EP0149216A2 - Dispositif pour écrire - Google Patents
Dispositif pour écrire Download PDFInfo
- Publication number
- EP0149216A2 EP0149216A2 EP84116112A EP84116112A EP0149216A2 EP 0149216 A2 EP0149216 A2 EP 0149216A2 EP 84116112 A EP84116112 A EP 84116112A EP 84116112 A EP84116112 A EP 84116112A EP 0149216 A2 EP0149216 A2 EP 0149216A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- writing
- housing
- storage tank
- tank
- needle
- 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
Images
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
-
- 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
- B43K5/02—Ink reservoirs
- B43K5/14—Exchangeable ink cartridges
- B43K5/145—Exchangeable ink cartridges with valves
-
- 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
- B43K5/1818—Mechanical feeding means, e.g. valves; Pumps
- B43K5/1827—Valves
- B43K5/1836—Valves automatically closing
- B43K5/1845—Valves automatically closing opened by actuation of the writing point
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
- B43K7/02—Ink reservoirs; Ink cartridges
- B43K7/03—Ink reservoirs; Ink cartridges pressurised, e.g. by gas
Definitions
- the invention relates to a writing device with a storage tank for ink or another writing fluid, and a housing open to the tank, with a writing tube arranged on the housing, with a needle axially displaceable in the writing tube and with a needle attached to the housing, displaceable inside the housing Drop weight.
- Such writing devices are hand or machine-operated and are filled with pigment-containing, more or less viscous inks or the like. In such writing devices, it is required that at any writing speed so much writing fluid flows out reliably that the writing is uniformly opaque and clean, and that there are no thickened characters or interruptions in the flow of the ink.
- a major disadvantage of these recorders lies in their expenditure on equipment: a piston is arranged in the storage tank between the propellant gas and the writing liquid, which tends to become stiff and thus frequently impairs sensitive pressure on the liquid. Rapid pressure changes and thus high writing speeds and string frequencies are often hampered by the compressibility of the gas. The necessary hose connections between the solenoid valve and the writing fluid storage tank make handling the device more difficult and only make it practical for machine-operated typists.
- the object is achieved in that a propellant gas which is under its own vapor pressure and acts directly on the writing liquid is contained in the storage tank, and the front end of the writing tube lying inside the housing is designed as a valve seat on which a trained at the opposite end of the drop weight Valve body can be placed sealingly.
- the writing device shown in the drawing consists of a storage tank 1, on one end of which the actual writing instrument in the form of a housing 2 is screwed by means of a threaded connection 3.
- the tank 1, which is hermetically sealed on all sides, contains a supply of ink or another writing pen liquid 4 and a propellant gas 5, which is introduced in the form of a so-called “liquid gas” in a small amount together with the writing liquid 4 in the tank.
- a halogen hydrocarbon such as "Frigen” or the like is suitable as the propellant.
- the propellant gas 5 is constantly contained in the storage tank 1 and is under its own vapor pressure, which is preferably between about 1 and 5 bar, in particular 1 and 3 bar, at room temperature.
- a writing fluid could also be used which develops a vapor pressure of the order of magnitude mentioned at room temperature and is constantly under the effect of this pressure in the storage tank.
- a writing tube 6 is fixedly inserted into the free end of the housing 2 in a manner known per se, in whose axial bore a needle 7 of smaller diameter than the diameter of the bore is freely displaceable.
- the needle 7 projects approximately 0.2 mm beyond the free end of the writing tube 6.
- the needle 7 is also firmly connected in a known manner to a falling weight 8 which is freely displaceable in the housing 2.
- the drop weight 8 moves back and forth with the needle 7 attached to it, so that dried-on ink at the tip of the writing tube 6 can be released.
- the drop weight 8 is in the embodiment shown under the action of a compression spring 9, the drop weight 7 towards the writing tube 6 preloaded.
- this compression spring is not absolutely necessary for the operation of the writing device.
- the housing 2 has an annular gap-shaped opening 12 between the housing wall and the security plug 11, which is directed towards the storage tank 1.
- the opening 12 continues through recesses 13 of the locking plug 11 into a number of capillary gaps 14 between the wall 15 of the housing 2 and the outside of the drop weight needle 7 up to the central bore of the writing tube 6, where the writing fluid between the inner wall of the writing tube and the needle 7, supported by capillary action until it flows to the nib 16 to exit.
- the storage tank 1 contains at its end connected to the housing 2 a closure valve in the form of a sealing ball 17 made of rubber or another elastomeric material.
- a closure valve in the form of a sealing ball 17 made of rubber or another elastomeric material.
- the sealing ball 17 in order to fulfill its locking function on the tank 1, snaps into a locking groove 18 formed on the tank.
- the sealing ball becomes 17 pressed out of the locking groove by the locking plug 11, which is firmly seated in the housing 2, so that it is in the position shown in FIG. 1 occupies in which the Eift inlet opening 12 of the housing 2 is in communication with an outlet opening 19 of the tank 1.
- the writing liquid 4 can pass from the storage tank 1 into the housing 2 and from there reach the writing tip 16 in the manner already described.
- the front end of the writing tube 6 lying inside the housing 2 has the shape of a roof-like beveled annular cutting edge 21 which serves as a valve seat.
- a sealing element 22 as the valve body, the g kun when not in use the writing device of the WIR of the propellant gas pressure and the pressure spring 9 is sealingly pressed against the annular cutting edge 21st If, when using the writing device, the writing tip 16 of the writing tube 6 is placed on the drawing paper, the needle 7, which protrudes slightly from the writing tip 16, is shifted inwards, so that the sealing element 22 inevitably lifts off from the ring cutting edge 21 and the outflow of the writing liquid from the Writing tube 6 is ensured.
- the valve consisting of the parts 21, 22 ensures that the writing liquid under the pressure of the propellant gas is reliably prevented from flowing out.
- the valve opened easily.
- the valve closes immediately under the action of the propellant gas pressure and the compression spring 9.
- the drop weight 8 is guided on the inner surface of the housing 2 provided with the capillary gaps 14 (FIG. 3).
- a capillary sponge 23 for example in the form of a foamed plastic, is arranged in front of the outlet opening 19.
- the sponge 23 constantly soaks up writing liquid and ensures that this liquid passes into the outlet opening 19 under the action of the propellant gas 5, so that even the last remnants of the writing liquid can be used.
- the writing device shown and described is not only suitable for use in an almost vertical position, in which the space filled with propellant gas 5 is located on the left side of the storage tank 1 in FIG. 1.
- the writing device can, in particular, as shown in FIG. 1, be used largely horizontally on steeply standing drawing boards or the like, in which case the space filled with propellant gas has the position shown in FIG. 1.
- the capillary sponge 23, which is always filled with color liquid, proves to be favorable with respect to the The writing fluid 4 passes under the action of the propellant gas 5 from the storage tank 1 into the housing 2 and the writing tube 6.
- the capillary sponge 23 is held firmly by a fastening disk 25, which is provided with openings 24 and bears against the inner wall of the storage tank 1 with low tension.
- the writing fluid can enter the capillary sponge 23 via the openings 24.
- the sealing ball 17 between the Sicherun g sstopfen 1 and the annular Kapillarschwamm 23 held.
- the sealing ball 17 could also be pushed freely into the tank interior when the housing 2 is joined to the tank 1, where it then floats freely on the surface of the writing fluid supply.
- the writing device described so far essentially consists of the cartridge-like storage tank 1 and the housing 2. After the writing liquid in the tank 1 has been used up, the empty tank is unscrewed and replaced with a new, full tank. In another embodiment, the tank 1 is permanently and permanently connected to the housing 2. After the writing fluid has been used up, the entire unit is thrown away. In this case, the sealing ball 17 is omitted.
- the storage tank 1 is, as can also be seen from Fig. 1, with a e.g. welded lid 26 closed.
- the cover 26 is applied after the writing liquid 4 and the (liquid) propellant gas 5 have been introduced.
- the end of the storage tank 1 which has not yet been closed by the cover 26 also enables the insertion of the sealing ball 17, the capillary sponge 23 and the fastening disk 25.
- An O-ring 27 serves to seal between the storage tank 1 and the housing 2.
- the diameter of the ring cutter 21 is particularly important to make the diameter of the ring cutter 21 as small as possible, for example about 0.4 mm, so that the force required to close and open the valve is also low. Since the writing tube 6 has a small diameter from the start, it is therefore advantageous to design the valve in the form of the aforementioned ring cutting edge 21 directly at the end of the writing tube 6 in the housing 2 and as the valve body the free front end provided with the sealing element 22 to take advantage of the falling weight 8.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pens And Brushes (AREA)
- Facsimile Heads (AREA)
- Holo Graphy (AREA)
- Noodles (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84116112T ATE34341T1 (de) | 1983-12-31 | 1984-12-21 | Schreibvorrichtung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3347708 | 1983-12-31 | ||
DE19833347708 DE3347708A1 (de) | 1983-12-31 | 1983-12-31 | Schreibvorrichtung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0149216A2 true EP0149216A2 (fr) | 1985-07-24 |
EP0149216A3 EP0149216A3 (en) | 1985-08-21 |
EP0149216B1 EP0149216B1 (fr) | 1988-05-18 |
Family
ID=6218547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84116112A Expired EP0149216B1 (fr) | 1983-12-31 | 1984-12-21 | Dispositif pour écrire |
Country Status (5)
Country | Link |
---|---|
US (1) | US4605331A (fr) |
EP (1) | EP0149216B1 (fr) |
JP (1) | JPS60159097A (fr) |
AT (1) | ATE34341T1 (fr) |
DE (1) | DE3347708A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61152484U (fr) * | 1985-03-14 | 1986-09-20 | ||
US5073058A (en) * | 1989-05-17 | 1991-12-17 | Kabushiki Kaisha Sakura Kurepasu | Implement for applying liquid |
DE4013011C1 (en) * | 1990-04-24 | 1991-03-14 | Rotring-Werke Riepe Kg, 2000 Hamburg, De | Tubular pen used as writing implement - has buffer chamber between front end of bore and rear end of tube which is checked for ink level by regulator |
JP2579661Y2 (ja) * | 1991-11-28 | 1998-08-27 | ぺんてる株式会社 | 小管式筆記具 |
CN104129199A (zh) * | 2014-07-23 | 2014-11-05 | 中国人民武装警察部队工程大学 | 针管笔插腿 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR517883A (fr) * | 1918-10-25 | 1921-05-14 | Hermann Burkhardt | Stylographe à réservoir |
DE689598C (de) * | 1937-03-03 | 1940-03-28 | Montblanc Simplo Gmbh | Fuellfederhalter mit an einem Fallgewicht befestigtem und durch ein Schreibrohr hindurchgefuehrtem Schreibdraht |
US2783488A (en) * | 1956-02-27 | 1957-03-05 | Harry W Jockers | Marking pens |
US3561881A (en) * | 1969-05-07 | 1971-02-09 | Edward Bok | Stylographic pen with the capillary passage cleaning means operable by hand or by shaking or contact |
US3706099A (en) * | 1970-12-14 | 1972-12-12 | Varian Associates | Graphic recorder employing a reservoir lettering pen type stylus |
US3788753A (en) * | 1973-03-19 | 1974-01-29 | S Stewart | Elongated liquid marker |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US238024A (en) * | 1881-02-22 | Feancis | ||
US263389A (en) * | 1882-08-29 | Edmund coffin | ||
US948832A (en) * | 1909-06-01 | 1910-02-08 | Leon Trotzky | Stylographic pen. |
US1033520A (en) * | 1912-04-06 | 1912-07-23 | Antoni Bator | Envelop-moistening device. |
US1166896A (en) * | 1915-09-02 | 1916-01-04 | Christopher A Garvey | Fountain-brush. |
US2029152A (en) * | 1934-09-22 | 1936-01-28 | Teofil L Bonkowski | Ink eradicating device |
CH288459A (fr) * | 1951-01-18 | 1953-01-31 | Gogniat Bono Georgette | Stylographe. |
US3003182A (en) * | 1959-08-13 | 1961-10-10 | Speedry Chemical Products Inc | Fountain pens |
US3233275A (en) * | 1963-09-18 | 1966-02-08 | Sheaffer W A Pen Co | Writing implement |
US3228057A (en) * | 1964-03-09 | 1966-01-11 | Walter B Sprague | Combination applicator brush and dispenser |
US3425779A (en) * | 1966-09-01 | 1969-02-04 | Paul C Fisher | Pressurized marking instrument |
DE1561866A1 (de) * | 1967-03-25 | 1970-04-02 | Pelikan Werke Wagner Guenther | Patronenfuellhalter |
NL7008747A (fr) * | 1970-06-15 | 1971-12-17 | ||
JPS4960831U (fr) * | 1972-09-11 | 1974-05-28 | ||
JPS565676U (fr) * | 1979-06-28 | 1981-01-19 | ||
DE3041277C2 (de) * | 1980-11-03 | 1983-03-31 | Fa. J.S. Staedtler, 8500 Nürnberg | Schreibmitteleinheit für automatische Schreib- oder Zeichenmaschinen |
-
1983
- 1983-12-31 DE DE19833347708 patent/DE3347708A1/de not_active Withdrawn
-
1984
- 1984-12-21 AT AT84116112T patent/ATE34341T1/de not_active IP Right Cessation
- 1984-12-21 EP EP84116112A patent/EP0149216B1/fr not_active Expired
- 1984-12-21 JP JP59268717A patent/JPS60159097A/ja active Granted
- 1984-12-26 US US06/686,322 patent/US4605331A/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR517883A (fr) * | 1918-10-25 | 1921-05-14 | Hermann Burkhardt | Stylographe à réservoir |
DE689598C (de) * | 1937-03-03 | 1940-03-28 | Montblanc Simplo Gmbh | Fuellfederhalter mit an einem Fallgewicht befestigtem und durch ein Schreibrohr hindurchgefuehrtem Schreibdraht |
US2783488A (en) * | 1956-02-27 | 1957-03-05 | Harry W Jockers | Marking pens |
US3561881A (en) * | 1969-05-07 | 1971-02-09 | Edward Bok | Stylographic pen with the capillary passage cleaning means operable by hand or by shaking or contact |
US3706099A (en) * | 1970-12-14 | 1972-12-12 | Varian Associates | Graphic recorder employing a reservoir lettering pen type stylus |
US3788753A (en) * | 1973-03-19 | 1974-01-29 | S Stewart | Elongated liquid marker |
Non-Patent Citations (1)
Title |
---|
Taschenbuch für Heizung und Klimatechnik 86/87, Hönmann und Sprenger, Seite 149, 150, 1471 * |
Also Published As
Publication number | Publication date |
---|---|
ATE34341T1 (de) | 1988-06-15 |
JPS60159097A (ja) | 1985-08-20 |
EP0149216B1 (fr) | 1988-05-18 |
US4605331A (en) | 1986-08-12 |
JPH0351240B2 (fr) | 1991-08-06 |
DE3347708A1 (de) | 1985-07-11 |
EP0149216A3 (en) | 1985-08-21 |
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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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D17Q | First examination report despatched (deleted) | ||
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