting device is provided in the movement area of the device next to the press ram for lifting the material sheet after the second pressing process.
  • the device (1) shown schematically in FIG. (1) has a base plate (2) which is provided with a step (3) by means of which two upper sides (4, 5) separate from one another and located at different heights are created.
  • a guide plate (6) is mounted displaceably in the directions of the double arrow A on the lower side (5).
  • a double-acting telescopic cylinder (7) is provided - which is not shown in detail - which is connected to the rear of the guide plate (6).
  • the thickness of the guide plate (6) corresponds to the difference in height between the two upper sides (4, 5).
  • the step (3) and the opposite end face of the guide plate (6) form guide walls (8, 9) and delimit a section (10) of the lower upper side (5), the width of which is determined by the respective position of the guide plate (6).
  • Guide walls (8, 9) and section (10) form an upwardly open groove (11).
  • An angle profile (12) is mounted on the guide plate (6) in an area removed from the groove (11).
  • the attachment is done by means of two screws (13, 14) which sit in elongated holes (15, 16), each of which extends in the direction of displacement of the guide plate (6).
  • the angle profile (12) can be adjusted relative to the guide plate (6), ie the distance to the groove (11) can be increased or decreased.
  • a slide profile (17) is slidably mounted, in the direction of the groove (11) or away from it.
  • the slide profile (17) has a leg (18) directed downwards, which is connected to a double-acting telescopic cylinder (19).
  • This telescopic cylinder (19) is attached to the base plate (2) and can move the slide profile (17) back and forth in the directions mentioned.
  • a correspondingly designed slide profile (20) is mounted on the guide plate (6) and can also be moved in the direction of the groove (11) or away from it.
  • the slide profile (20) also has a leg (21) directed downwards, which is connected to a further, double-acting telescopic cylinder (22).
  • This telescopic cylinder (22) - which is not shown here - is attached to the guide plate (6) so that it moves with the guide plate (6) when it is displaced.
  • upstanding bending webs (23, 24) extending over their width are arranged, namely at a distance from the opposite edges of the slide profiles (17, 20).
  • the base plate (2) is on a roller (27, 28, 29) Guide track (30) slidably mounted in the directions of the double arrow B. Only the ram (25) and the telescopic cylinder (26) remain stationary. By means of a drive, not shown here, the base plate (2) can be moved towards a lifting device (31) to such an extent that its pneumatic suction plate (32) hangs somewhat above section (10) in the position shown. The suction plate (32) can then be lowered onto a finished material sheet by pivoting a suction arm (33), pick it up and place it in a collection basket after the base plate (2) has been moved back. In this way, the removal of the sheet of material from the device (1) is automated.
  • a hot-melt adhesive strip (34) is inserted into the groove (11), that is, between the guide walls (8, 9).
  • the depth of the groove (11) or the height of the guide walls (8, 9) is dimensioned such that the hot-melt adhesive strip (34) a little out of the groove (11) and thus over that of the upper side (4) of the base plate (2 ) and the top of the guide plate (6) formed protrudes.
  • the slide profiles (17, 20) are in the most extended position, in which they are at the greatest distance from the groove (11).
  • a suitable material sheet (35) is placed on the slide profiles (17, 20). Its right edge in this view lies against the angle profile (12).
  • the position of the angle profile (12) is set so that the area of the material sheet (35) provided on the cover spine comes to lie exactly above the hot-melt adhesive strip (34) when the Material sheet (35) on the angle profile (12). This gives the situation shown in FIG. (2).
  • the press ram (25) is now lowered, as a result of which the material sheet (35) is pressed downward against the hot-melt adhesive strip (34) in the central region. Since the press ram (25) is heated, the hot-melt adhesive strip (34) is made adhesive by heating in the area of the contact surface to the material sheet (35), so that the hot-melt adhesive strip (34) adheres to the material sheet (35).
  • the pressure to be applied in this first pressing process is relatively low.
  • the press ram (25) is then raised.
  • the slide profiles (17, 20) are moved synchronously in the direction of the groove (11), specifically by means of a corresponding drive by means of the telescopic cylinders (19, 22).
  • the material sheet (35) is also raised in the area of action of the press ram (25) and the hot-melt adhesive strip (34) is thus lifted off the section (10).
  • the movement of the slide profiles (17, 20) is carried out until the bending webs (23, 24) projecting from them lie in a position below the fold lines to be formed in the material sheet (35).
  • These positions can be specified, for example, by stops on the base plate (2) or on the guide plate (6), it being expedient that these stops can be adjusted in the directions of movement of the slide profiles (17, 20) by the distance of the fold lines in With regard to the hot-melt adhesive strip (34) to be able to choose freely according to the respective requirements.
  • the press ram (25) is lowered again to carry out the second pressing process, as shown in FIG. (5).
  • the pressure applied is now considerably greater than in the first pressing process, so that fold lines are formed in the material sheet (35) via the bending webs (23, 24).
  • the press ram (25) is raised again and the slide profiles (17, 20) move back into their initial positions shown in FIG. 2.
  • the material sheet (35) is then completed to form a cover.
  • the sheet of material (35) can then be removed from the device (1) without any problems, this preferably not being done manually, but automatically with the aid of the lifting device (31) shown in FIG. (1) after the base plate (2) has been moved in the direction of this lifting device (31). After removing the material sheet (35), the base plate (2) is moved back into the starting position.
  • the guide plate (6) is held in the direction of the guide wall (8) under prestress by applying appropriate pressure to the telescopic cylinder (7).
  • a stop in the form of a bar (36) placed in the groove (11) on the section (10) then prevents the guide walls (8, 9) from moving further together, thus keeping the guide plate (6) at a distance from the guide wall (8) .
  • the width of the strip (36) corresponds essentially to the width of the hot-melt adhesive strip (34) used and can be adapted to this.
  • the guide plate (6) When using a hot melt adhesive strip (34) of a different width, for example a wider hot melt adhesive strip, the guide plate (6) is retracted to widen the groove (11) and one appropriately adapted bar (36) inserted as a stop for the guide plate (6) in the groove (11). Otherwise, it is not necessary to make changes, provided the distance of the fold lines in relation to the side walls of the hot-melt adhesive strip (34) is not to be changed.
  • the guide plate (6) moves back, the relative position of the slide profile (20) and that of the angle profile (12) is changed at the same time, since both are connected to the guide plate (6).
  • the device (1) can thus be adapted very easily and quickly to differently wide hot melt adhesive strips (34) and correspondingly adapted formats of the material sheet (35).

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Making Paper Articles (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Basic Packing Technique (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Package Frames And Binding Bands (AREA)
EP89115324A 1988-09-03 1989-08-19 Procédé et dispositif de confection de couvertures de livres et similaires Expired - Lifetime EP0358019B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89115324T ATE85554T1 (de) 1988-09-03 1989-08-19 Verfahren und vorrichtung zur herstellung von einbaenden oder dergleichen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3829977A DE3829977A1 (de) 1988-09-03 1988-09-03 Verfahren und vorrichtung zur herstellung von einbaenden oder dergleichen
DE3829977 1988-09-03

Publications (3)

Publication Number Publication Date
EP0358019A2 true EP0358019A2 (fr) 1990-03-14
EP0358019A3 EP0358019A3 (en) 1990-09-05
EP0358019B1 EP0358019B1 (fr) 1993-02-10

Family

ID=6362225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89115324A Expired - Lifetime EP0358019B1 (fr) 1988-09-03 1989-08-19 Procédé et dispositif de confection de couvertures de livres et similaires

Country Status (10)

Country Link
US (1) US4968203A (fr)
EP (1) EP0358019B1 (fr)
JP (1) JPH02107493A (fr)
AT (1) ATE85554T1 (fr)
CA (1) CA1331827C (fr)
DE (2) DE3829977A1 (fr)
DK (1) DK167108B1 (fr)
ES (1) ES2038808T3 (fr)
FI (1) FI91138C (fr)
NO (1) NO893519L (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403887C2 (de) * 1994-02-08 1996-10-02 Peter Lazar Verfahren und Vorrichtung zum Aufbringen von Schmelzkleber auf einen Einbandbogen
US7874780B2 (en) * 2007-09-27 2011-01-25 Kelly Willauer Machine and method for making lay-flat photo books

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1665003A (en) * 1926-08-14 1928-04-03 Jesse Satenstein Case-forming attachment
US3068501A (en) * 1961-06-19 1962-12-18 Smyth Mfg Co Apparatus for assembling components of cases for books
US4129914A (en) * 1976-12-09 1978-12-19 Gerhard Jahn Automatic loading tray
DE3707675A1 (de) * 1986-03-14 1987-09-17 Goeran Bolin Heft, mappe, umschlag od. dgl.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137874A (en) * 1963-04-02 1964-06-23 Brock And Rankin Book backbone, method and machine
DE1536499C3 (de) * 1966-04-26 1973-12-13 Planatolwerk Willy Hesselmann Chemische Und Maschinenfabrik Fuer Klebetechnik, 8200 Rosenheim Vorrichtung zum Klebebinden von Blattstapeln
US3532363A (en) * 1968-05-20 1970-10-06 Abildgaard Lab Plastic bookbinding apparatus and method
US3707418A (en) * 1970-10-16 1972-12-26 Xerox Corp Method of binding
SE413647B (sv) * 1979-03-30 1980-06-16 Semotex Ab Forfarande och anordning for framstellning av en perm, ett hefte eller liknande
DE3010642C3 (de) * 1979-03-30 1995-11-09 Bind O Matic Ab Verfahren zur Herstellung eines Einbandes, Heftes od.dgl., sowie Verwendung einer Vorrichtung hierzu
US4289330A (en) * 1979-10-10 1981-09-15 General Binding Corporation Bookbinding system
CA1324779C (fr) * 1984-12-13 1993-11-30 John V. Cross Systeme de transport en vrac des recoltes
US4606689A (en) * 1985-07-05 1986-08-19 Bind-O-Matic Ab Method and apparatus for producing book covers, folders, booklets and the like
DE3716112C1 (de) * 1987-05-14 1988-08-25 Peter Lazar Verfahren und Vorrichtung zur Herstellung eines Einbandes oder dergleichen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1665003A (en) * 1926-08-14 1928-04-03 Jesse Satenstein Case-forming attachment
US3068501A (en) * 1961-06-19 1962-12-18 Smyth Mfg Co Apparatus for assembling components of cases for books
US4129914A (en) * 1976-12-09 1978-12-19 Gerhard Jahn Automatic loading tray
DE3707675A1 (de) * 1986-03-14 1987-09-17 Goeran Bolin Heft, mappe, umschlag od. dgl.

Also Published As

Publication number Publication date
ES2038808T3 (es) 1993-08-01
DE3829977A1 (de) 1990-03-15
FI91138C (fi) 1994-05-25
DE3829977C2 (fr) 1990-11-29
DK423889A (da) 1990-03-04
DE58903513D1 (de) 1993-03-25
EP0358019B1 (fr) 1993-02-10
CA1331827C (fr) 1994-09-06
US4968203A (en) 1990-11-06
FI894109A (fi) 1990-03-04
FI894109A0 (fi) 1989-09-01
JPH02107493A (ja) 1990-04-19
NO893519L (no) 1990-03-05
ATE85554T1 (de) 1993-02-15
NO893519D0 (no) 1989-09-01
FI91138B (fi) 1994-02-15
DK167108B1 (da) 1993-08-30
EP0358019A3 (en) 1990-09-05
DK423889D0 (da) 1989-08-29

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