EP0854789A1 - Schreibgerät für tinte - Google Patents
Schreibgerät für tinteInfo
- Publication number
- EP0854789A1 EP0854789A1 EP96933411A EP96933411A EP0854789A1 EP 0854789 A1 EP0854789 A1 EP 0854789A1 EP 96933411 A EP96933411 A EP 96933411A EP 96933411 A EP96933411 A EP 96933411A EP 0854789 A1 EP0854789 A1 EP 0854789A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ink
- shaft
- wall
- writing
- region
- 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
- 241000446313 Lamella Species 0.000 claims description 33
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003475 lamination Methods 0.000 abstract 9
- 239000000976 ink Substances 0.000 description 73
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
- B43K7/10—Arrangements for feeding ink to the ball points
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/18—Arrangements for feeding the ink to the nibs
Definitions
- the invention relates to a writing instrument for ink according to the preamble of patent claim 1.
- Such a writing instrument is known from DE 3421417 AI.
- This document shows a fountain pen in which a lamella system for receiving or dispensing ink is arranged in the front region of the barrel.
- An ink supply groove connected to an ink supply runs in a longitudinally extending lamella carrier, from which transversely arranged and spaced-apart lamellae, also called lamella discs or lamella fins, extend.
- lamella discs also called lamella discs or lamella fins
- the lamella system prevents disturbances in the ink flow due to pressure or temperature fluctuations in the ink reservoir by absorbing excess ink and releasing it when necessary.
- Writing instruments with a similarly constructed lamella system are described in DE 34 29 031 AI and DE 90 06 540 Ul.
- the lamellae of a group of lamellae arranged transversely and mutually spaced, between which there is a capillary gap between the side of the lamella carrier which has the open side of the ink supply groove and the inner wall of the shaft extend in a first Area which is located in the area of the open side of the ink supply groove, in each case up to the inner wall of the shaft of the writing instrument.
- a second area which faces away from the first area and extends over at least 80% of the circumference of the slats, the slats of the group each keep a distance from the interior wall of the shaft, which is so large that capillary action is prevented.
- the writing instrument according to the invention has a lamella system which is very sensitive to pressure or temperature fluctuations in the storage container for the ink. This reliably relieves the pressure on the writing tip and prevents the formation of drops.
- the region of the shaft in which the lamella system is arranged is transparent or transparent.
- a further advantage of the lamellar system is visible: since the ink cannot adhere to the edges of the lamellas of the group in the second area because there is no capillary action, the lamellar system appears clean. Only a longitudinal strip on the inner wall of the shaft is wetted with ink, which is located in the vicinity of the open side of the ink feed groove, that is to say in the first area of the lamellae of the group. Since this strip is limited, it does not act as "dirt" and can even produce an attractive aesthetic effect.
- the distance preventing the capillary action is preferably at least 0.1 mm.
- the slats of the group do not depend on their shape for the function of the slat system second area; there they can be circular, elliptical, polygonal or irregular, for example. It is essential that in the second area the distance to the inner wall of the shaft is so large that the ink cannot crawl to the edge of the lamella under the action of capillary forces and can remain there permanently.
- the slats of the group each have a recess in the second area for ventilation purposes.
- the distance of the edge of the respective lamella to the inner wall of the shaft is greater than in the other zones of the second area, which ensures particularly reliable ventilation of the space between the lamellae of the group. Ventilation is essential for the function of the slat system.
- the writing tip can e.g. be designed as a pen.
- the ink supply groove communicates not only with the ink reservoir, but also with the pen.
- the ink arrives in a manner known per se from the storage container via the ink supply groove to the writing tip.
- the writing tip has a writing ball which is connected to the ink supply via a wick.
- the ink supply groove ends within the lamellar system and does not extend to the writing tip. The ink is removed via the wick, while the lamella system is independently connected to the ink reservoir in order to compensate for its pressure or temperature fluctuations.
- FIG. 1 shows a longitudinal section through the front area of a writing instrument according to the invention, in which the writing tip has a writing ball, and
- FIG. 2 shows a cross section through the writing instrument along the line II-II from FIG. 1.
- the embodiment of the writing instrument 1 according to the invention shown in FIGS. 1 and 2 is designed as an ink ballpoint pen.
- FIG. 1 shows the front area of a shaft 3, in which a lamella system 5 for receiving or dispensing ink is arranged.
- lamella systems are known in principle and absorb or release ink when there are fluctuations in pressure or temperature in the ink reservoir, thereby preventing droplet formation at the writing tip.
- the lamella system 5 is made in one piece and is connected in one piece to a tubular writing tip holder 6 which runs concentrically to the longitudinal axis L-L of the writing instrument 1 and emerges from the front end of the shaft 3.
- the writing tip holder 6 carries a writing tip 7 which has a rotatably mounted writing ball 8 at its front end.
- the writing tip 7 is supplied with ink via a wick 9.
- the wick 9 projects with its rear end into a storage container for ink, which is arranged in the rear region of the shaft 3, i.e. 1 to the right of the lamella system 5, and is not shown in the figures.
- the ink reservoir is not interchangeable.
- the writing instrument according to the invention can also e.g. be designed as a cartridge filler with a replaceable cartridge.
- the lamella system 5 has a lamella carrier 10 extending in the direction of the longitudinal axis LL of the writing instrument 1.
- the Lamellar carrier 10 is provided in its interior with a channel 12 for receiving the wick 9. There is no direct connection between the channel 12 and the outer space of the plate carrier 10.
- FIG. 2 shows a cross section of the lamellar carrier 10 (hatched) along the line II-II from FIG. 1.
- the lamellar carrier 10 has a round cross-sectional contour in the lower region 14, the radius being substantially smaller than that of the Shaft 3.
- the lamellar carrier 10 extends almost to the inner wall 22 of the shaft 3.
- the terms “above” and “below” refer here to the orientation of the lamellar carrier 10 shown in FIG. 2
- a capillary gap 20 which is also referred to as an overflow.
- the capillary gap 20 is provided on both sides of the ink supply groove 18.
- a capillary gap could also be formed only on one side of the ink supply groove 18 between the upper region 16 of the lamellar carrier 10 and the inner wall 22 of the shaft 3, while the upper region 16 on the opposite side of the ink supply groove 18 the inner wall 22 of the shaft 3 touches.
- the capillary gap 20 is so narrow that under the action of capillary forces, ink can pass from the ink supply groove 18 into the outer space of the lamellar carrier 10.
- Slats spaced apart from one another are attached to the slat carrier 10, the planes of which extend transversely to the longitudinal axis LL of the writing device 1.
- These lamellae can be arranged in several groups, the lamellae of one group having the same or largely the same cross-sectional contour.
- two groups of slats are provided, namely the slats 24 described in more detail below with the cross section shown in FIG. 2 (not hatched) and a further group 26, in which the edges of the slats are at a greater distance from the inner wall 22 of the shaft 3.
- chambers 28 are formed which are connected to one another via the ink supply groove 18 and also the outer regions of the lamellae 24, 26 and serve to receive ink.
- the slat system 5 is closed off by a wall 30 with air passage, at the rear by a wall 32, see FIG. 1. With the help of the walls 30 and 32, the slat system 5 is fastened in the shaft 3.
- the lamellas 24 are designed in the same way as is shown in FIG. 2 for the sake of clarity.
- a first region 34 which is located in the region of the open side of the ink supply groove 18, that is to say at the capillary gap 20
- the lamellae 24 each extend as far as the inner wall 22 of the shaft 3. That is, they touch the inner wall 22 of the shaft 3 directly or they are at a very short distance from it, which is even smaller than the width of the capillary gap 20.
- the second area 36 extends over at least 80% of the
- the circumference of the fins 24, in the exemplary embodiment over approximately 90% of the circumference. Is on both sides of the ink supply groove 18 the transition zone between the first region 34 and the second region 36 is relatively narrow, see FIG. 2.
- a capillary effect can generally be avoided if the lamellae 24 in the second region 36 each maintain a distance of at least 0.1 mm from the inner wall 22 of the shaft 3. However, this distance can also be larger.
- the cross-sectional contour of the slats 24 can also differ from the largely circular contour according to FIG. The essential point is that the distance to the inner wall 22 should be greater than the distance between two adjacent lamellae 24, so that the adhesion of ink to the inner wall is prevented by the greater capillary action between the lamellae in relation to the distance to the inner wall .
- the lamellae 24 each have a recess 38 in the second region 36, in the region of which the distance from the inner wall 22 of the shaft 3 is greater than otherwise in the second region 36.
- the recesses 38 of the lamellae 24 facilitate the ventilation of the chambers 28 between the slats 24. Further details of the ventilation device for the slat system 5 are not shown in FIGS. 1 and 2.
- the ventilation which is essential for the function of the lamella system 5, takes place in a manner known per se.
- the ink supply groove 18 is connected to the storage container for ink, but ends in the front area of the lamella system 5, ie it does not lead to the writing tip 7. If the writing tip is designed as a writing pen, on the other hand, a connection is provided between the ink supply groove and the nib so that the ink is guided from the ink supply container to the pen via the ink supply groove.
- the channel 12 is omitted in this case.
- the lamella system 5 serves as a compensation system in order to absorb or release ink in the ink supply container in the event of pressure or temperature fluctuations.
- the ink passes through the ink supply groove 18 via the respective capillary gap 20 into the chambers 28 between the lamellae 24. A larger amount of ink can be taken up between the lamellae of the further group 26; there the distance between the ink supply groove 18 and the inner wall 22 of the shaft 3 is so great that there is no capillary action.
- the lamella system 5 functions in a known manner, but is particularly powerful due to the design of the cross-sectional contour of the lamellae 24.
- the chambers 28 are filled and emptied via the respective capillary gap 20, a direct passage into the adjacent chambers being prevented by the design of the lamellae 24 adjacent to the respective capillary gap 20 in the first region 34.
- the balancing effect of the slat system 5 is therefore sensitive.
- An undesirable capillary action on the fins 24 is avoided in the second region 36.
- the lamella system 5 can therefore be practically completely emptied, and there is no undesirable drop formation on the writing tip 7.
- the area of the shaft 3 in which the lamella system 5 is arranged is transparent or translucent, a further advantage of the design of the lamellae 24 becomes apparent.
- ink can only remain on the lamellae 24 in the respective first area 34, which is from the outside is visible as a longitudinal stripe.
- the lamella system 5 appears clear in the other zones. The impression of pollution does not arise.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pens And Brushes (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
- Sheet Holders (AREA)
- Surgical Instruments (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19538501A DE19538501C1 (de) | 1995-10-02 | 1995-10-02 | Schreibgerät für Tinte |
DE19538501 | 1995-10-02 | ||
PCT/EP1996/004223 WO1997012765A1 (de) | 1995-10-02 | 1996-09-27 | Schreibgerät für tinte |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0854789A1 true EP0854789A1 (de) | 1998-07-29 |
EP0854789B1 EP0854789B1 (de) | 1999-06-16 |
Family
ID=7774990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96933411A Expired - Lifetime EP0854789B1 (de) | 1995-10-02 | 1996-09-27 | Schreibgerät für tinte |
Country Status (9)
Country | Link |
---|---|
US (1) | US5938362A (de) |
EP (1) | EP0854789B1 (de) |
JP (1) | JPH11512668A (de) |
KR (1) | KR100221121B1 (de) |
AT (1) | ATE181286T1 (de) |
DE (2) | DE19538501C1 (de) |
ES (1) | ES2132959T3 (de) |
TW (1) | TW314838U (de) |
WO (1) | WO1997012765A1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
WO2001043986A1 (fr) * | 1999-12-16 | 2001-06-21 | Mitsubishi Pencil Kabushiki Kaisha | Instrument d'ecriture a collecteur |
US6390711B1 (en) | 2000-11-13 | 2002-05-21 | Chartpak, Inc. | Liquid ink writing pen |
US6425702B1 (en) | 2000-11-14 | 2002-07-30 | Chartpak, Inc. | Multi-color pen system |
US6464420B2 (en) | 2001-03-29 | 2002-10-15 | Chartpak, Inc. | Liquid ink writing pen with visible tip |
US6457892B1 (en) | 2001-04-20 | 2002-10-01 | Avery Dennison Corporation | Writing instrument having a capillary hole through the container |
US6637965B1 (en) | 2001-06-22 | 2003-10-28 | Avery Dennison Corporation | Writing instrument having a reservoir between a tip and a capillary storage |
TWI239903B (en) | 2002-11-21 | 2005-09-21 | Kotobuki & Co Ltd | Liquid container |
US7397384B1 (en) | 2005-02-11 | 2008-07-08 | Genlyte Thomas Group, Llc | Track lighting system current limiting device |
JP4909623B2 (ja) | 2006-04-21 | 2012-04-04 | 株式会社壽 | 液体供給具 |
US7507005B1 (en) | 2007-01-30 | 2009-03-24 | Genlyte Thomas Group Llc | Sliding flexible track lighting |
US7520763B1 (en) | 2007-06-29 | 2009-04-21 | Genlyte Thomas Group Llc | Track lighting system with dependent lamp cord |
US7758358B1 (en) | 2008-05-05 | 2010-07-20 | Koninklijke Philips Electronics N.V. | Track lighting assembly |
US8498098B2 (en) | 2010-12-22 | 2013-07-30 | Koninklijke Philips N.V. | System for removably retaining a voltage converting device |
JP6309813B2 (ja) * | 2013-05-21 | 2018-04-11 | 三菱鉛筆株式会社 | コレクター式塗布具 |
TWI645987B (zh) | 2017-09-18 | 2019-01-01 | 順德工業股份有限公司 | 書寫工具 |
CN111055610B (zh) * | 2019-12-30 | 2021-09-24 | 上海思勤文具制造有限公司 | 水性笔 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2512004A (en) * | 1945-03-05 | 1950-06-20 | Russell T Wing | Fountain pen |
DE3311364A1 (de) * | 1983-03-29 | 1985-01-17 | Walter Ing. Anweiler (grad.), 6907 Nußloch | Tintenleiter fuer fuellfederhalter |
DE8309278U1 (de) * | 1983-03-29 | 1991-01-24 | Anweiler, Walter, Ing.(grad.), 6907 Nußloch | Tintenleiter für Füllfederhalter |
DE3338227C2 (de) * | 1983-10-21 | 1985-11-28 | Mutschler, Otto, 6900 Heidelberg | Tintenleiter für Schreibgeräte |
DE3421417A1 (de) * | 1984-06-08 | 1985-12-12 | Walter Ing.(grad.) 6907 Nußloch Anweiler | Tintenleiter fuer fuellfederhalter |
DE3429031A1 (de) * | 1984-08-07 | 1986-02-20 | Walter Ing.(grad.) 6907 Nußloch Anweiler | Fuellfederhalter |
JPS6145191U (ja) * | 1984-08-29 | 1986-03-25 | パイロツトインキ株式会社 | 筆記具 |
DE9006540U1 (de) * | 1990-06-09 | 1990-08-16 | Mutschler, Otto, 6900 Heidelberg | Schreibeinheit für einen Patronenfüllhalter |
DE4024382C1 (de) * | 1990-08-01 | 1992-08-27 | Pelikan Ag, 3000 Hannover, De | |
US5551789A (en) * | 1993-10-13 | 1996-09-03 | Kawakami Giken Co Ltd | Cosmetic material container |
-
1995
- 1995-10-02 DE DE19538501A patent/DE19538501C1/de not_active Expired - Fee Related
-
1996
- 1996-09-26 TW TW085214884U patent/TW314838U/zh unknown
- 1996-09-27 JP JP9513953A patent/JPH11512668A/ja active Pending
- 1996-09-27 KR KR1019970705148A patent/KR100221121B1/ko not_active IP Right Cessation
- 1996-09-27 EP EP96933411A patent/EP0854789B1/de not_active Expired - Lifetime
- 1996-09-27 WO PCT/EP1996/004223 patent/WO1997012765A1/de active IP Right Grant
- 1996-09-27 ES ES96933411T patent/ES2132959T3/es not_active Expired - Lifetime
- 1996-09-27 DE DE59602265T patent/DE59602265D1/de not_active Expired - Fee Related
- 1996-09-27 US US09/029,759 patent/US5938362A/en not_active Expired - Lifetime
- 1996-09-27 AT AT96933411T patent/ATE181286T1/de active
Non-Patent Citations (1)
Title |
---|
See references of WO9712765A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1997012765A1 (de) | 1997-04-10 |
KR19980701752A (ko) | 1998-06-25 |
ES2132959T3 (es) | 1999-08-16 |
EP0854789B1 (de) | 1999-06-16 |
TW314838U (en) | 1997-09-01 |
ATE181286T1 (de) | 1999-07-15 |
JPH11512668A (ja) | 1999-11-02 |
DE59602265D1 (de) | 1999-07-22 |
DE19538501C1 (de) | 1997-03-06 |
KR100221121B1 (ko) | 1999-09-15 |
US5938362A (en) | 1999-08-17 |
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