EP0047437A2 - Disposable writing instrument - Google Patents

Disposable writing instrument Download PDF

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Publication number
EP0047437A2
EP0047437A2 EP81106642A EP81106642A EP0047437A2 EP 0047437 A2 EP0047437 A2 EP 0047437A2 EP 81106642 A EP81106642 A EP 81106642A EP 81106642 A EP81106642 A EP 81106642A EP 0047437 A2 EP0047437 A2 EP 0047437A2
Authority
EP
European Patent Office
Prior art keywords
container
blackness
pen
air gap
writing tip
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
Application number
EP81106642A
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German (de)
French (fr)
Other versions
EP0047437B1 (en
EP0047437A3 (en
Inventor
Pentti Olavi Tiira
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.)
Valmet Technologies Oy
Original Assignee
Valmet Oy
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 Valmet Oy filed Critical Valmet Oy
Publication of EP0047437A2 publication Critical patent/EP0047437A2/en
Publication of EP0047437A3 publication Critical patent/EP0047437A3/en
Application granted granted Critical
Publication of EP0047437B1 publication Critical patent/EP0047437B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/02—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/003—Pen barrels

Definitions

  • the invention relates to a disposable pen which consists of a tubular writing tip, an inner piece which is arranged in the interior of this writing tip and is provided with capillary tubes, and a container for writing ink.
  • Disposable recorders of the type described above are generally used e.g. B. used in electronic tape recorders.
  • the normal lifespan of a single-use recorder is 1 to 6 months, which corresponds to a continuous display line of approx. 2300 m.
  • a recorder is exchanged for a new one if it no longer draws faster measurement signal changes in the relevant registration cases.
  • the construction of a disposable writer currently in general use is as follows.
  • the blackness is soaked in a viscose fiber filler in the blackness container. Fibers of this type are arranged unsystematically.
  • a disadvantage of this known construction is that the viscose filler does not release all of the blackness, but retains a so-called residual blackness.
  • additional air is absorbed through a special hole pushed through the wall of the black tank. With the help of the viscose fiber filler, the hydrostatic pressure is balanced, which is different for every pen.
  • a single-use recorder in which a stiff black in viscosity is absorbed in a fiber filler.
  • the fibers are aligned in the longitudinal direction of the ink container so that the ink runs to the writing tip and from there onto the paper.
  • a so-called dry air gap in which there is no blackness, remains between the tubular writing tip and the inner piece arranged therein.
  • This one-time use recorder is used e.g. B. made so that the blackened fiber filler is inserted into the container before the ultrasonic welding of the rear container wall, so that the air hole remains open.
  • a disposable pen of this type can also be produced with an air hole in the wall of the blackness container.
  • the object of the invention is to improve the currently known disposable writers.
  • the object of the invention is to provide a single-use recorder in which no so-called residual blackness remains, which increases the blackening capacity.
  • the invention has for its object to provide a single-use recorder in which a filler is not required at all.
  • the invention is also intended to provide a single-use recorder whose construction is very simple and whose maintenance requirement is extremely low.
  • the invention has for its object to provide a single-use recorder in which the height of the black container does not has an influence on the function of the writer.
  • a single-use recorder for which it is essentially characteristic that a narrow, black-filled air gap for guiding substitute air into the container is formed between the tubular writing tip and an inner piece arranged therein, and that otherwise said container is completely closed.
  • the width of this air gap is appropriately about 0.1 mm.
  • the hydrostatic pressure is compensated by the liquid column in the air gap of the tubular pen.
  • the writing tip comes into contact with porous paper and the blackness is drawn out of the container by the capillary force, a small negative pressure is created in the blackening container. This negative pressure sucks in air through the air gap of the writing tip, which takes the place of the leaked blackness.
  • the replacement air does not get uninhibited into the blackness container because there is blackness in the air gap.
  • the suitable width of the air gap is approximately 0.1 mm. With this air gap width, the blackness is suitable applied the registration paper.
  • the recorder according to the invention which can be used once, also increases the blackness capacity since no so-called residual blackness remains.
  • the writer according to the invention is also simple in construction and significantly reduces the maintenance requirement of writers, since the single-use writer according to the invention writes longer than the previously known single-use writers.
  • the filler is not required at all in the disposable pen according to the invention. Due to the type of compensation of the hydrostatic pressure described above, the hydrostatic pressure arises from the height difference between the outlet of the writing tip and the writing end of the inner piece, the height of the black container having no influence on the function of the single-use pen.
  • the single-use recorder according to the invention is generally included designated by the reference numeral 10.
  • the disposable pen 10 consists of a tubular writing tip 11, an inner piece 12 arranged therein, which contains capillary tubes, and a black container 13, which is filled with black 14.
  • the inside of the writing tip 11 arranged inner piece 12 has a dense outer skin 15 which, for. B. consists of nylon or another suitable plastic.
  • a narrow gap 17 filled with black is formed between the writing tip 11 and the inner piece 12 for guiding replacement air into the black container 13.
  • the blackness container 13 is otherwise completely closed. It is also essential that there is no filler in the blackness container 13 which is soaked with the blackness.
  • the hydrostatic pressure is compensated in the disposable pen 10 according to the invention by the black column present in the air gap 17 of the writing tip 11.
  • the hydrostatic pressure difference 4p is thus constant in all recorders, i.e. H. approx. 2 mm.
  • a small negative pressure forms in the blackness container 13.
  • This vacuum draws replacement air for the leaked blackness through the air gap 17 of the writing tip 11 into the container.
  • the replacement air does not get into the blackness container 13 unhindered because there is blackness in the air gap 17.
  • the width of the air gap is expediently approximately 0.1 mm, which has been determined in experiments as a suitable size. If the temperature changes of the recorder are slow, the line width remains constant. Rapid changes in temperature, on the other hand, result in line narrowing or excessive blackness.

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  • Recording Measured Values (AREA)
  • Pens And Brushes (AREA)

Abstract

1. Recorder comprising a tubular nib (11), an internal member (12) disposed in the interior of said nib (11) and provided with capillary tubes (16), a black dye container (13) and a slit (17) for guiding compensation air into the otherwise completely closed black dye container (13), said slit being provided between said nib (11) and said internal member (12) arranged therein, characterized in that said slit (17) is filled with black dye and in that the compensation of the hydrostatic pressure of said recorder (10) is effected through the black dye column located in said slit (17) of said nib.

Description

Die Erfindung betrifft einen einmalig verwendbaren Schreiber, der aus einer rohrförmigen Schreibspitze, einem im Inneren dieser Schreibspitze angeordneten, mit Kapillarröhren versehenen Innenstück sowie aus einem Behälter für Schreibschwärze besteht.The invention relates to a disposable pen which consists of a tubular writing tip, an inner piece which is arranged in the interior of this writing tip and is provided with capillary tubes, and a container for writing ink.

Einmalig verwendbare Schreiber der vorstehend beschriebenen Art werden im allgemeinen z. B. in elektronischen Bandschreibern verwendet. Die normale Lebensdauer eines einmalig verwendbaren Schreibers beträgt 1 bis 6 Monate, was einem durchgehenden Anzeigestrich von ca. 2300 m entspricht. In der Praxis wird ein Schreiber gegen einen neuen ausgetauscht, wenn er schnellere Meßsignaländerungen der infragekommenden Registrierfälle nicht mehr zeichnet.Disposable recorders of the type described above are generally used e.g. B. used in electronic tape recorders. The normal lifespan of a single-use recorder is 1 to 6 months, which corresponds to a continuous display line of approx. 2300 m. In practice, a recorder is exchanged for a new one if it no longer draws faster measurement signal changes in the relevant registration cases.

Die Konstruktion eines derzeit allgemein eingesetzten einmalig verwendbaren Schreibers ist folgende. Die Schwärze ist in einen im Schwärzebehälter befindlichen Viskosefaserfüllstoff getränkt. Fasern dieser Art sind unsystematisch angeordnet. Ein Nachteil dieser bekannten Konstruktion besteht darin, daß der Viskosefüllstoff nicht alle Schwärze abgibt, sondern eine sog. Restschwärze in sich zurückbehält. Bei dieser bekannten Ausführung wird durch ein besonderes, durch die Wand des Schwärzebehälters gestoßenes Loch zusätzliche Luft aufgenommen. Mit Hilfe des Viskosefaserfüllstoffs wird der hydrostatische Druck ausgeglichen, der bei jedem Schreiber anders ist.The construction of a disposable writer currently in general use is as follows. The blackness is soaked in a viscose fiber filler in the blackness container. Fibers of this type are arranged unsystematically. A disadvantage of this known construction is that the viscose filler does not release all of the blackness, but retains a so-called residual blackness. In this known version additional air is absorbed through a special hole pushed through the wall of the black tank. With the help of the viscose fiber filler, the hydrostatic pressure is balanced, which is different for every pen.

Bekannt ist auch ein einmalig verwendbarer Schreiber, bei dem eine von der Viskosität her steife Schwärze in einem Faserfüllstoff aufgesaugt ist. Die Fasern sind in Längsrichtung des Schwärzebehälters ausgerichtet, damit die Schwärze zur Schreibspitze und von dort weiter auf das Papier läuft. Bei dieser bekannten Ausführung verbleibt zwischen der rohrförmigen Schreibspitze und dem darin angeordneten Innenstück, ein sogenannter trockener Luftspalt, in dem sich keine Schwärze befindet. Dieser einmalig verwendbare Schreiber wird z. B. so hergestellt, daß der mit Schwärze getränkte Faserfüllstoff vor der Ultraschallschweißung der hinteren Behälterwand in den Behälter eingelegt wird, damit das Luftloch offen bleibt. Alternativ kann ein einmalig verwendbarer Schreiber dieser Art auch mit einem Luftloch in der Wand des Schwärzebehälters hergestellt werden.Also known is a single-use recorder in which a stiff black in viscosity is absorbed in a fiber filler. The fibers are aligned in the longitudinal direction of the ink container so that the ink runs to the writing tip and from there onto the paper. In this known embodiment, a so-called dry air gap, in which there is no blackness, remains between the tubular writing tip and the inner piece arranged therein. This one-time use recorder is used e.g. B. made so that the blackened fiber filler is inserted into the container before the ultrasonic welding of the rear container wall, so that the air hole remains open. Alternatively, a disposable pen of this type can also be produced with an air hole in the wall of the blackness container.

Die Erfindung hat zur Aufgabe, die derzeit bekannten einmalig verwendbaren Schreiber zu verbessern. Im einzelnen besteht die Aufgabe der Erfindung darin, einen einmalig verwendbaren Schreiber zu schaffen, in dem keine sog. Restschwärze zurückbleibt, wodurch die Schwärzekapazität erhöht wird. Außerdem hat die Erfindung zur Aufgabe, einen, einmalig verwendbaren Schreiber zu.schaffen, bei dem ein Füllstoff überhaupt nicht erforderlich ist. Weiter soll die Erfindung einen einmalig verwendbaren Schreiber schaffen, dessen Konstruktion sehr einfach ist und dessen Wartungsbedarf äußerst gering ist. Zusätzlich hat die Erfindung zur Aufgabe, einen einmalig verwendbaren Schreiber zu schaffen, bei dem die Höhenlage des Schwärzebehälters keinen Einfluß auf die Funktion des Schreibers hat.The object of the invention is to improve the currently known disposable writers. In particular, the object of the invention is to provide a single-use recorder in which no so-called residual blackness remains, which increases the blackening capacity. In addition, the invention has for its object to provide a single-use recorder in which a filler is not required at all. The invention is also intended to provide a single-use recorder whose construction is very simple and whose maintenance requirement is extremely low. In addition, the invention has for its object to provide a single-use recorder in which the height of the black container does not has an influence on the function of the writer.

Die Ziele der Erfindung werden mit einem einmalig verwendbaren Schreiber erreicht, für den im wesentlichen charakteristisch ist, daß zwischen der rohrförmigen Schreibspitze und einem darin angeordneten Innenstück ein schmaler, mit Schwärze gefüllter Luftspalt zur Führung von Ersatzluft , in den Behälter gebildet wird, und daß der genannte Behälter sonst völlig geschlossen ist.The objects of the invention are achieved with a single-use recorder, for which it is essentially characteristic that a narrow, black-filled air gap for guiding substitute air into the container is formed between the tubular writing tip and an inner piece arranged therein, and that otherwise said container is completely closed.

Nach Anspruch 2 beträgt die Weite dieses Luftspaltes zweckmäßig ca. 0,1 mm.According to claim 2, the width of this air gap is appropriately about 0.1 mm.

Nach Anspruch 3 befindet sich im Schwärzebehälter des erfindungsgemäßen, einmalig verwendbaren Schreibers kein Füllstoff, der mit der Schwärze getränkt ist.According to claim 3, there is no filler in the blackness container of the disposable recorder according to the invention which is soaked with the blackness.

Mit dem erfindungsgemäßen, einmalig verwendbaren Schreiber werden mehrere bedeutende Vorteile erzielt. Bei dem erfindungsgemäßen, einmalig verwendbaren Schreiber wird der hydrostatische Druck durch die Flüssigkeitssäule im Luftspalt der rohrförmigen Schreibspitze ausgeglichen. Wenn die Schreibspitze mit porösem Papier in Berührung kommt und die Schwärze durch die Kapillarkraft aus dem Behälter gesogen wird, bildet sich dabei im Schwärzebehälter ein kleiner Unterdruck. Dieser Unterdruck saugt durch den Luftspalt der Schreibspitze Luft an, die an die Stelle der ausgetretenen Schwärze tritt.Several significant advantages are achieved with the disposable writer according to the invention. In the case of the pen of the invention, which can be used once, the hydrostatic pressure is compensated by the liquid column in the air gap of the tubular pen. When the writing tip comes into contact with porous paper and the blackness is drawn out of the container by the capillary force, a small negative pressure is created in the blackening container. This negative pressure sucks in air through the air gap of the writing tip, which takes the place of the leaked blackness.

Die Ersatzluft gelangt nicht ungehemmt in den Schwärzebehälter, da sich im Luftspalt Schwärze befindet.The replacement air does not get uninhibited into the blackness container because there is blackness in the air gap.

In Versuchen wurde herausgefunden, daß die geeignete Weite des Luftspaltes ca. 0,1 mm beträgt. Bei dieser Luftspaltenweite wird die Schwärze in geeigneter Weise auf das Registrierpapier aufgetragen. Der erfindungsgemäße, einmalig verwendbare Schreiber erhöht auch die Schwärzekapazität, da keine sog. Restschwärze nachbleibt. Der erfindungsgemäße Schreiber ist außerdem in der Konstruktion einfach und verringert den Wartungsbedarf von Schreibern wesentlich, da der erfindungsgemäße, einmalig verwendbare Schreiber länger als die bisher bekannten, einmalig verwendbaren Schreiber schreibt.Experiments have shown that the suitable width of the air gap is approximately 0.1 mm. With this air gap width, the blackness is suitable applied the registration paper. The recorder according to the invention, which can be used once, also increases the blackness capacity since no so-called residual blackness remains. The writer according to the invention is also simple in construction and significantly reduces the maintenance requirement of writers, since the single-use writer according to the invention writes longer than the previously known single-use writers.

Außerdem ist der Füllstoff in dem erfindungsgemäßen, einmalig verwendbaren Schreiber überhaupt nicht erforderlich. Aufgrund der im vorstehenden beschriebenen Art der Kompensation des hydrostatischen Druckes entsteht der hydrostatische Druck durch die Höhendifferenz zwischen dem Austritt der Schreibspitze und dem Schreibende des Innenstükkes, wobei die Höhenlage des Schwärzebehälters keinen Einfluß auf die Funktion des einmalig verwendbaren Schreibers hat.In addition, the filler is not required at all in the disposable pen according to the invention. Due to the type of compensation of the hydrostatic pressure described above, the hydrostatic pressure arises from the height difference between the outlet of the writing tip and the writing end of the inner piece, the height of the black container having no influence on the function of the single-use pen.

Im folgenden wird die Erfindung unter Hinweis auf ein in den Figuren der beigefügten Zeichnung dargestelltes Ausführungsbeispiel, auf dessen Einzelheiten die Erfindung nicht begrenzt werden soll, ausführlich beschrieben.

  • Fig. 1 zeigt eine vorteilhafte Ausführung des erfindungsgemäßen, einmalig verwendbaren Schreibers in schematischer Seitenansicht.
  • Fig. 2 zeigt einen Querschnitt der Schreibspitze eines erfindungsgemäßen Schreibers.
The invention is described in detail below with reference to an embodiment shown in the figures of the accompanying drawing, to the details of which the invention is not to be limited.
  • Fig. 1 shows an advantageous embodiment of the single-use recorder according to the invention in a schematic side view.
  • Fig. 2 shows a cross section of the writing tip of a recorder according to the invention.

In der Ausführung nach Fig. 1 und 2 ist der erfindungsgemäBe, einmalig verwendbare Schreiber allgemein mit dem Bezugszeichen 10 bezeichnet. Der einmalig verwendbare Schreiber 10 besteht aus einer rohrförmigen Schreibspitze 11, einem darin angeordneten Innenstück 12, das Kapillarröhren enthält, sowie aus einem Schwärzebehälter 13, der mit Schwärze 14 gefüllt ist. Das im Inneren der Schreibspitze 11 angeordnete Innenstück 12 hat eine dichte Außenhaut 15, die z. B. aus Nylon oder einem anderen geeigneten Kunststoff besteht. Im Inneren des Innenstückes 12 befinden sich zahlreiche Kapillarröhren 16. Gemäß der erfinderischen Hauptidee wird zwischen der Schreibspitze 11 und dem Innenstück 12 ein schmaler, mit Schwärze gefüllter Spalt 17 zur Führung von Ersatzluft in den Schwärzebehälter 13 gebildet. Der Schwärzebehälter 13 ist sonst völlig geschlossen. Außerdem ist wesentlich, daß sich im Schwärzebehälter 13 kein Füllstoff befindet, der mit der Schwärze getränkt ist.In the embodiment according to FIGS. 1 and 2, the single-use recorder according to the invention is generally included designated by the reference numeral 10. The disposable pen 10 consists of a tubular writing tip 11, an inner piece 12 arranged therein, which contains capillary tubes, and a black container 13, which is filled with black 14. The inside of the writing tip 11 arranged inner piece 12 has a dense outer skin 15 which, for. B. consists of nylon or another suitable plastic. There are numerous capillary tubes 16 inside the inner piece 12. According to the main idea of the invention, a narrow gap 17 filled with black is formed between the writing tip 11 and the inner piece 12 for guiding replacement air into the black container 13. The blackness container 13 is otherwise completely closed. It is also essential that there is no filler in the blackness container 13 which is soaked with the blackness.

Der Ausgleich des hydrostatischen Druckes wird in dem erfindungsgemäßen, einmalig verwendbaren Schreiber 10 durch die im Luftspalt 17 der Schreibspitze 11 vorhandene Schwärzesäule erzielt. Die hydrostatische Druckdifferenz 4p ist damit in allen Schreibern konstant, d. h. ca. 2 mm. Wenn die Spitze des Schreibers mit einem porösen Registrierpapier in Berührung kommt und die Schwärze 14 durch Kapillarkräfte aus dem Behälter 13 gesogen wird, bildet sich im Schwärzebehälter 13 ein kleiner Unterdruck. Dieser Unterdruck saugt Ersatzluft für die ausgetretene Schwärze durch den Luftspalt 17 der Schreibspitze 11 in den Behälter. Die Ersatzluft gelangt nicht ungehindert in den Schwärzebehälter 13, da sich im Luftspalt 17 Schwärze befindet. Die Weite des Luftspaltes beträgt zweckmäßig ca. 0,1 mm, was in Versuchen als geeignete Größe ermittelt wurde. Wenn die Temperaturänderungen des Schreibers langsam erfolgen bleibt die Strichbreite konstant. Schnelle Temperaturänderungen dagegen haben Strichschmälerungen oder starken Schwärzeausfluß zur Folge.The hydrostatic pressure is compensated in the disposable pen 10 according to the invention by the black column present in the air gap 17 of the writing tip 11. The hydrostatic pressure difference 4p is thus constant in all recorders, i.e. H. approx. 2 mm. When the tip of the pen comes into contact with a porous recording paper and the blackness 14 is sucked out of the container 13 by capillary forces, a small negative pressure forms in the blackness container 13. This vacuum draws replacement air for the leaked blackness through the air gap 17 of the writing tip 11 into the container. The replacement air does not get into the blackness container 13 unhindered because there is blackness in the air gap 17. The width of the air gap is expediently approximately 0.1 mm, which has been determined in experiments as a suitable size. If the temperature changes of the recorder are slow, the line width remains constant. Rapid changes in temperature, on the other hand, result in line narrowing or excessive blackness.

Claims (5)

1. Einmalig verwendbarer Schreiber, der aus einer rohrförmigen Schreiberspitze (11), einem im Inneren dieser Schreibspitze (11) angeordneten, mit Kapillarröhren (16) versehenen Innenstück (12) sowie aus einem Behälter (13) für Schreibschwärze (14) besteht, dadurch gekennzeichnet, daß zwischen der rohrförmigen Schreibspitze (11) des einmalig verwendbaren Schreibers (10) und dem darin angeordneten Innenstück (12) ein schmaler mit Schwärze gefüllter Luftspalt (17) zur Führung von Ersatzluft in den Behälter (13) gebildet wird, und daß der genannte Behälter (13) sonst völlig geschlossen ist.1. One-time use pen, which consists of a tubular pen tip (11), an inside of this pen tip (11) arranged, with capillary tubes (16) provided inner piece (12) and a container (13) for blackness (14), thereby characterized in that between the tubular writing tip (11) of the single-use recorder (10) and the inner piece (12) arranged therein, a narrow air gap (17) filled with black for guiding replacement air into the container (13) is formed, and that otherwise said container (13) is completely closed. 2. Schreiber nach Anspruch 1, dadurch gekennzeichnet, daß die Weite des genannten Luftspaltes (17) zweckmäßig ca. 0,1 mm beträgt.2. A pen according to claim 1, characterized in that the width of said air gap (17) is advantageously approximately 0.1 mm. 3. Schreiber nach Anspruch 1 und 2, daurch gekennzeichnet, daß der genannte Behälter (13) keinen Füllstoff hat, der mit der Schwärze (14) getränkt ist.3. A pen according to claim 1 and 2, characterized in that said container (13) has no filler which is impregnated with the blackness (14). 4. Schreiber nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß der Ausgleich des hydrostatischen Druckes des Schreibers (10) durch die im Luftspalt (17) der Schreibspitze (11) befindliche Schwärzesäule erfolgt.4. A pen according to claim 1 to 3, characterized in that the compensation of the hydrostatic pressure of the Writer (10) through the black column located in the air gap (17) of the writing tip (11). 5. Schreiber nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß das im Inneren der Schreibspitze (11) angeordnete Innenstück (12) eine dichte Außenhaut (15) hat, die zweckmäßig aus Nylon oder einem anderen geeigneten Kunststoff besteht.5. A pen according to claim 1 to 5, characterized in that the inside of the writing tip (11) arranged inner piece (12) has a tight outer skin (15) which suitably consists of nylon or another suitable plastic.
EP19810106642 1980-09-05 1981-08-26 Disposable writing instrument Expired EP0047437B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI802796A FI61101C (en) 1980-09-05 1980-09-05 SCRAPPEN FOR FIRE END
FI802796 1980-09-05

Publications (3)

Publication Number Publication Date
EP0047437A2 true EP0047437A2 (en) 1982-03-17
EP0047437A3 EP0047437A3 (en) 1982-05-26
EP0047437B1 EP0047437B1 (en) 1985-01-16

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Application Number Title Priority Date Filing Date
EP19810106642 Expired EP0047437B1 (en) 1980-09-05 1981-08-26 Disposable writing instrument

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EP (1) EP0047437B1 (en)
DE (1) DE3168317D1 (en)
FI (1) FI61101C (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1124715B (en) * 1958-08-21 1962-03-01 Siemens Ag Reservoir for ink pen
US3767520A (en) * 1971-11-24 1973-10-23 F Dick Extruded fibrous liquid reservoir and method of making same
US3934255A (en) * 1973-08-30 1976-01-20 Sanford Research Company Recorder pen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1124715B (en) * 1958-08-21 1962-03-01 Siemens Ag Reservoir for ink pen
US3767520A (en) * 1971-11-24 1973-10-23 F Dick Extruded fibrous liquid reservoir and method of making same
US3934255A (en) * 1973-08-30 1976-01-20 Sanford Research Company Recorder pen

Also Published As

Publication number Publication date
FI61101B (en) 1982-01-29
DE3168317D1 (en) 1985-02-28
EP0047437B1 (en) 1985-01-16
FI61101C (en) 1982-05-10
EP0047437A3 (en) 1982-05-26

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