EP0309732B1 - Large sized arc-shaped foldable article, especially tracing, according to din 824 - Google Patents
Large sized arc-shaped foldable article, especially tracing, according to din 824 Download PDFInfo
- Publication number
- EP0309732B1 EP0309732B1 EP88113749A EP88113749A EP0309732B1 EP 0309732 B1 EP0309732 B1 EP 0309732B1 EP 88113749 A EP88113749 A EP 88113749A EP 88113749 A EP88113749 A EP 88113749A EP 0309732 B1 EP0309732 B1 EP 0309732B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fold
- edge
- foldable article
- margin
- knife
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/28—Folding in combination with cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F3/00—Sheets temporarily attached together involving perforations; Means therefor; Sheet details therefor
- B42F3/003—Perforated or punched sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/16—Rotary folders
Definitions
- the invention relates to large-sized, arched folded goods, in particular a copy of a drawing (blueprint) according to DIN 824, with a perforated binding margin serving for filing at the base fold and with a partial fold above the binding edge which is folded away from the extended outer edge of the binding edge and the binding edge of stacks - And / or free wrinkles that overlap the base fold as a result of transverse folding.
- the partial fold is an oblique fold, which extends upwards from a somewhat point-like attachment on the outer edge of the binding margin, is struck over the adjoining area of the sheet and exposes the perforation of the binding strip when it is folded together with the adjoining sheet section by transverse folding over or under the sheet section adjoining the binding edge.
- the longitudinally and transversely folded folded goods - such as the blueprint of a technical drawing - are stored as a 'package' with the external dimensions of a DIN A4 sheet, e.g. in a file folder, the folded sheet can be unfolded without being removed from its storage state (in which pens or the like of the folder penetrate the perforation).
- the uncovered width of the binding margin depends on the distance of the fold of the diagonal fold from the outside edge of the binding margin in its state folded across the basic fold. This distance is relatively small because of the wedge shape of the oblique fold in its lower region - and thus in the upper region of the binding margin after the transverse folding - and is often not sufficient in particular if a perforation is provided in the binding margin near the upper end of the binding edge an appropriately arranged filing pen of the filing folder is to enforce.
- the invention takes a different approach to solving the problem of sufficiently exposing the binding margin of a folded item, also folded, across the height and width of the binding margin: It provides that a lower edge of the partial fold is formed by a slot from the outer edge approximately parallel to the first transverse fold above the binding edge, the slot having a depth approximately corresponding to the binding edge width and a distance from that transverse fold which is smaller than the distance of the top filing hole from the cross fold.
- the folded material in the area of the transverse fold which is in any case susceptible to tearing, is not additionally weakened by an incision protruding inwards from the outer edge and its notch effect.
- the section of the sheet edge which overlaps the fold of the base fold (not covered by the partial fold) as a result of transverse folding ends at a sufficient distance - seen from the cross fold - before the uppermost perforation of the fold; this must be for security of the folded goods against tearing out have a sufficient distance from the (first) transverse fold forming the upper edge of the folded goods.
- the fold of the partial fold can run parallel to the outer edge, but it can also diverge in the manner of the conventional oblique fold upwards relative to the outer edge, so that the width of the partial fold increases towards the top.
- a rounded free punching can be provided in the cutting area of the lower edge and the folded edge of the partial fold.
- a device according to the invention for the mechanical production of the new partial fold is based on the device known from DE-OS 34 11 740.
- This device which is suitable for the production of a conventional oblique fold, has a pair of rollers, the gap of which lies in the feed path of the folded material, and one roller of which carries a fold break bar, which interacts with flexible material on the counter-roller, the incoming folded material triggering a full rotation of the pair of rollers.
- this device is further developed in that the rollers carry cooperating knives in front of the folded bar in the direction of advance of the folded material, which introduce the slot into the folded material, and of which a knife extends only over a limited angle in the circumferential direction.
- FIG. 1 and 2 show only a section of the sheet 1 (folded goods), specifically from its front area in the feed direction of the treatment run (FIG. 2).
- the front outer edge 3 of the sheet 1 also forms the front boundary of the base fold 1a in the feed direction; their rear, from the first longitudinal fold formed limit is not shown.
- the position of the first transverse fold (introduced later), viewed from the lower sheet edge upwards, is indicated by the dash-dotted line 4.
- FIG. 1 and 2 show - in various embodiments - the formation and position of a partial fold 5, which was formed by introducing a slot 6, which at the same time forms its lower edge 6a, and folding back the front edge section divided thereby about the fold line 7.
- the depth of the slot 6 corresponds at least approximately to the width of a binding margin 8 in the base fold 1a of the sheet 1.
- Holes 9 are provided in the binding margin 8, which, in the usual manner, store the sheet 1 in a file folder o . Like. serve.
- the edge 6b formed by the slot 6 lies at a sufficient distance from the first transverse fold, which is prone to tearing (dash-dotted line 4).
- FIG. 2 shows two different modifications which can also be provided individually.
- the fold line 7 runs parallel to the outer edge 3, it is inclined according to FIG. 2 (in the manner of the conventional oblique folding).
- a rounded relief 10 preventing tearing due to the notch effect is provided in FIG. 2.
- FIG. 6 indicates the arrangement of a fold break bar 17 producing an oblique fold line 7 (FIG. 2). If a partial fold 5 parallel to the outer edge 3 is desired (FIG. 1), the fold break bar 17 must of course run parallel to the axis of the roller 12.
- FIGS. 7 to 9 show the design of the upper knife 15 in detail.
- the latter is only over a limited angle (60 °) formed on a roller ring 18 and in its effective area has the cross-sectional shape of an undercut flange which can be seen in FIG. 9.
- the knife 15 is provided with a run-up section 19; for this purpose it has a curved leading edge 20 (FIG. 7) both in the circumferential direction and a curved leading edge 21 (FIG. 8) in the axial direction.
- annular collar 22 is arranged or formed on the roller 13, which with its chamfer 23 presses the upper knife 15 against the lower knife 16 (FIG. 6).
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- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Instructional Devices (AREA)
- Sheet Holders (AREA)
Description
Die Erfindung betrifft großformatiges, bogenförmiges Faltgut, insbesondere eine Zeichnungskopie (Lichtpause) nach DIN 824, mit einem der Ablage dienenden gelochten Heftrand an der Grundfalte und mit einer Teilfalte oberhalb des Heftrandes, welche von der verlängerten Außenkante des Heftrandes weggeklappt ist und den Heftrand von Stapel- und/oder Restfalten freihält, die die Grundfalte infolge Querfaltung überlappen.The invention relates to large-sized, arched folded goods, in particular a copy of a drawing (blueprint) according to DIN 824, with a perforated binding margin serving for filing at the base fold and with a partial fold above the binding edge which is folded away from the extended outer edge of the binding edge and the binding edge of stacks - And / or free wrinkles that overlap the base fold as a result of transverse folding.
Gemäß DIN 824 ist die Teilfalte eine Schrägfalte, welche sich von einem gewissermaßen punktförmigen Ansatz an der Außenkante des Heftrandes nach oben erweitert, über den anschließenden Bereich des Bogens geschlagen ist und die Lochung des Heftstreifens freilegt, wenn sie zusammen mit dem anschließenden Bogenabschnitt durch Querfaltung über oder unter den an den Heftrand anschließenden Bogenabschnitt gefaltet wird. Wenn dann das längs- und quergefaltete Faltgut - etwa die Lichtpause einer technischen Zeichnung - als 'Paket' mit den Außenmaßen eines DIN A4-Blattes z.B. in einem Aktenordner abgelegt wird, kann der gefaltete Bogen aufgefaltet werden, ohne daß er aus seinem Ablagezustand (in welchem Stifte o.ä. des Ordners die Lochung durchdringen) herausgelöst wird.According to DIN 824, the partial fold is an oblique fold, which extends upwards from a somewhat point-like attachment on the outer edge of the binding margin, is struck over the adjoining area of the sheet and exposes the perforation of the binding strip when it is folded together with the adjoining sheet section by transverse folding over or under the sheet section adjoining the binding edge. If the longitudinally and transversely folded folded goods - such as the blueprint of a technical drawing - are stored as a 'package' with the external dimensions of a DIN A4 sheet, e.g. in a file folder, the folded sheet can be unfolded without being removed from its storage state (in which pens or the like of the folder penetrate the perforation).
Obwohl die Schrägfaltung seit Jahrzehnten zu diesem Zweck bei Zeichnungspausen eingesetzt wird, ist stets bemängelt worden, daß sie ihre vorstehend geschilderte Aufgabe nur unvollkommen erfüllt. Denn die freigelegte Breite des Heftrandes hängt davon ab, welchen Abstand der Falz der Schrägfalte in deren quer über die Grundfalte gefalteten Zustand von der Außenkante des Heftrandes hat. Dieser Abstand ist wegen der Keilform der Schrägfalte in ihrem unteren Bereich - und damit im oberen Bereich des Heftrandes nach der Querfaltung - relativ klein und reicht häufig insbesondere dann nicht aus, wenn auch nahe dem oberen Ende des Heftrandes eine Lochung im Heftrand vorgesehen ist, die ein entsprechend angeordneter Abheftstift des Ablageordners durchsetzen soll.Although oblique folding has been used for this purpose in drawing breaks for decades, it has always been criticized that it only fulfills the task described above incompletely. Because the uncovered width of the binding margin depends on the distance of the fold of the diagonal fold from the outside edge of the binding margin in its state folded across the basic fold. This distance is relatively small because of the wedge shape of the oblique fold in its lower region - and thus in the upper region of the binding margin after the transverse folding - and is often not sufficient in particular if a perforation is provided in the binding margin near the upper end of the binding edge an appropriately arranged filing pen of the filing folder is to enforce.
Deshalb sind immer wieder Alternativen zur Schrägfalte vorgeschlagen worden, welche in DIN 824 auch erwähnt sind. So hat man beispielsweise den Bogen oberhalb des Heftrandes (der Grundfalte) von der Außenkante her über eine der Heftrandbreite entsprechende Breite ausgeschnitten, den Bogen also in Verlängerung des Heftrandes oberhalb der Grundfalte entfernt. Abgesehen davon, daß ein solcher Bearbeitungsschritt namentlich in automatischen Lichtpaus-und Falzstraßen Schwierigkeiten machte, bestehen Nachteile dieses Vorgehens zum einen darin, daß mit dem abgeschnittenen Bogenteil möglicherweise darauf befindliche Informationen wegfallen, und ferner darin, daß beim späteren Auffalten der Bogen einreißt, weil die Ausklinkung im Querfalz ansetzt.For this reason, alternatives to the oblique fold have repeatedly been proposed, which are also mentioned in DIN 824. For example, you have the sheet above the binding margin (the base fold) of the The outer edge is cut out over a width corresponding to the width of the binding margin, ie the sheet is removed as an extension of the binding margin above the base fold. In addition to the fact that such a processing step was particularly difficult in automatic blueprint and folding lines, the disadvantages of this procedure are that information which may be present on the cut sheet part is lost, and further that the sheet tears when the sheet is later folded up because the sheet is cut Notching in the cross fold starts.
Zur Lösung der Aufgabe, den Heftrand eines auch quergefalteten Faltguts über die Höhe und Breite des Heftrandes ausreichend freizulegen, geht die Erfindung einen anderen Weg:
Sie sieht vor, daß eine Unterkante der Teilfalte durch einen Schlitz von der Außenkante etwa parallel zur ersten Querfaltung oberhalb des Heftrandes gebildet ist, wobei der Schlitz eine etwa der Heftrandbreite entsprechende Tiefe und einen Abstand von jener Querfaltung hat, welcher kleiner ist als der Abstand des obersten Abheftloches von der Querfaltung. Auf diese Weise wird das Faltgut im Bereich der ohnehin rißgefährdeten Querfaltung nicht durch einen von der Außenkante nach innen ragenden Einschnitt und dessen Kerbwirkung zusätzlich geschwächt. Andererseits endet der infolge Querfaltung den Heftrand der Grundfalte überlappende (von der Teilfalte nicht erfaßte) Abschnitt des Bogenrandes oberhalb des Heftrandes der Grundfalte in ausreichender Entfernung - von der Querfalte her gesehen - vor der obersten Lochung des Heftrandes; diese muß zur Sicherung des Faltgutes gegen Ausreißen ja einen ausreichenden Abstand von der die Oberkante des Faltgutes bildenden (ersten) Querfaltung haben.The invention takes a different approach to solving the problem of sufficiently exposing the binding margin of a folded item, also folded, across the height and width of the binding margin:
It provides that a lower edge of the partial fold is formed by a slot from the outer edge approximately parallel to the first transverse fold above the binding edge, the slot having a depth approximately corresponding to the binding edge width and a distance from that transverse fold which is smaller than the distance of the top filing hole from the cross fold. In this way, the folded material in the area of the transverse fold, which is in any case susceptible to tearing, is not additionally weakened by an incision protruding inwards from the outer edge and its notch effect. On the other hand, the section of the sheet edge which overlaps the fold of the base fold (not covered by the partial fold) as a result of transverse folding ends at a sufficient distance - seen from the cross fold - before the uppermost perforation of the fold; this must be for security of the folded goods against tearing out have a sufficient distance from the (first) transverse fold forming the upper edge of the folded goods.
Der Falz der Teilfalte kann parallel zur Außenkante verlaufen, er kann aber auch nach Art der herkömmlichen Schrägfalte nach oben gegenüber der Außenkante divergieren, so daß die Breite der Teilfalte nach oben hin zunimmt.The fold of the partial fold can run parallel to the outer edge, but it can also diverge in the manner of the conventional oblique fold upwards relative to the outer edge, so that the width of the partial fold increases towards the top.
Um die Einreißgefahr am Ansatz der Teilfalte weiter zu verringern, kann im Schnittbereich von Unterkante und Faltkante der Teilfalte eine ausgerundete Freistanzung vorgesehen sein.In order to further reduce the risk of tearing at the beginning of the partial fold, a rounded free punching can be provided in the cutting area of the lower edge and the folded edge of the partial fold.
Eine erfindungsgemäße Vorrichtung zum maschinellen Herstellen der neuen Teilfalte geht von der aus der DE-OS 34 11 740 bekannten Vorrichtung aus. Diese zur Herstellung einer herkömmlichen Schrägfalte geeignete Vorrichtung hat ein Walzenpaar, dessen Spalte im Vorschubweg des Faltgutes liegt, und dessen eine Walze eine Falzbruchleiste trägt, welche mit nachgiebigem Material auf der Gegenwalze zusammenwirkt, wobei das einlaufende Faltgut eine volle Umdrehung des Walzenpaares auslöst.A device according to the invention for the mechanical production of the new partial fold is based on the device known from DE-OS 34 11 740. This device, which is suitable for the production of a conventional oblique fold, has a pair of rollers, the gap of which lies in the feed path of the folded material, and one roller of which carries a fold break bar, which interacts with flexible material on the counter-roller, the incoming folded material triggering a full rotation of the pair of rollers.
Erfindungsgemäß ist diese Vorrichtung dadurch weitergebildet, daß die Walzen in Vorschubrichtung des Falzgutes vor der Falzbruchleiste zusammenwirkende Messer tragen, welche den Schlitz in das Faltgut einbringen, und von denen sich ein Messer nur über einen begrenzten Winkel in Umfangsrichtung erstreckt.According to the invention, this device is further developed in that the rollers carry cooperating knives in front of the folded bar in the direction of advance of the folded material, which introduce the slot into the folded material, and of which a knife extends only over a limited angle in the circumferential direction.
Vorteilhafte Weiterbildungen dieser Vorrichtung sind Gegenstand weiterer Unteransprüche.Advantageous developments of this device are the subject of further dependent claims.
Die Zeichnungen veranschaulichen die Erfindung an einem Ausführungsbeispiel, und zwar zeigt:
- Fig. 1
- in Draufsicht einen Ausschnitt des Bogens mit umgelegter Teilfalte, und zwar den oberen Bereich der Grundfalte mit dem Heftrand und den oben anschließenden unteren Bereich der Teilfalte (letzterer gestrichelt nach Querfaltung um den strichpunktierten Querfalz);
- Fig. 2
- eine der Fig. 1 entsprechende Darstellung einer abgewandelten Ausführungsform;
- Fig. 3
- einen Querschnitt durch das das Schlitzen und Falzen bewirkende Walzenpaar der erfindungsgemäßen Vorrichtung, und zwar in der Ruhestellung des Walzenpaares bzw. bei Beginn seines Arbeitszyklus';
- Fig. 4
- eine der Fig. 3 entsprechende Darstellung des Walzenpaares bei Beendigung des Schlitzvorganges;
- Fig. 5
- eine in die Zeichenebene gedrehte ausschnittsweise Draufsicht auf den (gemäß Fig. 4) geschlitzten Bogen;
- Fig. 6
- eine in Vorschubrichtung des Bogens gesehene Ansicht des Walzenpaares im Zustand gemäß Fig. 4;
- Fig. 7
- eine den Ansichten der Fig. 3 und 4 entsprechende Seitenansicht des Obermessers;
- Fig. 8
- eine Ansicht des Obermessers von unten, in Richtung des Pfeiles X in Fig. 7; und
- Fig. 9
- einen Schnitt durch den das Obermesser tragenden Walzenring.
- Fig. 1
- a top view of a section of the sheet with the folded partial fold, namely the upper area of the base fold with the binding margin and the lower area of the partial fold adjoining at the top (the latter being dashed after transverse folding around the dash-dotted transverse fold);
- Fig. 2
- 1 corresponding representation of a modified embodiment;
- Fig. 3
- a cross section through the slitting and folding roller pair of the device according to the invention, in the rest position of the roller pair or at the beginning of its working cycle ';
- Fig. 4
- a representation corresponding to Figure 3 of the pair of rollers at the end of the slitting process.
- Fig. 5
- a partial plan view of the slotted sheet (according to FIG. 4), rotated into the plane of the drawing;
- Fig. 6
- a view seen in the feed direction of the sheet of the pair of rollers in the state shown in FIG. 4;
- Fig. 7
- a side view of the upper knife corresponding to the views of Figures 3 and 4;
- Fig. 8
- a view of the upper knife from below, in the direction of arrow X in Fig. 7; and
- Fig. 9
- a section through the roller ring carrying the upper knife.
Die Fig. 1 und 2 zeigen nur einen Ausschnitt des Bogens 1 (Faltgut) und zwar aus dessen vorderem Bereich in der Vorschubrichtung des Behandlungsdurchlaufes (Fig. 2). Die vordere Außenkante 3 des Bogens 1 bildet zugleich die in Vorschubrichtung vordere Begrenzung der Grundfalte 1a; deren hintere, von der ersten Längsfaltung gebildete Begrenzung ist nicht dargestellt. Die Lage der (später eingebrachten), von der unteren Bogenkante nach oben gesehen ersten Querfaltung ist durch die strichpunktierte Linie 4 angegeben.1 and 2 show only a section of the sheet 1 (folded goods), specifically from its front area in the feed direction of the treatment run (FIG. 2). The front
Die Fig. 1 und 2 zeigen - in verschiedenen Ausführungsformen - die Ausbildung und Lage einer Teilfalte 5, welche durch Einbringen eines zugleich ihre Unterkante 6a bildenden Schlitzes 6 und Rückklappen des dadurch abgeteilten Vorderrandabschnitts um die Falzlinie 7 gebildet wurde. Die Tiefe des Schlitzes 6 (gegen die Richtung des Pfeiles 2) entspricht zumindest annähernd der Breite eines Heftrandes 8 in der Grundfalte 1a des Bogens 1. Im Heftrand 8 sind Löcher 9 vorgesehen, welche in üblicher Weise der Ablage des Bogens 1 in einem Aktenordner o.dgl. dienen. Nach dem Querfalten des Bogens 1 um die strichpunktierte Linie 4 (erste Querfaltung) liegt die Teilfalte so oberhalb bzw. unterhalb der Grundfalte, daß der Heftrand 8 der Grundfalte frei bleibt. Gleichwohl liegt die vom Schlitz 6 gebildete Kante 6b in ausreichendem Abstand von der einreißgefährdeten ersten Querfaltung (strichpunktierte Linie 4).1 and 2 show - in various embodiments - the formation and position of a
Gegenüber der Ausführungsform in Fig. 1 zeigt diejenige der Fig. 2 zwei unterschiedliche, auch einzeln vorzusehende Abwandlungen. Während gemäß Fig. 1 die Falzlinie 7 parallel zur Außenkante 3 verläuft, ist sie gemäß Fig. 2 (nach Art der herkömmlichen Schrägfaltung) schräg gelegt. Außerdem ist in Fig. 2 eine das Einreißen aufgrund Kerbwirkung verhindernde ausgerundete Freistanzung 10 vorgesehen.Compared to the embodiment in FIG. 1, that of FIG. 2 shows two different modifications which can also be provided individually. 1, the
Die Fig. 3 und 4 zeigen die wesentlichen Komponenten einer Vorrichtung zum maschinellen Herstellen der Teilfalte 5; ergänzend ist auf die Beschreibung der DE-OS 34 11 740 anhand der dortigen Zeichnungen zu verweisen. In den Walzenspalt 11 eines aus den Walzen 12 und 13 gebildeten Walzenpaares läuft in der Vorschubrichtung (Pfeil 2) der Bogen 1 mit seiner vorderen Außenkante 3 ein. Im Betriebszustand der Fig. 3 passiert die Kante 3 soeben den Sensor 14, welcher einen Arbeitszyklus der Walzen 12, 13 in Form einer einzigen vollen Umdrehung auslöst; in Fig. 3 befinden sich die Walzen 12, 13 gerade noch in ihrer Ruhestellung. Die an den Walzen 12, 13 befindlichen Messer 15 bzw. 16 (vgl. Fig. 6 bis 9) bringen in den vorderen Bereich des Bogens 1 den Schlitz 6 ein, wie dies Fig. 5 verdeutlicht. In Fig. 4 ist der Schlitz 6 gerade vollendet; das Obermesser 15 kommt vom Untermesser 16 frei, und der anschließende Bogen 1 kann den Walzenspalt 11 der Walzen 12, 13 frei passieren. Gleichzeitig mit dem Ende der Bildung des Schlitzes 6 erfolgt oder beginnt jedoch das Einbringen des Falzes 7, und zwar in der gleichen Weise, wie dies in der DE-OS 34 11 740 beschrieben ist. Fig. 6 deutet die Anordnung einer eine schräge Falzlinie 7 (Fig. 2) herstellenden Falzbruchleiste 17 an. Sofern eine zur Außenkante 3 parallele Teilfalte 5 gewünscht wird (Fig. 1), muß die Falzbruchleiste 17 natürlich parallel zur Achse der Walze 12 verlaufen.3 and 4 show the essential components of a device for the mechanical production of the
Während Fig. 6 u.a. die etwa tellerförmige und ringflanschartige Ausbildung des Gegen- oder Untermessers 16 an der Walze 13 deutlich macht, zeigen die Fig. 7 bis 9 die Ausbildung des Obermessers 15 im einzelnen. Letzteres ist nur über einen begrenzten Winkel (60°) an einem Walzenring 18 ausgebildet und hat in seinem Wirkbereich die der Fig. 9 entnehmbare Querschnittsform eines hinterschnittenen Flansches. In Richtung des Anlaufens an das Gegenmesser 16 ist das Messer 15 mit einem Anlaufabschnitt 19 versehen; es hat zu diesem Zweck sowohl in Umfangsrichtung eine gekrümmte Anlaufkante 20 (Fig. 7) als auch in Achsrichtung eine gekrümmte Anlaufkante 21 (Fig. 8).6 shows, inter alia, the approximately plate-shaped and annular flange-like design of the counter or
Neben dem das Untermesser 16 bildenden Walzenring 18 ist auf der Walze 13 ein Ringbund 22 angeordnet oder ausgebildet, welcher mit seiner Fase 23 das Obermesser 15 gegen das Untermesser 16 drückt (Fig. 6).In addition to the
Claims (9)
- A large-sized sheet-like foldable article, especially a tracing (blueprint) according to DIN 824, having a perforated margin at the main fold used for filing and having a partial fold above the margin, which is swung away from the extended outer edge of the margin and keeps the margin clear from the stacking and/or remaining folds, which overlap the main fold as a result of transverse folding,
characterised in that a lower edge (6a) of the partial fold (5) is formed by a slit (6) from the outer edge (3) roughly parallel to the first transverse fold (line 4) above the margin (8), the slit (6) having a depth roughly corresponding to the width of the margin and a distance from that transverse fold (line 4), which is smaller than the distance of the uppermost punch hole (9) from the transverse fold (line 4). - A foldable article according to Claim 1,
characterised in that the folding edge (7) of the partial fold (5) runs parallel to the outer edge (3). - A foldable article according to Claim 1,
characterised in that the folding edge (7) of the partial fold (5) has a distance from the outer edge (3) which increases with its distance from its lower edge (6a). - A foldable article according to any one of the preceding Claims,
characterised in that in the intersection region of the lower edge (6a) and the folding edge (7) of the partial fold (5) a rounded open perforation (10) is provided. - A device for the mechanised manufacture of the partial fold according to Claim 1 or one of the following Claims 2-4 having a pair of rollers, the slot of which lies in the feed path of the foldable article, and one roll of which supports a folding rail, which cooperates with flexible material on the counter roll, the incoming foldable article triggering a complete rotation of the pair of rollers,
characterised in that the rollers (12, 13) support knives (15, 16) cooperating in the feed direction (arrow 2) of the foldable article (sheet 1) in front of the folding rail (17), which produce the slit (6) in the foldable article (sheet 1), and one knife (15) of which extends just over a limited angle in the circumferential direction of the roller (12). - A device according to Claim 5,
characterised in that the knife (15) limited in the circumferential direction comprises a curved stop edge (20, 21) and has the shape of a partially circular, undercut flange. - A device according to Claim 5 or 6,
characterised in that the counter-knife (16) has the form of a roller ring with a plate-like recess. - A device according to Claims 6 and 7,
characterised in that a collar (22) disposed next to the roller ring having a chamfer (23) forces the partially circular knife (15) against the counter-knife (16). - A device according to Claim 5 or one of the following Claims,
characterised in that the rollers (12, 13) support a punching tool to form the open perforation (10).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873732736 DE3732736A1 (en) | 1987-09-29 | 1987-09-29 | LARGE-FORMAT, BOW-SHAPED FOLDED GOODS, IN PARTICULAR DRAWING COPY (LIGHT PAUSE) ACCORDING TO DIN 824 |
DE3732736 | 1987-09-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0309732A2 EP0309732A2 (en) | 1989-04-05 |
EP0309732A3 EP0309732A3 (en) | 1990-07-04 |
EP0309732B1 true EP0309732B1 (en) | 1993-03-03 |
Family
ID=6337099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88113749A Expired - Lifetime EP0309732B1 (en) | 1987-09-29 | 1988-08-24 | Large sized arc-shaped foldable article, especially tracing, according to din 824 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0309732B1 (en) |
DE (2) | DE3732736A1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1812557C3 (en) * | 1968-12-04 | 1974-10-17 | Harri 5606 Gruiten Mones | Machine for zigzag folding of sheets, especially sheets of paper |
DE3411740A1 (en) * | 1984-03-30 | 1985-10-10 | Meteor-Siegen Apparatebau Paul Schmeck Gmbh, 5900 Siegen | DEVICE FOR MACHINING A SLOPE AT THE BEGINNING OF A CONTINUOUS PAPER |
DE3411739A1 (en) * | 1984-03-30 | 1985-10-10 | Meteor-Siegen Apparatebau Paul Schmeck Gmbh, 5900 Siegen | METHOD AND DEVICE FOR THE MACHINE FOLDING OF SHEETS, LIKE DRAWING PASSES OR THE LIKE |
-
1987
- 1987-09-29 DE DE19873732736 patent/DE3732736A1/en not_active Withdrawn
-
1988
- 1988-08-24 DE DE8888113749T patent/DE3878807D1/en not_active Expired - Fee Related
- 1988-08-24 EP EP88113749A patent/EP0309732B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0309732A2 (en) | 1989-04-05 |
DE3732736A1 (en) | 1989-04-13 |
DE3878807D1 (en) | 1993-04-08 |
EP0309732A3 (en) | 1990-07-04 |
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