EP0554556B1 - Pocket in foil material - Google Patents

Pocket in foil material Download PDF

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Publication number
EP0554556B1
EP0554556B1 EP92121592A EP92121592A EP0554556B1 EP 0554556 B1 EP0554556 B1 EP 0554556B1 EP 92121592 A EP92121592 A EP 92121592A EP 92121592 A EP92121592 A EP 92121592A EP 0554556 B1 EP0554556 B1 EP 0554556B1
Authority
EP
European Patent Office
Prior art keywords
foil
edge
pocket
weld
edge strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92121592A
Other languages
German (de)
French (fr)
Other versions
EP0554556A1 (en
Inventor
Conrad Leitz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Louis Leitz KG
Original Assignee
Louis Leitz KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Louis Leitz KG filed Critical Louis Leitz KG
Publication of EP0554556A1 publication Critical patent/EP0554556A1/en
Application granted granted Critical
Publication of EP0554556B1 publication Critical patent/EP0554556B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • 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 film bag made of two flat, mutually flat, essentially rectangular film layers, which are closed on three side edges of the film layers connecting folding, welding or adhesive lines and on a side edge, preferably arranged on a narrow side, forming an insertion opening for Documents or the like is open, and the side edge perpendicular to the open side edge preferably has a reinforcing insert, has an inner weld or adhesive seam that delimits the inside of the pocket and an outer edge that is essentially parallel to the outer edge and has a defined width, the inner sweat - or adhesive seam of the edge strip along an inclined path near its insert-side end has a funnel-like course which widens the inside of the pocket towards the insertion opening and is at an acute angle to the outer edge.
  • One-sided open film pockets of this type can be hung in a folder or in a ring binder with the row of holes arranged in their edge strip. They are therefore particularly suitable as brochure or document covers. If the width of the edge strip and thus the width of the pocket interior is constant over the entire pocket height and essentially corresponds to the DIN dimensions of the writing material, the insertion of the often pliable writing material into the insertion opening presents certain difficulties.
  • the object of the invention is to improve the known film pouch of the type specified at the outset in such a way that the insertion of documents through the insertion opening is facilitated.
  • the invention is based on the idea that the written material can be introduced more easily into the film pocket if the inclined section runs in a straight line and is 1.5 to 3 times as long as the width of the edge strip and if the acute angle between the inclined section and the outer edge 10 ° to 25 °.
  • the document obliquely into the insertion opening over a sufficient insertion distance before it is completely inserted into the pocket in a parallel orientation.
  • the inclined section of the inner weld or adhesive seam expediently extends into the vicinity of an insert-side hole in the row of holes. It is particularly advantageous if the oblique distance of the inner weld or adhesive seam extends up to a distance approximately corresponding to the width of the edge strip to the insertion-side hole of the row of holes.
  • a further improvement in the insertion behavior can be achieved in that the edge strip is rounded at its end on the insertion side.
  • the outer edge of the edge strip is advantageously also formed by a welded or glued seam.
  • a preferred embodiment of the invention provides that the inner weld or glue seam and the outer edge designed as a weld or glue seam limit an edge welt pocket for receiving the reinforcing insert, the inner and outer weld or glue seam on the front side being formed by convexly rounded connecting seams to form a closed edge welt pocket can be connected.
  • Another relief when introducing documents is achieved in that one of the film layers in the region of its edge edge delimiting the insertion opening has a recess which is open at the edge and extends into the vicinity of the inclined distance of the inner weld or adhesive seam.
  • the film bag shown in the drawing consists of two essentially rectangular, flat sheet layers 10 lying flat against each other, which are integrally connected to one another at a folded edge to form a closed longitudinal side edge 12.
  • the border strip pocket contains a reinforcement strip 24 made of flat material and a series of continuous round holes 26 for filing the film pocket in a folder or ring binder.
  • the film layers 10 are connected to one another by a simple weld seam, while at their upper narrow side edge 30 they are not connected to one another to form an insertion opening for documents.
  • the inner weld seam 16 of the edge strip 14 near its insert-side end along an inclined path 32 has a funnel-like course which widens the pocket towards the insertion opening 30 and is at an acute angle to the outer weld seam 18.
  • the acute angle ⁇ is approximately 15 °
  • the inclined section is approximately twice as long as the width b of the edge strip.
  • the edge strip 14 decreases along the inclined section 32 to the end on the insertion side to approximately half its maximum width b.
  • the inclined section 32 of the inner weld 16 extends up to a distance a approximately corresponding to the edge strip width b to the insertion-side hole 26 ′ of the row of holes 26.
  • the rear film layer according to FIGS. 1 and 2 has in the region of its edge 30 which delimits the insertion opening an open edge 34 which extends into the vicinity of the inclined section 32 of the inner weld seam 16.
  • Both the film layers 10 and the reinforcing strips 24 are suitably made of polypropylene.
  • the invention relates to a film pocket consisting of two film layers 10 lying flat against one another and essentially rectangular in outline.
  • the film pocket is closed on three side edges 12, 14, 28 by folding, welding or adhesive lines or seams and open at one side edge 30 to form an insertion opening for documents.
  • an edge strip 14 with a defined width is arranged on a side edge 18 perpendicular to the open side edge 30.
  • the inner weld seam 16 of the edge strip 14 in the vicinity of its insert-side end 22 has a funnel-like course which widens the inside of the pocket towards the insertion opening and is at an acute angle to the outer edge 18.

Description

Die Erfindung betrifft eine Folientasche aus zwei flach gegeneinander anliegenden, im Umriß im wesentlichen rechteckigen Folienlagen, die an drei Seitenrändern an die Folienlagen miteinander verbindenden Falt-, Schweiß- oder Klebelinien geschlossen und an einem, vorzugsweise an einer Schmalseite angeordneten Seitenrand unter Bildung einer Einschuböffnung für Schriftgut oder dergleichen offen ist, und die an einem zum offenen Seitenrand senkrechten Seitenrand eine vorzugsweise eine Verstärkungseinlage enthaltende, durch eine das Tascheninnere begrenzende innere Schweiß- oder Klebenaht und eine zu dieser im wesentlichen parallele Außenkante begrenzte Randleiste mit definierter Breite aufweist, wobei die innere Schweiß- oder Klebenaht der Randleiste entlang einer Schrägstrecke in der Nähe ihres einschubseitigen Endes einen das Tascheninnere zur Einschuböffnung hin trichterartig erweiternden, gegenüber der Außenkante spitzwinklig schrägen Verlauf aufweist.The invention relates to a film bag made of two flat, mutually flat, essentially rectangular film layers, which are closed on three side edges of the film layers connecting folding, welding or adhesive lines and on a side edge, preferably arranged on a narrow side, forming an insertion opening for Documents or the like is open, and the side edge perpendicular to the open side edge preferably has a reinforcing insert, has an inner weld or adhesive seam that delimits the inside of the pocket and an outer edge that is essentially parallel to the outer edge and has a defined width, the inner sweat - or adhesive seam of the edge strip along an inclined path near its insert-side end has a funnel-like course which widens the inside of the pocket towards the insertion opening and is at an acute angle to the outer edge.

Einseitig offene Folientaschen dieser Art können mit der in ihrer Randleiste angeordneten Lochreihe in einen Ordner oder in ein Ringbuch eingehängt werden. Sie eignen sich daher besonders als Prospekt- oder Dokumentenhüllen. Wenn die Breite der Randleiste und damit die Weite des Tascheninneren über die gesamte Taschenhöhe konstant ist und im wesentlichen den DIN-Abmessungen des Schriftguts entspricht, bereitet das Einführen des oft biegeschlaffen Schriftguts in die Einschuböffnung gewisse Schwierigkeiten.One-sided open film pockets of this type can be hung in a folder or in a ring binder with the row of holes arranged in their edge strip. They are therefore particularly suitable as brochure or document covers. If the width of the edge strip and thus the width of the pocket interior is constant over the entire pocket height and essentially corresponds to the DIN dimensions of the writing material, the insertion of the often pliable writing material into the insertion opening presents certain difficulties.

Um das Einführen von Schriftgut durch die Einschuböffnung zu erleichtern, ist es bekannt (CH-A-464 852 und FR-A-1 116 735), daß die innere Schweiß- oder Klebenaht der Randleiste einen das Tascheninnere zur Einschuböffnung hin trichterartig erweiternden, gegenüber der Außenkante spitzwinklig schrägen Verlauf aufweist.In order to facilitate the introduction of documents through the insertion opening, it is known (CH-A-464 852 and FR-A-1 116 735) that the inner welding or adhesive seam of the edge strip opposite a funnel-like widening the pocket interior towards the insertion opening the outer edge has an oblique course at an acute angle.

Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, die bekannte Folientasche der eingangs angegebenen Art dahingehend zu verbessern, daß das Einführen von Schriftgut durch die Einschuböffnung erleichtert wird.Proceeding from this, the object of the invention is to improve the known film pouch of the type specified at the outset in such a way that the insertion of documents through the insertion opening is facilitated.

Zur Lösung dieser Aufgabe wird gemäß der Erfindung die im Patentanspruch 1 angegebene Merkmalskombination vorgeschlagen. Weitere vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den abhängigen Ansprüchen.To achieve this object, the combination of features specified in claim 1 is proposed according to the invention. Further advantageous refinements and developments of the invention result from the dependent claims.

Der Erfindung liegt der Gedanke zugrunde, daß das Schriftgut leichter in die Folientasche eingeführt werden kann, wenn die Schrägstrecke geradlinig verläuft und 1,5 bis 3 mal so lang ist wie die Breite der Randleiste und wenn der spitze Winkel zwischen der Schrägstrecke und der Außenkante 10° bis 25° beträgt. Damit ist es möglich, das Schriftgut über eine ausreichende Einführstrecke hinweg schräg in die Einschuböffnung einzuführen, bevor es in paralleler Ausrichtung vollständig in die Tasche eingeschoben wird.The invention is based on the idea that the written material can be introduced more easily into the film pocket if the inclined section runs in a straight line and is 1.5 to 3 times as long as the width of the edge strip and if the acute angle between the inclined section and the outer edge 10 ° to 25 °. In order to it is possible to insert the document obliquely into the insertion opening over a sufficient insertion distance before it is completely inserted into the pocket in a parallel orientation.

Die Schrägstrecke der inneren Schweiß- oder Klebenaht erstreckt sich zweckmäßig bis in die Nähe eines einschubseitigen Loches der Lochreihe. Besonders vorteilhaft ist es, wenn die Schrägstrecke der inneren Schweiß- oder Klebenaht sich bis zu einem etwa der Randleistenbreite entsprechenden Abstand zum einschubseitigen Loch der Lochreihe hin erstreckt.The inclined section of the inner weld or adhesive seam expediently extends into the vicinity of an insert-side hole in the row of holes. It is particularly advantageous if the oblique distance of the inner weld or adhesive seam extends up to a distance approximately corresponding to the width of the edge strip to the insertion-side hole of the row of holes.

Eine weitere Verbesserung des Einschubverhaltens kann dadurch erzielt werden, daß die Randleiste an ihrem einschubseitigen Ende abgerundet ist.A further improvement in the insertion behavior can be achieved in that the edge strip is rounded at its end on the insertion side.

Die Außenkante der Randleiste ist vorteilhafterweise ebenfalls durch eine Schweiß- oder Klebenaht gebildet. Eine bevorzugte Ausgestaltung der Erfindung sieht dabei vor, daß die innere Schweiß- oder Klebenaht und die als Schweiß- oder Klebenaht ausgebildete Außenkante eine Randleistentasche zur Aufnahme der Verstärkungseinlage begrenzen, wobei die innere und äußere Schweiß- oder Klebenaht stirnseitig durch konvex abgerundete Verbindungsnähte unter Bildung einer geschlossenen Randleistentasche miteinander verbunden sein können.The outer edge of the edge strip is advantageously also formed by a welded or glued seam. A preferred embodiment of the invention provides that the inner weld or glue seam and the outer edge designed as a weld or glue seam limit an edge welt pocket for receiving the reinforcing insert, the inner and outer weld or glue seam on the front side being formed by convexly rounded connecting seams to form a closed edge welt pocket can be connected.

Eine weitere Erleichterung beim Einführen von Schriftgut wird dadurch erzielt, daß eine der Folienlagen im Bereich ihrer die Einschuböffnung begrenzenden Randkante eine bis in die Nähe der Schrägstrecke der inneren Schweiß- oder Klebenaht reichende randoffene Aussparung aufweist.Another relief when introducing documents is achieved in that one of the film layers in the region of its edge edge delimiting the insertion opening has a recess which is open at the edge and extends into the vicinity of the inclined distance of the inner weld or adhesive seam.

Im folgenden wird die Erfindung anhand eines in der Zeichnung in schematischer Weise dargestellten Ausführungsbeispiels näher erläutert. Es zeigen

Fig. 1
eine Draufsicht auf eine Folientasche mit eine Einführschräge;
Fig. 2
einen Ausschnitt aus der Folientasche nach Fig. 1 im Bereich der Einführschräge.
The invention is explained in more detail below with reference to an exemplary embodiment shown schematically in the drawing. Show it
Fig. 1
a plan view of a film bag with an insertion slope;
Fig. 2
a section of the film bag of FIG. 1 in the area of the insertion slope.

Die in der Zeichnung dargestellte Folientasche besteht aus zwei im wesentlichen rechteckigen, flach gegeneinander anliegenden Folienlagen 10, die an einer Faltkante unter Bildung eines geschlossenen Längsseitenrands 12 einstückig miteinander verbunden sind. Am gegenüberliegenden Längsseitenrand befindet sich eine Randleiste 14, die durch eine innere Schweißnaht 16 und eine äußere Schweißnaht 18, sowie endseitigen konvexen Verbindungsnähten 20,22 unter Bildung einer geschlossenen Randleistentasche begrenzt ist. Die Randleistentasche enthält einen Verstärkungsstreifen 24 aus Flachmaterial sowie eine Reihe von durchgehenden Rundlöchern 26 zum Abheften der Folientasche in einem Ordner oder einem Ringbuch.The film bag shown in the drawing consists of two essentially rectangular, flat sheet layers 10 lying flat against each other, which are integrally connected to one another at a folded edge to form a closed longitudinal side edge 12. On the opposite longitudinal side edge there is an edge strip 14, which is delimited by an inner weld seam 16 and an outer weld seam 18, as well as convex connecting seams 20, 22 at the end, forming a closed edge strip pocket. The border strip pocket contains a reinforcement strip 24 made of flat material and a series of continuous round holes 26 for filing the film pocket in a folder or ring binder.

Am unteren Schmalseitenrand 28 sind die Folienlagen 10 durch eine einfache Schweißnaht miteinander verbunden, während sie an ihrem oberen Schmalseitenrand 30 unter Bildung einer Einschuböffnung für Schriftgut nicht miteinander verbunden sind.At the lower narrow side edge 28, the film layers 10 are connected to one another by a simple weld seam, while at their upper narrow side edge 30 they are not connected to one another to form an insertion opening for documents.

Zur Erleichterung des Einführens von Schriftgut in die Folientasche weist die innere Schweißnaht 16 der Randleiste 14 in der Nähe ihres einschubseitigen Endes entlang einer Schrägstrecke 32 einen das Taschen innere zur Einschuböffnung 30 hin trichterartig erweiternden, gegenüber der äußeren Schweißnaht 18 spitzwinklig schrägen Verlauf auf. Der spitze Winkel α beträgt bei dem gezeigten Ausführungsbeispiel etwa 15°, während die Schrägstrecke etwa doppelt so lang ist, wie die Breite b der Randleiste. Dadurch nimmt die Randleiste 14 entlang der Schrägstrecke 32 zum einschubseitigen Ende hin auf etwa die Hälfte ihrer maximalen Breite b ab. Weiter erstreckt sich die Schrägstrecke 32 der inneren Schweißnaht 16 bis zu einem etwa der Randleistenbreite b entsprechenden Abstand a zum einschubseitigen Loch 26' der Lochreihe 26.In order to facilitate the introduction of writing material into the film pocket, the inner weld seam 16 of the edge strip 14 near its insert-side end along an inclined path 32 has a funnel-like course which widens the pocket towards the insertion opening 30 and is at an acute angle to the outer weld seam 18. In the exemplary embodiment shown, the acute angle α is approximately 15 °, while the inclined section is approximately twice as long as the width b of the edge strip. As a result, the edge strip 14 decreases along the inclined section 32 to the end on the insertion side to approximately half its maximum width b. Furthermore, the inclined section 32 of the inner weld 16 extends up to a distance a approximately corresponding to the edge strip width b to the insertion-side hole 26 ′ of the row of holes 26.

Zur weiteren Erleichterung des Einführens von Schriftgut weist die rückwärtige Folienlage gemäß Fig. 1 und 2 im Bereich ihrer die Einschuböffnung begrenzenden Randkante 30 eine bis in die Nähe der Schrägstrecke 32 der inneren Schweißnaht 16 reichende randoffene Aussparung 34 auf.To further facilitate the insertion of documents, the rear film layer according to FIGS. 1 and 2 has in the region of its edge 30 which delimits the insertion opening an open edge 34 which extends into the vicinity of the inclined section 32 of the inner weld seam 16.

Sowohl die Folienlagen 10 als auch der Verstärkungsstreifen 24 bestehen zweckmäßig aus Polypropylen.Both the film layers 10 and the reinforcing strips 24 are suitably made of polypropylene.

Zusammenfassend ist folgendes festzustellen: Die Erfindung bezieht sich auf eine Folientasche aus zwei flach gegeneinander anliegenden, im Umriß im wesentlichen rechteckigen Folienlagen 10. Die Folientasche ist an drei Seitenrändern 12,14,28 durch Falt-, Schweiß- oder Klebelinien bzw. -nähte geschlossen und an einem Seitenrand 30 unter Bildung einer Einschuböffnung für Schriftgut offen. Weiter ist an einem zum offenen Seitenrand 30 senkrechten Seitenrand 18 eine Randleiste 14 mit definierter Breite angeordnet. Um das Einführen des Schriftguts in die Folientasche zu erleichtern, weist die innere Schweißnaht 16 der Randleiste 14 in der Nähe ihres einschubseitigen Endes 22 einen das Tascheninnere zur Einschuböffnung hin trichterartig erweiterenden, gegenüber der Außenkante 18 spitzwinklig schrägen Verlauf auf.In summary, the following can be stated: The invention relates to a film pocket consisting of two film layers 10 lying flat against one another and essentially rectangular in outline. The film pocket is closed on three side edges 12, 14, 28 by folding, welding or adhesive lines or seams and open at one side edge 30 to form an insertion opening for documents. Furthermore, an edge strip 14 with a defined width is arranged on a side edge 18 perpendicular to the open side edge 30. In order to facilitate the introduction of the writing material into the film pocket, the inner weld seam 16 of the edge strip 14 in the vicinity of its insert-side end 22 has a funnel-like course which widens the inside of the pocket towards the insertion opening and is at an acute angle to the outer edge 18.

Claims (11)

  1. Foil pocket comprising two layers of foil (10) lying one flat against the other and substantially rectangular in contour, which pocket is closed at three side edges (12, 14, 28) at fold, weld or pasted lines connecting the foil layers (10) to one another and is open at one side edge (30), preferably disposed at a narrow side, so as to form an insertion opening for documents or the like, and which at a side edge (14) at right angles to the open side edge (30) has an edge strip (14) of a defined width, which preferably contains a stiffening insert (24) and is delimited by an inner weld or pasted seam (16) delimiting the pocket interior and by an outer edge (18) substantially parallel to said seam, the inner weld or pasted seam (16) of the edge strip (14) along an oblique section (32) in the vicinity of its insertion-side end following a course which is inclined at an acute angle to the outer edge (18) and widens the pocket interior in a funnel-like manner towards the insertion opening (30), characterized in that the oblique section (32) extends rectilinearly and is 1.5 to 3 times as long as the width (b) of the edge strip (14) and that the acute angle (α) between the oblique section (32) and the outer edge (18) is 10° to 25°.
  2. Foil pocket according to claim 1, characterized in that the edge strip decreases along the oblique section (32) towards the insertion-side end (22) down to approximately half of its width (b).
  3. Foil pocket according to claim 1 or 2, characterized in that the edge strip (14) is rounded off at its insertion-side end (22).
  4. Foil pocket according to one of claims 1 to 3, characterized in that the oblique section (32) of the inner weld or pasted seam (16) extends as far as in the vicinity of an insertion-side hole (26') of the row of holes (26).
  5. Foil pocket according to claim 4, characterized in that the oblique section (32) of the inner weld or pasted seam (16) extends as far as a point, whose distance (a) from the insertion-side hole (26') of the row of holes (26) corresponds approximately to the edge strip width (b).
  6. Foil pocket according to one of claims 1 to 5, characterized in that the outer edge of the edge strip (14) is formed by a weld or pasted seam (18).
  7. Foil pocket according to one of claims 1 to 6, characterized in that the inner weld or pasted seam (16) and the outer edge in the form of a weld or pasted seam (18) delimit a preferably closed edge strip pocket (14) for receiving the stiffening insert (24).
  8. Foil pocket according to claim 7, characterized in that the inner and outer weld or pasted seams (16, 18) are connected to one another at their ends by preferably convexly rounded-off connecting seams (20, 22) so as to form a closed edge strip pocket (14).
  9. Foil pocket according to one of claims 1 to 8, characterized in that the layers of foil (10) and/or the stiffening strip (24) are made of polypropylene.
  10. Foil pocket according to one of claims 1 to 9, characterized in that at least one of the layers of foil (10), in the region of its side edge (30) delimiting the insertion opening, has an open-edged recess (34) extending as far as into the vicinity of the oblique section (32) of the inner weld or pasted seam (16).
  11. Foil pocket according to one of claims 1 to 10, characterized in that the oblique section is approximately twice as long as the width (b) of the edge strip (14), and that the acute angle (α) is approximately 15°.
EP92121592A 1992-02-01 1992-12-18 Pocket in foil material Expired - Lifetime EP0554556B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4202884A DE4202884A1 (en) 1992-02-01 1992-02-01 FILM BAG
DE4202884 1992-02-01

Publications (2)

Publication Number Publication Date
EP0554556A1 EP0554556A1 (en) 1993-08-11
EP0554556B1 true EP0554556B1 (en) 1996-06-26

Family

ID=6450762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92121592A Expired - Lifetime EP0554556B1 (en) 1992-02-01 1992-12-18 Pocket in foil material

Country Status (2)

Country Link
EP (1) EP0554556B1 (en)
DE (2) DE4202884A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402176B (en) * 1996-01-19 1997-02-25 Otto Oswald Dr STORAGE COVER
AU7060201A (en) * 2000-06-28 2002-01-08 Christian Schroder Transparent envelope

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE658815A (en) *
FR1116735A (en) * 1954-12-31 1956-05-11 Plastic folder for files
CH342200A (en) * 1956-02-06 1959-11-15 Hetzel & Co Protective cover made of transparent foils for inserting advertising material, photos, tables and the like
DE1765015U (en) * 1958-02-17 1958-04-17 Walter Lennartz COVER MADE OF PLASTIC FILM.
DE1536634A1 (en) * 1966-05-13 1970-03-05 Walter Lennartz Briefcase made of plastic
GB2159768A (en) * 1984-06-01 1985-12-11 Charles Leo Lind Pocket for papers

Also Published As

Publication number Publication date
DE59206662D1 (en) 1996-08-01
DE4202884A1 (en) 1993-08-05
EP0554556A1 (en) 1993-08-11

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