EP0509197A1 - Book with file pockets - Google Patents
Book with file pockets Download PDFInfo
- Publication number
- EP0509197A1 EP0509197A1 EP92101807A EP92101807A EP0509197A1 EP 0509197 A1 EP0509197 A1 EP 0509197A1 EP 92101807 A EP92101807 A EP 92101807A EP 92101807 A EP92101807 A EP 92101807A EP 0509197 A1 EP0509197 A1 EP 0509197A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- foil
- book according
- weld seam
- pocket book
- cutouts
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D1/00—Books or other bound products
- B42D1/08—Albums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F7/00—Filing appliances without fastening means
- B42F7/02—Filing appliances comprising only one pocket or compartment, e.g. single gussetted pockets
Definitions
- the invention relates to a foil pocket book with a plurality of flat foil pockets which are rectangular in outline, delimited by two foil layers each connected to one another by at least two, preferably three edges on a folding or welding line and having an insertion opening for documents or the like on at least one edge
- Made of thermoplastic material which are connected in one piece in pairs on a common center line and are welded flat against one another on a weld line running along the common center lines and optionally welded to a cover.
- hose parts with a predetermined height are usually welded from an endless film tube with closure of one longitudinal edge, brought together in layers and welded together in the region of their center line to one another and to the cover, which is also made of thermoplastic material.
- the resulting weld seam is, for example, broken through like a lattice. This is intended to ensure that the melting plastic material melts together in the area of the weld seam and at the same time forms a bond with the cover.
- the perforation pattern obtained in this way stiffens the spine of the book and facilitates the hinge-like opening and closing of the film pockets.
- the invention has for its object to develop a film pocket book, in which the risk of tearing the film pockets in the area of the weld seam is significantly reduced regardless of their width and design.
- both film layers of the film pockets in the vicinity of at least one of the weld seam ends arranged laterally next to the weld seam, to the pocket edge perpendicular to the weld seam, have cutouts or cut-outs.
- the open-edge cutouts or punched-out areas are arranged congruently with one another both in the two film layers of each film pocket and in the film pockets of the entire book lying against one another.
- a further advantageous embodiment of the invention provides that the cutouts of two integrally connected foil pockets are arranged in mirror image with respect to one another with respect to their center line or are formed continuously while cutting the center line. In the latter case, it is advantageous if the end of the weld line on the side of the cutouts is offset inwards in relation to the relevant pocket edge in the longitudinal direction of the center line.
- the cutouts are advantageously arranged on the side of the insertion opening of the film pockets.
- cutouts are delimited by flanks which diverge towards the edge opening, the cutout flank adjacent to the weld seam being either parallel or at an acute angle of less than 20 ° to the weld seam.
- the weld seam can either be perforated like a grid or consist of at least two individual seams spaced apart from one another until their ends are parallel to one another.
- the weld line it is possible to design the weld line as a plurality of cross-seams which are spaced apart from one another in a grid-like manner and separated from one another by transverse openings.
- the foil pocket books (clearbooks) shown in the drawing essentially consist of a cover 10 and a plurality of mutually abutting, welded seams 12 running along a center and foil pockets 14 connected to the cover 10.
- the foil pockets 14 of the book are in turn connected to one another in pairs on a center line 12 'and are each delimited by two foil layers 14', 14 '', which are at the fold line 16, the weld line 18 and the weld seam 12 are connected to one another and are open at their upper edge 20 to form an insertion opening for documents.
- the weld seam can, as can be seen from FIGS. 1 to 5, be broken like a lattice.
- a weld seam consisting of two mutually parallel individual seams 12 'is shown, while in the case of FIG. 7 the weld seam is formed from a plurality of transverse seams 12''which are spaced apart and separated by gaps 22 .
- the weld seam is of equal width over its entire length, while in the case of FIG. 4 it is widened towards the end in a delta shape and in the case of FIGS. 5 to 7 it is tapered to a point.
- recesses 24 which are open at the edge and which are congruent in the two film layers 14 ′, 14 ′′ of all film pockets 14 are provided in the vicinity of the weld seam the at the Handling the foil pockets within the foil pocket book form a tear protection.
- the pointed ends 26 in the case of FIGS. 5 to 7 also have a strain-relieving function, which may make it unnecessary to make recesses 24 (FIGS. 5 and 7).
- the invention relates to a film pocket book, referred to in practice as a "clear book", which has a plurality of flat, contoured rectangular, insert pockets for documents, which have pockets 14, which are connected in one piece in pairs on a common center line 12 ' and are flat against one another at a weld line 12 running along the common center lines 12 'and are welded to one another and to a cover 10.
- both film layers 14 ′, 14 ′′ of the individual film pockets 14 have in the vicinity of at least one of the weld seam ends 26 laterally next to the weld seam 12 arranged cutouts 24 which are open to the edge of the adjacent pocket edge 20 perpendicular to the weld line 12.
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Sheet Holders (AREA)
- Credit Cards Or The Like (AREA)
- Laminated Bodies (AREA)
- Packages (AREA)
Abstract
Description
Die Erfindung bezieht sich auf ein Folientaschen-Buch mit mehreren flachen, im Umriß rechteckigen, durch je zwei an mindestens zwei, vorzugsweise drei Rändern an einer Falt- oder Schweißlinie miteinander verbundene Folienlagen begrenzten und an mindestens einem Rand eine Einschuböffnung für Schriftgut oder dergleichen aufweisenden Folientaschen aus thermoplastischem Kunststoff, die paarweise an einer gemeinsamen Mittellinie einstückig zusammenhängen und flächig gegeneinanderliegend an einer entlang den gemeinsamen Mittellinien verlaufenden Bindeschweißnaht miteinander und gegebenenfalls mit einer Einbanddecke verschweißt sind.The invention relates to a foil pocket book with a plurality of flat foil pockets which are rectangular in outline, delimited by two foil layers each connected to one another by at least two, preferably three edges on a folding or welding line and having an insertion opening for documents or the like on at least one edge Made of thermoplastic material, which are connected in one piece in pairs on a common center line and are welded flat against one another on a weld line running along the common center lines and optionally welded to a cover.
Bei der Herstellung bekannter Folientaschen-Bücher (Clearbooks) werden üblicherweise von einem endlosen Folienschlauch Schlauchteile mit vorgegebener Höhe unter Verschließen des einen Längsrandes abgeschweißt, lagenweise zusammengeführt und gemeinsam im Bereich ihrer Mittellinie miteinander und mit dem ebenfalls aus thermoplastischem Material bestehenden Einband verschweißt. Die hierbei entstehende Bindeschweißnaht ist beispielsweise gitterartig durchbrochen. Damit soll erreicht werden, daß das schmelzende Kunststoffmaterial im Bereich der Bindeschweißnaht gezielt zusammenschmilzt und zugleich einen Verbund mit dem Einband bildet. Das hierbei erhaltene Perforationsmuster bildet eine Aussteifung des Buchrückens und erleichtert das scharnierartige Auf- und Zuschwenken der Folientaschen. Es hat sich aber gezeigt, daß gerade im Bereich der Bindeschweißnaht aufgrund der Perforation eine erhöhte Einreißgefahr beim Verschwenken der Folientaschen insbesondere bei unsachgemäßer Handhabung erfolgt. Um dieser Gefahr zu begegnen, wird bisher vor allem eine relativ breite und dadurch widerstandsfähige Bindeschweißnaht vorgesehen. Da die Folientaschen jedoch meist am seitlichen Schweißnahtrand einreißen und die breite Schweißnaht aufgrund der zusätzlichen Aushärtung eine steife Abreißkante bildet, hat sich diese Maßnahme bezüglich der Einreißgefahr eher negativ ausgewirkt.In the production of known film pocket books (clearbooks), hose parts with a predetermined height are usually welded from an endless film tube with closure of one longitudinal edge, brought together in layers and welded together in the region of their center line to one another and to the cover, which is also made of thermoplastic material. The resulting weld seam is, for example, broken through like a lattice. This is intended to ensure that the melting plastic material melts together in the area of the weld seam and at the same time forms a bond with the cover. The perforation pattern obtained in this way stiffens the spine of the book and facilitates the hinge-like opening and closing of the film pockets. However, it has been shown that precisely in the area of the weld line due to the perforation, there is an increased risk of tearing when the film pockets are pivoted, particularly when handled improperly. In order to counter this danger, a relatively wide and therefore resistant weld seam has been provided so far. However, since the film pockets usually tear at the side edge of the weld seam and the wide weld seam forms a rigid tear-off edge due to the additional hardening, this measure has had a rather negative effect with regard to the risk of tearing.
Der Erfindung liegt die Aufgabe zugrunde, ein Folientaschen-Buch zu entwickeln, bei welchem die Einreißgefahr der Folientaschen im Bereich der Bindeschweißnaht unabhängig von deren Breite und Ausbildung wesentlich reduziert wird.The invention has for its object to develop a film pocket book, in which the risk of tearing the film pockets in the area of the weld seam is significantly reduced regardless of their width and design.
Zur Lösung dieser Aufgabe wird gemäß der Erfindung vorgeschlagen, daß beide Folienlagen der Folientaschen in der Nähe mindestens eines der Bindeschweißnahtenden seitlich neben der Schweißnaht angeordnete, zu dem zur Bindeschweißnaht senkrechten Taschenrand hin randoffene Ausschnitte oder Ausstanzungen aufweist.To achieve this object, it is proposed according to the invention that both film layers of the film pockets in the vicinity of at least one of the weld seam ends arranged laterally next to the weld seam, to the pocket edge perpendicular to the weld seam, have cutouts or cut-outs.
Gemäß einer bevorzugten Ausgestaltung der Erfindung sind die randoffenen Ausschnitte oder Ausstanzungen sowohl in den beiden Folienlagen einer jeden Folientasche als auch in den gegeneinander anliegenden Folientaschen des gesamten Buches deckungsgleich zueinander angeordnet.According to a preferred embodiment of the invention, the open-edge cutouts or punched-out areas are arranged congruently with one another both in the two film layers of each film pocket and in the film pockets of the entire book lying against one another.
Eine weitere vorteilhafte Ausgestaltung der Erfindung sieht vor, daß die Ausschnitte zweier einstückig zusammenhängender Folientaschen bezüglich ihrer Mittellinie spiegelbildlich zueinander angeordnet oder unter Anschneiden der Mittellinie durchgehend ausgebildet sind. Im letzteren Falle ist es von Vorteil, wenn das Bindeschweißnahtende auf der Seite der Ausschnitte gegenüber dem betreffenden Taschenrand in Längsrichtung der Mittellinie nach innen versetzt angeordnet ist.A further advantageous embodiment of the invention provides that the cutouts of two integrally connected foil pockets are arranged in mirror image with respect to one another with respect to their center line or are formed continuously while cutting the center line. In the latter case, it is advantageous if the end of the weld line on the side of the cutouts is offset inwards in relation to the relevant pocket edge in the longitudinal direction of the center line.
Da die Folientaschen vor allem im Bereich der Einschuböffnung auf Zug beansprucht werden, werden die Ausschnitte vorteilhafterweise auf der Seite der Einschuböffnung der Folientaschen angeordnet.Since the film pockets are subjected to tensile stress above all in the region of the insertion opening, the cutouts are advantageously arranged on the side of the insertion opening of the film pockets.
Als besonders vorteilhaft hat es sich erwiesen, wenn die Ausschnitte durch zur Randöffnung hin divergierende Flanken begrenzt sind, wobei die der Bindeschweißnaht benachbarte Ausschnittflanke entweder parallel oder unter einem spitzen Winkel von weniger als 20° zur Bindeschweißnaht verlaufen sollte.It has proven to be particularly advantageous if the cutouts are delimited by flanks which diverge towards the edge opening, the cutout flank adjacent to the weld seam being either parallel or at an acute angle of less than 20 ° to the weld seam.
Grundsätzlich ist es möglich, bei gleichzeitigem Vorhandensein der Ausschnitte die Breite der Bindeschweißnaht zu ihrem ausschnittseitigen Ende hin deltaförmig zu erweitern, um eine zusätzliche Eckenverstärkung zu erhalten.In principle, it is possible, if the cutouts are present at the same time, to widen the width of the weld line toward its cutout-side end in order to obtain an additional corner reinforcement.
Besser ist es jedoch, wenn die Breite der Bindeschweißnaht zu ihrem ausschnittseitigen Ende hin spitz zulaufend verjüngt ist. In diesem Falle ergibt sich durch die linienhaft angreifenden Zugkräfte eine Entlastung, die es unter bestimmten Voraussetzungen sogar ermöglichen, auf die randoffenen Aussparungen und die dadurch erzielte Zugentlastung zu verzichten. Die Bindeschweißnaht kann bei beiden Lösungsalternativen entweder gitterartig durchbrochen sein oder aus mindestens zwei im Abstand voneinander angeordneten, bis in die Nähe ihrer Enden zueinander parallelen Einzelnähten bestehen. Grundsätzlich ist es möglich, die Bindeschweißnaht auch als eine Vielzahl von rasterartig im Abstand voneinander angeordnete und durch quer verlaufende Durchbrüche voneinander getrennte Quernähte auszubilden.It is better, however, if the width of the weld line is tapered to a point at its cut-out end. In this case, the linearly acting tensile forces, which under certain conditions even make it possible to dispense with the open-edge recesses and the resulting strain relief. In both alternative solutions, the weld seam can either be perforated like a grid or consist of at least two individual seams spaced apart from one another until their ends are parallel to one another. In principle, it is possible to design the weld line as a plurality of cross-seams which are spaced apart from one another in a grid-like manner and separated from one another by transverse openings.
Im folgenden wird die Erfindung anhand der in der Zeichnung in schematischer Weise dargestellten Ausführungsbeispiele näher erläutert. Es zeigen
- Fig. 1
- ein in der Mitte aufgeschlagenes Folientaschen-Buch in schaubildlicher Darstellung;
- Fig. 2
- einen Ausschnitt aus dem Folientaschen-Buch nach Fig. 1 in Draufsicht;
- Fig. 3 bis 7
- gegenüber Fig. 1 und 2 abgewandelte Ausführungsbeispiele eines Folientaschen-Buchs in Darstellungen entsprechend Fig. 2.
- Fig. 1
- a diagrammatic representation of a foil pocket book opened in the middle;
- Fig. 2
- a section of the film pocket book of Figure 1 in plan view.
- 3 to 7
- 1 and 2 modified exemplary embodiments of a foil pocket book in representations corresponding to FIG. 2.
Die in der Zeichnung dargestellten Folientaschen-Bücher (Clearbooks) bestehen im wesentlichen aus einer Einbanddecke 10 und mehreren gegeneinander anliegenden, an einer mittig verlaufenden Bindeschweißnaht 12 miteinander und mit der Einbanddecke 10 verbundenen Folientaschen 14. Die Folientaschen 14 des Buchs hängen ihrerseits paarweise an einer Mittellinie 12' miteinander zusammen und sind jeweils durch zwei Folienlagen 14',14'' begrenzt, die an der Faltlinie 16, der Schweißlinie 18 und der Bindeschweißnaht 12 miteinander verbunden und an ihrem oberen Rand 20 unter Bildung einer Einschuböffnung für Schriftgut offen sind. Die Bindeschweißnaht kann, wie aus den Fig. 1 bis 5 zu ersehen ist, gitterartig durchbrochen sein. Dadurch wird erreicht, daß das Kunststoffmaterial beim Schweißvorgang gezielt zusammenschmilzt und einen zuverlässigen Verbund mit der Einbanddecke 20 bildet. Bei dem in Fig. 6 gezeigten Ausführungsbeispiel ist eine aus zwei zueinander parallelen Einzelnähten 12' bestehende Schweißnaht gezeigt, während im Falle der Fig. 7 die Schweißnaht aus einer Vielzahl von im Abstand voneinander angeordneten, durch Lücken 22 voneinander getrennten Quernähten 12'' gebildet ist.The foil pocket books (clearbooks) shown in the drawing essentially consist of a
Bei den Ausführungsbeispielen nach Fig. 1 bis 3 ist die Bindeschweißnaht über ihre gesamte Länge gleich breit, während sie im Falle der Fig. 4 zu ihrem Ende hin deltaförmig verbreitert und im Falle der Fig. 5 bis 7 spitz zulaufend verjüngt ausgebildet ist.In the exemplary embodiments according to FIGS. 1 to 3, the weld seam is of equal width over its entire length, while in the case of FIG. 4 it is widened towards the end in a delta shape and in the case of FIGS. 5 to 7 it is tapered to a point.
Bei den in Fig. 1 bis 4 und 6 gezeigten Ausführungsbeispielen sind im Bereich des die Einschuböffnung aufweisenden Oberrandes 20 der Folientaschen in der Nähe des Bindeschweißnahtendes randoffene Aussparungen 24 vorgesehen, die in den beiden Folienlagen 14',14'' aller Folientaschen 14 deckungsgleich sind und die bei der Handhabung der Folientaschen innerhalb des Folientaschen-Buches einen Einreißschutz bilden. Im Falle der Fig. 2, 4 und 6 sind an den Folientaschen eines jeden Folientaschenpaars zwei bezüglich der Mittellinie 12' spiegelsymmetrisch angeordnete Aussparungen 24 vorgesehen, während im Falle der Fig. 3 ein durchgehender Ausschnitt 24 vorgesehen ist, der bewirkt, daß die Schweißnaht an ihrem Ende in Richtung der Mittellinie 12' gegenüber dem Öffnungsrand 20 zurückversetzt ist. Die spitz zulaufenden Enden 26 im Falle der Fig. 5 bis 7 haben ebenfalls eine zugentlastende Funktion, die gegebenenfalls die Einbringung von Aussparungen 24 entbehrlich macht (Fig. 5 und 7).In the exemplary embodiments shown in FIGS. 1 to 4 and 6, in the area of the
Zusammenfassend ist folgendes festzustellen: Die Erfindung bezieht sich auf ein in der Praxis als "Clearbook" bezeichnetes Folientaschen-Buch, das mehrere flache, im Umriß rechteckige, eine Einschuböffnung für Schriftgut aufweisende Folientaschen 14 aufweist, die paarweise an einer gemeinsamen Mittellinie 12' einstückig zusammenhängen und flächig gegeneinander anliegend an einer entlang den gemeinsamen Mittellinien 12' verlaufenden Bindeschweißnaht 12 miteinander und mit einer Einbanddecke 10 verschweißt sind. Um bei der Handhabung des Buches ein Einreißen der Folientaschen im Bereich der vorzugsweise gitterartig durchbrochenen Bindeschweißnaht 12 zu vermeiden, weisen beide Folienlagen 14',14'' der einzelnen Folientaschen 14 in der Nähe mindestens eines der Bindeschweißnahtenden 26 seitlich neben der Bindeschweißnaht 12 angeordnete, zu dem zur Bindeschweißnaht 12 senkrechten benachbarten Taschenrand 20 hin randoffene Ausschnitte 24 auf.In summary, the following can be stated: The invention relates to a film pocket book, referred to in practice as a "clear book", which has a plurality of flat, contoured rectangular, insert pockets for documents, which have
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4112396A DE4112396A1 (en) | 1991-04-16 | 1991-04-16 | FILM BAG BOOK |
DE4112396 | 1991-04-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0509197A1 true EP0509197A1 (en) | 1992-10-21 |
EP0509197B1 EP0509197B1 (en) | 1995-06-14 |
Family
ID=6429702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92101807A Expired - Lifetime EP0509197B1 (en) | 1991-04-16 | 1992-02-04 | Book with file pockets |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0509197B1 (en) |
AT (1) | ATE123712T1 (en) |
DE (2) | DE4112396A1 (en) |
ES (1) | ES2075486T3 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT403678B (en) * | 1992-03-31 | 1998-04-27 | Zeta S R L | PHOTO ALBUM OD. DGL. |
FR2820077A1 (en) * | 2001-01-31 | 2002-08-02 | Avery Dennison France | File with cover and separators of thermally weldable material has components assembled by aligning holes along spine with studs before welding |
US10710396B1 (en) * | 2019-06-20 | 2020-07-14 | Lihit Lab., Inc. | Pocket sheet protector and booklet thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE658815A (en) * | ||||
FR1116735A (en) * | 1954-12-31 | 1956-05-11 | Plastic folder for files | |
GB2159768A (en) * | 1984-06-01 | 1985-12-11 | Charles Leo Lind | Pocket for papers |
US4844508A (en) * | 1987-10-09 | 1989-07-04 | Choi Harry Y | Album binding device and method of binding |
DE9011470U1 (en) * | 1990-08-07 | 1991-01-03 | Honerkamp, Johannes, 4517 Hilter | Pocket case, especially for framed slides or unframed film sections |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1288071C2 (en) * | 1964-02-06 | 1973-02-08 | FILES CLOSED ON THREE SIDES | |
DE3708880A1 (en) * | 1987-03-18 | 1988-09-29 | Geimuplast Mundt Kg Peter | POCKET FILM FOR FLAT ITEMS, IN PARTICULAR SLIDES |
-
1991
- 1991-04-16 DE DE4112396A patent/DE4112396A1/en not_active Withdrawn
-
1992
- 1992-02-04 EP EP92101807A patent/EP0509197B1/en not_active Expired - Lifetime
- 1992-02-04 ES ES92101807T patent/ES2075486T3/en not_active Expired - Lifetime
- 1992-02-04 DE DE59202493T patent/DE59202493D1/en not_active Expired - Fee Related
- 1992-02-04 AT AT92101807T patent/ATE123712T1/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE658815A (en) * | ||||
FR1116735A (en) * | 1954-12-31 | 1956-05-11 | Plastic folder for files | |
GB2159768A (en) * | 1984-06-01 | 1985-12-11 | Charles Leo Lind | Pocket for papers |
US4844508A (en) * | 1987-10-09 | 1989-07-04 | Choi Harry Y | Album binding device and method of binding |
DE9011470U1 (en) * | 1990-08-07 | 1991-01-03 | Honerkamp, Johannes, 4517 Hilter | Pocket case, especially for framed slides or unframed film sections |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT403678B (en) * | 1992-03-31 | 1998-04-27 | Zeta S R L | PHOTO ALBUM OD. DGL. |
FR2820077A1 (en) * | 2001-01-31 | 2002-08-02 | Avery Dennison France | File with cover and separators of thermally weldable material has components assembled by aligning holes along spine with studs before welding |
EP1228896A1 (en) * | 2001-01-31 | 2002-08-07 | Avery Dennison France | Method of producing a filing appliance and appliance produced thereby |
US10710396B1 (en) * | 2019-06-20 | 2020-07-14 | Lihit Lab., Inc. | Pocket sheet protector and booklet thereof |
Also Published As
Publication number | Publication date |
---|---|
EP0509197B1 (en) | 1995-06-14 |
ES2075486T3 (en) | 1995-10-01 |
ATE123712T1 (en) | 1995-06-15 |
DE4112396A1 (en) | 1992-10-22 |
DE59202493D1 (en) | 1995-07-20 |
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