EP0295220B1 - Méthode de reliure - Google Patents

Méthode de reliure Download PDF

Info

Publication number
EP0295220B1
EP0295220B1 EP88830237A EP88830237A EP0295220B1 EP 0295220 B1 EP0295220 B1 EP 0295220B1 EP 88830237 A EP88830237 A EP 88830237A EP 88830237 A EP88830237 A EP 88830237A EP 0295220 B1 EP0295220 B1 EP 0295220B1
Authority
EP
European Patent Office
Prior art keywords
stack
loop
signatures
signature
crochet
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
EP88830237A
Other languages
German (de)
English (en)
Other versions
EP0295220A1 (fr
Inventor
Gianattilio Meratti
Bruno Locatelli
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.)
Meccanotecnica SpA
Original Assignee
Meccanotecnica SpA
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 Meccanotecnica SpA filed Critical Meccanotecnica SpA
Priority to AT88830237T priority Critical patent/ATE74556T1/de
Publication of EP0295220A1 publication Critical patent/EP0295220A1/fr
Application granted granted Critical
Publication of EP0295220B1 publication Critical patent/EP0295220B1/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
    • B42B2/00—Permanently attaching together sheets, quires or signatures by stitching with filamentary material, e.g. textile threads
    • B42B2/02—Machines for stitching with thread
    • B42B2/04—Machines for stitching with thread with straight needles

Definitions

  • This invention relates to a method of binding books having a set number of signatures each, which comprises the steps of shifting a stack of sewn-together signatures, feeding one signature at a time to the signature stack for the augmentation thereof, sewing the signature fed to the signature stack by means of continuous thread rows of stitches including a plain stitch sewn section and including a looped stitch sewn section obtained by alternatively moving downward and upward and alternatively angularly orientating around its longitudinal axis a crochet, cutting off the thread of one stitch every set number of signatures of a book, hooking with the crochet one loop of said looped stitch sewn section every set number of signatures of a book, dropping said loop from the crochet.
  • US-A-1902864 provides, as regards the disconnection of the stitched book from the rest of the signatures, instead of the above mentioned step of dropping the loop from the crochet, the step of engaging the loop with a thread-guiding device which causes the withdrawing of the loop from the adjacent interdepending loop.
  • Object of the present invention is to provide a method of binding books which operates in a fully automatic manner without any further intervention.
  • This object is achieved by a method as indicated at the beginning, characterised by the fact that it further comprises the steps of releasing said loop to a hook and keeping said loop hooked to the hook during the shifting movement of the signature stack for unravelling the loop.
  • the numeral 1 generally designates a sewing machine for binding books 2 from signatures, the latter being collectively designated 3.
  • Each book 2 includes a set number of signatures, four in the example shown.
  • the machine 1 accommodates a stack 4 of signatures, which is moved in a direction indicated by the arrow F.
  • the stack 4 is fed one signature 3 at a time along a direction indicated by the arrow G, perpendicularly to the stack shifting direction.
  • Each signature 3 fed to the stack 4 is then sewn to the signatures in the stack by means of a row of stitches 5 formed with a continuous thread 5a.
  • the row of stitches 5 includes a section 6 with plain stitches 8 and a section 7 with looped stitches 9.
  • the plain stitches 8 and looped stitches 9 bridge the gap between any signature 3 and the next in the stack 4.
  • the machine 1 is provided with a linearly reciprocable sewing needle 10, and with a crochet 11 which is reciprocable linearly as well as pivotally around to change its orientation and includes a hook portion 11a and back portion 11b.
  • the crochet 11 would be oriented, during its loop 9 forming upward stroke, with the hook 11a facing the stack of signatures, whereas during its downward stroke, it would be oriented with the back 11b facing the stack.
  • a shuttle 12 is reciprocable between the needle 10 and the crochet 11 on the inside of a signature which has just been fed to the stack and is held slightly spread open in order for the thread to be taken from the needle 10 to the crochet 11.
  • the sewing machine 1 further comprises a blade 13 which can be shifted every set number of signatures between a home position and an operative position where it locates close against the needle, upstream thereof in the stack shifting direction, and interferes with the thread of a stitch 8 just formed in the section 6.
  • the machine 1 for implementing the method of this invention also comprises a hook 14 having a tip 14a and an intrados 14b.
  • the hook 14 is shiftable every set number of signatures between a home position and an operative position where it locates close against the crochet, upstream thereof in the shifting direction of the stack, and interferes with a loop 9 just formed in the section 7.
  • the machine 1 is also provided with a means, known per se and not illustrated, of blocking the crochet pivotal movement every set number of signatures such that, every set number of signatures, the crochet will retain in its downward stroke the same orientation as in its upward stroke, i.e. with the hook 11a next to the stack.
  • a method of binding books having a set number of signatures each, for example four signatures each comprises, in accordance with this invention, the steps described herein below.
  • a stack 4 of signatures is shifted in the direction indicated by the arrow F. Along a perpendicular direction thereto, designated G, one signature 3 at a time is fed, in a slightly spread condition, to said stack 4 for the augmentation thereof.
  • the signature 3 which has been fed to the stack 4 is then sewn to the signatures in the stack by operation of the needle 10, crochet 11, and shuttle 12 acting therebetween; this results in a row of stitches 5 being formed, specifically a plain stitch section 6 formed by the needle, and a looped stitch section 7 formed by the crochet.
  • the books comprising the stack are isolated from from one another. Accordingly, as the growing stack exits the machine, the books will separate from one another naturally.
  • the method of this invention affords the distinctive advantage of enabling bookbinding in a fully automatic manner, without the intervention of personnel to separate the books from one another.
  • An additional advantage of the method according to this invention is that it may be employed both with books sewn with a blank stitch and without blank stitch.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Led Device Packages (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Collation Of Sheets And Webs (AREA)

Claims (2)

1. Procédé de reliure de livres (2) ayant chacun un nombre défini de cahiers (3) qui comporte les étapes consistant à déplacer une pile (4) de cahiers (3) réunis par couture, à alimenter la pile (4) de cahiers à l'aide d'un cahier (3) à un moment donné pour augmenter la pile, à coudre le cahier (3) ajouté à la pile (4) de cahiers à l'aide de rangées (5) de points de couture d'un fil continu (5a), comportant une section (6) cousue à points ordinaires (8) et une section (7) cousue à points de remaillage (9) obtenues par le déplacement alternatif vers le bas et vers le haut d'un crochet (11) et l'orientation angulaire de ce dernier de manière alternative autour de son axe longitudinal, à couper le fil (5) d'un point ordinaire (8) après chacun des nombres établis de cahiers (3) d'un livre, à accrocher au crochet (11) une boucle (9) de la section (7) cousue à points de remaillage de chaque nombre établi de cahiers (3) d'un livre (2), à lâcher la boucle (9) du crochet (11), caractérisé en ce qu'il comporte en outre les étapes consistant à dégager la boucle (9) vers un croc (14) et à garder la boucle (9) crochetée au croc (14) pendant le mouvement de déplacement de la pile (4) de cahiers, de manière telle que la boucle (9) ne se déplace pas.
2. Procédé de reliure de livres selon la revendication 1, caractérisé en ce que la boucle (9) est lâchée en maintenant, pendant le mouvement vers le bas du crochet (11), la même orientation que dans le mouvement vers le haut du crochet.
EP88830237A 1987-06-09 1988-05-23 Méthode de reliure Expired - Lifetime EP0295220B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88830237T ATE74556T1 (de) 1987-06-09 1988-05-23 Verfahren zum buchbinden.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2083687 1987-06-09
IT20836/87A IT1204699B (it) 1987-06-09 1987-06-09 Metodo per la legatura di libri

Publications (2)

Publication Number Publication Date
EP0295220A1 EP0295220A1 (fr) 1988-12-14
EP0295220B1 true EP0295220B1 (fr) 1992-04-08

Family

ID=11172773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88830237A Expired - Lifetime EP0295220B1 (fr) 1987-06-09 1988-05-23 Méthode de reliure

Country Status (4)

Country Link
EP (1) EP0295220B1 (fr)
AT (1) ATE74556T1 (fr)
DE (1) DE3869838D1 (fr)
IT (1) IT1204699B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5507524A (en) * 1992-12-09 1996-04-16 Grapha-Holding Ag Method and apparatus for producing book blocks from a stack of signatures

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59206104D1 (de) * 1991-09-03 1996-05-30 Grapha Holding Ag Verfahren zum Binden von aus Druckbogen bestehenden Büchern, Zeitschriften oder dgl. und Vorrichtung zu dessen Durchführung
US5887532A (en) * 1996-09-25 1999-03-30 Grapha-Holding Ag Method and apparatus for manufacturing book blocks
EP1847402B1 (fr) 2006-04-20 2010-07-14 Müller Martini Holding AG Appareil pour la fabrication de corps de livre broché
EP2011664B1 (fr) * 2007-07-05 2013-01-09 Müller Martini Holding AG Dispositif destiné à la fabrication de blocs de livres reliés à partir d'une pile de feuilles imprimées empilées les unes sur les autres de manière plate
IT201600076757A1 (it) * 2016-07-21 2018-01-21 Meccanotecnica Spa Cucitura di blocchi libro senza punto a vuoto

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR744098A (fr) * 1933-04-10
US1902864A (en) * 1931-06-04 1933-03-28 Brehmer Geb Method of and mechanism for extracting interconnecting threads between stitched books
US3595183A (en) * 1968-07-24 1971-07-27 North American Rockwell Book sewing machine and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5507524A (en) * 1992-12-09 1996-04-16 Grapha-Holding Ag Method and apparatus for producing book blocks from a stack of signatures

Also Published As

Publication number Publication date
DE3869838D1 (de) 1992-05-14
ATE74556T1 (de) 1992-04-15
IT1204699B (it) 1989-03-10
IT8720836A0 (it) 1987-06-09
EP0295220A1 (fr) 1988-12-14

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