EP0553441A1 - Appareil pour appliquer un liquide - Google Patents

Appareil pour appliquer un liquide Download PDF

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Publication number
EP0553441A1
EP0553441A1 EP92120715A EP92120715A EP0553441A1 EP 0553441 A1 EP0553441 A1 EP 0553441A1 EP 92120715 A EP92120715 A EP 92120715A EP 92120715 A EP92120715 A EP 92120715A EP 0553441 A1 EP0553441 A1 EP 0553441A1
Authority
EP
European Patent Office
Prior art keywords
wick body
bristle bundle
liquid
bundle
wick
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP92120715A
Other languages
German (de)
English (en)
Other versions
EP0553441B1 (fr
Inventor
Georg Weihrauch
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.)
Coronet Werke GmbH
Original Assignee
Coronet Werke 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 Coronet Werke GmbH filed Critical Coronet Werke GmbH
Publication of EP0553441A1 publication Critical patent/EP0553441A1/fr
Application granted granted Critical
Publication of EP0553441B1 publication Critical patent/EP0553441B1/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

Definitions

  • the invention relates to a device for applying liquids, in particular a writing device, with a housing in which a storage for the liquid is formed and at least one bristle bundle arranged in an opening of the housing, by means of which the liquid flowing to it can be applied.
  • Liquid applicators are known as writing implements, so-called felt or fiber pens, in which the writing tip consists of a cut felt strip, of resinized and shaped or shaped fiber bundles or of extruded capillary profiles.
  • the writing tip is fed from a memory with writing fluid which is transferred to a writing surface, for example a sheet of paper can.
  • a writing surface for example a sheet of paper can.
  • liquid is replenished from the memory due to capillary forces.
  • the line width is determined solely by the shape of the tip. An individual adjustment of the line width is not possible in this way.
  • the line thickness also changes in many cases with increasing service life due to signs of wear on the application material.
  • a liquid applicator in which the writing tip consists of a bundle of bristles, the rear, inner end of which is immersed in a liquid located in a reservoir.
  • the writing tip By the front, free end of the bristle bundle over a base, for. B. a sheet of paper is guided, liquid is released from the bristle bundle to the paper, with liquid flowing from the memory into the bristle bundle due to the capillary action.
  • Dependent on the contact pressure of the bristles on the base and thus the line thickness can be varied by the pressure with which the writing tip is pressed onto the base, and the amount of the liquid dispensed can also be changed by the user.
  • the writing tip can be reactivated in a simple manner by flexing movements of the bristles.
  • the invention has for its object to provide a device of the type mentioned, in which the suitable amount of liquid can be supplied to the bundle of bristles in a structurally simple and functionally reliable manner.
  • a wick body is provided in the housing, which is arranged upstream of the bristle bundle in the direction of flow and dispenses the liquid to the bristle bundle, and that the bristle bundle is at least partially inserted into the wick body.
  • the wick body ensures a uniform supply of the bristle bundle with a small but sufficient amount of liquid.
  • the liquid is sucked into the bristle bundle by capillary forces from the wick body.
  • capillary forces are also effective in the wick body, which bring about a replenishment of liquid in the wick body.
  • the wick body thus acts on the one hand as an automatically operating metering device, by means of which the appropriate amount of liquid is always supplied to the bristle bundle, and on the other hand as a buffer that prevents direct access of the liquid to the bristle bundle.
  • the outflow of the liquid during the application process is not only determined by the bundle of bristles and its capillarity, but is also significantly influenced by the body of the wick and its hydraulic properties.
  • the design effort is low, in particular the arrangement of spring-loaded valve bodies and the formation of corresponding valve seats with necessarily narrow manufacturing tolerances as in the known liquid applicators is not necessary.
  • the device according to the invention neither particularly complex manufacturing techniques are necessary, nor can malfunctions enter.
  • the device can be manufactured in a simple and inexpensive manner.
  • the at least one bundle of bristles is held directly in the wick body.
  • the formation of a separate holder is avoided, as a result of which the construction is simple, and on the other hand, the bundle of bristles can be reliably held in contact with the wick body, so that it is ensured that the capillary suction forces which occur in the bristle bundle as a result of liquid being released occur the wick body are transferred. This ensures that the liquid flows from the wick body into the bundle of bristles in the desired manner.
  • the wick body is arranged between the reservoir and the bristle bundle, it can be ensured in a structurally simple manner that the liquid from the reservoir must flow through the wick body.
  • This series connection of memory, wick body and bristle bundle in terms of flow technology reliably prevents the bristle bundle from being fed with liquid directly from the reservoir, which could entail the disadvantages described.
  • the wick body forms the storage. If necessary, the separate formation of a liquid reservoir can thus be dispensed with, as a result of which the device can be manufactured inexpensively. In this case, the wick body can completely fill the interior of the housing, so that a sufficient amount of liquid can be stored in the wick body.
  • the bristle bundle is arranged at a distance from the inner end of the wick body.
  • the bundle of bristles is preferably held in a blind hole in the wick body.
  • the arrangement of the bristle bundle in the blind hole represents a structurally particularly simple configuration and also ensures precise positioning and secure holding of the bristle bundle with a corresponding blind hole depth.
  • the bristle bundle is in contact with the wick body over a relatively large area, which prevents the liquid from flowing in evenly the wick body into the bristle bundle is possible both via its inner end face and from the side, ie over the usually cylindrical contact surface.
  • the bundle of bristles can be held in the blind hole in various ways. It has proven to be particularly advantageous if the bristle bundle is held in the blind hole by means of a press fit. In this way, the arrangement of special fasteners can be dispensed with. Additionally or alternatively, it can be provided that the bristle bundle is held in a form-fitting manner in the blind hole of the wick body. Fastening the bundle of bristles in the blind hole due to its shape ensures that the bundle of bristles cannot unintentionally come loose. It has proven useful if an annular flange is formed at the inner end of the bristle bundle by melting the bristle ends, by means of which the bristle bundle is bumped into the blind hole.
  • the housing holds the wick body under a radially inward bias.
  • the wick body tightens against the bundle of bristles inserted into the blind hole, as a result of which the frictional forces between the wick body and the bundle of bristles are significantly increased.
  • the entire outer surface of the bristle bundle is used to hold it, so that external loads on the bristle bundle that occur during use over the entire surface can be derived.
  • bristle bundles can also be provided.
  • several, preferably four blind holes are formed, in each of which a bundle of bristles is held, arranged uniformly over the cross section of the wick body.
  • the individual bristle bundles can assume the position of the corners of a square in cross section, for example.
  • the bristle bundle extends to the inner end of the wick body, the liquid penetrating from the wick body into the bristle bundle via the outer surface of the bundle. If the bristle bundle completely penetrates or is surrounded by the wick body, the bristle bundle and the wick body can be produced continuously in a single operation, for example by foaming a bristle strand or bringing it together with a fiber bundle strand. After cutting to length and mechanical processing of a working or writing tip, a bristle bundle wick body unit can be created in a simple and quick manner, which only has to be inserted into a housing.
  • the inner end face of the bristle bundle is closed by gluing, welding, etc. is.
  • the liquid is forced to flow first through the wick body, before it enters the bristle bundle through the outer surface of the bundle of bristles, so that the liquid flow is evened out.
  • the invention provides that the bristle bundles converge towards their free ends.
  • the individual bristle bundles can converge to form a common tip and can thus be arranged inclined to one another in the region of their free end.
  • the invention provides that the wick body near the opening of the housing has a peripheral peripheral recess and the bundle of bristles is held in the recess between the wick body and the edge of the opening of the housing.
  • the circumferential recess can also be produced in a simple manner with smaller wick bodies.
  • the bristle bundle has a cavity, at least in the area projecting beyond the wick body, and that the bristles converge to a tip on the central axis of the wick body.
  • the body of the wick can consist of fleece, felt or cotton.
  • the wick body consists of an absorbent plastic foam and is foamed onto the bristle bundle or consists of extruded capillary profiles. It has proven to be advantageous if the wick body has fibers oriented essentially in its longitudinal direction.
  • the device 10 for applying liquids has an essentially circular-cylindrical housing 11 which is conically tapered in its lower end region shown in FIG. 1 and has an opening 11a at its end.
  • a memory for a liquid to be applied for example ink, is formed in a known manner, not shown, or this memory is formed by the housing.
  • a wick body 13 formed from fleece, felt, wadding or the like is held in the housing 11 below the reservoir, the wick body 13 being fed with liquid from the reservoir. The lower free end of the wick body 13 is located within the housing 11 at a distance from the opening 11a.
  • the shape of the wick body 13 is adapted to the inner contour of the housing 11, but has a certain excess, so that in its state shown in FIG. 1, in which it is inserted into the housing 11, it is directed radially inwards Prestress is present, and is thus held securely in the housing 11.
  • a blind hole 14 is formed in the wick body 13. As FIGS. 1 and 2 show, the blind hole 14 runs essentially in the central axis S of the wick body 13 and thus also of the housing 11.
  • a bundle of bristles 12 is inserted into the blind hole 14 and in this, for. B. held by a press fit.
  • the pressing force for holding the bristle bundle 12 is generated in that the cross section of the bristle bundle 12 is larger than the cross section of the blind hole 14 and thus the blind hole 14 is widened when the bristle bundle 12 is inserted.
  • the bristle bundle 12 extends through the opening 11a of the housing 11 and has a z.
  • the contact surface of the bristle bundle 12 on the base or the surface relevant for the liquid discharge and thus the line thickness can be changed depending on the pressure of the bristles.
  • liquid e.g. B. writing fluid, emitted
  • liquid flows from the capillary forces acting between the bristles Wick body 13 both into the bristle bundle 12 via the inner end face of the bristle bundle 12 and also via its outer surface which is in contact with the wick body 13.
  • the wick body 13 is thereby replenished from the memory, not shown.
  • FIG. 3 shows an alternative holder for the bristle bundle 12 in the blind hole 14 of the wick body 13.
  • annular flange 15 is formed, for example, by melting the bristle ends, so that the bristle bundle can be inserted into the blind hole in a form-fitting manner.
  • the wick body 13 shown in FIG. 3 with the bristle bundle 12 is held in a housing in accordance with FIGS. 1 and 2.
  • the bristle bundle 12 shown in FIG. 3 has a spherical application end 12a with a relatively large contact surface.
  • This training can be used, for example, in so-called marker pens or for applying cosmetics, for example nail polish.
  • FIGS. 4 and 5 show an embodiment in which four bundles of bristles 12 are held in the wick body 13.
  • four blind holes 14 are formed in the wick body 13, which are arranged symmetrically to the central axis S of the wick body 13 and have the same angular distance from one another.
  • the blind holes 14 are thus arranged in the corner points of a square.
  • the bristles of all the bristle bundles 12 run parallel to one another within the wick body 13.
  • the bristles are inclined in the direction of the central axis S of the wick body 13.
  • the bristle bundles 12 converge conically at their free end in a tip P arranged on the central axis S, the bristles also running inclined to one another within each bristle bundle 12.
  • a circumferential recess 16 is formed in its peripheral region, so that the wick body 13 has a stepped cross section.
  • a sleeve-shaped bristle bundle 17 is inserted, a hollow bristle bundle 17 is inserted, the bristles of which are arranged inclined to one another and converge in a tip P on the central axis S of the wick body 13, so that an essentially point-shaped writing tip is formed.
  • the bristle bundle 17 is held in the recess 16 by means of the conically tapering lower end of the housing 11, which engages around the bristle bundle 17, a clamping force being generated between the housing 11 and the wick body 13.
  • a bristle bundle 12 extends over the entire length of the surrounding wick body 13 up to its inner end 13a, a writing tip 12a being formed at the lower end in a known manner.
  • a structure can, for example can be achieved by continuously applying a wick body material to a bristle strand and then cutting to length and reworking.
  • the inner end face 12b of the bristle bundle 12 thus lies in one plane with the inner end 13a of the wick body 13.
  • the liquid can only enter the wick body via the inner end face 13a, while a passage of liquid into the bundle of bristles 12 is prevented via the inner end face 12b, since this is sealed liquid-tight by gluing, welding or a corresponding measure.
  • the liquid then flows along the wick body 13 and enters the bristle bundle 12 in the radial direction via the cylindrical outer surface.
  • FIGS. 8a and 8b A schematic representation of the liquid transfer from the wick body 13 into the bristle bundle 12 is shown in FIGS. 8a and 8b.
  • the wick body 13 with fibers oriented in the longitudinal direction is supplied with liquid from the storage (not shown). This is due to the capillary action on the cylindrical boundary or lateral surface to the bristle bundle 12. Since the individual bristles of the bristle bundle 12 do not lie completely close to one another, the liquid also penetrates the bristle bundle 12. In addition, there are capillary forces in the radial direction, which arise from the capillary pressure in the gaps between the individual bristles. In the interior of the bristle bundle 12, the capillary pressure in the channels formed by the individual bristles generates capillary forces in the longitudinal direction of the bristles. If necessary, supported by gravity, they ensure that the liquid is transported to the nib where it is dispensed. Thus, the writing tip of the bristle bundle 12 is always adequately supplied with liquid.
  • the channels between the individual bristles are changed by a flexing deformation of the writing tip when writing, painting or applying, whereby a dosing of the liquid flow is generated by changing the capillary forces.
  • wick body 13 made of an oriented fiber fleece
  • the individual fibers are connected to one another at many points along their length, for example resinified. This causes a throttling effect in the liquid flow.
  • the wick body 13 is usually not deformed when the device is actuated, so that irrespective of the use of the device for the wick body, there is a constant dispensing characteristic with regard to the liquid to the bristle bundle.
  • the liquid in the bristle bundle is subject to a significantly lower throttling compared to the wick body, since the individual bristles are not connected to one another.
  • the writing tip is deformed, as a result of which a metering of the liquid flow, i. H. a release of the liquid and its replenishment results.

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  • Pens And Brushes (AREA)
  • Coating Apparatus (AREA)
  • Control Of Non-Electrical Variables (AREA)
EP92120715A 1992-01-28 1992-12-04 Appareil pour appliquer un liquide Expired - Lifetime EP0553441B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4202239 1992-01-28
DE4202239A DE4202239A1 (de) 1992-01-28 1992-01-28 Vorrichtung zum aufbringen von fluessigkeiten

Publications (2)

Publication Number Publication Date
EP0553441A1 true EP0553441A1 (fr) 1993-08-04
EP0553441B1 EP0553441B1 (fr) 1996-07-03

Family

ID=6450387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92120715A Expired - Lifetime EP0553441B1 (fr) 1992-01-28 1992-12-04 Appareil pour appliquer un liquide

Country Status (4)

Country Link
EP (1) EP0553441B1 (fr)
JP (1) JPH0789288A (fr)
DE (2) DE4202239A1 (fr)
ES (1) ES2089350T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2833520A1 (fr) * 2001-12-18 2003-06-20 Conte Article d'ecriture equipe de moyens supports pour la pointe d'ecriture
EP2011415A1 (fr) * 2007-07-04 2009-01-07 Ikeda Corporation Structure de support de brosse d'un applicateur de cosmétique liquide

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010284927A (ja) * 2009-06-12 2010-12-24 Soliton Corp 塗布具

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1461672A1 (de) * 1965-05-15 1969-03-27 Pelikan Werke Wagner Guenther Schreibgeraet mit Farbspeicher und Kapillarrohr
DE7023015U (de) * 1970-06-19 1970-09-17 Kreuzer J Mal- oder Schreibgerät
DE8705998U1 (de) * 1987-04-23 1987-06-25 Hans P. Maier GmbH, 8500 Nürnberg Pinsel mit Flüssigkeitendurchlaß
DE3642037A1 (de) * 1986-12-09 1988-06-23 Staedtler Fa J S Kapillarspeicher fuer tintenschreibgeraete
DE3712962A1 (de) * 1987-04-16 1988-11-03 Schlerf Coronet Werke Verfahren zur herstellung von borstenwaren
EP0329939A2 (fr) * 1988-02-20 1989-08-30 CORONET-Werke Gesellschaft mit beschränkter Haftung Procédé et appareil pour la fabrication d'un dispositif pour appliquer des liquides via des soies
WO1992013646A1 (fr) * 1991-01-31 1992-08-20 Pentel Kabushiki Kaisha Dispositif de decharge d'un liquide par l'application d'une poussee sur son extremite arriere

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1461672A1 (de) * 1965-05-15 1969-03-27 Pelikan Werke Wagner Guenther Schreibgeraet mit Farbspeicher und Kapillarrohr
DE7023015U (de) * 1970-06-19 1970-09-17 Kreuzer J Mal- oder Schreibgerät
DE3642037A1 (de) * 1986-12-09 1988-06-23 Staedtler Fa J S Kapillarspeicher fuer tintenschreibgeraete
DE3712962A1 (de) * 1987-04-16 1988-11-03 Schlerf Coronet Werke Verfahren zur herstellung von borstenwaren
DE8705998U1 (de) * 1987-04-23 1987-06-25 Hans P. Maier GmbH, 8500 Nürnberg Pinsel mit Flüssigkeitendurchlaß
EP0329939A2 (fr) * 1988-02-20 1989-08-30 CORONET-Werke Gesellschaft mit beschränkter Haftung Procédé et appareil pour la fabrication d'un dispositif pour appliquer des liquides via des soies
WO1992013646A1 (fr) * 1991-01-31 1992-08-20 Pentel Kabushiki Kaisha Dispositif de decharge d'un liquide par l'application d'une poussee sur son extremite arriere

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2833520A1 (fr) * 2001-12-18 2003-06-20 Conte Article d'ecriture equipe de moyens supports pour la pointe d'ecriture
WO2003051648A1 (fr) * 2001-12-18 2003-06-26 Conte Article d'ecriture equipe de moyens supports pour la pointe d'ecriture
US7156573B2 (en) 2001-12-18 2007-01-02 Conte Writing implement fitted with support means for the writing tip
CN100352671C (zh) * 2001-12-18 2007-12-05 康特公司 装配有笔尖用的支座装置的书写工具
EP2011415A1 (fr) * 2007-07-04 2009-01-07 Ikeda Corporation Structure de support de brosse d'un applicateur de cosmétique liquide

Also Published As

Publication number Publication date
DE59206703D1 (de) 1996-08-08
EP0553441B1 (fr) 1996-07-03
ES2089350T3 (es) 1996-10-01
DE4202239A1 (de) 1993-07-29
JPH0789288A (ja) 1995-04-04

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