EP1065073B1 - Instrument d'écriture - Google Patents

Instrument d'écriture Download PDF

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Publication number
EP1065073B1
EP1065073B1 EP00110952A EP00110952A EP1065073B1 EP 1065073 B1 EP1065073 B1 EP 1065073B1 EP 00110952 A EP00110952 A EP 00110952A EP 00110952 A EP00110952 A EP 00110952A EP 1065073 B1 EP1065073 B1 EP 1065073B1
Authority
EP
European Patent Office
Prior art keywords
tube
feeder
supply element
liquid
capillary
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
EP00110952A
Other languages
German (de)
English (en)
Other versions
EP1065073A1 (fr
Inventor
Wolfgang Witz
Gerold Anderka
Bernd Bastiansen
Ralf Polley
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.)
Sanford GmbH
Original Assignee
Sanford 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 Sanford GmbH filed Critical Sanford GmbH
Publication of EP1065073A1 publication Critical patent/EP1065073A1/fr
Application granted granted Critical
Publication of EP1065073B1 publication Critical patent/EP1065073B1/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 hand-applicator for applying a liquid to a pad, in particular writing instrument or marker, with a housing, at the front end of a writing tip is provided, which is connected via a capillary feeder to a free liquid storage space, and porous material having a capillarity less than that of the feeder, surrounding the feeder and communicating at its front end with the ambient air, with a partition wall between the rear end of the buffer and the hopper, through which the feeder extends and from which a liquid-tight wall having a tube extending forward, the interior of which is in communication with the reservoir.
  • the tube is used only for holding components of the applicator, namely the Tintenzu remediess and optionally also the buffer memory.
  • a hand-applicator of the type mentioned is inventively designed such that the tube forms a Kapillarkanal whose capillarity is smaller than that of the feeder and larger than that of the buffer memory, and the front opening of the tube in the front third of Buffer and is located at a distance from the front end.
  • the front opening of the tube is located at a distance of two millimeters to four millimeters from the front end of the buffer memory.
  • the tube communicating with the reservoir extends into the buffer memory and in this until shortly before the front end, ie in the area in which it to the above-mentioned accumulation comes from liquid as a result of overpressure arising in the reservoir.
  • the capillary channel formed by the tube which may optionally also contain open-pored material, therefore, represents a connection between this area and the storage space. Due to the position of the front opening of the tube near the front end of the buffer memory is thus not the emergence of a negative pressure in the storage room only ambient air is guided through this pipe into the storage space, but there is also a sucking back of liquid from the region of the buffer storage to the front opening of the pipe in the storage space and is available again for the application process.
  • the sizes of the capillaries selected for the feeder, for the capillary channel formed by the tube, for the buffer memory and also for the writing tip depend on the particular structure of the device and are usually determined by tests.
  • the tube extends parallel to the feeder and in the lateral distance from this. In another embodiment, the tube may extend surrounding the feeder coaxially thereto.
  • the tube may surround a portion of the reduced diameter feeder and be supported at its forward end by a transition shoulder of the feeder to thereby ensure, in use, that the feeder will not be displaced backward by the writing pressure ,
  • the capillary channel is then formed between the inner wall of the tube and outer surface of the feeder, and it may be connected to the buffer storage via a front axial capillary gap and at least one radial gap provided in the support region.
  • the tube may surround the feeder adjacent the outer surface thereof, and the capillary channel may be formed by a coaxial channel in the feeder.
  • the capillary channel may be formed by a coaxial channel in the feeder.
  • the applicator shown in Figure 1 has a conventional, holder-shaped housing 1 with a sealing at its front end, such as by welding or gluing attached front part 2.
  • the rear part of the housing 1 forms a reservoir 5 for free application liquid, such as ink, and is forward limited by a partition 10.
  • This has a central opening in which a conventional, open-pored feeder 7 is seated, which is in contact with the liquid in the storage space 5 at its rear end and forms a writing tip 8 with its front end.
  • the front portion of the feeder 7 extends through a central opening in the front part 2, which has a ventilation opening 3 for connecting the interior of the housing to the ambient air.
  • the feeder 7 is surrounded in the usual way by a buffer 9 of porous material, whose capillarity is less than that of the feeder, wherein at least in some areas a direct contact between feeder 7 and buffer memory 9 is.
  • a buffer 9 of porous material whose capillarity is less than that of the feeder, wherein at least in some areas a direct contact between feeder 7 and buffer memory 9 is.
  • the feeder 7 including the writing tip 8 formed by it may consist of a sintered material, while the buffer memory 9 is usually made of a fibrous or sponge material. Suitable fiber materials are manufactured by Filtrona Filter GmbH.
  • the previously described construction of the applicator is common.
  • the special feature is that extends from the partition wall 10 forwardly a tube 11 which extends laterally from and parallel to the feeder 7 and ends with its front end at a short distance from the front end of the buffer memory 9.
  • the distance between the front end of the buffer reservoir 9 and the front end and thus the front opening of the tube 11 is usually determined by experiments. It should be as small as possible, but large enough to ensure that the function described below is achieved. In practice, it has been found that a distance of 2 mm to 4 mm gives the desired effect.
  • the capillary channel 12 formed by the tube 11 connects the front end portion of the buffer memory 9 with the reservoir 5. Therefore, if in the reservoir 5, a negative pressure, it is through this from the area of the buffer memory 9, which surrounds the front opening of the tube 11 and in front of the latter, there existing liquid and then also air sucked into the storage space 5, and because of the relative to the capillarity of the feeder 7 lower capillarity and thus lower resistance of the capillary 12 through this.
  • the tube 11 ' which is formed integrally with the partition wall 10', arranged coaxially to the feeder 7 '. This has a rear portion of reduced diameter, the tube 11 'surrounds, and therefore forms at the front end of this section an annular shoulder on which the front end of the tube 11' is supported.
  • the tube 11 ' has in this front region two arc-shaped projections which bear against the annular shoulder, while arcuate gaps 14 are formed between the projections.
  • a capillary axial gap 13 extends to the rear, at the rear end of which a capillary annular gap 12 'formed between tube 11' and feeder 7 'begins, which extends to the rear end of the feeder 7' and in connection with the storage room 5 is.
  • This annular gap 12 ' forms the capillary channel, which communicates via the axial gap 13 and the one radial gap 14 with the buffer memory 9 'in connection.
  • a negative pressure forming in the storage space 5 therefore leads to a suction of liquid from the front area of the buffer store 9 'and an intake of air through the radial gap 14, the axial gap 13 and the capillary channel 12'.
  • the applicator shown in Figure 5 is similar in construction and operation of the applicators of Figure 1 and Figures 2 to 4 and the same parts as in the applicator of Figure 1 are therefore denoted by the same reference numerals and corresponding parts with the same reference numerals and additionally with ".
  • feeder 7 "and writing tip 8" are formed as separate members, and the capillarity of the writing tip 8 "is usually larger than that of the feeder 7".
  • a continuous, coaxial channel is formed, which forms a capillary channel 12".
  • the pipe 11 "integrally formed with the partition wall 10" surrounds the feeder 7 "and is in contact with its outer surface, ie no channel communicating with the storage space 5 is formed between pipe 11" and outer surface of the feeder 7 for the function essential capillary 12 "coaxially in the feeder, so that upon the emergence of a Unterdrukkes in the reservoir 5 liquid from the area of the buffer memory 9" around and in front of the front end of the tube 11 "and air through the front of the front end of the tube 11” Liquid and air take the path of least resistance, ie they pass radially through the wall of the feeder 7 ", and then axially back through the capillary channel 12" to be transported while a corresponding transport in the axial direction by the feeder 7 "because of the comparatively substantially hö Heren flow resistance does not occur.

Landscapes

  • Pens And Brushes (AREA)
  • Coating Apparatus (AREA)
  • Massaging Devices (AREA)

Claims (6)

  1. Instrument d'écriture manuelle pour l'application d'un liquide sur un substrat, en particulier stylographe ou marqueur, avec un boîtier (1, 2) à l'extrémité antérieure duquel est prévue une pointe d'écriture (8 ; 8' ; 8") raccordée par un canal d'alimentation capillaire (7 ; 7' ; 7") à un réservoir (5) à liquide libre, ainsi qu'à un réservoir-tampon (9 ; 9' ; 9") en matériau à pores ouverts, de moindre capillarité que le canal d'alimentation (7 ; 7' ; 7"), qui entoure le canal d'alimentation (7 ; 7' ; 7") et qui est relié à l'air environnant par son extrémité antérieure, une cloison de séparation (10 ; 10' ; 10") étant prévue entre l'extrémité arrière du réservoir-tampon (9 ; 9' ; 9") et le réservoir (5), au travers de laquelle s'étend le canal d'alimentation (7 ; 7' ; 7") et à partir de laquelle s'étend vers l'avant un conduit (11 ; 11' ; 11") comportant une paroi étanche au liquide, dont l'intérieur est relié au réservoir (5), caractérisé en ce que le conduit (11 ; 11' ; 11") forme un canal capillaire (12 ; 12' ; 12") dont la capillarité est inférieure à celle du canal d'alimentation (7 ; 7' ; 7") et supérieure à celle du réservoir-tampon (9 ; 9' ; 9"), et en ce que l'orifice avant du conduit (11 ; 11' ; 11") se trouve dans le tiers avant du réservoir-tampon (9 ; 9' ; 9") et à intervalle de son extrémité antérieure.
  2. Instrument d'écriture manuelle selon la revendication 1, caractérisé en ce que le conduit (11) s'étend parallèlement au canal d'alimentation (7) et à intervalle latéral de celui-ci.
  3. Instrument d'écriture manuelle selon la revendication 1, caractérisé en ce que le conduit (11' ; 11") s'étend coaxialement au canal d'alimentation (7' ; 7") en entourant celui-ci.
  4. Instrument d'écriture manuelle selon la revendication 3, caractérisé en ce que le conduit (11') entoure un partie du canal d'alimentation (7') à diamètre réduit et s'appuie par son extrémité antérieure contre un épaulement de transition du canal d'alimentation (7'), et en ce que le canal capillaire (12') formé entre la paroi intérieure du conduit (11') et la surface extérieure du canal d'alimentation (7') est relié au réservoir-tampon (9') par une fente axiale capillaire avant (13) et au moins une fente radiale (14) prévue dans la zone d'appui.
  5. Instrument d'écriture manuelle selon la revendication 3, caractérisé en ce que le conduit (11") entoure le canal d'alimentation (7") en reposant contre la surface extérieure de celui-ci, et en ce que le canal capillaire (12") est formé par un canal s'étendant coaxialement dans le canal d'alimentation.
  6. Instrument d'écriture manuelle selon l'une des revendications 1 à 5, caractérisé en ce que l'orifice avant du conduit (11 ; 11') se trouve à intervalle de 2 mm à 4 mm de l'extrémité antérieure du réservoir-tampon (9 ; 9').
EP00110952A 1999-06-28 2000-05-26 Instrument d'écriture Expired - Lifetime EP1065073B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19930540 1999-06-28
DE19930540A DE19930540B4 (de) 1999-06-28 1999-06-28 Hand-Auftraggerät

Publications (2)

Publication Number Publication Date
EP1065073A1 EP1065073A1 (fr) 2001-01-03
EP1065073B1 true EP1065073B1 (fr) 2006-12-13

Family

ID=7913420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00110952A Expired - Lifetime EP1065073B1 (fr) 1999-06-28 2000-05-26 Instrument d'écriture

Country Status (5)

Country Link
US (1) US6322269B1 (fr)
EP (1) EP1065073B1 (fr)
JP (1) JP3778782B2 (fr)
AT (1) ATE348017T1 (fr)
DE (3) DE19930540B4 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
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US6416242B1 (en) 1993-11-12 2002-07-09 Dataprint R. Kaufmann Gmbh Efficient fluid dispensing utensil
DE19529865C2 (de) 1995-08-14 2002-02-28 Kaufmann R Dataprint Gerät zum Auftragen von Flüssigkeiten auf eine Unterlage mittels eines Auftragselements
DE19930540B4 (de) * 1999-06-28 2004-04-22 Sanford Gmbh Hand-Auftraggerät
DE60226792D1 (de) 2001-03-26 2008-07-03 Sanford Lp Druckregulierte freie Tintenzuführung
US6457892B1 (en) 2001-04-20 2002-10-01 Avery Dennison Corporation Writing instrument having a capillary hole through the container
JP3861213B2 (ja) * 2001-06-04 2006-12-20 司フエルト商事株式会社 インキ導入管及びこれを内蔵した筆記具
US6637965B1 (en) 2001-06-22 2003-10-28 Avery Dennison Corporation Writing instrument having a reservoir between a tip and a capillary storage
US7044675B2 (en) * 2002-12-10 2006-05-16 Bic Corporation Leak resistant writing instrument
US7481593B2 (en) * 2003-08-19 2009-01-27 Sanford, L.P. Combination hydrophobic/hydrophilic filters/reservoirs for controlling fluid flow
US7467907B2 (en) 2003-08-19 2008-12-23 Sanford, L.P. Valve mechanisms for paint or ink brush with integrated reservoir
US20050202386A1 (en) * 2004-03-15 2005-09-15 Jehan Clements Flip-over storytelling book publishing system, method, and kit
JP4658259B2 (ja) * 2004-09-14 2011-03-23 パイロットインキ株式会社 直液式筆記具
JP4537864B2 (ja) * 2005-02-02 2010-09-08 パイロットインキ株式会社 直液式筆記具
JP4848068B2 (ja) * 2006-03-09 2011-12-28 パイロットインキ株式会社 直液式筆記具
JP4750591B2 (ja) * 2006-03-13 2011-08-17 パイロットインキ株式会社 直液式筆記具
JP4750590B2 (ja) * 2006-03-13 2011-08-17 パイロットインキ株式会社 直液式筆記具
JP5085952B2 (ja) * 2007-02-19 2012-11-28 パイロットインキ株式会社 直液式筆記具
JP5687529B2 (ja) * 2010-03-26 2015-03-18 株式会社サクラクレパス 塗布具
BR112014005288A2 (pt) 2011-09-09 2017-03-28 Croda Int Plc concentrado de formação de filme, spray de filtro solar contínuo, spray ou loção para o corpo, método para a produção de um spray de filtro solar contínuo, emulsão de óleo em água, e, emulsão de água em óleo
CN103465683B (zh) * 2013-09-03 2016-08-17 宁波五云笔业有限公司 一种自动平衡出墨的直液式书写工具
CN105882206B (zh) * 2016-04-21 2018-02-16 宁波五云笔业有限公司 耐温差和压差的书写工具
EP4112329A1 (fr) * 2021-06-30 2023-01-04 Société BIC Élément permettant de ralentir le séchage d'une mine dans un instrument d'écriture à encre libre

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DE19930540B4 (de) * 1999-06-28 2004-04-22 Sanford Gmbh Hand-Auftraggerät

Also Published As

Publication number Publication date
DE10084731T5 (de) 2004-05-27
DE10084731B9 (de) 2014-02-27
ATE348017T1 (de) 2007-01-15
DE19930540A1 (de) 2001-01-11
EP1065073A1 (fr) 2001-01-03
JP2001026193A (ja) 2001-01-30
DE50013847D1 (de) 2007-01-25
US6322269B1 (en) 2001-11-27
DE19930540B4 (de) 2004-04-22
DE10084731B4 (de) 2014-02-13
JP3778782B2 (ja) 2006-05-24

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