EP0630760A1 - Device for binding an assembly of punched paper sheets - Google Patents
Device for binding an assembly of punched paper sheets Download PDFInfo
- Publication number
- EP0630760A1 EP0630760A1 EP94107515A EP94107515A EP0630760A1 EP 0630760 A1 EP0630760 A1 EP 0630760A1 EP 94107515 A EP94107515 A EP 94107515A EP 94107515 A EP94107515 A EP 94107515A EP 0630760 A1 EP0630760 A1 EP 0630760A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pin
- thread
- nut element
- nut
- mold
- 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
Links
- 229920002457 flexible plastic Polymers 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Images
Classifications
-
- 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
- B42F3/04—Attachment means of ring, finger or claw form
Definitions
- the invention relates to a device for combining punched papers into stacks.
- Computer lists are printed on continuous paper that is folded in a zigzag pattern and has perforations at the edges for transporting the paper. In order to be able to hold these stacks together, it is known to arrange strings or the like. to be used, which are inserted through a hole in all sheets.
- pin-like elements which have a circumferential sawtooth-like profile (DE-U-8203163). These are also inserted through the holes and secured on the opposite side by a slid-on washer. This can be pushed over the teeth or ribbing and is held in place by the ribs. Because of their symmetrical shape, these pins have the advantage that they can be easily produced in a divided form by injection molding from plastic and can be easily removed from the form. However, they have the disadvantage that removing the disk is virtually impossible. In addition, due to the spacing of the ribs, the disk can only be attached at discrete locations, so that the tension created by the pins may not be sufficient to secure the stack correctly.
- the invention has for its object to provide a simple and inexpensive device in large quantities of the type mentioned, which allows the device to be released and also allows a precisely adjustable holding force.
- the invention proposes a device with the features of claim 1. Developments of the invention are the subject of the dependent claims.
- the inventor of the present application has found that it is possible to produce a thread that can be removed from the mold even with a split mold.
- the thread of the nut element has a single thread.
- the shape for producing the nut element can be made particularly simple, since only a single stamp must be present from both sides.
- the nut element is formed on the tip of the pin via a tear-off point.
- the axis of the internal thread of the nut element is perpendicular to the axis of the pin.
- the thread is a round thread, in which the threads therefore have rounded flanks in a longitudinal section. It can be provided according to the invention that the threads are flattened in the parting plane of the two mold halves.
- the pin has an approximately elliptical cross section in its section having the thread.
- the major axis of the ellipse lies in the separating surface of the two parts of the parts of the mold.
- the device shown in the figures contains a pin element 1 with a head 2 in the form of a flat disk which is formed on one end of a shaft 3.
- the shaft has an external thread 4.
- the external thread which is only partially indicated in FIG. 1, extends over almost the entire length of the shaft 3.
- a nut element 6 is formed on the tip of the pin 1 via a narrow band 5, which forms a weak point. Similar to the head 2, the nut element 6 has a disk shape with essentially the same diameter as this. It contains a central hole 7 with an internal thread is provided. The axis of this hole is perpendicular to the plane of the paper and perpendicular to the longitudinal axis of the shaft 3.
- the device is injection molded in one piece from plastic in a two-part mold in the manner shown in FIG. 1, the separating surface between the two molded parts lying in the plane of the paper.
- the device can be removed from the mold by simply opening the mold.
- the nut element has an edge flange 8 which is widened in height and the hole 7 surrounding an inner flange 9 of the same width.
- An internal thread 10 is formed in the hole 7 and has a single thread. The profile shape of the thread is rounded, as can be seen on the right and left edge of the hole 7 in Fig. 2.
- FIG. 3 now shows a partial view of the pin element 1 on an enlarged scale, the view from a direction transverse to the separating surface between the two shapes being shown.
- the threads of the external thread 4 have a semicircular profile, the thread tips between the recesses being flattened.
- the outer sides 11 of the threads run in a straight line in the longitudinal direction of the shaft 3.
- Fig. 4 shows the same positions of the pin from a direction rotated by 90 °.
- the outer sides 12 of the threads are rounded in the same way as the recesses 13. It is therefore a round thread with a relatively wide thread back.
- the device can be injection molded from a plastic material, in particular polypropylene, in a mold divided along a surface, in particular a plane, and removed from it by opening the mold.
- the device is sold in the form shown in FIG. 1.
- the user engages the pin and tears off the nut member 6 from the pin. This is made possible by the weak point formed by the narrow band 5. He then sticks the pin from one side through the holes of the sheet stack one above the other and screws the nut element onto the pin from the other side.
- the pin can be brought into any position along the longitudinal axis of the pin.
- the outer edge of the edge flange 8 can be provided with knurling 13 in order to facilitate screwing on.
- the nut element can also be unscrewed from the pin again and the pin can be removed from the holes. This enables the sheet stack to be opened again.
- the pin element is made of a flexible plastic. This not only makes it easier to thread into a stack of sheets whose holes are not fully aligned, but also facilitates removal from the manufacturing mold. The flexibility is also possible, among other things, because the pin element is not subjected to thrust, but at most to tension.
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Sheet Holders (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Zusammenfassung gelochter Papiere zu Stapeln.The invention relates to a device for combining punched papers into stacks.
Computerlisten werden auf zickzackförmig gefaltetem Endlospapier gedruckt, das eine Randlochung zum Transport des Papiers aufweist. Um diese Stapel zusammenhalten zu können, ist es bekannt, Aufreihbänder o.dgl. zu verwenden, die durch ein Loch aller Blätter hindurchgesteckt werden.Computer lists are printed on continuous paper that is folded in a zigzag pattern and has perforations at the edges for transporting the paper. In order to be able to hold these stacks together, it is known to arrange strings or the like. to be used, which are inserted through a hole in all sheets.
Es ist bekannt, hierzu flexible Bänder zu verwenden, deren Enden ähnlich wie bei Verschlußbändern miteinander verbunden werden.It is known to use flexible tapes for this purpose, the ends of which are connected to one another in a manner similar to closure tapes.
Ebenfalls bekannt sind stiftartige Elemente, die eine umlaufende sägezahnartige profilierung aufweisen (DE-U-8203163). Diese werden ebenfalls durch die Löcher hindurchgesteckt und auf der gegenüberliegenden Seite durch eine aufgeschobene Scheibe gesichert. Diese läßt sich über die Verzahnung bzw. Verrippung aufschieben und wird durch die Rippen festgehalten. Diese Stifte haben aufgrund ihrer symmetrischen Form den Vorteil, daß sie sich einfach in einer geteilten Form durch Spritzen aus Kunststoff herstellen und einfach aus Form entnehmen lassen. Sie besitzen jedoch den Nachteil, daß das Abnehmen der Scheibe so gut wie ausgeschlossen ist. Darüber hinaus läßt sich die Scheibe aufgrund des Abstands der Verrippungen nur an diskreten Stellen anbringen, so daß unter Umständen die durch die Stifte hergestellte Spannung nicht ausreicht, den Stapel korrekt zu sichern.Also known are pin-like elements which have a circumferential sawtooth-like profile (DE-U-8203163). These are also inserted through the holes and secured on the opposite side by a slid-on washer. This can be pushed over the teeth or ribbing and is held in place by the ribs. Because of their symmetrical shape, these pins have the advantage that they can be easily produced in a divided form by injection molding from plastic and can be easily removed from the form. However, they have the disadvantage that removing the disk is virtually impossible. In addition, due to the spacing of the ribs, the disk can only be attached at discrete locations, so that the tension created by the pins may not be sufficient to secure the stack correctly.
Es ist schon versucht worden, aus Kunststoff bestehende Schrauben in einer Form zu spritzen. Dabei muß jedoch zum Entformen die Kunststoffschraube aus der Form herausgeschraubt werden. Dies ist nur bei Schrauben bestimmter Festigkeit und Abmessungen möglich und verteuert natürlich den Herstellungsvorgang.Attempts have been made to inject plastic screws in a mold. However, the plastic screw must be unscrewed from the mold for demolding. This is only possible with screws of certain strength and dimensions and, of course, makes the manufacturing process more expensive.
Der Erfindung liegt die Aufgabe zugrunde, eine einfach aufgebaute und kostengünstig, in großen Stückzahlen herstellbare Vorrichtung der eingangs genannten Art zu schaffen, die ein Lösen der Vorrichtung zuläßt und darüber hinaus eine genau einstellbare Haltekraft ermöglicht.The invention has for its object to provide a simple and inexpensive device in large quantities of the type mentioned, which allows the device to be released and also allows a precisely adjustable holding force.
Zur Lösung dieser Aufgabe schlägt die Erfindung eine Vorrichtung mit den Merkmalen des Anspruchs 1 vor. Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.To achieve this object, the invention proposes a device with the features of claim 1. Developments of the invention are the subject of the dependent claims.
Der Erfinder der vorliegenden Anmeldung hat herausgefunden, daß es möglich ist, auch bei einer geteilten Form ein Gewinde herzustellen, das sich entformen läßt.The inventor of the present application has found that it is possible to produce a thread that can be removed from the mold even with a split mold.
In Weiterbildung der Erfindung schlägt diese vor, daß das Stiftelement und das Mutterelement einstückig herstellbar sind. Dies ist für die Herstellung und den Verkauf natürlich besonders wichtig, da ja zu einem Stift auch immer ein Mutternelement gehört und die gemeinsame Herstellung auch ohne zusätzliche Schritte eine gemeinsame Verpackung möglich macht.In a development of the invention, this proposes that the pin element and the nut element can be produced in one piece. This is natural for the manufacture and sale Particularly important, since a nut always belongs to a pen and the joint production also enables common packaging without additional steps.
Erfindungsgemäß kann vorgesehen sein, daß das Gewinde des Mutternelementes einen einzigen Gewindegang aufweist. In diesem Fall läßt sich die Form zur Herstellung des Mutternelements besonders einfach ausgestalten, da von beiden Seiten nur jeweils ein einziger Stempel vorhanden sein muß.According to the invention it can be provided that the thread of the nut element has a single thread. In this case, the shape for producing the nut element can be made particularly simple, since only a single stamp must be present from both sides.
Erfindungsgemäß kann in Weiterbildung der Erfindung vorgesehen sein, daß das Mutternelement an der Spitze des Stifts über eine Abreißstelle angeformt ist.According to the invention, in a further development of the invention it can be provided that the nut element is formed on the tip of the pin via a tear-off point.
Es kann dabei vorgesehen sein, daß die Achse des Innengewindes des Mutternelementes senkrecht zur Achse des Stiftes verläuft.It can be provided that the axis of the internal thread of the nut element is perpendicular to the axis of the pin.
Zur verbesserten Fähigkeit zur Entformung kann vorgesehen sein, daß das Gewinde ein Rundgewinde ist, bei dem also in einem Längsschnitt die Gewindegänge abgerundete Flanken aufweisen. Es kann erfindungsgemäß vorgesehen sein, daß die Gewindegänge in der Trennebene der beiden Formhälften abgeflacht sind.To improve the ability to demold, it can be provided that the thread is a round thread, in which the threads therefore have rounded flanks in a longitudinal section. It can be provided according to the invention that the threads are flattened in the parting plane of the two mold halves.
Zur nochmals verbesserten Herstellungsmöglichkeit kann erfindungsgemäß vorgesehen sein, daß der Stift in seinem das Gewinde aufweisenden Abschnitt einen angenähert elliptischen Querschnitt aufweist. Insbesondere kann dabei vorgesehen sein, daß die große Achse der Ellipse in der Trennfläche der beiden Teile der Teile der Form liegt.To further improve the manufacturing possibility, it can be provided according to the invention that the pin has an approximately elliptical cross section in its section having the thread. In particular, it can be provided that the major axis of the ellipse lies in the separating surface of the two parts of the parts of the mold.
Weitere Merkmale, Einzelheiten und Vorzüge ergeben sich aus den Patentansprüchen, deren Wortlaut durch Bezugnahme zum Inhalt der Beschreibung gemacht wird, der folgenden Beschreibung einer bevorzugten Ausführungsform der Erfindung sowie anhand der Zeichnung. Hierbei zeigen:
- Fig. 1
- eine Seitenansicht der von der Erfindung vorgeschlagenen Vorrichtung in fertiggestelltem Zustand;
- Fig. 2
- in vergrößertem Maßstab einen Querschnitt durch das Mutternelement längs Linie II-II in Fig. 1;
- Fig. 3
- in vergrößertem Maßstab eine Seitenansicht des Stiftes in der Trennfläche der beiden Formhälften;
- Fig. 4
- eine Seitenansicht des Stiftes aus einer gegenüber Fig. 3 um 90°versetzten Richtung.
- Fig. 1
- a side view of the device proposed by the invention in the finished state;
- Fig. 2
- on an enlarged scale a cross section through the nut element along line II-II in Fig. 1;
- Fig. 3
- an enlarged side view of the pin in the interface of the two mold halves;
- Fig. 4
- a side view of the pin from a direction offset by FIG. 3 by 90 °.
Die in den Figuren dargestellte Vorrichtung enthält ein Stiftelement 1 mit einem Kopf 2 in Form einer flachen Scheibe, die an einem Ende eines Schafts 3 angeformt ist. Der Schaft weist ein Außengewinde 4 auf. Das Außengewinde, das in Fig. 1 nur teilweise angedeutet ist, erstreckt sich über fast die gesamte Länge des Schafts 3.The device shown in the figures contains a pin element 1 with a
An der Spitze des Stiftes 1 ist über ein schmales Band 5, das eine Schwachstelle bildet, ein Mutternelement 6 angeformt. Das Mutternelement 6 weist ähnlich wie der Kopf 2 Scheibenform mit im wesentlichen dem gleichen Durchmesser wie dieser auf. Es enthält ein zentrales Loch 7, das mit einem Innengewinde versehen ist. Die Achse dieses Lochs steht senkrecht zur Papierebene und senkrecht zur Längsachse des Schafts 3.A
Die Vorrichtung wird in der in Fig. 1 dargestellten Weise einstückig aus Kunststoff in einer zweigeteilten Form gespritzt, wobei die Trennfläche zwischen den beiden Formteilen in der Papierebene liegt. Durch einfaches Öffnen der Form kann die Vorrichtung aus der Form entnommen werden.The device is injection molded in one piece from plastic in a two-part mold in the manner shown in FIG. 1, the separating surface between the two molded parts lying in the plane of the paper. The device can be removed from the mold by simply opening the mold.
Fig. 2 zeigt in vergrößertem Maßstab einen Querschnitt durch das Mutternelement 6. Das Mutternelement weist einen in der Höhe verbreiterten Randflansch 8 und das Loch 7 umgebend einen gleich breiten Innenflansch 9 auf. In dem Loch 7 ist ein Innengewinde 10 geformt, das einen einzigen Gewindegang aufweist. Die Profilform des Gewindes verläuft abgerundet, wie dies am rechten und linken Rand des Loches 7 in Fig. 2 zu sehen ist.2 shows, on an enlarged scale, a cross section through the
Fig. 3 zeigt nun eine Teilansicht des Stiftelementes 1 in vergrößertem Maßstab, wobei die Sicht aus einer Richtung quer zur Trennfläche zwischen den beiden Formen dargestellt ist. Die Gewindegänge des Außengewindes 4 weisen ein halbkreisförmiges Profil auf, wobei die Gewindespitzen zwischen den Vertiefungen abgeflacht sind. In der dargestellten Position des Stiftelements 1 verlaufen die Außenseiten 11 der Gewindegänge geradlinig in Längsrichtung des Schaftes 3.3 now shows a partial view of the pin element 1 on an enlarged scale, the view from a direction transverse to the separating surface between the two shapes being shown. The threads of the
Fig. 4 zeigt die gleiche Stellen des Stifts aus einer um 90° verdrehten Richtung. Hier verlaufen die Außenseiten 12 der Gewindegänge in gleicher Weise abgerundet wie die Vertiefungen 13. Es handelt sich also um ein Rundgewinde mit einem relativ breiten Gewinderücken.Fig. 4 shows the same positions of the pin from a direction rotated by 90 °. Here, the
Die Vorrichtung läßt sich aus einem Kunststoffmaterial, insbesondere Polypropylen, in einer längs einer Fläche, insbesondere einer Ebene, geteilten Form spritzen und durch Öffnen der Form aus dieser entnehmen. Die Vorrichtung wird in der in Fig. 1 dargestellten Form vertrieben. Bei der Benutzung greift der Benutzer an dem Stift an und reißt das Mutternelement 6 von dem Stift ab. Dies wird durch die schwachstelle ermöglicht, die von dem schmalen Band 5 gebildet wird. Anschließend steckt er den Stift von der einen Seite durch die übereinanderliegenden Löcher des Blattstapels hindurch und schraubt das Mutternelement von der anderen Seite her auf den Stift auf. Der Stift läßt sich in jede beliebige Position längs der Längsachse des Stiftes bringen. Der Außenrand des Randflansches 8 kann mit einer Rändelung 13 versehen werden, um das Aufschrauben zu erleichtern. In gleicher Weise läßt sich das Mutternelement auch wieder von dem Stift abschrauben und der Stift aus den Löchern herausnehmen. Dadurch kann der Blattstapel wieder geöffnet werden.The device can be injection molded from a plastic material, in particular polypropylene, in a mold divided along a surface, in particular a plane, and removed from it by opening the mold. The device is sold in the form shown in FIG. 1. In use, the user engages the pin and tears off the
Das Stiftelement ist aus einem biegsamen Kunststoff hergestellt. Dies macht nicht nur das Einfädeln in einen Blattstapel leichter, dessen Löcher nicht vollständig ausgerichtet sind, sondern erleichtert auch das Entfernen aus der Herstellungsform. Die Biegbarkeit ist unter anderem auch deshalb möglich, weil das Stiftelement nicht auf Schub, sondern allenfalls auf Zug beansprucht wird.The pin element is made of a flexible plastic. This not only makes it easier to thread into a stack of sheets whose holes are not fully aligned, but also facilitates removal from the manufacturing mold. The flexibility is also possible, among other things, because the pin element is not subjected to thrust, but at most to tension.
Claims (11)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4321317 | 1993-06-26 | ||
| DE4321317A DE4321317A1 (en) | 1993-06-26 | 1993-06-26 | Device for combining punched papers into stacks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0630760A1 true EP0630760A1 (en) | 1994-12-28 |
| EP0630760B1 EP0630760B1 (en) | 1998-08-12 |
Family
ID=6491319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94107515A Expired - Lifetime EP0630760B1 (en) | 1993-06-26 | 1994-05-14 | Device for binding an assembly of punched paper sheets |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5498090A (en) |
| EP (1) | EP0630760B1 (en) |
| JP (1) | JPH0747793A (en) |
| DE (2) | DE4321317A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200481345Y1 (en) * | 2016-04-27 | 2016-09-30 | 양진영 | Document file piece |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH579995A5 (en) * | 1974-01-09 | 1976-09-30 | Mohr Emil Ag | Retaining rod and screw for loose leaf file - uses rigid plastic tube with flat headed brass screws |
| DE8203163U1 (en) * | 1982-02-06 | 1982-06-24 | Walter Aurich Inh. E. Aurich Fabrikation modernen Bürobedarfs EDV-Ablegemappen - Buchbinderei, 3016 Seelze | DEVICE FOR TAPPING PUNCHED PAPER PACKAGES, IN PARTICULAR FILES |
| US4997208A (en) * | 1988-10-12 | 1991-03-05 | Staats Iii Henry N | Security binding |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD64687A (en) * | ||||
| DE372571C (en) * | 1923-03-29 | Hubert Uyttenbroeck | Adjustable line-up device for loose-leaf books | |
| US635409A (en) * | 1897-05-20 | 1899-10-24 | Nial Van Sickle | Temporary binder. |
| US1695220A (en) * | 1928-03-03 | 1928-12-11 | Walter F Wolf | Loose-leaf binder |
| US2132950A (en) * | 1937-05-15 | 1938-10-11 | Indemse Corp | Self-locking rivet |
| US2560110A (en) * | 1945-09-12 | 1951-07-10 | W C Horn Bro & Co | Temporary binder |
| US2586556A (en) * | 1946-11-23 | 1952-02-19 | Mullikin Alfred | Flexible binder post |
| BE491606A (en) * | 1948-10-11 | |||
| DE916825C (en) * | 1951-10-11 | 1954-08-19 | Emil Wenzel | Folder with helical spring binding for documents, drawings, booklets, etc. like |
| US3102571A (en) * | 1960-12-12 | 1963-09-03 | Scovill Manufacturing Co | Screw fasteners |
| DE1400817A1 (en) * | 1963-10-10 | 1969-01-23 | Fa Artur Fischer | Connecting element for components |
| US3251260A (en) * | 1963-11-04 | 1966-05-17 | Serdechny Alexander | Adjustable length fastener |
| CH436218A (en) * | 1965-12-10 | 1967-05-31 | Weber Alfred | Album for punched sheets |
| GB1263453A (en) * | 1967-11-14 | 1972-02-09 | William Charles Markham | Filing devices |
| GB1345076A (en) * | 1971-08-06 | 1974-01-30 | Copeland Chatterson Co Ltd | Binding post |
| FR2256842A1 (en) * | 1974-01-07 | 1975-08-01 | Thimonnier Jeanne | Pillar for securing bundle of sheets - has sleeved spring screwing into two flanged end caps |
| SE431731B (en) * | 1976-11-12 | 1984-02-27 | Wright Line Inc | OF PLASTIC CHALLENGE FOR RECEIVING DOCUMENT SHEETS |
| US4351626A (en) * | 1980-04-18 | 1982-09-28 | Holmes Horace D | Self-locking threaded fastener |
| US4991990A (en) * | 1990-01-05 | 1991-02-12 | Minnesota Mining And Manufacturing Company | Photograph album attachment assembly |
-
1993
- 1993-06-26 DE DE4321317A patent/DE4321317A1/en not_active Withdrawn
-
1994
- 1994-05-14 DE DE59406647T patent/DE59406647D1/en not_active Expired - Fee Related
- 1994-05-14 EP EP94107515A patent/EP0630760B1/en not_active Expired - Lifetime
- 1994-06-15 JP JP6155441A patent/JPH0747793A/en active Pending
- 1994-06-24 US US08/265,328 patent/US5498090A/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH579995A5 (en) * | 1974-01-09 | 1976-09-30 | Mohr Emil Ag | Retaining rod and screw for loose leaf file - uses rigid plastic tube with flat headed brass screws |
| DE8203163U1 (en) * | 1982-02-06 | 1982-06-24 | Walter Aurich Inh. E. Aurich Fabrikation modernen Bürobedarfs EDV-Ablegemappen - Buchbinderei, 3016 Seelze | DEVICE FOR TAPPING PUNCHED PAPER PACKAGES, IN PARTICULAR FILES |
| US4997208A (en) * | 1988-10-12 | 1991-03-05 | Staats Iii Henry N | Security binding |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0630760B1 (en) | 1998-08-12 |
| DE4321317A1 (en) | 1995-01-05 |
| DE59406647D1 (en) | 1998-09-17 |
| US5498090A (en) | 1996-03-12 |
| JPH0747793A (en) | 1995-02-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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