EP0469465B1 - Ink writing utensil - Google Patents

Ink writing utensil Download PDF

Info

Publication number
EP0469465B1
EP0469465B1 EP91112479A EP91112479A EP0469465B1 EP 0469465 B1 EP0469465 B1 EP 0469465B1 EP 91112479 A EP91112479 A EP 91112479A EP 91112479 A EP91112479 A EP 91112479A EP 0469465 B1 EP0469465 B1 EP 0469465B1
Authority
EP
European Patent Office
Prior art keywords
ink
capillary
duct
ink supply
chambers
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
EP91112479A
Other languages
German (de)
French (fr)
Other versions
EP0469465A1 (en
Inventor
Bruno Künzler
Udo Obersteller
Hans-Peter Schreiber
Günter Ulrich
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.)
Pelikan GmbH
Original Assignee
Pelikan GmbH
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 Pelikan GmbH filed Critical Pelikan GmbH
Publication of EP0469465A1 publication Critical patent/EP0469465A1/en
Application granted granted Critical
Publication of EP0469465B1 publication Critical patent/EP0469465B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00Pens with writing-points other than nibs or balls
    • B43K8/02Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
    • B43K8/04Arrangements for feeding ink to writing-points

Definitions

  • the invention relates to an ink writing device with a writing tip, an ink supply space and an ink regulator arranged between the ink supply space and the writing tip with a capillary ink channel for supplying ink to the writing tip and with a group of capillary compensation chambers which are delimited by transverse ribs and which are connected by a capillary channel , in particular the ink channel are connected to the ink supply chamber and are connected to a non-capillary ventilation channel which is connected to the ink supply chamber via a compensation chamber and a control gap adjoining the compensation chamber.
  • Writing instruments of this type are known from DE-PS 26 09 668 and DE-OS 35 30 906.
  • an ink supply is reliably held with the aid of the ink regulator without the use of an internal fiber capillary reservoir or a capillary cell.
  • the ink regulator picks up ink emerging from the ink reservoir due to changes in atmospheric pressure or temperature, thereby preventing ink from leaking at the nib.
  • a sufficient amount of ink is fed to the writing tip via the ink channel, so that when using different writing tips, such as hard or soft fiber pens, ballpoint pens or nibs, a smooth, uniform writing is possible.
  • the volume of the ink supply space and thus the largest possible ink supply is dependent on the volume of the capillary compensation chambers. If the ink supply space is too large, if the temperature or the atmospheric pressure changes, more ink can be displaced from the ink supply space than the compensation chambers can accommodate, so that there is an undesirable leakage of ink at the writing tip.
  • the number of compensation chambers and, accordingly, the axial length of the ink regulator is increased in the known ink writing devices to such an extent that the ink channel must be guided separately from the compensation chambers to the writing tip in order to ensure an adequate supply of the writing tip.
  • the ink channel is formed in an ink supply rod which penetrates the ink regulator centrally, making the manufacture of the ink writing device more expensive.
  • a fountain pen with an encapsulated in a sleeve-shaped fountain pen front part which has transverse to the longitudinal axis, eccentric ink ring chambers narrowing at the top of the ink conductor to the capillary spaces.
  • the ink ring chambers are connected to one another by a radial and capillary ink supply channel, a capillary transition being created at the narrow location of the ink ring chambers.
  • the ink ring chambers are connected to one another by a non-capillary, relatively wide ventilation channel.
  • a relatively wide, also non-capillary, second ventilation channel is provided at the transition of the ink supply channel into the ink supply space.
  • the air required to ventilate the ink supply space enters an air hole in the nib and moves along the ink supply channel via the second ventilation channel to the ink supply room.
  • the ventilation takes place here due to the narrow, capillary ink supply channel in a pulsating manner, whereby an economical spelling is to be achieved while avoiding the blotch.
  • the capillary transition from the ink ring chambers to the ink supply channel ensures that the ink routing is kept well moist and that the ink supply channel is constantly connected to the ink ring chambers so that the fountain pen writes immediately even after long periods of non-use. Ventilation of the ink supply space via the first ventilation channel arranged on the underside of the ink ring chambers is not provided.
  • the invention has for its object to provide an ink writing device of the type mentioned, which is easy to manufacture and can have a large ink supply space.
  • a further group of capillary compensation chambers adjacent to the ink supply space which are connected to the ventilation channel and each of which is connected with a capillary gap to an ink supply channel leading to the ink supply space and having a capillary gap that is less or not significant in comparison to the capillary gaps, and regardless of the control behavior of the control gap can absorb or release ink, the group of compensation chambers adjacent to the writing tip being cut through the ink channel.
  • the ink channel can cut the group of compensation chambers adjacent to the writing tip, whereby the manufacture of the ink regulator and the assembly of the writing device are simplified.
  • the length of the one adjacent to the writing tip Group of compensation chambers, which is bounded towards the ink supply space by the capillary control gap, including the writing tip connected to the compensation chambers via the ink channel, can without limitation be limited to a length for the entire compensation volume, which is necessary for an optimal supply of the writing tip with ink and favorable control behavior is particularly suitable.
  • the additional compensation volume required is created by the second group of compensation chambers adjacent to the ink space, each of which is connected to the ink space via a capillary gap and can therefore absorb or release ink independently of the control behavior of the control gap. It has been shown in practice that the combination according to the invention of the two groups of compensation chambers, which are connected separately from one another to the ink chamber, results in a very reliable, quick response and uniform ink flow regulating behavior, which is equally suitable for different types of writing tips. While the desired control behavior of the axial length of the group of compensation chambers adjacent to the writing tip sets limits, the group of compensation chambers adjacent to the ink space can be expanded depending on the desired ink space size, without the control behavior being adversely affected thereby.
  • the capillary control gap opens into the ink supply channel.
  • the ink channel can extend parallel to the ink supply channel up to the ink supply space.
  • the ink channel can consist of an axially parallel, radially outwardly open capillary groove, which runs within the compensation chambers and in the wall of the ink supply channel. This configuration contributes to a simple manufacture of the ink regulator and ensures an uninterrupted capillary connection from the ink supply space to the writing tip, which is not interrupted by air pockets can be.
  • the ink channel opens into a bore which is filled with porous material, in particular a fiber material, which surrounds the connecting end of the writing tip which projects into the bore .
  • porous material in particular a fiber material
  • the illustrated ink writing device has a cylindrical shaft 1 which surrounds the ink supply space 2 and is closed at its end, not shown.
  • An ink regulator 3 and a shaft front part 4 are inserted into the open end of the shaft 1 shown.
  • the shaft front part 4 is firmly connected to the shaft 1 and contains a writing tip 5 which consists of a fiber wick.
  • the writing tip 5 is held by ribs 6 arranged in a star shape, between which air channels are provided which have a cavity 7 in the interior of the front part of the shaft 4 connect with the atmosphere.
  • the ink regulator 3 consists of a body of cylindrical basic shape, the outer diameter of which essentially corresponds to the inner diameter of the shaft 1.
  • the end of the ink regulator 3 facing the writing tip 5 engages with a reduced diameter section 8 in the cavity 7 and has a central bore 9 into which the connecting end of the writing tip 5 projects.
  • the bore 9 contains a porous material consisting of fibers, which encloses the connection end of the writing tip 5 and ensures an effective ink flow to the writing tip 5.
  • the deformability of the porous fiber material serves to compensate for manufacturing-related dimensional deviations.
  • annular grooves are worked in, which are separated from one another by thin transverse ribs and form several groups of compensation chambers 10, 11, 12, 13.
  • the axial width of the equalizing chambers 10 to 13 corresponds to the capillary effect desired in each case.
  • the equalization chambers 10, 11, 12, it decreases from the writing tip 5 in the direction of the ink supply space 2 from group to group.
  • the width of the equalization chambers 13 in turn corresponds approximately to that of the equalization chambers 11.
  • the equalization chambers 13 In contrast to the equalization chambers 10 to 12, which are arranged concentrically to the cylinder axis of the ink regulator 3, the equalization chambers 13 have a common axis which runs parallel to the cylinder axis of the ink regulator 3.
  • the equalizing chambers 13 thus have an eccentric position, their greatest radial depth being in the image plane of the left half of the image and their smallest radial depth being in the image plane of the right half of the image.
  • the ink regulator 3 has a capillary ink duct 17 which extends from the ink supply space 2 to the most distant compensation chamber 10 and opens into the bore 9 within the compensation chambers 10.
  • the ink channel 17 is in direct connection with the compensation chambers 10 to 12 since it cuts through them, and is dimensioned so narrow that ink displaced into the compensation chambers 10 to 12 can be sucked off again via the ink channel 17.
  • the compensation chambers 13 are each connected to the ink supply channel 18 by a capillary gap 19, which is formed by their eccentric position.
  • the ink supply channel 18 is open to the ink supply space 2.
  • the ink supply channel 18 is separated from the compensation chambers 12 by a control gap 20, the width of which is slightly larger than the width of the ink channel 17.
  • the ink passes from the ink supply space 2 through the capillary ink channel 17 into the bore 9 filled with porous fiber material and from there into the writing tip 5.
  • the ink also fills the ink supply channel 18 during writing, whereby it is retained at the capillary gap 19. If the pressure in the ink supply space 2 decreases due to the consumption of ink, then air penetrating into the cavity 7 between the ribs 6 can pass through the ventilation slot 16, the annular channel 15 and the ventilation channel 14 into the control gap 20
  • ink If ink is displaced from the ink supply space as a result of an external pressure drop or an increase in temperature, it can penetrate into the compensation chambers 10 to 12 via the ink channel 17 and fill these gradually, starting from the top and progressively downwards. At the same time, part of the displaced ink volume can penetrate into the compensation chambers 13 via the capillary gaps 19. In this way, a comparatively large volume of ink can be stored in the compensation chambers 10 to 13 without the ink leakage behavior at the writing tip 5 changing.
  • the ink stored in the equalization chambers 10 to 13 is returned to the ink supply space 2 in the same way, since air can only get into the ink supply space 2 again via the control gap 20 when the ink runs out the compensation chamber 12 adjacent to the control gap 20 is suctioned off. If the pressure and temperature conditions do not lead to the emptying of the equalizing chambers 10 to 13, then the equalizing chambers 10 to 13 are emptied when writing, since the ink is first drawn off from the equalizing chambers 10 to 13 before there is a further inflow from the ink supply space.
  • the ink pen described can be easily and inexpensive to manufacture, since the ink regulator with its outwardly open longitudinal and transverse grooves can be easily manufactured as a one-piece component and does not require any special assembly work. This is made possible above all by the arrangement and configuration of the compensation chambers described, since a complex ink channel penetrating the ink regulator separately from the compensation chambers is not necessary.

Description

Die Erfindung betrifft ein Tintenschreibgerät mit einer Schreibspitze, einem Tintenvorratsraum und einem zwischen dem Tintenvorratsraum und der Schreibspitze angeordneten Tintenregler mit einem kapillaren Tintenkanal zum Zuführen von Tinte zur Schreibspitze und mit einer der Schreibspitze benachbarten Gruppe von durch Querrippen begrenzten, kapillaren Ausgleichskammern, die über einen Kapillarkanal, insbesondere den Tintenkanal mit dem Tintenvorratsraum in Verbindung stehen und an einen nicht kapillaren Belüftungskanal angeschlossen sind, der über eine Ausgleichskammer und einen an die Ausgleichskammer angrenzenden Regelspalt an dem Tintenvorratsraum angeschlossen ist.The invention relates to an ink writing device with a writing tip, an ink supply space and an ink regulator arranged between the ink supply space and the writing tip with a capillary ink channel for supplying ink to the writing tip and with a group of capillary compensation chambers which are delimited by transverse ribs and which are connected by a capillary channel , in particular the ink channel are connected to the ink supply chamber and are connected to a non-capillary ventilation channel which is connected to the ink supply chamber via a compensation chamber and a control gap adjoining the compensation chamber.

Schreibgeräte dieser Art sind aus der DE-PS 26 09 668 und der DE-OS 35 30 906 bekannt. Bei diesen bekannten Schreibgeräten wird mit Hilfe des Tintenreglers ein Tintenvorrat ohne Verwendung eines internen, aus Fasern bestehenden Kapillarreservoirs oder einer Kapillarzelle zuverlässig gehalten. Der Tintenregler nimmt durch Änderungen des Atmosphärendrucks oder der Temperatur aus dem Tintenvorratsraum austretende Tinte auf und verhindert dadurch ein Auslecken der Tinte an der Schreibspitze. Gleichzeitig wird über den Tintenkanal eine ausreichende Tintenmenge an die Schreibspitze herangeführt, so daß bei Verwendung unterschiedlicher Schreibspitzen, wie harten oder weichen Faserstiften, Kugelschreibspitzen oder Schreibfedern jeweils ein glattes, gleichmäßiges Schreiben möglich ist.Writing instruments of this type are known from DE-PS 26 09 668 and DE-OS 35 30 906. In these known writing instruments, an ink supply is reliably held with the aid of the ink regulator without the use of an internal fiber capillary reservoir or a capillary cell. The ink regulator picks up ink emerging from the ink reservoir due to changes in atmospheric pressure or temperature, thereby preventing ink from leaking at the nib. At the same time, a sufficient amount of ink is fed to the writing tip via the ink channel, so that when using different writing tips, such as hard or soft fiber pens, ballpoint pens or nibs, a smooth, uniform writing is possible.

Bei derartigen Tintenschreibgeräten ist das Volumen des Tintenvorratsraums und damit der größtmöglichste Tintenvorrat von dem Volumen der kapillaren Ausgleichskammern abhängig. Ist der Tintenvorratsraum zu groß, so kann bei einer Anderung der Temperatur oder des Atmosphärendrucks mehr Tinte aus dem Tintenvorratsraum verdrängt werden, als die Ausgleichskammern aufzunehmen vermögen, so daß es zu einem unerwünschten Austreten von Tinte an der Schreibspitze kommt. In dem Bestreben einen möglichst großen Tintenvorrat vorzuhalten, ist bei den bekannten Tintenschreibgeräten die Zahl der Ausgleichskammern und dementsprechend die axiale Baulänge des Tintenreglers soweit vergrößert, daß der Tintenkanal getrennt von den Ausgleichskammern zur Schreibspitze geführt werden muß, um eine ausreichende Versorgung der Schreibspitze zu gewährleisten. Hierzu ist der Tintenkanal in einer den Tintenregler zentral durchdringenden Tintenversorgungsstange ausgebildet, wodurch die Herstellung des Tintenschreibgeräts verteuert wird.In the case of such ink writing devices, the volume of the ink supply space and thus the largest possible ink supply is dependent on the volume of the capillary compensation chambers. If the ink supply space is too large, if the temperature or the atmospheric pressure changes, more ink can be displaced from the ink supply space than the compensation chambers can accommodate, so that there is an undesirable leakage of ink at the writing tip. In the effort to keep as large an ink supply as possible, the number of compensation chambers and, accordingly, the axial length of the ink regulator is increased in the known ink writing devices to such an extent that the ink channel must be guided separately from the compensation chambers to the writing tip in order to ensure an adequate supply of the writing tip. For this purpose, the ink channel is formed in an ink supply rod which penetrates the ink regulator centrally, making the manufacture of the ink writing device more expensive.

Aus der DE-B-1 230 331 ist ein Füllhalter mit einem in einem hülsenförmigen Füllhaltervorderteil eingekapselten Tintenleiter bekannt, der quer zur Längsachse liegende, exzentrische, sich an der Oberseite des Tintenleiters zur kapillaren Räumen verengende Tintenringkammern aufweist. Die Tintenringkammern sind durch einen radialen und kapillaren Tintenzuführungskanal miteinander verbunden, wobei an der engen Stelle der Tintenringkammern ein kapillarer Übergang geschaffen ist. An den Stellen des größten Querschnitts sind die Tintenringkammern durch einen nicht kapillaren, verhältnismäßig breiten Belüftungskanal miteinander verbunden. Weiterhin ist am Übergang des Tintenzuführungskanals in den Tintenvorratsraum ein verhältnismäßig breiter, ebenfalls nicht kapillarer zweiter Belüftungskanal vorgesehen. Bei diesem bekannten Füllhalter tritt die zur Belüftung des Tintenvorratsraums erforderliche Luft bei einem Luftloch in der Schreibfeder ein und bewegt sich den Tintenzuführungskanal entlang über den zweiten Belüftungskanal zum Tintenvorratsraum. Die Belüftung erfolgt hierbei infolge des schmalen, kapillaren Tintenzuführungskanals in pulsierender Weise, wodurch eine sparsame Schreibweise bei Vermeidung des Klecksens erreicht werden soll. Der kapillare Übergang von den Tintenringkammern zum Tintenzuführungskanal bewirkt eine gute Feuchthaltung des Tintenleitweges und eine stete Verbindung des Tintenzuführungskanals zu den Tintenringkammern, damit der Füllhalter auch nach längerem Nichtgebrauch sofort anschreibt. Eine Belüftung des Tintenvorratsraums über den an der Unterseite der Tintenringkammern angeordneten ersten Belüftungskanal ist nicht vorgesehen.From DE-B-1 230 331 a fountain pen with an encapsulated in a sleeve-shaped fountain pen front part is known, which has transverse to the longitudinal axis, eccentric ink ring chambers narrowing at the top of the ink conductor to the capillary spaces. The ink ring chambers are connected to one another by a radial and capillary ink supply channel, a capillary transition being created at the narrow location of the ink ring chambers. At the locations of the largest cross-section, the ink ring chambers are connected to one another by a non-capillary, relatively wide ventilation channel. Furthermore, a relatively wide, also non-capillary, second ventilation channel is provided at the transition of the ink supply channel into the ink supply space. In this known fountain pen, the air required to ventilate the ink supply space enters an air hole in the nib and moves along the ink supply channel via the second ventilation channel to the ink supply room. The ventilation takes place here due to the narrow, capillary ink supply channel in a pulsating manner, whereby an economical spelling is to be achieved while avoiding the blotch. The capillary transition from the ink ring chambers to the ink supply channel ensures that the ink routing is kept well moist and that the ink supply channel is constantly connected to the ink ring chambers so that the fountain pen writes immediately even after long periods of non-use. Ventilation of the ink supply space via the first ventilation channel arranged on the underside of the ink ring chambers is not provided.

Der Erfindung liegt die Aufgabe zugrunde, ein Tintenschreibgerät der eingangs genannten Art zu schaffen, das einfach herstellbar ist und einen großen Tintenvorratssraum haben kann.The invention has for its object to provide an ink writing device of the type mentioned, which is easy to manufacture and can have a large ink supply space.

Diese Aufgabe wird erfindungsgemäß durch eine weitere, dem Tintenvorratsraum benachbarte Gruppe von kapillaren Ausgleichskammern gelöst, die an den Belüftungskanal angeschlossen sind und von denen jede mit einem Kapillarspalt an einen zum Tintenvorratsraum führenden Tintenvorratskanal von im Vergleich zu den Kapillarspalten geringerer oder nicht nennenswerter Kapillarität angeschlossen ist und unabhängig vom Regelverhalten des Regelspalts Tinte aufnehmen oder abgeben kann, wobei die der Schreibspitze benachbarte Gruppe von Ausgleichskammern durch den Tintenkanal angeschnitten wird.This object is achieved according to the invention by a further group of capillary compensation chambers adjacent to the ink supply space, which are connected to the ventilation channel and each of which is connected with a capillary gap to an ink supply channel leading to the ink supply space and having a capillary gap that is less or not significant in comparison to the capillary gaps, and regardless of the control behavior of the control gap can absorb or release ink, the group of compensation chambers adjacent to the writing tip being cut through the ink channel.

Bei dem erfindungsgemäßen Tintenschreibgerät kann der Tintenkanal die der Schreibspitze benachbarte Gruppe von Ausgleichskammern anschneiden, wodurch die Herstellung des Tintenreglers und die Montage des Schreibgeräts vereinfacht werden. Die Baulänge der der Schreibspitze benachbarte Gruppe von Ausgleichskammern, die zum Tintenvorratsraum hin durch den kapillaren Regelspalt begrenzt wird, einschließlich der mit den Ausgleichskammern über den Tintenkanal in Verbindung stehenden Schreibspitze kann ohne Nachteil für das gesamte Ausgleichsvolumen auf eine Länge begrenzt werden, die für eine optimale Versorgung der Schreibspitze mit Tinte und ein günstiges Regelverhalten besonders geeignet ist. Das zusätzlich benötigte Ausgleichsvolumen wird durch die dem Tintenraum benachbarte zweite Gruppe von Ausgleichskammern geschaffen, von denen jede einzelne über einen Kapillarspalt mit dem Tintenraum in Verbindung steht und daher unabhängig von dem Regelverhalten des Regelspalts Tinte aufnehmen oder abgeben kann. Dabei hat sich in der Praxis gezeigt, daß durch die erfindungsgemäße Kombination der beiden, getrennt voneinander an den Tintenraum angeschlossenen Gruppen von Ausgleichskammern ein sehr zuverlässiges, ein schnelles Ansprechen und einen gleichmäßigen Tintenfluß gewährleistendes Regelverhalten ergibt, welches sich für unterschiedliche Arten von Schreibspitzen gleichermaßen eignet. Während das angestrebte Regelverhalten der axialen Baulänge der der Schreibspitze benachbarten Gruppe von Ausgleichskammern Grenzen setzt, kann die dem Tintenraum benachbarte Gruppe von Ausgleichskammern je nach gewünschter Tintenraumgröße erweitert werden, ohne daß dadurch das Regelverhalten nachteilig beeinflußt wird.In the ink writing device according to the invention, the ink channel can cut the group of compensation chambers adjacent to the writing tip, whereby the manufacture of the ink regulator and the assembly of the writing device are simplified. The length of the one adjacent to the writing tip Group of compensation chambers, which is bounded towards the ink supply space by the capillary control gap, including the writing tip connected to the compensation chambers via the ink channel, can without limitation be limited to a length for the entire compensation volume, which is necessary for an optimal supply of the writing tip with ink and favorable control behavior is particularly suitable. The additional compensation volume required is created by the second group of compensation chambers adjacent to the ink space, each of which is connected to the ink space via a capillary gap and can therefore absorb or release ink independently of the control behavior of the control gap. It has been shown in practice that the combination according to the invention of the two groups of compensation chambers, which are connected separately from one another to the ink chamber, results in a very reliable, quick response and uniform ink flow regulating behavior, which is equally suitable for different types of writing tips. While the desired control behavior of the axial length of the group of compensation chambers adjacent to the writing tip sets limits, the group of compensation chambers adjacent to the ink space can be expanded depending on the desired ink space size, without the control behavior being adversely affected thereby.

Erfindungsgemäß kann weiterhin vorgesehen sein, daß der kapillare Regelspalt in den Tintenvorratskanal mündet. Weiterhin kann der Tintenkanal sich parallel zum Tintenvorratskanal bis zum Tintenvorratsraum erstrecken. Hierbei kann der Tintenkanal aus einer achsparallelen, radial nach außen offenen Kapillarnut bestehen, die die innerhalb der Ausgleichskammern und in der Wand des Tintenvorratskanals verläuft. Diese Ausgestaltung trägt zu einer einfachen Herstellbarkeit des Tintenreglers bei und gewährleistet eine ununterbrochene kapillare Verbindung vom Tintenvorratsraum zur Schreibspitze, die nicht durch Lufteinschlüsse unterbrochen werden kann.According to the invention it can further be provided that the capillary control gap opens into the ink supply channel. Furthermore, the ink channel can extend parallel to the ink supply channel up to the ink supply space. Here, the ink channel can consist of an axially parallel, radially outwardly open capillary groove, which runs within the compensation chambers and in the wall of the ink supply channel. This configuration contributes to a simple manufacture of the ink regulator and ensures an uninterrupted capillary connection from the ink supply space to the writing tip, which is not interrupted by air pockets can be.

Um unterschiedliche Schreibspitzen auf einfache und wirksame Weise an den Tintenregler anschließen zu können, mündet in einer weiteren Ausgestaltung der Erfindung der Tintenkanal in eine Bohrung, die mit porösem Material, insbesondere einem Fasermaterial, ausgefüllt ist, das das in die Bohrung ragende Anschlußende der Schreibspitze umgibt. Hierdurch können Schreibspitzen unterschiedlicher Formgestalt ohne besondere Anpassung mit einem einheitlichen Tintenregler verbunden werden.In order to be able to connect different writing tips to the ink regulator in a simple and effective manner, in a further embodiment of the invention the ink channel opens into a bore which is filled with porous material, in particular a fiber material, which surrounds the connecting end of the writing tip which projects into the bore . In this way, writing tips of different shapes can be connected to a uniform ink regulator without special adaptation.

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels näher erläutert, das in der Zeichnung dargestellt ist. Es zeigen

Figur 1
einen Längsschnitt durch das schreibspitzenseitige Ende eines erfindungsgemäßen Tintenschreibgeräts,
Figur 2
einen Querschnitt entlang der Linie 2-2,
Figur 3
einen Querschnitt entlang der Linie 3-3 und
Figur 4
einen Querschnitt entlang der Linie 4-4 des Tintenschreibgeräts gemäß Figur 1.
The invention is explained in more detail below using an exemplary embodiment which is illustrated in the drawing. Show it
Figure 1
2 shows a longitudinal section through the tip of an ink writing device according to the invention,
Figure 2
a cross section along the line 2-2,
Figure 3
a cross section along the line 3-3 and
Figure 4
2 shows a cross section along the line 4-4 of the ink writing device according to FIG. 1.

Das dargestellte Tintenschreibgerät weist einen zylindrischen Schaft 1 auf, der den Tintenvorratsraum 2 umschließt und an seinem nicht dargestellten Ende verschlossen ist. In das dargestellte, offene Ende des Schafts 1 ist ein Tintenregler 3 und ein Schaftvorderteil 4 eingesetzt. Das Schaftvorderteil 4 ist mit dem Schaft 1 fest verbunden und enthält eine Schreibspitze 5, die aus einem Faserdocht besteht. Die Schreibspitze 5 ist von sternförmig angeordneten Rippen 6 gehalten, zwischen denen Luftkanäle vorgesehen sind, die einen Hohlraum 7 im Innern des Schaftvorderteils 4 mit der Atmosphäre verbinden.The illustrated ink writing device has a cylindrical shaft 1 which surrounds the ink supply space 2 and is closed at its end, not shown. An ink regulator 3 and a shaft front part 4 are inserted into the open end of the shaft 1 shown. The shaft front part 4 is firmly connected to the shaft 1 and contains a writing tip 5 which consists of a fiber wick. The writing tip 5 is held by ribs 6 arranged in a star shape, between which air channels are provided which have a cavity 7 in the interior of the front part of the shaft 4 connect with the atmosphere.

Der Tintenregler 3 besteht aus einem Körper von zylindrischer Grundform, dessen Außendurchmesser im wesentlichen dem Innendurchmesser des Schafts 1 entspricht. Das der Schreibspitze 5 zugekehrte Ende des Tintenreglers 3 greift mit einem im Durchmesser verringerten Abschnitt 8 in den Hohlraum 7 ein und weist eine mittige Bohrung 9 auf, in die das Anschlußende der Schreibspitze 5 hineinragt. Die Bohrung 9 enthält ein poröses, aus Fasern bestehendes Material, welches das Anschlußende der Schreibspitze 5 umschließt und für einen wirksamen Tintenfluß zur Schreibspitze 5 sorgt. Die Verformbarkeit des porösen Fasermaterials dient zum Ausgleich von herstellungsbedingten Maßabweichungen.The ink regulator 3 consists of a body of cylindrical basic shape, the outer diameter of which essentially corresponds to the inner diameter of the shaft 1. The end of the ink regulator 3 facing the writing tip 5 engages with a reduced diameter section 8 in the cavity 7 and has a central bore 9 into which the connecting end of the writing tip 5 projects. The bore 9 contains a porous material consisting of fibers, which encloses the connection end of the writing tip 5 and ensures an effective ink flow to the writing tip 5. The deformability of the porous fiber material serves to compensate for manufacturing-related dimensional deviations.

In die zylindrische Mantelfläche des Tintenreglers 3 sind kreisringförmige Nuten eingearbeitet, die durch dünne Querrippen voneinander getrennt sind und mehrere Gruppen von Ausgleichskammern 10, 11, 12, 13 bilden. Die axiale Breite der Ausgleichskammern 10 bis 13 entspricht der jeweils gewünschten Kapillarwirkung. Sie nimmt bei den Ausgleichskammern 10, 11, 12 von der Schreibspitze 5 ausgehend in Richtung auf den Tintenvorratsraum 2 von Gruppe zu Gruppe ab. Die Breite der Ausgleichskammern 13 wiederum entspricht etwa derjenigen der Ausgleichskammern 11. Im Gegensatz zu den Ausgleichskammern 10 bis 12, die konzentrisch zur Zylinderachse des Tintenreglers 3 angeordnet sind, haben die Ausgleichskammern 13 eine gemeinsame Achse, die parallel zur Zylinderachse des Tintenreglers 3 verläuft. Die Ausgleichskammern 13 haben somit eine exzentrische Lage, wobei ihre größte radiale Tiefe in der Abbildungsebene der linken Abbildungshälfte und ihre geringste radiale Tiefe in der Abbildungsebene der rechten Abbildungshälfte liegt.In the cylindrical outer surface of the ink regulator 3, annular grooves are worked in, which are separated from one another by thin transverse ribs and form several groups of compensation chambers 10, 11, 12, 13. The axial width of the equalizing chambers 10 to 13 corresponds to the capillary effect desired in each case. In the equalization chambers 10, 11, 12, it decreases from the writing tip 5 in the direction of the ink supply space 2 from group to group. The width of the equalization chambers 13 in turn corresponds approximately to that of the equalization chambers 11. In contrast to the equalization chambers 10 to 12, which are arranged concentrically to the cylinder axis of the ink regulator 3, the equalization chambers 13 have a common axis which runs parallel to the cylinder axis of the ink regulator 3. The equalizing chambers 13 thus have an eccentric position, their greatest radial depth being in the image plane of the left half of the image and their smallest radial depth being in the image plane of the right half of the image.

Durch sämtliche Ausgleichskammern 10 bis 13 hindurch erstreckt sich ein durch eine nicht kapillare Längsnut gebildeter Belüftungskanal 14, der an seinem der Schreibspitze zugekehrten Ende in einen nicht kapillaren Ringkanal 15 mündet. Der Ringkanal 15 steht über einen Belüftungsschlitz 16, der sich auf der dem Belüftungskanal 14 entgegengesetzten Seite des Tintenreglers 3 befindet, mit dem Hohlraum 7 in Verbindung. Auf der dem Belüftungskanal entgegengesetzten Seite weist der Tintenregler 3 einen kapillaren Tintenkanal 17 auf, der sich von dem Tintenvorratsraum 2 bis zu der von diesem am weitesten entfernten Ausgleichskammer 10 erstreckt und innerhalb der Ausgleichskammern 10 in die Bohrung 9 mündet. Der Tintenkanal 17 steht mit den Ausgleichskammern 10 bis 12 unmittelbar in Verbindung, da er diese durchschneidet, und ist so schmal bemessen, daß in die Ausgleichskammern 10 bis 12 verdrängte Tinte über den Tintenkanal 17 wieder abgesaugt werden kann. Im Bereich der Ausgleichskammern 13 grenzt radial nach außen an den Tintenkanal 17 ein Tintenvorratskanal 18, der erheblich breiter ist als der Tintenkanal 17 und keine nennenswerte Kapillarwirkung hat. Die Ausgleichskammern 13 sind jeweils durch einen Kapillarspalt 19, der durch ihre exzentrische Lage gebildet ist, an den Tintenvorratskanal 18 angeschlossen. Der Tintenvorratskanal 18 ist zum Tintenvorratsraum 2 offen. Von den Ausgleichskammern 12 ist der Tintenvorratskanal 18 durch einen Regelspalt 20 getrennt, dessen Breite geringfügig größer ist als die Breite des Tintenkanals 17.Through all compensation chambers 10 through 13 extends through a non-capillary longitudinal groove formed ventilation channel 14, which opens at its end facing the writing tip into a non-capillary ring channel 15. The ring channel 15 is connected to the cavity 7 via a ventilation slot 16, which is located on the side of the ink regulator 3 opposite the ventilation channel 14. On the side opposite the ventilation duct, the ink regulator 3 has a capillary ink duct 17 which extends from the ink supply space 2 to the most distant compensation chamber 10 and opens into the bore 9 within the compensation chambers 10. The ink channel 17 is in direct connection with the compensation chambers 10 to 12 since it cuts through them, and is dimensioned so narrow that ink displaced into the compensation chambers 10 to 12 can be sucked off again via the ink channel 17. In the area of the equalizing chambers 13, an ink supply channel 18, which is considerably wider than the ink channel 17 and has no appreciable capillary action, borders radially outward on the ink channel 17. The compensation chambers 13 are each connected to the ink supply channel 18 by a capillary gap 19, which is formed by their eccentric position. The ink supply channel 18 is open to the ink supply space 2. The ink supply channel 18 is separated from the compensation chambers 12 by a control gap 20, the width of which is slightly larger than the width of the ink channel 17.

Bei dem beschriebenen Tintenschreibgerät gelangt die Tinte aus dem Tintenvorratsraum 2 durch den kapillaren Tintenkanal 17 in die mit porösem Fasermaterial gefüllte Bohrung 9 und von dort in die Schreibspitze 5. Die Tinte füllt beim Schreiben auch den Tintenvorratskanal 18 , wobei sie am Kapillarspalt 19 zurückgehalten wird. Nimmt durch den Verbrauch von Tinte der Druck im Tintenvorratsraum 2 ab, so kann zwischen den Rippen 6 hindurch in den Hohlraum 7 eindringende Luft über den Belüftungsschlitz 16, den Ringkanal 15 und den Belüftungskanal 14 in die an den Regelspalt 20 angrenzende Ausgleichskammer 12 gelangen und von dort in Form von kleinen Bläschen durch den Regelspalt 20 hindurchtreten und im Tintenvorratskanal 18 zum Tintenvorratsraum 2 aufsteigen. Hierdurch wird ein Druckausgleich geschaffen und ein geregeltes Nachströmen von Tinte zur Schreibspitze gewährleistet. Der Abstand des Regelspalts 20 von dem mit dem Papier in Berührung tretenden Ende der Schreibspitze ist dabei dem gewünschten Regelverhalten angepaßt. Sowohl eine Vergrößerung als auch eine Verkleinerung dieses Abstands würde zu einem weniger günstigen Regelverhalten führen.In the case of the described ink writing device, the ink passes from the ink supply space 2 through the capillary ink channel 17 into the bore 9 filled with porous fiber material and from there into the writing tip 5. The ink also fills the ink supply channel 18 during writing, whereby it is retained at the capillary gap 19. If the pressure in the ink supply space 2 decreases due to the consumption of ink, then air penetrating into the cavity 7 between the ribs 6 can pass through the ventilation slot 16, the annular channel 15 and the ventilation channel 14 into the control gap 20 Adjoining equalization chamber 12 and from there pass through the control gap 20 in the form of small bubbles and rise in the ink supply channel 18 to the ink supply space 2. This creates a pressure equalization and ensures a controlled flow of ink to the writing tip. The distance of the control gap 20 from the end of the writing tip which comes into contact with the paper is adapted to the desired control behavior. Both increasing and decreasing this distance would result in less favorable control behavior.

Wird infolge eines äußeren Druckabfalls oder einer Temperaturerhöhung Tinte aus dem Tintenvorratsraum verdrängt, so kann diese über den Tintenkanal 17 in die Ausgleichskammern 10 bis 12 eindringen und diese von oben beginnend und nach unten fortschreitend allmählich füllen. Gleichzeitig kann über die Kapillarspalte 19 ein Teil des verdrängten Tintenvolumens in die Ausgleichskammern 13 eindringen. Auf diese Weise kann ein vergleichsweise großes Tintenvolumen in den Ausgleichskammern 10 bis 13 gespeichert werden, ohne daß sich das Tintenaustrittsverhalten an der Schreibspitze 5 ändert. Kehren sich die Druck- oder Temperaturänderungen wieder um, so wird auf dem gleich Wege die in den Ausgleichskammern 10 bis 13 angespeicherte Tinte wieder zum Tintenvorratsraum 2 zurückgeführt, da über den Regelspalt 20 erst wieder Luft in den Tintenvorratsraum 2 gelangen kann, wenn die Tinte aus der dem Regelspalt 20 benachbarten Ausgleichskammer 12 abgesaugt ist. Führen die Druck und Temperaturverhältnisse nicht zum Entleeren der Ausgleichskammern 10 bis 13, so erfolgt das Entleeren der Ausgleichskammern 10 bis 13 beim Schreiben, da die Tinte dabei zunächst aus den Ausgleichskammern 10 bis 13 abgezogen wird, bevor ein erneutes Nachströmen aus dem Tintenvorratsraum erfolgt.If ink is displaced from the ink supply space as a result of an external pressure drop or an increase in temperature, it can penetrate into the compensation chambers 10 to 12 via the ink channel 17 and fill these gradually, starting from the top and progressively downwards. At the same time, part of the displaced ink volume can penetrate into the compensation chambers 13 via the capillary gaps 19. In this way, a comparatively large volume of ink can be stored in the compensation chambers 10 to 13 without the ink leakage behavior at the writing tip 5 changing. If the pressure or temperature changes are reversed again, the ink stored in the equalization chambers 10 to 13 is returned to the ink supply space 2 in the same way, since air can only get into the ink supply space 2 again via the control gap 20 when the ink runs out the compensation chamber 12 adjacent to the control gap 20 is suctioned off. If the pressure and temperature conditions do not lead to the emptying of the equalizing chambers 10 to 13, then the equalizing chambers 10 to 13 are emptied when writing, since the ink is first drawn off from the equalizing chambers 10 to 13 before there is a further inflow from the ink supply space.

Das beschriebene Tintenschreibgerät läßt sich auf einfache und kostengünstige Weise herstellen, da der Tintenregler mit seinen nach außen offenen Längs- und Quernuten als einstückiges Bauteil leicht hergestellt werden kann und keinen besonderen Montageaufwand erfordert. Dies wird vorallem durch die beschriebene Anordnung und Ausgestaltung der Ausgleichskammern ermöglicht, da ein aufwendiger, den Tintenregler getrennt von den Ausgleichskammern durchdringender Tintenkanal nicht erforderlich ist.The ink pen described can be easily and inexpensive to manufacture, since the ink regulator with its outwardly open longitudinal and transverse grooves can be easily manufactured as a one-piece component and does not require any special assembly work. This is made possible above all by the arrangement and configuration of the compensation chambers described, since a complex ink channel penetrating the ink regulator separately from the compensation chambers is not necessary.

Claims (5)

  1. An ink writing instrument comprising a writing tip (5), an ink storage chamber (2) and an ink regulator (3) disposed between the ink storage chamber (2) and the writing tip (5) and having a capillary ink duct (17) for supplying ink to the writing tip and also comprising a group of capillary compensating chambers (10 - 12) bounded by transverse ribs and communicating with the ink supply chamber via a capillary duct, especially the ink duct, and connected to a non- capillary venting duct (14) which is connected to the ink supply chamber via a compensating chamber (12) and a regulating gap (20) adjacent the compensating chamber, the gap being situated at the end of the aforementioned group of compensating chambers (10 -12) facing the ink supply chamber (2) and controlling the supply of air to the ink supply chamber (2) and thus controlling the flow of ink to the writing tip (5), characterised by an additional group of capillary compensating chambers (13) adjacent the ink supply chamber (2) and connected to the non-capillary venting duct (14), each member of the group being connected via a capillary gap (19) to an ink supply duct (18) leading from the ink supply chamber (2) and having little or negligible capillarity compared with the capillary gaps (19) and being adapted to take in or supply ink irrespective of the regulating properties of the regulating gap (20), the group of compensating chambers (10 - 12) adjacent the writing tip (5) being intersected by the ink duct (17).
  2. An ink writing instrument according to claim 1, characterised in that the capillary regulating gap (20) opens into the ink supply duct (18).
  3. An ink writing instrument according to claim 1 or 2, characterised in that the ink duct (17) extends parallel to the ink supply duct (18) as far as the ink supply chamber (2).
  4. An ink writing instrument according to any preceding claim, characterised in that the ink duct (17) comprises a capillary groove which is parallel to the axis, opens radially outwards, and extends inside the compensating chambers (10 - 12) and in the wall of the ink supply duct (18).
  5. An ink writing instrument according to any preceding claim, characterised in that the ink duct (17) opens into a bore (9) filled with porous material, especially a fibre material, and surrounding that connecting end of the writing tip (5) which extends into the bore (9).
EP91112479A 1990-08-01 1991-07-25 Ink writing utensil Expired - Lifetime EP0469465B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4024382 1990-08-01
DE4024382A DE4024382C1 (en) 1990-08-01 1990-08-01

Publications (2)

Publication Number Publication Date
EP0469465A1 EP0469465A1 (en) 1992-02-05
EP0469465B1 true EP0469465B1 (en) 1995-05-10

Family

ID=6411422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91112479A Expired - Lifetime EP0469465B1 (en) 1990-08-01 1991-07-25 Ink writing utensil

Country Status (3)

Country Link
EP (1) EP0469465B1 (en)
JP (1) JP2524018B2 (en)
DE (2) DE4024382C1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7775734B2 (en) 2007-02-01 2010-08-17 Sanford L.P. Seal assembly for retractable instrument
US7850382B2 (en) 2007-01-18 2010-12-14 Sanford, L.P. Valve made from two materials and writing utensil with retractable tip incorporating same
US8221012B2 (en) 2008-11-07 2012-07-17 Sanford, L.P. Retractable instruments comprising a one-piece valve door actuating assembly
US8226312B2 (en) 2008-03-28 2012-07-24 Sanford, L.P. Valve door having a force directing component and retractable instruments comprising same
US8393814B2 (en) 2009-01-30 2013-03-12 Sanford, L.P. Retractable instrument having a two stage protraction/retraction sequence

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4324476C2 (en) * 1993-07-21 2001-07-05 Staedtler Fa J S Writing or drawing device with writing medium compensation system
DE19538501C1 (en) * 1995-10-02 1997-03-06 Rotring Int Gmbh Ink pen
US5906446A (en) * 1996-10-22 1999-05-25 Bic Corporation Fillerless writing instrument
JP4609978B2 (en) * 1999-07-19 2011-01-12 三菱鉛筆株式会社 Writing instrument
WO2001043985A1 (en) * 1999-12-16 2001-06-21 Mitsubishi Pencil Kabushiki Kaisha Collector type writing implement
CN105848918B (en) 2013-10-21 2017-09-05 有限会社V斯帕克 Pressure oscillation buffer gear and painting deposite device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1230331B (en) * 1961-01-21 1966-12-08 Faber Castell A W Fountain pen with encapsulated, eccentric ink ring chambers having ink feed
US3951555A (en) * 1975-04-14 1976-04-20 The Parker Pen Company Modular writing pen
JPS6145191U (en) * 1984-08-29 1986-03-25 パイロツトインキ株式会社 writing implements

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7850382B2 (en) 2007-01-18 2010-12-14 Sanford, L.P. Valve made from two materials and writing utensil with retractable tip incorporating same
US8246265B2 (en) 2007-01-18 2012-08-21 Sanford, L.P. Valve made from two materials and writing utensil with retractable tip incorporating same
US7775734B2 (en) 2007-02-01 2010-08-17 Sanford L.P. Seal assembly for retractable instrument
US8226312B2 (en) 2008-03-28 2012-07-24 Sanford, L.P. Valve door having a force directing component and retractable instruments comprising same
US8221012B2 (en) 2008-11-07 2012-07-17 Sanford, L.P. Retractable instruments comprising a one-piece valve door actuating assembly
US8393814B2 (en) 2009-01-30 2013-03-12 Sanford, L.P. Retractable instrument having a two stage protraction/retraction sequence
US8568047B2 (en) 2009-01-30 2013-10-29 Sanford, L.P. Retractable instrument having a two stage protraction/retraction sequence

Also Published As

Publication number Publication date
JPH04226797A (en) 1992-08-17
EP0469465A1 (en) 1992-02-05
DE59105424D1 (en) 1995-06-14
DE4024382C1 (en) 1992-08-27
JP2524018B2 (en) 1996-08-14

Similar Documents

Publication Publication Date Title
DE3530906C2 (en) Pen
DE3415859C2 (en) Plotter pen
DE69730614T2 (en) NOT AGAIN TO FILLING WRITE
EP0469465B1 (en) Ink writing utensil
EP1065073B1 (en) Writing implement
DE4201268A1 (en) Technical drawing writing implement - has writing point at front end connected to ink storage chamber and with axially extending pressure compensation chamber
EP0234493A1 (en) Ink pen for drawing or writing
CH640459A5 (en) WRITING TIP FOR AQUEOUS INK.
DE19614784C1 (en) Ink pen
DE920051C (en) Fountain pen
DE2345906A1 (en) PENCIL WITH INK INJECTION DEVICE
EP0314893B1 (en) Ink lead for a fountain pen
DE2319942B2 (en) WRITING DEVICE
DE2437503A1 (en) Writing implement with captive ball tip - ink channels to tip have pieces forming high capillarity intermediate chamber
DE4014642C1 (en) Writing tip for draughting plotter - has writing tube connected to bore with movable weight
EP0533676B1 (en) Writing unit for a cartridge fountain pen
DE19610644A1 (en) Ball-point pen with rearward tip-linked ink capillary and air channel
DE926653C (en) Fountain pen
EP0015310B1 (en) Ink cartridge fountain-pen
DE102010035474B4 (en) Ventilated recorder cartridge
DE1259733B (en) Ink feed for fountain pens
DE1254506B (en) Fountain pen with a covered ink feed that can be inserted into the front part of the shaft from the rear end
DE1906013B2 (en) Writing head for felt tip pen - has screwed-in writing head connected to ink storage chamber
EP1066982B1 (en) Device for applying ink to a surface
DE2136155A1 (en) PEN TIP, ESPECIALLY TUBE PEN TIP

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

17P Request for examination filed

Effective date: 19910820

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT

17Q First examination report despatched

Effective date: 19931020

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: PELIKAN GMBH

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

ET Fr: translation filed
REF Corresponds to:

Ref document number: 59105424

Country of ref document: DE

Date of ref document: 19950614

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19950627

ITF It: translation for a ep patent filed

Owner name: MODIANO & ASSOCIATI S.R.L.

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20090720

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20090724

Year of fee payment: 19

Ref country code: DE

Payment date: 20090731

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20090727

Year of fee payment: 19

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20100725

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20110331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110201

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59105424

Country of ref document: DE

Effective date: 20110201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100802

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100725

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100725