EP0222844A1 - Schreibgerät. - Google Patents
Schreibgerät.Info
- Publication number
- EP0222844A1 EP0222844A1 EP86903205A EP86903205A EP0222844A1 EP 0222844 A1 EP0222844 A1 EP 0222844A1 EP 86903205 A EP86903205 A EP 86903205A EP 86903205 A EP86903205 A EP 86903205A EP 0222844 A1 EP0222844 A1 EP 0222844A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- writing
- ink
- tube
- implement according
- ring
- 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
Links
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
- B43K8/16—Pens with writing-points other than nibs or balls with tubular writing-points comprising a movable cleaning element
Definitions
- the subject of the application is a writing instrument of the type mentioned in the preamble of the main claim.
- liquid ink is placed on the writing pad in this device via a tube.
- a wire or wick-shaped writing element is arranged in the tube and forms ink supply channels with the inner wall of the tube.
- This writing wick protrudes from the outside of the tube and forms the tip of the writing. It is axially displaceable in the tube against the action of a spring element.
- the spring element ensures that the writing tip remains in contact with the writing pad in every writing position.
- the axial movement of the writing wick that occurs automatically during writing removes impurities from the writing tube.
- the pumping effect that occurs when the writing tip is attached supports this effect.
- this spring element consists of an ink-permeable foam plastic cushion or the like.
- This foam plastic pillow has two disadvantages.
- the restoring force of the pillow decreases over the course of use, which can impair the functionality of the writing instrument.
- a foam plastic cushion with the density required for elasticity has only limited ink permeability.
- non-pigmented inks In order to achieve a better open storage capacity with writing instruments of this type than with known tube writing instruments, non-pigmented inks must be used instead of the pigmented inks. The latter are known to have a much higher opacity than non-pigmented inks. In order to achieve a comparable blackening and opacity of the lines created with the inks, more intensive ink delivery is required. However, this is not guaranteed in the writing instrument resulting from DE-OS 30 23 189, in particular due to the foam plastic cushion.
- the present invention is based on the object of improving the ink flow in such writing instruments, in particular to achieve a higher volume of ink output based on the writing path.
- This object is generally achieved by improving the ink flow in the area of the inner end of the writing element.
- FIG. 1 shows an axial section of a writing device designed according to the invention in the area of the writing tip with the indicated closure cap according to a first exemplary embodiment
- the ink storage located in the rear part of the housing 10, from which the liquid ink is transported by means of the ink guide 11 into the front area of the writing tip due to the capillary action of the ink guide.
- the writing wick 30 is preferably made of thermoplastic Material and has axially extending capillary channels 33 in its outer surface, as the section according to FIG. 3 illustrates.
- the writing wick 30 is thickened to a spherical head 31.
- a spring element is inserted into the sleeve 20, which consists of a ring 40 with a return spring 41 projecting into the ring interior.
- This return spring is designed and arranged, as can be seen from the section according to FIG. 5, that unhindered ink escaping can reach the wick 30.
- axially extending capillary channels 42 and 43 are also arranged on the outer and inner lateral surface of the ring 40. These guide the ink emerging from the ink conductor 11 to radially extending collecting channels 23 which are injected into the sleeve 20 (cf. FIG. 4).
- the return spring 41 ensures that the longitudinally movable writing wick 30 is pressed against the writing pad, so that the contact with the writing pad is in every writing position. is maintained.
- insertion and removal "of the Schreib ⁇ tip of the writing wick 30 against the action of the return spring 41 is moved axially, whereby on the one hand, are removed by mechanical action and on the other hand, by effectively Pump ⁇ impurities from the Schreibr ⁇ hrchen 32nd
- the return spring 41 also brings about a soft support of the writing tip on the writing pad, which leads to a pleasant feeling when drawing and writing.
- the writing tube is provided with a hard material zBTitan nitride coating "32, which also ensures an absolute ⁇ briebfesttechnik and KorrisionsDisp at all temperatures.
- the inner lateral surface of the sleeve 20 is provided with preferably injected, axially extending capillary channels 22 (cf. FIG. 6). This ensures that the ink is guided not only over the end face 11a of the ink guide, but also to a not inconsiderable extent over the outer face 11b of the ink guide.
- the ink supplied via the capillary channels 22 reaches the annular capillary gap 24 via the radial channels 23.
- An air duct 21 provided in the sleeve 20 connects the outside air to the annular air space 13 surrounding the ink conductor, which in turn is connected to the ink reservoir (not shown), by means of which the latter is vented when ink is dispensed.
- writing implements designed according to the invention can be stored for much longer than conventional inking implements working with pigmented ink. Storage capacities of more than one year can be achieved if, as indicated with FIG. 1, the writing tip is covered with a closure cap 50.
- a sealing ring 51 resting on the outer surface of the sleeve 20 ensures that the space in the region of the front end of the writing tip is sealed and has only a small volume.
- a writing wire 30 ' is recommended instead of the writing wick 30 made of plastic, as is illustrated with FIG. 2.
- a ball head 31 * preferably made of plastic, is injection molded onto its inner end, against which the return spring 41 bears. Otherwise, the functioning of this writing instrument corresponds to that of the writing instrument according to Fig. 1
- the capillary system designed according to the invention ensures that the writing medium is fed to the writing tip evenly and in sufficient quantity without delay.
- the writing instrument is designed so that due to its. einfa.ciej ⁇ , -_ f.ert Trentsstieri.ten construction cost-effective production is possible.
- the writing instrument essentially consists only of the housing 10, the socket 19, the sleeve 20 with the writing tube 32 and the writing wick 30, the spring element with the ring 40 and return spring 41, the ink conductor 11 and the ink reservoir (not shown). All parts are designed so that they can be manufactured and assembled using simple tools.
Landscapes
- Pens And Brushes (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8513683U DE8513683U1 (de) | 1985-05-09 | 1985-05-09 | Schreibgerät |
DE3516646 | 1985-05-09 | ||
DE3516646 | 1985-05-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0222844A1 true EP0222844A1 (de) | 1987-05-27 |
EP0222844B1 EP0222844B1 (de) | 1989-04-26 |
Family
ID=25832086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86903205A Expired EP0222844B1 (de) | 1985-05-09 | 1986-05-09 | Schreibgerät |
Country Status (5)
Country | Link |
---|---|
US (1) | US4776718A (de) |
EP (1) | EP0222844B1 (de) |
JP (1) | JPS63500090A (de) |
DE (1) | DE8513683U1 (de) |
WO (1) | WO1986006686A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2663589A1 (fr) * | 1990-06-20 | 1991-12-27 | Graphoplex Sa | Dispositif traceur pour stylographe a pointe tubulaire. |
EP0622035B1 (de) * | 1993-04-30 | 1999-03-03 | Henlopen Manufacturing Co., Inc. | Vorrichtung zum Auftragen von flüssigen Kosmetikprodukten |
JP3796287B2 (ja) * | 1996-02-15 | 2006-07-12 | ゼブラ株式会社 | 筆記具 |
CN1328507A (zh) * | 1998-11-27 | 2001-12-26 | 株式会社黑库斯 | 笔记文具及其制造方法 |
US8485749B2 (en) | 2009-07-20 | 2013-07-16 | Crayola Llc | Ink delivery systems |
WO2020231852A1 (en) * | 2019-05-10 | 2020-11-19 | Henkel IP & Holding GmbH | Applicator for hazardous materials |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2029152A (en) * | 1934-09-22 | 1936-01-28 | Teofil L Bonkowski | Ink eradicating device |
US3113336A (en) * | 1962-01-03 | 1963-12-10 | Langnickel Arvid | Ink marker |
US3221360A (en) * | 1963-03-11 | 1965-12-07 | Blaisdell Pencil Company | Marking device construction |
US3680968A (en) * | 1970-02-24 | 1972-08-01 | Gilbert Schwartzman | Method of correcting typewritten impressions |
NL7108297A (de) * | 1971-06-16 | 1972-12-19 | ||
US3832071A (en) * | 1973-03-21 | 1974-08-27 | P Chaney | Dispenser for error correcting fluids |
DE2605873C2 (de) * | 1976-02-13 | 1982-02-25 | Standardgraph Filler & Fiebig Gmbh, 8192 Geretsried | Verfahren zur Erhöhung der Abriebfestigkeit von Schreibröhrchen |
US4145148A (en) * | 1976-10-01 | 1979-03-20 | Sakura Color Products Corporation | Ball-point pen for a low-viscosity ink |
US4364684A (en) * | 1979-06-21 | 1982-12-21 | Pentel Kabushiki Kaisha | Writing instrument |
JPS644541Y2 (de) * | 1980-10-17 | 1989-02-06 | ||
JPS6011398A (ja) * | 1983-06-30 | 1985-01-21 | ぺんてる株式会社 | 筆記具のペン先 |
-
1985
- 1985-05-09 DE DE8513683U patent/DE8513683U1/de not_active Expired
-
1986
- 1986-05-09 US US07/025,147 patent/US4776718A/en not_active Expired - Fee Related
- 1986-05-09 EP EP86903205A patent/EP0222844B1/de not_active Expired
- 1986-05-09 JP JP61502766A patent/JPS63500090A/ja active Pending
- 1986-05-09 WO PCT/DE1986/000193 patent/WO1986006686A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO8606686A1 * |
Also Published As
Publication number | Publication date |
---|---|
US4776718A (en) | 1988-10-11 |
EP0222844B1 (de) | 1989-04-26 |
DE8513683U1 (de) | 1986-09-04 |
JPS63500090A (ja) | 1988-01-14 |
WO1986006686A1 (en) | 1986-11-20 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
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