EP0438748B1 - Dispositif de fermeture de peignes de reliure - Google Patents

Dispositif de fermeture de peignes de reliure Download PDF

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Publication number
EP0438748B1
EP0438748B1 EP90125011A EP90125011A EP0438748B1 EP 0438748 B1 EP0438748 B1 EP 0438748B1 EP 90125011 A EP90125011 A EP 90125011A EP 90125011 A EP90125011 A EP 90125011A EP 0438748 B1 EP0438748 B1 EP 0438748B1
Authority
EP
European Patent Office
Prior art keywords
closing device
feed members
bending
binding
feed
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.)
Expired - Lifetime
Application number
EP90125011A
Other languages
German (de)
English (en)
Other versions
EP0438748A3 (en
EP0438748A2 (fr
Inventor
Gert Bross
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.)
Chr Renz GmbH and Co
Original Assignee
Chr Renz GmbH and Co
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 Chr Renz GmbH and Co filed Critical Chr Renz GmbH and Co
Publication of EP0438748A2 publication Critical patent/EP0438748A2/fr
Publication of EP0438748A3 publication Critical patent/EP0438748A3/de
Application granted granted Critical
Publication of EP0438748B1 publication Critical patent/EP0438748B1/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
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B5/00—Permanently attaching together sheets, quires or signatures otherwise than by stitching
    • B42B5/08—Permanently attaching together sheets, quires or signatures otherwise than by stitching by finger, claw or ring-like elements passing through the sheets, quires or signatures
    • B42B5/10—Permanently attaching together sheets, quires or signatures otherwise than by stitching by finger, claw or ring-like elements passing through the sheets, quires or signatures the elements being of castellated or comb-like form
    • B42B5/103—Devices for assembling the elements with the stack of sheets

Definitions

  • the invention relates to a locking device for binding combs for the bending closing of at least approximately C-profile-shaped punching combs for comb bindings of single sheets or the like, with a bending tool which is provided with two mutually opposite bending punches.
  • a locking device of this type is described for example in DE-OS 36 19 648.
  • the open form is closed by bending or rolling in after the correspondingly pre-punched single sheets have been inserted into the perforation tines beforehand.
  • Glide during the closing process the perforation teeth of the binding comb on the bending dies.
  • the glide depends on numerous factors, this occurring both on the upper side opposite the upper bending die and on the lower side opposite the lower bending die.
  • a glide and a resulting roll-in movement would only be desirable as far as possible only of the perforation tines lying on the lower punch, whereas the position of the perforation tines in relation to the upper punch should be maintained as far as possible.
  • the curling movement takes place more or less in an uncontrolled manner, the curling upper perforating tines pressing on the sheet stack and possibly producing undesirable impressions in the uppermost sheets.
  • the present invention is therefore based on the object of improving a closing device of the type mentioned at the outset in such a way that the change in position of a binding comb during the closing process is approximated as closely as possible to the ideal process, with the possibility, if appropriate, of still giving this closing process with a single tool can also be achieved for different sizes and diameters of binding combs.
  • this object is achieved in that the two bending punches are provided with strip-like contact members which are at least approximately point or form linear supports for the prongs of the binding comb, the upper contact members being designed so that they produce a higher static friction on the prongs of the binding comb.
  • the distance of the upper contact members from one another is greater than the distance of the lower contact members from one another.
  • This configuration means that the perforated tines adhere more strongly to the upper contact members due to their C-profile shape than on the lower investment links.
  • the upper contact members consist of a material or are coated with a material which generates a greater static friction than the material for the lower contact members.
  • a very advantageous and not obvious further development of the invention consists in the fact that the distances between the contact members can be adjusted in each case.
  • binding combs Due to the possibility of adjusting and also adjusting the distances, multiple sizes or diameters of binding combs can be processed with a single set of bending dies, i.e. the device according to the invention can be optimally adjusted to the respective conditions.
  • a bending punch e.g. divided into a base part and a second part, namely the contact elements, which assume the actual liability or guidance for the binding comb.
  • the spacing of the system members from one another can be adjusted in different ways.
  • the bending punches are provided with a plurality of slots running parallel to one another and in the longitudinal direction, into which the contact members designed as rails can be inserted.
  • This configuration is very simple and can be produced very cheaply. For this purpose, it is only necessary to provide a plurality of slots in a base part of the bending die and to insert two contact members, which are arranged at a distance from one another, into the rails at the desired distance.
  • the spacing of the contact members from one another can instead be adjusted by interposed interchangeable spacing members in another embodiment of the invention.
  • any distances and thus any sizes and diameters of bending combs can be processed with a single device.
  • spacers of different thicknesses or widths, e.g. Spacer bars or spacers to use.
  • each bending punch has a base part with a stop part, the contact members with the spacers being arranged interchangeably between a holding part and the stop part.
  • the front edge of the stop part forms an abutment member from the base part of the upper bending punch.
  • one component can be saved, because the stop part thus has a double function. Since practically the two or two contact members are at a greater distance from one another, a contact point, preferably just the rear contact edge, can be selected as a fixed reference point, with which it is only necessary to match the remaining three strips according to the desired diameter or size of the binding comb to arrange.
  • Another embodiment for a distance adjustability is that the contact members of the lower and the upper bending punch are connected to one another on the side facing away from one another via a hinge-like connection, the opening angle of the hinge-like connection being adjustable in each case.
  • the two contact members are fixed on one side, but can be pivoted relative to one another, and by adjusting the opening angle, comb bindings with different diameters of binding combs and different ones can be made Carry out single sheet numbers.
  • the opening angle of the hinge-like connection, through which the contact members form a V-shape, can take place continuously or in steps.
  • Continuous adjustability can e.g. can be achieved by adjusting screws that connect the two V-shaped contact members.
  • the contact members that cooperate with each other can also be kept at a constant distance or at a prestress from one another by a spring device, as a result of which separate fixing devices are avoided.
  • the contact members on the contact side are semicircular or at least rounded.
  • the upper contact members can also be rounded in order to avoid impressions in the sheet stack even more reliably.
  • the investment links also be square in the form of rails or strips.
  • the strips can be knurled with grooves made radially to the diameter, so that the element cannot move laterally or axially when closing.
  • a further reduction in static friction is achieved if it is provided that the contact members of the lower bending punch are each provided with a roller bar on their contact side. Instead of sliding friction, rolling friction is generated in this way, which is much less friction.
  • Binding comb closing devices for closing a binding comb blank or a binding comb prefabricated from round wire are generally known, which is why only the parts essential to the invention are described in more detail below.
  • the locking device has two bending punches arranged in a machine frame, namely an upper bending punch 1 and a lower bending punch 2, which can generally be moved towards one another in the direction of the arrow by a hydraulic or pneumatic device (not shown).
  • Each bending punch 1 or 2 has a base part 3 which is provided with a plurality of slots 4 which are arranged parallel and at a distance from one another and extend in the longitudinal direction of the bending punch 1 or 2.
  • slots 4 are provided, but of course it is also possible within the scope of the invention to provide further slots 4.
  • the distances between the slots 4 in the upper punch 1 are greater than the distances between the slots 4 in the lower punch 2.
  • the contact members 5 to 8 in the form of strips or rails accordingly in the same way in such a way that in each case an intermediate slot 4 remains free, the two contact members 5 and 6 in the upper punch 1 are at a greater distance from each other than the two contact members 7 and 8 in the lower punch 2.
  • the spacing of the slots 4 in the lower and the upper punch 1 and 2 are the same. In this case, there will be correspondingly more free slots between the contact members 5 and 6 in the upper punch 1 than between the contact members 7 and 8 in the lower punch.
  • the only prerequisite for inserting the contact members 5 to 8 is that the two contact members 5 and 6 have a greater distance from one another than the contact members 7 and 8.
  • the perforation prongs 9 of the binding comb 10 each rest against the contact members 5 to 8 in a point or line shape. In other words, this also means that the binding comb 10 with its numerous perforation prongs 9 only rests at four points.
  • a guide surface - as is the case with the prior art - is no longer necessary because the spacing arrangement of the contact members according to the invention and their only small width ensure that the binding comb is guided properly.
  • FIG. 2 Another embodiment is shown in FIG. 2 with respect to a distance adjustability of the contact members 5 to 8.
  • the contact members 5, 6 and 7, 8 are articulated to one another via a hinge-like connection 11 on the side facing away from the binding comb.
  • the hinge-like connection 11 can be connected to the base part 3 of the respective bending die 1 or 2 in any manner and not shown in detail.
  • the setting and the adjustment of the distance between the contact member 5 and the contact member 6 or the contact member 7 and the contact member 8 on the front is carried out by adjusting screws 12 which pass through the two cooperating contact members transversely.
  • the adjusting screw 12 can, for example, be provided with a threaded pin and an adjusting nut. To maintain an exact opening position the respective cooperating contact members 5, 6 and 7, 8 are held by a spring device 13 arranged between them on a bias.
  • the opening angle of the hinge-like connection can be changed infinitely and thus the distance between the two mutually cooperating contact members 5, 6 and 7, 8 in the area of the support for the perforated prongs 9.
  • Fig. 3 the front region of a contact member 7 or 8 is shown in a side view, wherein a roller bar 14 is inserted in a corresponding recess in the area of the support for the binding comb 10, which around an axis parallel to the longitudinal direction of the contact members runs, is rotatable. In this way, the friction between the perforated prongs 9 and the lower contact members 7 and 8 is reduced.
  • each bending punch 1 or 2 having a base part 3 in the form of an angle or an L.
  • the location of the angular base parts 3 are each selected so that one leg lies horizontally, while the second leg runs in the vertical direction, in each case in the direction of the other bending punch.
  • the respective vertical leg forms a stop part 15 which is arranged at the rear.
  • the respective horizontal legs of the base part 3 form support or contact surfaces for the strip-shaped contact members 5, 6 and 7, 8.
  • the rear contact member 6 of the upper bending die 1 is formed by the front edge of the stop part 15.
  • spacers which have different thicknesses or widths, are arranged between the contact members 5, 6 and 7, 8 and the stop parts.
  • the width of the spacers 16 is to be selected depending on the size or the diameter of the binding comb 10, care being taken that the distance between the two contact members 5, 6 is greater than the distance between the two lower contact members 7, 8th.
  • the individual parts are connected to one another by an outer holding part 17, or the contact members 7, 8 and the contact member 5 are included the spacers 16 in between pressed against the respective stop part 15 of the base part 3.
  • Hexagon socket screws 18 are used for this purpose, which are inserted through the contact members 5, 7 and 8 and the spacer members 16 and screwed into the stop parts 15.

Claims (15)

  1. Dispositif de fermeture de peignes de reliure, pour fermer par flexion des peignes de reliure ayant des dents au moins approximativement en forme de C pour relier des feuilles individuelles ou analogues, avec un outil de pliage pourvu de deux mâchoires de pliage disposées l'une en face de l'autre, caractérisé en ce que les deux mâchoires de pliage (1, 2) sont équipées d'éléments d'appui en forme de lattes (5, 6; 7, 8) qui forment des appuis approximativement ponctuels ou linéaires pour les dents (9) du peigne de reliure (10), les éléments d'appui supérieurs (5, 6) étant agencés de façon à produire une plus forte friction sur les dents (9) du peigne de reliure (10).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'écartement mutuel entre les éléments d'appui supérieurs (5, 6) est plus grand que l'écartement mutuel entre les éléments d'appui inférieurs (7, 8).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les éléments d'appui supérieurs (5, 6) sont faits ou revêtus d'un matériau qui produit une plus forte friction que le matériau des éléments d'appui inférieurs (7, 8).
  4. Dispositif selon la revendication 1, 2 ou 3, caractérisé en ce que les écartements mutuels des éléments d'appui (5, 6; 7, 8) sont réglables.
  5. Dispositif selon la revendication 4, caractérisé en ce que les mâchoires de pliage (1, 2) comportent plusieurs rainures longitudinales juxtaposées et parallèles (4) dans lesquelles peuvent s'insérer les éléments d'appui (5, 6; 7, 8) en forme de bandes.
  6. Dispositif selon la revendication 4, caractérisé en ce que les écartements mutuels des éléments d'appui (5, 6; 7, 8) sont réglables au moyen d'entretoises échangeables (16).
  7. Dispositif selon la revendication 6, caractérisé en ce que chaque mâchoire de pliage (1, 2) comporte une pièce de base (3) pourvue d'une butée (15), les éléments d'appui (5, 6; 7, 8) et les entretoises associées (16) étant montés de manière échangeable entre une pièce de fixation (17) et la butée (15).
  8. Dispositif selon la revendication 7, caractérisé en ce que le bord antérieur de la butée (15) de la pièce de base (3) de la mâchoire supérieure (1) constitue un élément d'appui (6).
  9. Dispositif selon la revendication 4, caractérisé en ce que les éléments d'appui respectifs (5, 6; 7, 8) de la mâchoire inférieure (2) et de la mâchoire supérieure (1) sont raccordés l'un à l'autre par une liaison à charnière (11) sur leur côté éloigné de l'autre mâchoire, l'angle d'ouverture de chaque liaison à charnière (11) étant réglable.
  10. Dispositif selon la revendication 9, caractérisé en ce que l'angle d'ouverture de la liaison à charnière (11) est réglable en continu.
  11. Dispositif selon la revendication 9 ou 10, caractérisé en ce que les deux éléments d'appui (5, 6; 7, 8) raccordés par la liaison à charnière (11) sont liés l'un à l'autre de manière réglable au moyen de vis de réglage (12).
  12. Dispositif selon l'une des revendications 9 à 11, caractérisé en ce que les deux éléments d'appui associés (5, 6; 7, 8) sont maintenus à distance l'un de l'autre au moyen d'un dispositif à ressort (13).
  13. Dispositif selon l'une des revendications 1 à 12, caractérisé en ce que les éléments d'appui (5, 6; 7, 8) de la mâchoire inférieure (2) et/ou de la mâchoire supérieure (1) ont une forme semi-circulaire ou au moins arrondie sur leur côté d'appui.
  14. Dispositif selon l'une des revendications 1 à 13, caractérisé en ce que les éléments d'appui (7, 8) de la mâchoire inférieure (2) comportent chacun une barre de roulement (14) sur leur côté d'appui.
  15. Dispositif selon l'une des revendications 1 à 14, caractérisé en ce que les éléments d'appui en forme de lattes (5, 6, 7, 8) sont moletés, avec des rainures disposées radialement par rapport au diamètre.
EP90125011A 1990-01-25 1990-12-20 Dispositif de fermeture de peignes de reliure Expired - Lifetime EP0438748B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4002144A DE4002144A1 (de) 1990-01-25 1990-01-25 Schliessvorrichtung fuer bindekaemme
DE4002144 1990-01-25

Publications (3)

Publication Number Publication Date
EP0438748A2 EP0438748A2 (fr) 1991-07-31
EP0438748A3 EP0438748A3 (en) 1991-08-21
EP0438748B1 true EP0438748B1 (fr) 1994-03-23

Family

ID=6398758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90125011A Expired - Lifetime EP0438748B1 (fr) 1990-01-25 1990-12-20 Dispositif de fermeture de peignes de reliure

Country Status (3)

Country Link
US (1) US5197842A (fr)
EP (1) EP0438748B1 (fr)
DE (2) DE4002144A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2259273B (en) * 1991-08-19 1995-01-11 Burn James Int Ltd Improvements in and relating to binding perforated sheets
US5454679A (en) * 1994-01-13 1995-10-03 Whiteman, Jr.; Marvin E. Wire element bindery press
US5452980A (en) * 1994-01-13 1995-09-26 Whiteman, Jr.; Marvin E. Electric loop wire bindery press
GB2301553B (en) * 1995-05-04 1999-03-10 Burn James Int Ltd Improvements in and relating to a binding apparatus
US5837344A (en) * 1996-08-22 1998-11-17 Gunther Technologies, Inc. Spiral coil binding system
US5955183A (en) * 1996-08-22 1999-09-21 Gunther Technologies, Inc. Spiral coil binding system
US6059505A (en) * 1997-02-06 2000-05-09 Wang; Sheng-Tan Device for forming a loose-leaf holder and the loose-leaf holder formed thereby
JP3661090B2 (ja) * 1999-10-29 2005-06-15 カール事務器株式会社 リング開閉具及び綴じ装置
US20020106265A1 (en) * 2000-11-29 2002-08-08 Mario Litsche Binding apparatus and method
US6887025B2 (en) * 2002-01-31 2005-05-03 Performance Design, Inc. Combined inserter and binder for wire element
DE10223481A1 (de) * 2002-05-27 2003-12-11 Heidelberger Druckmasch Ag Verfahren zum Biegen von Drahtkammbindeelementen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2117242A (en) * 1937-03-31 1938-05-10 Trussell Mfg Co Manufacture of ring binders
US2555290A (en) * 1949-07-28 1951-05-29 Spiral Binding Bookbinder
US3451081A (en) * 1968-01-03 1969-06-24 Burn & Co Ltd James Book-binding machines
US3555587A (en) * 1968-11-12 1971-01-19 Westab Inc Method and apparatus for binding packets of sheet material
IT959769B (it) * 1972-05-26 1973-11-10 Cartiere P Pigna Spa Macchina semiautomatica per la rilegatura del tipo cosiddetto a spirale di fogli sciolti perfo rati per album quaderni calendari e simili
GB1541225A (en) * 1975-02-13 1979-02-28 Burn Bindings Ltd James Binding of perforated sheets
US4020516A (en) * 1975-11-26 1977-05-03 Spiral Binding Company, Inc. Apparatus for binding loose sheets
DE3619648A1 (de) * 1986-06-11 1987-12-17 Bielomatik Leuze & Co Bindekamm-schliessvorrichtung

Also Published As

Publication number Publication date
US5197842A (en) 1993-03-30
EP0438748A3 (en) 1991-08-21
EP0438748A2 (fr) 1991-07-31
DE59005112D1 (de) 1994-04-28
DE4002144A1 (de) 1991-08-01

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