EP1218204B1 - Dispositif d'application de liquide d'ecriture, de graphisme, d'impression, de dessin ou similaire sur un support - Google Patents

Dispositif d'application de liquide d'ecriture, de graphisme, d'impression, de dessin ou similaire sur un support Download PDF

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Publication number
EP1218204B1
EP1218204B1 EP00966126A EP00966126A EP1218204B1 EP 1218204 B1 EP1218204 B1 EP 1218204B1 EP 00966126 A EP00966126 A EP 00966126A EP 00966126 A EP00966126 A EP 00966126A EP 1218204 B1 EP1218204 B1 EP 1218204B1
Authority
EP
European Patent Office
Prior art keywords
liquid
capillary
chamber
conductor member
liquid chamber
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
EP00966126A
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German (de)
English (en)
Other versions
EP1218204A1 (fr
Inventor
Rainer Kaufmann
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.)
Dataprint R Kaufmann GmbH
Original Assignee
Dataprint R Kaufmann GmbH
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Filing date
Publication date
Application filed by Dataprint R Kaufmann GmbH filed Critical Dataprint R Kaufmann GmbH
Publication of EP1218204A1 publication Critical patent/EP1218204A1/fr
Application granted granted Critical
Publication of EP1218204B1 publication Critical patent/EP1218204B1/fr
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
    • 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
    • B43K8/04—Arrangements for feeding ink to writing-points
    • 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
    • B43K8/04—Arrangements for feeding ink to writing-points
    • B43K8/06—Wick feed from within reservoir to writing-points

Definitions

  • the invention relates to a device for applying writing, drawing, printing, painting fluid and the like on a substrate according to the preamble of the main claim.
  • Such generic devices are characterized in that their capillary liquid conductor, if held with the applicator up, with liquid fills and with the device held down, i.e. in the order placement by the capillary Liquid conductor absorbed liquid can be applied, wherein in this state, the connection between the capillary liquid conductor and in the liquid container existing liquid is interrupted.
  • the devices are thus at simple construction very reliable.
  • a writing instrument is known from EP 0 624 483 A1, whose capillary liquid conductor is constantly connected to the liquid in the liquid container and in which the air supply into the liquid container through a compensation chamber, which with the liquid container is connected via a capillary annular gap.
  • the capillary Annular gap should be dimensioned such that it due to the surface tension or Capillary forces hold liquid in them.
  • One problem with this writing instrument is that when the air is heated above the liquid supply in the liquid chamber, especially in the vertical position of the device, there is a risk that liquid from the writing tip emerges. The reason for this is that there is no writing on the tip of the pen can form a stable meniscus of the writing fluid, the pressure of those above it Liquid column withstands. Only the higher flow resistance of the Liquid conductor compared to that of the capillary connection between the liquid chamber and the compensation chamber can prevent leakage to a certain extent.
  • the invention has for its object to develop a generic device such that it has a large liquid absorption capacity and at the same time based on its size has a high level of leakage security.
  • the writing instrument for example, it sucks in its lying position
  • Position the capillary fluid guide full of fluid, making the volume of the the liquid chamber absorbed liquid is compensated by air that through the air passage in the form of bubbles with a smaller capillarity nachströmt.
  • This creates a negative pressure in the liquid chamber which ensures that the capillary liquid conductor does not overfill with liquid in such a way that, for example With the writing instrument lying slightly obliquely downwards, liquid from the application element expires.
  • the capillary body which is directly connected to the capillary air outlet cannot soak up liquid because its capillarity is less than that of the capillary air passage.
  • the provided in the device according to the invention with the liquid chamber over the Capillary air passage connected compensation chamber, based on the content of the Liquid container, have a relatively small volume, so that the interior of the housing to an essential part for receiving a liquid supply can be used.
  • FIGS. 2 and 6 represent longitudinal sections through six embodiments of devices, wherein the embodiments of FIGS. 2 and 6 have a capillary body, which in direct Connection with a capillary air outlet leading into the liquid chamber is.
  • a device has a housing 2 with a cylindrical outer wall 4, the according to the figure is open on the right and on the left via a conical region 6 into a cylindrical end portion 8 with a reduced diameter merges with an order opening 9 forms in which an application element 10 protruding from the housing 2 is received is.
  • the interior of the housing 2 is through two partitions 12 and 14 in a liquid chamber 16, a compensation chamber 18 and a storage chamber 20 divided.
  • a capillary storage 22 is arranged, which is the application element 10 connects to a capillary liquid conductor 24 which is received in a tube 26 is and together with the tube through the two partitions 14 and 12 extends to a bottom part 28 with which the liquid chamber 16 according to the figure is locked to the right.
  • the tube 26 is open on the right side, so that the capillary liquid conductor 24 at its end facing the bottom part 28 for access to the Liquid chamber 16 received liquid 30 is exposed.
  • the base part 28 is formed with riser capillaries 32, when the liquid level drops, the capillary liquid conductor 24 liquid respectively.
  • an air supply line is used, which is from the outer Atmosphere between the application element 10 and the end region 8 of the housing 2 leads into the storage chamber 20.
  • the air supply line leads from the storage chamber 20 through the partition 14 through between a pipe 26 surrounding Ring extension 34 of the partition 14 and the tube 26 into the equalization chamber 18th and from there by one or preferably several, distributed along the circumference in the Partition 12 formed capillary air passages 36 into the liquid chamber 16.
  • the capillary air passages 36 can form an annular gap overall.
  • the function of the device is as follows:
  • the application element 10 can be designed in a wide variety of ways, for example as a fiber tip, brush tip, feather, ball tip, printer element or otherwise.
  • the volume of the outlet chamber 18 and the storage chamber 20 can be in relation to Volume of the liquid chamber 16 may be significantly smaller than shown.
  • the outer wall 4 need not be cylindrical, but can have any other shape.
  • the housing with the partition walls can be formed in several parts or in one piece and advantageously exists made of plastic.
  • the device can be designed as a disposable item or refillable be, for example, in the bottom part 28 refill openings (filling opening and Vent opening) are provided or the entire liquid supply in an exchangeable Cartridge is added.
  • the liquid 30 can be in a in the housing 2 recorded collapsible element, for example a sack, which is pushed onto the tube 26.
  • the capillary memory 22 can be made in one piece with the capillary liquid conductor 24 and / or the application element 10 or with appropriate training of the capillary liquid conductor, are not required.
  • the partition 14 can be omitted, the housing then advantageously around the application element 10 has inwardly projecting baffles that prevent it from the liquid chamber 16 escaping liquid directly in contact with the application element comes or gets outside the housing.
  • the tube 26 can somehow Kind of sheathing of the capillary liquid conductor 24 are replaced, the a direct contact between the capillary liquid conductor 24 and the liquid 30 prevented outside the floor area.
  • the capillary liquid conductor can be together with the sheathing in any geometrical arrangement of the application element 10 lead to the bottom area of the liquid chamber 16.
  • the partition 12 can overall porous or with a capillary slot.
  • the capillarities are advantageously matched to one another such that the capillarity the order tip 10 is largest and the capillarity of the capillary reservoir 22 and of the capillary liquid conductor 24 is larger than that of the capillary air passage 36. This ensures that the components 10, 22 and 24 are completely complete in the filling phase fill with liquid.
  • the capillary dimensions of the air inlet are, for example at 0.15 mm.
  • the safety against leakage depends, as explained, primarily from the smaller flow resistance compared to that of the liquid conductor of the capillary air outlet.
  • the flow resistance plays a role dynamic processes play a certain role; for slow or permanent Operations lose their importance, so there is a certain risk of leakage remains.
  • FIG. 2 in which, as in the other figures, for with the embodiment according to FIG. 1 functionally identical components the same reference numerals are used, shows one according to the invention Improved embodiment of the device according to FIG. 1. Below only the changes compared to Fig. 1 are described.
  • a capillary body is located in the compensation chamber 18 40 made of capillary material with a capillarity smaller than that of the capillary Air passage 36.
  • the capillary body 40 is arranged in the compensation chamber in such a way that its capillaries are connected directly to the capillary air passage 36.
  • the capillary body 40 takes out of the liquid chamber 16 when the temperature rises or liquid escaping when there is a decrease in pressure and gives it up when the pressure drops Lowering the temperature, increasing the pressure or a subsequent filling process. Due to the presence of the capillary body 40 through which the liquid conductor passes 24 is guided with the tube 26, the ring shoulder 34 (Fig. 1) can be omitted.
  • an essential function of the capillary body 40 is that he constantly liquid through the capillary air passage 36 accordingly sucks its capillarity so that in the event of a decrease in pressure in the liquid chamber 16 Absorbs liquid and thereby maintain a negative pressure in the liquid chamber remains, which reliably prevents liquid from the liquid conductor 24 drips. If the negative pressure in the liquid chamber increases, liquid will be expelled the capillary body sucked back into the liquid chamber.
  • the compensation chamber 18 is on the side of the liquid chamber 10 facing away from the application element 10.
  • the right-hand partition 12 separates the liquid chamber 14 from the compensation chamber 18 and is with the capillary air passage 36 and the riser capillaries 32 provided.
  • the bottom part 28 of the housing 2 closing the compensation chamber 18 on the right-hand side has a cylindrical projection 42 which is formed with an axial passage 44 via a radial channel 46 into a between the housing 2 and the bottom part 28 trained helical groove 48 is connected, which via a passage 50 to the outside Atmosphere.
  • the air inlet leads to the ventilation of the liquid chamber 16 from the passage 50 through the helical groove 48, the radial channel 46 and the axial passage 44 into the compensation chamber 18 and from there through the capillary air passage 36 into the liquid chamber 16.
  • the function of the device according 3 corresponds to that of the device of FIG. 1.
  • a capillary body 40 in the Compensation chamber 18 of FIG. 3 can be arranged in order to ensure maximum leak protection guarantee.
  • the embodiment of the device according to FIG. 4 differs from that of FIG. 1 in that that the storage chamber 20 is missing and the compensation chamber 18 to the front Area 6 of the housing 2 is sufficient.
  • the front end portion of the housing 2 is the one Tube 26 surrounding ring shoulder 52 is formed.
  • the inside diameter of the ring approach 52 widens conically to the left according to FIG. 4.
  • the tube 26 is this conical expansion adapted so that the capillary liquid conductor 24 a conically widening Has area 54, via which it is connected to the application element 10 or passes into the order element 10. In this way the fluid absorption capacity of the capillary liquid conductor 24 is enlarged so that it functions as capillary memory with and each has a sufficient write or order volume is available.
  • this projects the capillary Liquid tube 24 receiving tube 26 not to the bottom part 28 through the entire Liquid chamber 16 through, but already ends in the region of the partition 12.
  • a valve 56 On the side of the partition wall 12 facing the liquid chamber 16 is a valve 56 provided that the connection from the liquid chamber 16 to the capillary liquid conductor 24 closes when the device is held down with the application element 10 and opens as soon as the device is tilted significantly.
  • the valve has a valve member Ball 60, which is received in a cage 62 formed with passages and is in the closed position on the edge of the tube 26. It is understood that other valve designs can be used, which preferably work with gravity.
  • a capillary body can be arranged whose capillarity is less than that of the air passage 36 and that is directly connected to the air passage 36.
  • FIG. 6 Another embodiment of the device is shown in FIG. 6. This embodiment corresponds in a way to that of FIG. 3, with in the compensation chamber 18 Capillary body 40 is arranged.
  • the partition 12 is tightly connected to the outer wall 4, which has a central through opening 60.
  • the through opening 60 is closed by a capillary conductor 62 between the wick, which in the capillary body 40 introduced and in direct contact with it.
  • the ends advantageously Capillary conductor 60 to the liquid chamber 16 in such a way that it is in fluid communication with the riser capillaries 32 formed in the partition 12.
  • the through the opening 60 passed through capillary conductor 62 or its capillaries with the lowest Capillarity forms the capillary air inlet into the liquid chamber 16 and takes over the function of the capillary air passages 36 of FIG. 2.
  • the liquid conductor 24 is guided with the jacket tube 26 to an auxiliary wall 64, between the and the outer wall 4 openings 66 are formed so that the liquid chamber 16 effectively extends to the partition 12 and the liquid level on both sides of the Auxiliary wall 64 is the same height. Similar to the partition 12, the auxiliary wall 64 is included Rising capillaries 32 are formed, so that the liquid conductor 26 is also refilled a small, still existing amount of liquid is guaranteed.
  • the capillarities of the capillary liquid conductor 24, that of the air passage Capillary conductor 50 and capillary body 40 are in turn coordinated with one another in such a way that that the capillarity of the capillary conductor 60 is less than that of the liquid conductor 24 and the capillarity of the capillary body 40 is smaller than that of the capillary conductor 60.
  • the function of the device of FIG. 6 corresponds to that of FIG. 2: the liquid conductor 24 fills up by sucking in liquid due to its great capillarity and air through the one with a smaller capillarity, at least partially filled with liquid Capillary conductor 62 is sucked through. A develops in the interior of the liquid chamber 16 vacuum defined by the capillarity of the capillary conductor 62, which by suitable The choice of capillarity is such that liquid drips out of the application element 10 is safely prevented.
  • the capillary body 40 is corresponding its capillarity is able to absorb liquid, leaving it in the liquid chamber 16 a negative pressure is maintained, which guarantees the leak-proofness of the device.
  • the capillaries of the liquid conductors 24 and 62 and of the capillary body 40 do not have to necessarily be uniform or homogeneous. If these capillaries are size distributions have, it must be ensured that the liquid conductor 24 capillaries with a has greater capillarity than the capillarity of the capillary conductor 62 and the capillary body 40 has at least a large part of capillaries, the capillarity of which is smaller than those of the capillaries of the capillary conductor 62 which form the air inlet, that is capillaries of the capillary conductor 62 with a smaller capillarity.
  • the capillary conductor 62 and the capillary body 40 of FIG. 6 do not necessarily have to be separate components, but can be designed with a suitable capillarity Capillary body can be formed, which is an approach to closing the opening 62nd having.
  • the partition 12 could be integrated with such a capillary body his.
  • the capillary 22 is gem in the embodiment. Fig. 6 as the liquid conductor 24 surrounding disk storage shown, the at least partially a smaller capillarity than the liquid conductor 24 has. Another buffer volume is thus temporary Absorption of liquid created, which increases the functional safety of the device is increased. Any other capillary storage can be used.
  • the Air is supplied to the compensation chamber 18 in the embodiment according to. Fig. 6 similar as in the embodiment according to FIG. 3, but lacking approach 42.
  • capillarity refers to the capillary force (corresponding Rise) understood, which results from the surface tension of the ink and the size the capillary and the wetting angle between the liquid and the surface of the capillary material results.
  • good wetting of the relevant Materials provided by the liquid In the functional description, good wetting of the relevant Materials provided by the liquid.

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  • Pens And Brushes (AREA)

Claims (10)

  1. Dispositif d'application de liquide d'écriture, de graphisme, d'impression, de dessin ou similaire sur un support, comportant :
    une chambre à liquide (16) agencée dans un boítier (2),
    un élément d'application (10),
    une conduite d'alimentation en air qui relie l'atmosphère extérieure au volume intérieur de la chambre à liquide,
    un corps capillaire (40) qui est agencé de telle sorte que le liquide sortant hors de la chambre à liquide à travers l'embouchure de la conduite d'alimentation en air et parvenant dans ledit corps ne vient en contact ni avec le conducteur de liquide capillaire (22, 24), ni avec l'élément d'application (10), ni encore avec l'extérieur du boítier, et
    une liaison de convoyage de liquide (22, 24, 26) s'étendant depuis l'élément d'application (10) jusque dans la chambre à liquide (16) et comportant un conducteur de liquide capillaire (22, 24), une liaison de liquide entre le liquide situé dans la chambre à liquide et le conducteur de liquide capillaire étant interrompue lorsque le dispositif occupe une position avec l'élément d'application dirigé vers le bas,
    caractérisé en ce que la conduite d'alimentation en air débouche dans la chambre à liquide (16) via un passage d'air capillaire (36 ; 62) et est en communication avec le liquide de la chambre à liquide (16) au moins lorsque ce liquide est en communication avec le conducteur de liquide capillaire (24), les capillaires du passage d'air capillaire étant reliés directement au corps capillaire (40) et la capillarité du passage d'air capillaire (36) étant inférieure à celle du conducteur de liquide capillaire (22, 24) et la capillarité du corps capillaire (40) étant inférieure à celle du passage d'air capillaire.
  2. Dispositif selon la revendication 1, caractérisé en ce que le conducteur de liquide capillaire (22, 24) est entouré par une enveloppe (26) étanche aux liquides et est à découvert uniquement dans la zone de son extrémité détournée de l'élément d'application (10) pour une venue en contact avec le liquide situé dans la chambre à liquide (16), le conducteur de liquide capillaire s'étendant, conjointement avec l'enveloppe, à travers la chambre à liquide jusque dans sa zone de fond située en bas lorsque le dispositif avec l'élément d'application (10) est dirigé vers le bas.
  3. Dispositif selon la revendication 1, caractérisé en ce qu'il est prévu une valve (56) qui, le dispositif avec l'élément d'application (10) étant dirigé vers le bas, isole l'extrémité du conducteur de liquide capillaire (22, 24) vis-à-vis d'un accès du liquide, extrémité qui est normalement à découvert pour un accès de liquide.
  4. Dispositif selon l'une ou l'autre des revendications 2 et 3, caractérisé en ce que des capillaires montants (32) mènent depuis l'extrémité, à découvert pour une venue en contact avec le liquide, du conducteur de liquide capillaire (24), vers les parois extérieures (2) de la chambre à liquide (16).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que le corps capillaire (40) est reçu dans une chambre de compensation (18) séparée de la chambre à liquide (16) par une paroi de séparation (12).
  6. Dispositif selon les revendications 2 et 5, caractérisé en ce que la chambre de compensation (18) est agencée sur le côté de la chambre à liquide (16) tourné vers l'élément d'application (10) et le conducteur de liquide (24) traverse conjointement avec l'enveloppe (26) la chambre de compensation.
  7. Dispositif selon la revendication 5, caractérisé en ce que la chambre de compensation (18) est agencée sur le côté de la chambre à liquide (16) détourné de l'élément d'application (10) et la conduite d'alimentation en air mène à travers une paroi (28) de la chambre de compensation vers l'atmosphère extérieure.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le passage d'air capillaire (36) est formé par une ouverture capillaire dans une paroi (12) de la chambre à liquide (16).
  9. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le passage d'air capillaire est formé par un conducteur capillaire (62) qui traverse un trou (60) dans une paroi (12) de la chambre à liquide (16) et qui est en liaison mécanique indirecte avec le corps capillaire (40).
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce qu'une chambre d'accumulation (20) est prévue dans le boítier (2), dans laquelle est agencé un accumulateur capillaire (22) formant une partie du conducteur de liquide capillaire (22, 24).
EP00966126A 1999-10-08 2000-10-06 Dispositif d'application de liquide d'ecriture, de graphisme, d'impression, de dessin ou similaire sur un support Expired - Lifetime EP1218204B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19948477 1999-10-08
DE19948477A DE19948477A1 (de) 1999-10-08 1999-10-08 Gerät zum Auftragen von Schreib-, Zeichen-, Druck-, Malflüssigkeit oder dergleichen auf einen Untergrund
PCT/EP2000/009807 WO2001026914A1 (fr) 1999-10-08 2000-10-06 Dispositif d'application de liquide d'ecriture, de graphisme, d'impression, de dessin ou similaire sur un support

Publications (2)

Publication Number Publication Date
EP1218204A1 EP1218204A1 (fr) 2002-07-03
EP1218204B1 true EP1218204B1 (fr) 2003-07-30

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Family Applications (1)

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EP00966126A Expired - Lifetime EP1218204B1 (fr) 1999-10-08 2000-10-06 Dispositif d'application de liquide d'ecriture, de graphisme, d'impression, de dessin ou similaire sur un support

Country Status (3)

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EP (1) EP1218204B1 (fr)
DE (2) DE19948477A1 (fr)
WO (1) WO2001026914A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3436728B2 (ja) * 2000-05-08 2003-08-18 株式会社 ヒックス 筆記具
KR100562280B1 (ko) 2004-06-15 2006-03-23 주식회사모나미 필기구
JP3909775B2 (ja) 2004-06-22 2007-04-25 堀 弥生 液体供給装置
DE102007030419B4 (de) 2007-06-29 2017-04-13 Edding Aktiengesellschaft Gerät zum Schreiben, Markieren und/oder Malen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533708A (en) * 1967-11-16 1970-10-13 Dainihon Bungu Co Ltd Ball point pen for water soluble ink
GB1288170A (fr) * 1971-07-27 1972-09-06
DE4015586C3 (de) * 1990-05-15 1997-12-04 Dataprint Datendrucksysteme R Gerät zum Auftragen von Schreib-, Zeichen-, Druck- oder Malflüssigkeit auf einem Untergrund
DE4115685C3 (de) * 1991-05-14 2001-07-05 Dataprint Datendrucksysteme R Schreibgerät mit in einem Behälter frei aufgenommener Schreibflüssigkeit
JP2534821B2 (ja) * 1993-05-13 1996-09-18 二郎 堀 筆記具
DE19529865C2 (de) * 1995-08-14 2002-02-28 Kaufmann R Dataprint Gerät zum Auftragen von Flüssigkeiten auf eine Unterlage mittels eines Auftragselements
AU5448498A (en) * 1996-11-12 1998-06-03 Avery Dennison Corporation Fluid dispensing utensil
CA2246422A1 (fr) * 1997-08-29 1999-02-28 The Pilot Ink Co., Ltd. Instrument pour ecrire avec alimentation directe en liquide
DE29722317U1 (de) * 1997-12-17 1998-02-19 Pro Eton Corp Schreibvorrichtung

Also Published As

Publication number Publication date
WO2001026914A1 (fr) 2001-04-19
EP1218204A1 (fr) 2002-07-03
DE50003139D1 (de) 2003-09-04
DE19948477A1 (de) 2001-04-12

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