EP0621140B1 - Nachfüllbarer Flüssigkeitsschreiber und Nachfüllbehälter - Google Patents

Nachfüllbarer Flüssigkeitsschreiber und Nachfüllbehälter Download PDF

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Publication number
EP0621140B1
EP0621140B1 EP94105537A EP94105537A EP0621140B1 EP 0621140 B1 EP0621140 B1 EP 0621140B1 EP 94105537 A EP94105537 A EP 94105537A EP 94105537 A EP94105537 A EP 94105537A EP 0621140 B1 EP0621140 B1 EP 0621140B1
Authority
EP
European Patent Office
Prior art keywords
writing
fluid
valve
reservoir
supply reservoir
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
EP94105537A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0621140A1 (de
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 PBS Produktions GmbH and Co KG
Original Assignee
Storelic AG
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
Priority claimed from DE9305635U external-priority patent/DE9305635U1/de
Application filed by Storelic AG filed Critical Storelic AG
Publication of EP0621140A1 publication Critical patent/EP0621140A1/de
Application granted granted Critical
Publication of EP0621140B1 publication Critical patent/EP0621140B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/02—Ink reservoirs
    • B43K5/06—Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle
    • B43K5/08—Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle with ink-supplying valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K11/00—Filling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L25/00—Ink receptacles
    • B43L25/02—Ink receptacles with separate dipping-cups
    • B43L25/04—Ink receptacles with separate dipping-cups supplied by pressure arrangements

Definitions

  • the present invention relates to a refillable liquid pen with a writing tank for supplying the writing tip with writing liquid, and to an associated refill container which is in a direct functional connection with the liquid pen.
  • the writing tank of liquid pens is gradually emptied when writing and air flows into the inside of the tank in the same volume. If this writing tank is empty, it can be refilled with writing fluid or replaced with a full writing tank in the form of a cartridge. Is written with the writing tip, which is usually in the form of a pen, or then with a roller in the case of an ink roller, for example, or using a felt pen.
  • a refillable liquid recorder according to the preamble of claims 1 and 3 with a storage tank for supplying a writing tip with a writing liquid
  • the storage tank can be refilled from the outside via a valve with an associated refill container that can be connected to the valve is.
  • the valve is located in a bore that leads from the outside into the storage tank and consists of a rubber valve plate inserted into the bore is provided with a central capillary opening which remains closed due to the self-resilience of the rubber material and is intended for receiving an injection needle of the refill container.
  • the refill container consists of a bottle with a neck that carries the injection needle pointing upwards.
  • the liquid pen For refilling, the liquid pen is inserted with its rear end onto the injection needle, which penetrates the valve plate.
  • the writing fluid is then pressed into the storage tank of the fluid recorder.
  • the air displaced from the storage tank can only escape via the air duct at the writing tip of the liquid recorder.
  • This configuration has the disadvantage that overfilling of the storage tank and, as a result, leakage of writing fluid at the writing tip can occur if the air volume pumped into the refill container to generate overpressure is greater than the holding capacity of the storage tank of the liquid recorder.
  • a writing device known from DE-U-86 20 385 there is a writing tank between the storage tank and the writing tip which is separated from the storage tank by a wall and can be connected to the storage tank by actuating a refill valve which is closed in its basic position.
  • the closure element of the refill valve is connected to a plunger which is led out of the storage tank at the end opposite the writing tip such that the closure element can first be moved into an open position and then again into a closed position by depressing the plunger end. In the closed position of the refill valve, the writing tip is fed exclusively from the writing tank.
  • the ink can be transferred from the storage tank to the writing tank by opening the refill valve and the storage tank can then be refilled be closed, thereby keeping the tank volume associated with the writing tip small.
  • This known writing instrument has the disadvantage that it cannot be refilled with ink and must therefore be thrown away when the ink in the writing tank and the storage tank is used up.
  • writing instruments with a cartridge as a writing tank are also known, in which the empty cartridge is replaced by a filled one.
  • the writing instrument must be taken apart.
  • the used cartridge is discarded and must be disposed of later. It consists of a plastic and its disposal does not exactly contribute to environmental protection. After all, these cartridges are millions of pieces every year that end up in general household waste.
  • hydrostatic pressure column which is formed by a long tank. While only a very low hydrostatic pressure is effective when the tank is almost empty and the writing fluid flows in due to the capillary action of the ink conductor, this pressure increases several times for a writing tank which extends over the entire length of a pen. The pen can then no longer hold the liquid and the pen will spill. For this reason, a pen with a tank that would extend the entire length of the pen hardly works.
  • the present invention was based on the object of creating a refillable liquid pen which is easier to refill and which makes the environmentally harmful writing cartridges superfluous. Furthermore, it was an object to create a liquid recorder which has a higher writing capacity, is less sensitive to temperature and pressure fluctuations or can be brought into a state in which it is unaffected by these fluctuations, so that no writing liquid leaks.
  • a refillable pen with a storage tank for supplying the writing tip with writing fluid, which is characterized in that the storage tank can be refilled with an associated refill container from the outside via a valve.
  • the storage tank can be present in the recorder in addition to a writing tank, the writing tank being refillable from the storage tank via a connection acting as a valve.
  • a refill container which is characterized in that it has an injection needle with a one-way valve, and means for pressurizing the writing fluid inside it.
  • Figure 1 the whole recorder is shown partially cut away. It contains a writing tank 2 in its housing 1.
  • the writing tip is formed here by a writing spring 4, which is fed from the writing tank 2 in a known manner via a so-called ink conductor. Instead of a spring, a felt or roller can also be used as a writing tip.
  • the special feature of this recorder is that in addition to the writing tank 2 there is a separate storage tank 3 in the recorder, from which the writing tank 2 can be refilled via a connection acting as a valve 6. This storage tank can in turn be refilled from the outside via a valve 13 from an associated refill container.
  • the writer is discussed in detail. In the example shown here, the writing tank 2 is significantly smaller than the storage tank 3.
  • the connection acting as a valve 6 is realized in the example shown by a partition 5 which has a valve seat 8 in which a valve plate 7 is seated and is supported by a valve rod 9.
  • valve 6 When the valve 6 thus formed is closed, the writing tank 2 and the storage tank 3 are tightly separated from one another. If the valve 6 is opened, they are connected to one another and the liquid they contain can flow through the valve 6 in both directions, depending on the gradient.
  • the valve plate itself could also form the partition, its edge then having a rubber seal in the form of a O-rings would be provided, which would seal against the inner wall of the tank.
  • the valve 6 is operated in both cases so that the valve rod 9th something against the writing tip 4, as indicated by the arrow 14, is shifted.
  • the valve plate 7 is thus lifted out of its valve seat 8 and opens the connection between the storage tank 3 and the writing tank 2.
  • the valve rod 9 has an actuating button 10 at its rear end.
  • a compression spring 11 is arranged around the end of the valve rod 9 a fixed version 15 to the clerk is inserted. With its top, this compression spring 11 acts on the bottom of the push button 10, which then serves as a refill push button 10.
  • the valve rod 9 is sealed where it penetrates the socket 15.
  • a fine cannula 16 for refilling the storage tank 3 runs within the edge region of the holder 15.
  • a valve in the form of a rubber membrane 13, which has a central fine hole, is built into this cannula 16. This rubber membrane 13 is tightly closed in the relaxed state when there is no needle in the hole, so that the cannula 16 is interrupted in a sealing manner.
  • the writing tank 2 After filling the storage tank 3, which will be described later in detail, the writing tank 2 remains initially empty.
  • the refill push button 10 is now pressed, after which the valve 6 between the storage tank 3 and the writing tank 2 is opened and the writing liquid immediately flows from the storage tank 3 into the writing tank 2 and fills it. This filling of the writing tank 2 only takes a few seconds. Then the push button 10 is relieved again and the valve 6 between the writing tank 2 and the storage tank 3 closes.
  • the recorder is now ready for use. With its use, the writing tank 2 is gradually emptied, with the identical volume of the flowing writing fluid being replaced by incoming air.
  • the writing tank 2 is relatively small, the gas bubble that forms is itself included major temperature and pressure fluctuations in the ambient air cause no problems.
  • the refill pushbutton 10 is briefly pressed and the recorder is immediately ready for use again. If the pen is taken on a flight, as a precautionary measure, in a position of the pen, the writing tip can be pressed upward on the push button 10, as a result of which the writing liquid in the writing tank 2 instantly flows back into the storage tank. This ensures that nothing runs out of the nib 4 because the liquid is then completely and safely stored in the storage tank 3, which is sealed on all sides.
  • the recorder could also be equipped with a manually operated relief valve in order to release any excess pressure which may have built up under extreme conditions in the soon empty storage tank.
  • This valve could, for example, be actuated briefly by pressing the pushbutton 10, a relief bore in the pen housing being swept by a relief line, which in turn communicates with the storage tank 3. When this relief bore communicates with the relief line, the pressure can be released.
  • a tampon can be installed in the relief line, which retains the ink somewhat from the air.
  • the recorder has a viewing window through which the fill level in the storage tank 3 can be viewed. Because this pen has an overall much larger tank capacity than conventional fountain pens, it has a correspondingly larger writing capacity. With a conventional recorder size, this reaches three to five times the conventional writing capacity.
  • a special refill container 20, as shown in FIG. 2, is used to fill the storage tank 3.
  • This Refill container 20 has an injection needle 21, which is advantageously enclosed by a protective sleeve 23 and the tip of which is enclosed by a retractable rubber seal.
  • the refill container 20 also has means in order to be able to pressurize the liquid contained in it.
  • the refill container 20 is made of plastic and forms a foldable bellows 22. By compressing the bellows 22, the pressure inside is increased.
  • the inner wall of the sleeve 23 has one or more longitudinal grooves 25 or grooves 24 which fit into corresponding longitudinal grooves 26 or grooves 27 at the end of the pen.
  • the sleeve 23 also prevents, for example, students from being tempted to use the refill container 20 as a spray gun by pulling the rubber seal back with a finger, exposing the needle 21 and then pumping at the same time, which could of course splash the ink . Thanks to the sleeve 23, the rubber seal, which closes the pouring mouth on the needle 21 when not in use, cannot be pushed back easily, as a result of which ink could flow out.
  • the injection needle 21 and the sleeve 23 sit together on a screw-on cover 28, after which the refill container can in turn be refilled from a larger canister. Ultimately, it is either the refill containers themselves that are bought in the store, or the refill containers can be refilled from a larger canister in the store. The delivery of entire canisters to schools etc. is also conceivable.
  • FIG. 3 shows the structure of the injection needle 21 on the refill container 20 using a longitudinal section.
  • the injection needle 21 has two separate bores in the inside of its tip, namely a bore 29 for guiding the liquid to be refilled, which runs centrally through the needle from behind and opens laterally into a longitudinal slot 44 in the front region. Through the pouring opening thus formed 44 the ink can flow out.
  • Another hole starts from the tip of the needle 21 and opens in the same way into the slot 32, which is opposite the pouring opening 44.
  • This bore with its mouth slot 32 acts as a vent hole 45 for guiding the air displaced in the refilled container.
  • the entire injection needle 21 is inserted in a guide tube 34.
  • This guide tube 34 forms on its front edge an inner shoulder 36, against which a sleeve 37 inserted from the back abuts and is held.
  • a rubber seal 33 is seated in this sleeve 37, which in turn is acted upon by a nipple 38.
  • This rubber seal 33 has a radial vent hole 43 on one side.
  • the injection needle 21 now leads through the central bore in the rubber seal 33 and has a gradually enlarged outer diameter.
  • the injection needle 21 is pushed further forward against the force of the compression spring 40 through the rubber seal 33 and pierces the rubber membrane 13 in the refill cannula 16 of the pen 1.
  • the rubber seal becomes 33 pushed back over the injection needle 21 by sliding the sleeve 37 and the nipple 38 with the rubber seal 33 held therein within the guide tube 34 to the rear.
  • the lateral pouring opening 44 of the bore 29 on the injection needle 21, which is sealed by the rubber seal 33 in the relaxed state of the spring is exposed, and ink can flow out of the container 20.
  • FIG. 4 shows how the refilling takes place in relation to the necessary manipulations.
  • the refill container 20 is pushed onto the end of the pen 1 by fitting the sleeve 23 with its grooves 24 or grooves 25 onto the one that also has grooves 26 or grooves 27 provided end of the recorder 1 is plugged on.
  • the rubber seal 33 in which the needle 21 is seated, finds a stop with its shoulder 36 on the cannula 16.
  • the injection needle 21 is pushed into the cannula 16 and pierces the rubber membrane 13 sitting therein.
  • the connection between Refill container 20 and storage tank 3 created.
  • a connection is created between the storage tank 3 and the ventilation hole 43 in the rubber seal 33, so that the ventilation of the storage tank 3 takes place when filling and thus the refilling can function.
  • the bellows 22 is now pressed from behind, whereby the writing liquid is pressed from the refill container 20 into the storage tank 3 of the pen.
  • the filling can be observed at the viewing window 17 of the recorder 1, so that there is no overfilling.
  • the container with the injection needle 21 is withdrawn from the rear end of the pen 1 and the pen is ready for writing again.
  • the rubber membrane 13 closes the cannula 16 again and the pouring opening 44 on the injection needle 21 disappears again tightly in the rubber seal 33.
  • the refill container has a special assembly device for this assembly.
  • the mounting position is such that the injection needle with sleeve 23 points downwards.
  • a pressure piston sealed from the outside can be pushed into the inside of the container, for example.
  • To fill a pen it only has to be inserted into the sleeve 23 from below and then pushed upwards until the filling is complete. Then pull it back down - done.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)
  • Table Devices Or Equipment (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Packages (AREA)
EP94105537A 1993-04-15 1994-04-11 Nachfüllbarer Flüssigkeitsschreiber und Nachfüllbehälter Expired - Lifetime EP0621140B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE9305635U DE9305635U1 (de) 1993-04-15 1993-04-15 Tintenschreiber mit Vorratskammer
DE9305635U 1993-04-15
CH196093 1993-06-30
CH1960/93 1993-06-30

Publications (2)

Publication Number Publication Date
EP0621140A1 EP0621140A1 (de) 1994-10-26
EP0621140B1 true EP0621140B1 (de) 1996-07-03

Family

ID=25689112

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94105537A Expired - Lifetime EP0621140B1 (de) 1993-04-15 1994-04-11 Nachfüllbarer Flüssigkeitsschreiber und Nachfüllbehälter

Country Status (8)

Country Link
US (1) US5518331A (fi)
EP (1) EP0621140B1 (fi)
JP (1) JP2688324B2 (fi)
AT (1) ATE139950T1 (fi)
DE (1) DE59400387D1 (fi)
ES (1) ES2089874T3 (fi)
FI (1) FI102523B1 (fi)
NO (1) NO304015B1 (fi)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59409687D1 (de) * 1993-11-30 2001-04-19 Pelikan Ag Schreibgerät, insbesondere Füllhalter
DE19630641C1 (de) * 1996-07-30 1997-08-14 Pelikan Ag Nachfüllbehälter für Schreibgeräte
US5997206A (en) * 1999-01-22 1999-12-07 Lin; Jen-Meng Refillable lipstick
US6766817B2 (en) 2001-07-25 2004-07-27 Tubarc Technologies, Llc Fluid conduction utilizing a reversible unsaturated siphon with tubarc porosity action
US20040237529A1 (en) * 2002-02-25 2004-12-02 Da Silva Elson Dias Methods and systems for reversibly exchanging energy between inertial and rotating forces
US6805512B2 (en) * 2002-08-20 2004-10-19 Patricia Anne King Fluid dispenser
KR100477887B1 (ko) * 2002-10-14 2005-03-18 김선민 리필가능한 마카펜
EP1712365A4 (en) * 2004-02-03 2010-05-19 Seiko Epson Corp FLOW CONTROL VALVE UNIT AND LIQUID EMISSION DEVICE
CA2571657A1 (en) * 2004-06-25 2006-01-05 Sensitive Flow Systems Pty Ltd Irrigation apparatus
WO2007107057A1 (fr) * 2006-03-21 2007-09-27 Liang Wang Instrument d'ecriture
KR100708304B1 (ko) 2006-04-06 2007-04-19 이해섭 필기구
WO2009021145A1 (en) * 2007-08-07 2009-02-12 Massachusetts Instutute Of Technology Fluid injection port
US20090142128A1 (en) * 2007-11-29 2009-06-04 Kurtis Johnson Dry erase marker renewal device
CN103253034B (zh) * 2013-04-02 2015-10-28 章泽宏 吸注两用笔胆
JP6514480B2 (ja) * 2014-10-16 2019-05-15 株式会社呉竹 インク充填具
US9889700B2 (en) 2015-02-19 2018-02-13 Jessica Chan Modular fountain pens useable with inks of varying viscosities
US10730338B2 (en) * 2017-04-26 2020-08-04 Hayden R Murphy Fluid applicator refill system
FR3129106B1 (fr) 2021-11-12 2023-10-27 Pebeo Instrument de marquage et ensemble de marquage comprenant un tel instrument de marquage et une recharge

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE252969C (fi) *
US145102A (en) * 1873-12-02 Improvement in fountain-pens
DE33630C (de) * A. FRANKE in Hermsdorf, Kreis Waldenburg Maschine zum Zerkleinern gekochten Viehfutters
GB191506570A (en) * 1915-05-03 1916-02-24 Alexander Munro Improvements in Fountain Pens.
CH85236A (de) * 1919-07-25 1920-06-16 Widmer Fritz Federfüllapparat.
US2130926A (en) * 1937-07-15 1938-09-20 William G Nichol Fountain pen
BE462722A (fi) * 1945-04-26
FR928364A (fr) * 1946-05-21 1947-11-26 Stylographe et dispositif destiné à son remplissage
CH255993A (de) * 1947-05-01 1948-07-31 Ag Saturn Verfahren und Vorrichtung für die Nachfüllung von Flüssigkeiten in den Hohlraum von Gebrauchsgeräten mit Flüssigkeitsverbrauch.
US2603188A (en) * 1949-07-26 1952-07-15 Mckay Neil Fountain pen
US2737329A (en) * 1952-09-04 1956-03-06 Bolsey Jacques Filling apparatus for pens and the like
DE1020257B (de) * 1953-08-27 1957-11-28 Soennecken Fa F Fuellfederhalter mit Tintenvorkammer
US2938499A (en) * 1956-07-20 1960-05-31 Lindenbaum Bernard Combination pen and pressurized filling means
US2894541A (en) * 1956-12-13 1959-07-14 Marban Julian Gutierrez Filling device for fountain pens
DE8620385U1 (de) * 1986-07-30 1986-09-11 Pelikan Ag, 3000 Hannover Tintenbehälter für ein Schreibgerät
DE4036873C2 (de) * 1990-11-19 1995-09-28 Staedtler Fa J S Nachfüllsystem für Schreib-, Zeichen- oder Malgeräte

Also Published As

Publication number Publication date
ATE139950T1 (de) 1996-07-15
DE59400387D1 (de) 1996-08-08
NO941321L (no) 1994-10-17
NO941321D0 (no) 1994-04-13
EP0621140A1 (de) 1994-10-26
FI102523B (fi) 1998-12-31
NO304015B1 (no) 1998-10-12
JP2688324B2 (ja) 1997-12-10
US5518331A (en) 1996-05-21
FI941709A0 (fi) 1994-04-13
JPH07101194A (ja) 1995-04-18
ES2089874T3 (es) 1996-10-01
FI941709A (fi) 1994-10-16
FI102523B1 (fi) 1998-12-31

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