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EP1066982B1 - Dispositif pour appliquer de l'encre sur une surface - Google Patents

Dispositif pour appliquer de l'encre sur une surface Download PDF

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Publication number
EP1066982B1
EP1066982B1 EP99112968A EP99112968A EP1066982B1 EP 1066982 B1 EP1066982 B1 EP 1066982B1 EP 99112968 A EP99112968 A EP 99112968A EP 99112968 A EP99112968 A EP 99112968A EP 1066982 B1 EP1066982 B1 EP 1066982B1
Authority
EP
European Patent Office
Prior art keywords
capillary
capillarity
region
reservoir
capillary 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
EP99112968A
Other languages
German (de)
English (en)
Other versions
EP1066982A1 (fr
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.)
Schwan Stabilo Schwanhausser GmbH and Co KG
Original Assignee
Schwan Stabilo Schwanhausser GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schwan Stabilo Schwanhausser GmbH and Co KG filed Critical Schwan Stabilo Schwanhausser GmbH and Co KG
Priority to AT99112968T priority Critical patent/ATE210022T1/de
Priority to ES99112968T priority patent/ES2165216T3/es
Priority to DE59900500T priority patent/DE59900500D1/de
Priority to EP99112968A priority patent/EP1066982B1/fr
Publication of EP1066982A1 publication Critical patent/EP1066982A1/fr
Application granted granted Critical
Publication of EP1066982B1 publication Critical patent/EP1066982B1/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
    • B43K8/06—Wick feed from within reservoir to writing-points

Definitions

  • the invention relates to a device for application a writing liquid on a surface, with a space for Absorb the writing fluid in free form, a first Capillary storage, an application element, a delivery channel for Conveying the writing fluid from the receiving space to the Application element and a ventilation device to connect with the ambient air, the ventilation device over the first Capillary storage in connection with the receiving space stands.
  • Applicators are of the type described above known, for example from EP 0 584 149 B1 and DE 195 29 865 A1.
  • the first capillary storage as compensation volume for receiving Writing fluid in the event of a pressure rise in the recording room.
  • This requires that capillarity of the first capillary accumulator very precisely on the pressure and Volume ratios is matched. He should namely in Usually (almost) empty, but on the other hand sufficient Capillarity and sufficient volume available to compensate for all possible heat-related pressure increases to be able to without writing fluid due to heat-related Uncontrolled pressure increases in the recording room emerges from the order element.
  • the first capillary store is preferably located not directly connected to the delivery channel.
  • the delivery channel is not at the pressure equalization Fluid exchange involved. This gutting of the delivery channel from liquid exchange for the purpose of pressure equalization further reduces the risk of writing fluid leakage about the order element. Because only the delivery channel is connected to the order element. Moreover, this is further optimization of the ink flow possible because none Radial ink permeability settings or restrictions required are.
  • the first capillary store does not have to strictly in the above two areas of different capillarity be shared. Rather, it can be provided according to the invention be that the first capillary memory is a memory with capillarity gradients and the first and second range of Sections of the first capillary store with higher or low capillarity are formed.
  • This configuration has the advantage that the effective global capillarity of the first capillary storage more precisely to the given pressure conditions can adjust. This configuration also promotes the return transport of the writing fluid in the direction of the Recording room, e.g. when cooling after previous heating.
  • the capillarity gradient can, in principle, according to the invention can be achieved in any way. It is preferred however, that the material of the first capillary reservoir for training of the capillarity gradient at least in sections increasingly compressed in the direction of increasing capillarity is. Such squeezing leads to one corresponding reduction in capillary cross sections, whereby the capillarity is higher than in not or less compressed Sections.
  • This configuration for generating a capillary gradient is technically particularly easy to implement.
  • a second capillary between the receiving space and the delivery channel.
  • This second capillary storage then serves as a liquid reservoir.
  • the ventilation device can be closed according to the invention to dry out the writing fluid prevent.
  • a Protective cap for the application device at the same time as a closure serves for the ventilation device. This means that Write only the protective cap to be removed. An additional There is no actuation of the ventilation device.
  • the first and the second region of the first capillary store between the application area for the writing fluid and the application element are arranged and the delivery channel through the extends through the first and second regions.
  • the second area of the first capillary in the Proximity of the application device so that it is particularly easy the ventilation device in the push-on area of a protective cap to arrange.
  • the delivery channel is designed to hold the writing fluid due to capillary effects from the recording room to promote the order element.
  • the flow resistance of the delivery channel is preferred greater than the flow resistance of the first capillary reservoir, so pressure equalization in any case above the first Capillary storage and not via the delivery channel.
  • the flow resistance of the delivery channel is set about an appropriate choice of its dimensions, in particular its length and its capillary diameter.
  • the figure shows a housing 10 with a receiving space 12, in which a writing fluid is freely absorbed.
  • a receiving space 12 On the receiving space 12 is followed by a capillary storage 14, a first area 14.1 and a second area 14.2 having.
  • the first area 14.1 is highly capillary, whereas the second region 14.2 has lower capillarity than the first Area 14.1.
  • a delivery channel 16 Extends through the first capillary reservoir 14 a delivery channel 16, which at one end with a second capillary storage 18 and at its other end with one provided as the application element writing tip 20 is.
  • the housing 10 is adjacent to the writing tip 20 a venting device 22.
  • the writing tip 20 and the venting device 22 are only schematic by means of a shown cap 24 can be closed.
  • the delivery channel 16 is designed as a capillary delivery channel, i.e. it has capillary longitudinal channels in its interior, which to convey the writing fluid from the second capillary memory 18 serve towards the writing tip 20.
  • the outer walls of the delivery channel 16 are closed, so that no immediate Connection between the delivery channel 16 and the first capillary store 14 exists.
  • the first area 14.1 of the first capillary memory 14 is particularly high capillary and essentially serves as an air barrier. It soaks up liquid very quickly and then prevents the ink supply from completely running out from the receiving space 12 because he has the pressure equalization the ambient air prevented. In contrast is the second area 14.2 of the first capillary reservoir. He sucks first, i.e. usually not full. Much more it serves as a compensation volume in the event that there is too much ink due to pressure fluctuations from the ink supply.
  • the second capillary store 18 is used for temporary storage of writing fluid in case of overhead writing.
  • the first capillary store 14, the second capillary store 18, the capillary delivery channel 16 and the writing tip 20 can be made from any suitable material his. Sintered materials and fiber materials are examples called.
  • the delivery channel 16 is preferably an ink conductor that can transport ink axially, but does not allow radial ink flow. It can happen are extruded polyacetal or polyamide. Is conceivable also, the ink line made of sintered or glued with resin Fiber material (polyethylene [PE], polypropylene [PP], polyester [PET], polyamide, polyacetate, etc.). In this The case is to prevent radial ink flow Ink tube with an additional wrap ("Plastic hose" made of PE, PP, PET).
  • the capillary memory 18 u. 14 and 14.1 u. 14.2 are preferably made of "wettable" plastic materials.
  • wettable is understood to mean that when using a hydrophilic ink rather a hydrophilic one Memory and when using a hydrophobic ink rather one hydrophobic memory should be used.
  • the surfaces the memory may be by coating with wetting agents (for example with surfactants) or with water repellents (for example silicones or silicone derivatives) designed according to the respective application.
  • wetting agents for example with surfactants
  • water repellents for example silicones or silicone derivatives
  • the writing fluid is written only on the Delivery channel 16 to the writing tip 20 promoted.
  • the writing tip 20 has additional capillary channels that the Serve pressure equalization in the device.
  • the housing 10 has a constriction, so that the diameter of the housing 10 approximately at the level of the first Area 14.1 decreases towards the receiving space 12, the first Area 14.1 of the capillary memory 14 is cylindrical in the idle state Has contour.
  • the first area 14.1 is also in the idle state cylindrical contour in the conical to the receiving space 12 introduced towards the interior of the housing 10, so he squeezed toward the recording room 12 increasingly increasing.
  • the resulting reduction the cross section of the capillaries leads to a capillarity gradient.
  • the mentioned (conical) reduction in cross section of the Housing 10 can, for example, by insertion or injection of a (conical) ring in or on the housing 10 become.
  • the second Area 14.2 is not applicable. But it can also be used as an additional buffer storage remain unchanged. Of course, the capillarity gradient also generated in the second area 14.2 become. In such a case, however, the maximum capillarity in the second area 14.2 be less than that Minimum capacity in the first area 14.1.

Landscapes

  • Pens And Brushes (AREA)
  • Coating Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (10)

  1. Dispositif d'application d'un liquide d'écriture sur une surface, avec
    une enceinte (12) pour recevoir le liquide d'écriture sous forme libre,
    un premier accumulateur capillaire (14),
    un élément applicateur (20),
    un canal de transfert (16) ne coïncidant pas avec le premier accumulateur capillaire (14), pour véhiculer le liquide d'écriture de l'enceinte de logement (12) vers l'élément applicateur (20), et
    un dispositif d'aération (22) pour assurer .la liaison envers l'air ambiant,
    le dispositif d'aération (22) étant relié à l'enceinte de logement (12) par l'intermédiaire du premier accumulateur capillaire (14),
       caractérisé en ce que
    le premier accumulateur (14) comporte une première zone (14.1), ayant une première capillarité, et une deuxième zone (14.2), ayant une deuxième capillarité, inférieure à la première capillarité, et
    la première zone (14.1) est reliée à l'enceinte de logement (12), la deuxième zone (14.2) est reliée au dispositif d'aération (22) et la première et la deuxième zones (14.1, 14.2) sont reliées ensemble.
  2. Dispositif selon la revendication 1, caractérisé en ce que le premier accumulateur capillaire (14) n'est pas directement relié au canal de transfert (16).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le premier accumulateur capillaire (14) est un accumulateur ayant des gradients de capillarité et la première et la deuxième zones (14.1, 14.2) sont formées par des tronçons du premier accumulateur capillaire (14) ayant une capillarité supérieure et une autre capillarité inférieure.
  4. Dispositif selon la revendication 3, caractérisé en ce que, pour réaliser le gradient de capillarité, le matériau du premier accumulateur capillaire (14) est comprimé, au moins par tronçons, de plus en plus fortement, dans la direction de la capillarité augmentée.
  5. Dispositif selon l'une des revendications précédentes, caractérisé par un deuxième accumulateur capillaire (18), installé entre l'enceinte de logement (12) et le canal de transfert (16).
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'aération (22) est obturable.
  7. Dispositif selon la revendication 6, caractérisé en ce qu'un capuchon de protecteur (24), prévu pour le dispositif applicateur (20), sert simultanément d'obturation pour le dispositif d'aération (22).
  8. Dispositif selon l'une des revendications précédentes, caractérisé en ce que la première et la deuxième zones (14.1, 14.2) du premier accumulateur capillaire (14) sont disposées entre l'enceinte de logement (12) pour le liquide d'écriture et l'élément applicateur (20), et le canal de transfert (16) s'étend à travers la première et la deuxième zones (14.1, 14.2).
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le canal de transfert (16) est conçu pour véhiculer le liquide d'écriture, de l'enceinte de logement (12) vers l'élément applicateur (20), d'après les effets capillaires.
  10. Dispositif selon l'une des revendications précédentes, caractérisé en ce que la résistance à l'écoulement manifesté dans le canal de transfert (16) est supérieure à la résistance à l'écoulement manifestée par le premier accumulateur capillaire (14).
EP99112968A 1999-07-05 1999-07-05 Dispositif pour appliquer de l'encre sur une surface Expired - Lifetime EP1066982B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT99112968T ATE210022T1 (de) 1999-07-05 1999-07-05 Vorrichtung zum auftragen einer schreibflüssigkeit auf eine fläche
ES99112968T ES2165216T3 (es) 1999-07-05 1999-07-05 Dispositivo para la aplicacion de tinta sobre una superficie.
DE59900500T DE59900500D1 (de) 1999-07-05 1999-07-05 Vorrichtung zum Auftragen einer Schreibflüssigkeit auf eine Fläche
EP99112968A EP1066982B1 (fr) 1999-07-05 1999-07-05 Dispositif pour appliquer de l'encre sur une surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99112968A EP1066982B1 (fr) 1999-07-05 1999-07-05 Dispositif pour appliquer de l'encre sur une surface

Publications (2)

Publication Number Publication Date
EP1066982A1 EP1066982A1 (fr) 2001-01-10
EP1066982B1 true EP1066982B1 (fr) 2001-12-05

Family

ID=8238517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99112968A Expired - Lifetime EP1066982B1 (fr) 1999-07-05 1999-07-05 Dispositif pour appliquer de l'encre sur une surface

Country Status (4)

Country Link
EP (1) EP1066982B1 (fr)
AT (1) ATE210022T1 (fr)
DE (1) DE59900500D1 (fr)
ES (1) ES2165216T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105313536B (zh) * 2014-05-30 2018-04-27 宁波五云笔业有限公司 直液式书写工具

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588319A (en) * 1984-10-25 1986-05-13 Nicolet Instrument Corporation Marking instrument
DE4115685C3 (de) 1991-05-14 2001-07-05 Dataprint Datendrucksysteme R Schreibgerät mit in einem Behälter frei aufgenommener Schreibflüssigkeit
FR2676969B1 (fr) * 1991-05-27 1996-08-23 Conte Sa Article d'ecriture a encre liquide comportant un reservoir tampon-microporeux.
DE19529865C2 (de) 1995-08-14 2002-02-28 Kaufmann R Dataprint Gerät zum Auftragen von Flüssigkeiten auf eine Unterlage mittels eines Auftragselements
FR2747611B1 (fr) * 1996-04-23 1998-07-10 Conte Sa Reservoir tampon pour article d'ecriture a encre liquide et article d'ecriture comportant un tel reservoir
WO1998021052A2 (fr) * 1996-11-12 1998-05-22 Avery Dennison Corporation Ustensile servant a distribuer un liquide

Also Published As

Publication number Publication date
DE59900500D1 (de) 2002-01-17
ATE210022T1 (de) 2001-12-15
EP1066982A1 (fr) 2001-01-10
ES2165216T3 (es) 2002-03-01

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