EP0189580B1 - Process for mechanically applying glue to the backs of book blocks - Google Patents
Process for mechanically applying glue to the backs of book blocks Download PDFInfo
- Publication number
- EP0189580B1 EP0189580B1 EP85116259A EP85116259A EP0189580B1 EP 0189580 B1 EP0189580 B1 EP 0189580B1 EP 85116259 A EP85116259 A EP 85116259A EP 85116259 A EP85116259 A EP 85116259A EP 0189580 B1 EP0189580 B1 EP 0189580B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- book block
- book
- adhesive
- speed
- roller
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42C—BOOKBINDING
- B42C9/00—Applying glue or adhesive peculiar to bookbinding
- B42C9/0006—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets
- B42C9/0012—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets with a roller
Definitions
- the invention relates to a mechanical method for applying adhesive to book block spines or the like, with an application roller which rolls with its circumference on the book block spine and thereby transfers an adhesive film.
- elastic profile rollers are used which are adapted to the contour of the book block spine.
- a known adhesive application system provides an application roller which is in contact with a scooping and dosing roller running in a glue reservoir in order to remove an adhesive film from the latter and transfer it to the back of the book block, for which purpose the application roller is timed to the book block transport in the sense of putting on and taking off is movable back and forth to the back of the book block.
- the roller When the applicator roller is placed on the spine of the book block with a flatter profile in relation to the spine shape, the roller leaves a parabolic-glued back surface, i. H. the corners of the back are not given any glue. Conversely, the central area of the back remains without adhesive when the application roller is attached if the latter has a profile that is steeper than the back shape.
- the application roller In order to counteract such non-area-wide gluing, the application roller is often already moved into the lower end position before the book block reaches the roller, which however has the disadvantage that when the roller hits the front edge of the book block, an adhesive bead in front of the cut surface of the book block sets. This effect is intensified to the extent that the concave profile of the application roller produces different peripheral speeds and thus different adhesive application speeds.
- the application roller runs at an orbital speed oriented to its mean diameter, which is generally slightly below the transport speed of the book blocks, with the result that the middle region of the application roller moves at a speed which is lower than the linear speed of the book block, which favors the formation of jams on the cut surface.
- the object of the invention is achieved in that in a method for the mechanical application of adhesive to book block spines or the like.
- the application roller for attachment to the book block spine for a short time an average rotational speed which is higher than the transport speed is driven.
- the applicator roll runs at a 10 - 20% speed increase strength.
- the application roller for setting down the book block spine is driven at an average rotational speed which is lower than the transport speed of the book blocks.
- the method can be used for an adhesive application system with a pivotable application roller as well as for a stationary application roller.
Description
Die Erfindung bezieht sich auf ein maschinelles Verfahren zum Auftragen von Klebstoff auf Buchblockrücken od. dgl., mit einer Auftragswalze, die sich mit ihrem Umfang auf dem Buchblockrücken abwälzt und dabei einen Klebstoffilm überträgt.The invention relates to a mechanical method for applying adhesive to book block spines or the like, with an application roller which rolls with its circumference on the book block spine and thereby transfers an adhesive film.
Zum Beleimen von Buchblockrücken, beispielsweise für die Arbeitsgänge Hinterkleben mit einem Papier oder Anbringen eines Zierbandes am Kopf und Fuß des Buchblocks, verwendet man der Kontur des Buchblockrückens angepaßte elastische Profilwalzen. Ein bekanntes Klebstoffauftragssystem sieht eine Auftragswalze vor, die mit einer in einem Leimreservoir laufenden Schöpf- und Dosierwalze in Kontakt steht, um von dieser einen Klebstoffilm abzunehmen und auf den Buchblockrücken zu übertragen, wozu die Auftragswalze in zeitlicher Abstimmung auf den Buchblocktransport im Sinne eines Anund Absetzens zum Buchblockrücken hin und zurück bewegbar ist.For gluing book block spines, for example for the back-gluing operations with a paper or attaching a decorative ribbon to the head and foot of the book block, elastic profile rollers are used which are adapted to the contour of the book block spine. A known adhesive application system provides an application roller which is in contact with a scooping and dosing roller running in a glue reservoir in order to remove an adhesive film from the latter and transfer it to the back of the book block, for which purpose the application roller is timed to the book block transport in the sense of putting on and taking off is movable back and forth to the back of the book block.
Bei Verwendung von Profilwalzen als Klebstoff- übertragungselement ergibt sich aufgrund einer bekanntlich nicht zu erreichenden exakten Anpassung an die Buchblockrückenkontur die Problematik, daß eine vollflachige Beleimung beim Ansetzen der Walze nicht erreicht werden kann. Eine Übereinstimmung zwischen dem Walzenprofil und der Rückenrundung ist, abgesehen von ungleich ausfallenden oder deformierten Blockrücken, grundsätzlich nicht gegeben, insofern, als aus Kostengründen hinsichtlich Umrüstzeit und Lagerhaltung für verschiedene Rückenformen jeweils ein Walzenprofil zum Einsatz gelangt.When profile rollers are used as the adhesive transfer element, the problem arises due to a known exact adjustment to the book block back contour that full-surface gluing cannot be achieved when the roller is attached. Apart from the unevenly falling or deformed block backs, there is basically no correspondence between the roll profile and the back curvature, insofar as a roll profile is used for different back shapes for cost reasons with regard to changeover time and storage.
Beim Ansetzen der Auftragswalze am Buchblockrücken mit einem bezogen auf die Rückenform flacheren Profil hinterläßt die Walze eine parabelförmig beleimte Rückenfläche, d. h. die Eckbereiche des Rückens erhalten keinen Klebstoffauftrag. Umgekehrt bleibt der Mittelbereich des Rückens ohne Klebstoff beim Ansetzen der Auftragswalze, wenn diese ein gegenüber der Rückenform steileres Profil aufweist.When the applicator roller is placed on the spine of the book block with a flatter profile in relation to the spine shape, the roller leaves a parabolic-glued back surface, i. H. the corners of the back are not given any glue. Conversely, the central area of the back remains without adhesive when the application roller is attached if the latter has a profile that is steeper than the back shape.
Diese unzulängliche Beleimung im Anfangsbereich des Buchblockrückens, die im höchsten Maße unerwünscht ist und zur Qualitätsminderung führt, ist darauf zurückzuführen, daß der Auftragswalze nicht die notwendige Zeit zur Anpassung an die Rückenkontur des durchlaufenden Buchblocks zur Verfügung steht.This inadequate gluing in the initial area of the book block spine, which is highly undesirable and leads to a reduction in quality, is due to the fact that the application roller does not have the time necessary to adapt to the back contour of the continuous book block.
Um einer solchen nicht flächendeckenden Beleimung entgegenzuwirken, wird vielfach die Auftragswalze bereits in die untere Endstellung gefahren, bevor der Buchblock die Walze erreicht, was jedoch den Nachteil in sich birgt, daß sich beim Auftreffen der Walze auf die Buchblockvorderkante eine Klebstoffwulst vor die Schnittfläche des Buchblocks legt. Verstärkt wird dieser Effekt noch insofern, als das konkave Profil der Auftragswalze unterschiedliche Umfangsgeschwindigkeiten und somit unterschiedliche Klebstoffauftragsgeschwindigkeiten erzeugt. In Abhängigkeit von der Lineargeschwindigkeit der Buchblocks läuft die Auftragswalze mit einer auf ihren mittleren Durchmesser orientierten Umlaufgeschwindigkeit, die grundsätzlich geringfügig unter der Transportgeschwindigkeit der Buchblocks liegt, mit der Folge, daß sich der Mittelbereich der Auftragswalze mit einer gegenüber der Lineargeschwindigkeit des Buchblocks verminderten Geschwindigkeit bewegt, was die Staubildung an der Schnittfläche begünstigt.In order to counteract such non-area-wide gluing, the application roller is often already moved into the lower end position before the book block reaches the roller, which however has the disadvantage that when the roller hits the front edge of the book block, an adhesive bead in front of the cut surface of the book block sets. This effect is intensified to the extent that the concave profile of the application roller produces different peripheral speeds and thus different adhesive application speeds. Depending on the linear speed of the book blocks, the application roller runs at an orbital speed oriented to its mean diameter, which is generally slightly below the transport speed of the book blocks, with the result that the middle region of the application roller moves at a speed which is lower than the linear speed of the book block, which favors the formation of jams on the cut surface.
Hier setzt die Erfindung ein, mit der Aufgabe, ein Verfahren zum maschinellen Auftragen von Klebstoff auf Buchblockrücken gemäß der Gattung zu schaffen, das ein gleichmäßiges, vollflächiges Auftragen von Klebstoff auf den Buchblockrücken gewährleistet und die Verschmutzung der am Buchblockrücken angrenzenden Schnittflache durch Klebstoff verhindert.This is where the invention comes in, with the object of creating a method for the mechanical application of adhesive to book block spines of the type which ensures a uniform, full-surface application of adhesive to the book block spine and prevents the cutting surface adjacent to the book block spine from being contaminated by adhesive.
Die Aufgabe der Erfindung wird dadurch gelöst, daß bei einem Verfahren zum maschinellen Auftragen von Klebstoff auf Buchblockrücken od. dgl. mit einer Auftragswalze, die sich mit ihrem Umfang auf dem Buchblockrücken abwälzt und dabei einen Klebstoffilm auftragt, die Auftragswalze zum Ansetzen am Buchblockrücken kurzzeitig mit einer gegenüber der Transportgeschwindigkeit erhöhten mittleren Umlaufgeschwindigkeit angetrieben wird. Vorteilhafterweise läuft die Auftragswalze mit einer 10-20 %igen Geschwindigkeitserhöhung. Gemäß einem weiteren Verfahrensmerkmal wird die Auftragswalze zum Absetzen vom Buchblockrücken mit einer gegenüber der Transportgeschwindigkeit der Buchblocks verringerten mittleren Umlaufgeschwindigkeit angetrieben.The object of the invention is achieved in that in a method for the mechanical application of adhesive to book block spines or the like. With an application roller that rolls with its circumference on the book block spine and thereby applies an adhesive film, the application roller for attachment to the book block spine for a short time an average rotational speed which is higher than the transport speed is driven. Advantageously, the applicator roll runs at a 10 - 20% speed increase strength. According to a further feature of the method, the application roller for setting down the book block spine is driven at an average rotational speed which is lower than the transport speed of the book blocks.
Durch Erhöhung der Umlaufgeschwindigkeit der Auftragswalze im Zeitpunkt des Ansetzens am Buchblockrücken läßt sich eine größere Klebstoffmenge zum Rücken hin zuführen und in der Art eines Breitoder Ausstreich/effektes vollflächig auf dem Buchblockrücken verteilen. Gleichzeitig wird durch die gegenüber dem Buchrücken höhere Umfangsgeschwindigkeit der Auftragswalze ein Klebstoffwulst am Obergang zur Schnittfläche und damit eine Verschmutzung zuverlässig vermieden, da die Walze den Klebstoff von der Schnittfläche wegzieht und ihn nicht aufstaut. Es hat sich dabei gezeigt, daß eine 10-20 %ige Geschwindigkeitserhöhung zu einer optimalen Beleimung führt.By increasing the speed of rotation of the application roller at the time of attachment to the book block spine, a larger amount of adhesive can be fed to the spine and spread over the entire surface of the book block in the manner of a spread or spread / effect. At the same time, due to the higher peripheral speed of the applicator roller compared to the spine of the book, an adhesive bead on the transition to the cut surface and thus contamination is reliably avoided, since the roller pulls the adhesive away from the cut surface and does not build up. It has been shown that a 10-20% increase in speed leads to optimal gluing.
Selbstverständlich läßt sich das Verfahren für ein Klebstoffauftragssystem mit einer verschwenkbaren Auftragswalze sowie für eine ortsfeste Auftragswalze einsetzen.Of course, the method can be used for an adhesive application system with a pivotable application roller as well as for a stationary application roller.
Im Gegensatz zur Geschwindigkeitserhöhung beim Ansetzen der Auftragswalze am Buchblockrücken ist für das Absetzen der Auftragswalze eine Geschwindigkeitsverringerung von entscheidender Bedeutung. Anders als beim Ansetzen wird hiermit eine verminderte Klebstoffzufuhr erreicht sowie ein Zurückhalten des Klebstoffs von der Schnittfläche des Buchblocks. Dadurch wird auch hier eine Verschmutzung der Schnittfläche verhindert.In contrast to the increase in speed when attaching the application roller to the back of the book block, a reduction in speed is of crucial importance for the removal of the application roller. In contrast to the preparation, a reduced adhesive supply is achieved and the adhesive is retained from the cut surface of the book block. This also prevents contamination of the cut surface.
Claims (3)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3502733 | 1985-01-28 | ||
| DE3502733A DE3502733C1 (en) | 1985-01-28 | 1985-01-28 | Process for the mechanical application of glue to book block spines |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0189580A2 EP0189580A2 (en) | 1986-08-06 |
| EP0189580A3 EP0189580A3 (en) | 1988-08-03 |
| EP0189580B1 true EP0189580B1 (en) | 1990-10-03 |
Family
ID=6260945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85116259A Expired - Lifetime EP0189580B1 (en) | 1985-01-28 | 1985-12-19 | Process for mechanically applying glue to the backs of book blocks |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4677005A (en) |
| EP (1) | EP0189580B1 (en) |
| JP (1) | JPH0615270B2 (en) |
| DE (2) | DE3502733C1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19717192A1 (en) * | 1997-04-24 | 1998-10-29 | Kolbus Gmbh & Co Kg | Device for mechanically applying adhesive to the back of book blocks |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5154447B1 (en) * | 1990-11-27 | 1993-10-19 | C. Tooker John | Binding for soft cover books |
| EP1084864B1 (en) * | 1999-09-17 | 2003-11-12 | Grapha-Holding Ag | Gluing device for the application of an adhesive on to the back or bordering areas of a conveyed book block |
| JP5078398B2 (en) * | 2007-03-16 | 2012-11-21 | デュプロ精工株式会社 | Bookbinding equipment |
| CN101686497B (en) | 2008-09-24 | 2013-04-17 | 华为技术有限公司 | Cell load equalization method, and cell load evaluation method and device |
| EP2634007B1 (en) | 2012-02-29 | 2014-07-30 | Müller Martini Holding AG | Method and device for changing an adhesive application roller |
| EP2634008B1 (en) | 2012-02-29 | 2014-07-30 | Müller Martini Holding AG | Method and apparatus for changing an adhesive application roller |
| US10335824B2 (en) | 2016-05-26 | 2019-07-02 | Mueller Martini Holding Ag | Glue application roller for use in a gluing assembly equipped with at least one scooping roller |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2605739A (en) * | 1947-08-26 | 1952-08-05 | Florez Company Inc De | Machine for applying adhesive to the binding edges of books |
| US3326179A (en) * | 1964-07-09 | 1967-06-20 | Smyth Mfg Co | Back gluing mechanism in a book casing-in machine |
| DE1258252B (en) * | 1964-07-27 | 1968-01-04 | Richard Winkler | Device for applying adhesive in machines for producing flat bags, envelopes or the like from paper or similar webs or individual blanks |
| DE2239882C3 (en) * | 1972-08-14 | 1982-01-07 | Rahdener Maschinenfabrik August Kolbus Gmbh & Co Kg, 4993 Rahden | Device for applying adhesive to the spine of a book block or the like. |
| JPS5361457U (en) * | 1976-10-28 | 1978-05-25 | ||
| JPS6237745Y2 (en) * | 1981-05-18 | 1987-09-26 | ||
| JPS5924387U (en) * | 1982-08-07 | 1984-02-15 | 高嶋 イツ子 | Pencil and ballpoint pen holder |
-
1985
- 1985-01-28 DE DE3502733A patent/DE3502733C1/en not_active Expired
- 1985-12-19 EP EP85116259A patent/EP0189580B1/en not_active Expired - Lifetime
- 1985-12-19 DE DE8585116259T patent/DE3580024D1/en not_active Expired - Lifetime
-
1986
- 1986-01-10 JP JP61002339A patent/JPH0615270B2/en not_active Expired - Lifetime
- 1986-01-17 US US06/820,715 patent/US4677005A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19717192A1 (en) * | 1997-04-24 | 1998-10-29 | Kolbus Gmbh & Co Kg | Device for mechanically applying adhesive to the back of book blocks |
| US5988968A (en) * | 1997-04-24 | 1999-11-23 | Kolbus Gmbh & Co, Kg | Method of and apparatus for application of adhesive |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3502733C1 (en) | 1986-02-13 |
| JPS61173996A (en) | 1986-08-05 |
| US4677005A (en) | 1987-06-30 |
| JPH0615270B2 (en) | 1994-03-02 |
| EP0189580A3 (en) | 1988-08-03 |
| EP0189580A2 (en) | 1986-08-06 |
| DE3580024D1 (en) | 1990-11-08 |
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