EP0065430B1 - Dispositif d'écriture pour stylographe à plume - Google Patents

Dispositif d'écriture pour stylographe à plume Download PDF

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Publication number
EP0065430B1
EP0065430B1 EP82400644A EP82400644A EP0065430B1 EP 0065430 B1 EP0065430 B1 EP 0065430B1 EP 82400644 A EP82400644 A EP 82400644A EP 82400644 A EP82400644 A EP 82400644A EP 0065430 B1 EP0065430 B1 EP 0065430B1
Authority
EP
European Patent Office
Prior art keywords
nib
slit
lips
ink
pen
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
Application number
EP82400644A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0065430A1 (fr
Inventor
Jean Malamoud
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.)
ST Dupont SA
Original Assignee
ST Dupont SA
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 ST Dupont SA filed Critical ST Dupont SA
Priority to AT82400644T priority Critical patent/ATE12371T1/de
Publication of EP0065430A1 publication Critical patent/EP0065430A1/fr
Application granted granted Critical
Publication of EP0065430B1 publication Critical patent/EP0065430B1/fr
Expired 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
    • B43K1/00—Nibs; Writing-points
    • B43K1/02—Split nibs

Definitions

  • the present invention relates to a writing device for a pen stylus.
  • the writing feathers having at their end two beaks separated by a slit.
  • This slot has a double function, on the one hand, to give the pen the flexibility desired, on the other hand, to ensure the supply in still of the writing tip.
  • the pen is applied against a power supply unit comprising several channels connected to the ink tank and arranged opposite the pen slot (FR-A-983 957).
  • This slot is generally formed by cutting the pen, using, for example, a grinding wheel or any other instrument of this type, then the beaks of the writing tip are brought into contact with one of the other.
  • the grinding wheels used in this technique are particularly fine, it is not possible, for mechanical reasons, to lower the thickness of the grinding wheels below a certain threshold, corresponding to a width of slot minimum.
  • the object of the present invention is to propose a writing device for a pen stylographer in which the pen itself comprises a slot of usual dimensions, which can thus be produced by known techniques, but which is equipped with a simple and inexpensive to implement, in order to limit soiling by spraying ink when the stylograph is subjected to an impact or a sudden impulse.
  • the subject of the invention is a writing device for a stylographer comprising an ink supply unit and a pen with two nozzles, these two nozzles being separated by a slot, the ink supply of the pen being provided by at least one channel of the power supply unit in communication with an ink tank, on the one hand, and with said slot, on the other hand, the internal and / or external faces of the two nibs of the pen comprise, over a part of their length, a film of a material compatible with the ink and capable of being wetted by it, this device being characterized in that the films form two lips, these lips extending under and / or on the slot and being contiguous in the pen rest position. In FR-A-983 957 there are no lips, contiguous in the rest position.
  • Said films can be placed both on the outer face of the pen and on its inner face, between the latter and the feed channel.
  • the lips will extend to the writing tip of the pen.
  • They may be made of any material compatible with the ink and suitable for being wetted by it, possibly after a surface treatment.
  • liquid varnishes which one coats the beaks of the feather and which adhere to them while drying. Mention will in particular be made of varnishes based on cellulose acetate or acetobutyrate.
  • plastics in particular of the type of A B S (acrylonitrilebutadiene-styrene copolymers) or polytetrafluoroethylene, which is optionally treated at the surface in order to increase their wettability.
  • the thickness of the film covering the beaks of the feather is not critical. It is generally of the order of a few hundredths to a few tenths of a millimeter.
  • the film can be deposited on each of the beaks in continuous form by completely covering the slit of the feather, the film obtained being then cut in line with the slit, either by a tear, following a simple separation of the beaks of the feather, or using means known in the art such as laser beam, etc. so as to form two lips, contiguous in the rest position.
  • a manufacturing process also falls within the scope of the present invention.
  • the feathers forming part of the writing device described above constitute another object of the invention.
  • the writing device shown in FIGS. 1 to 4 comprises, in itself, a pen 1 supported by an ink supply unit 2, comprising a supply channel 3, which communicates with an ink tank (not shown) and whose free surface is turned towards the internal face of the pen 1.
  • the pen 1 comprises two beaks 4a, 4b, separated by a slot 5 and ending with a writing tip 6a, 6b.
  • the two points 6a, 6b are substantially in contact with one another, and can deviate, when the pen is supported on the paper in the writing position (FIG. 3, on which the spacing of the points has however been exaggerated for greater clarity).
  • the stylographer equipped with this writing device receives a shock, the pen 1 vibrates and repeatedly strikes the ink contained in the channel 3, and projects it through the slot 5 with the effect of dirtying the outer side of the feather.
  • the tips 4a and 4b of the pen are coated, on one of their faces - their internal face, in the case of FIGS. 1 to 5 - with a film forming two lips, respectively 7a, 7b, of a material compatible with the ink, that is to say chemically inert with respect to it, and wettable by the latter.
  • These films extend over at least part of the length of the spouts and are in mutual contact over this entire length, thus covering the slot 5, as seen for example in FIGS. 2 and 4.
  • the lips 7a and 7b which cover the slit 5 in the rest position prevent ink splashes through that, without opposing the ink supply to the pen, and more particularly , writing tips 6a, 6b.
  • the lips 7a, 7b can favor the ink supply, when the points 6a and 6b are spaced apart from one another, when the pen is pressed against the paper (FIG. 3). Indeed, while this spacing normally has the effect of reducing the ink film, which then no longer comes into contact with the tips 6a, 6b, it suffices, to remedy this drawback, to extend the lips 7a, 7b up to at the end of the pen (see Figure 5, where the bodies already described retain the same reference numbers), to minimize their separation and thus promote the accessibility of the tips 6a, 6b, to the ink film.
  • lips 7a or 7b can be indifferently arranged on the internal face or on the external face of the feather (see FIG. 6, on which the organs described above retain the same references assigned to the index '), while performing the same function.
  • the invention therefore provides a simple and easy-to-use means for opposing ink splashes, under the effect of a shock, through the slit of a pen of a stylographer, and thus to avoid the dirt on the outside of the feather which usually results.
EP82400644A 1981-04-10 1982-04-08 Dispositif d'écriture pour stylographe à plume Expired EP0065430B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82400644T ATE12371T1 (de) 1981-04-10 1982-04-08 Schreibfeder fuer fuellfederhalter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8107227 1981-04-10
FR8107227A FR2503637A1 (fr) 1981-04-10 1981-04-10 Dispositif d'ecriture pour stylographe a plume

Publications (2)

Publication Number Publication Date
EP0065430A1 EP0065430A1 (fr) 1982-11-24
EP0065430B1 true EP0065430B1 (fr) 1985-03-27

Family

ID=9257243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82400644A Expired EP0065430B1 (fr) 1981-04-10 1982-04-08 Dispositif d'écriture pour stylographe à plume

Country Status (9)

Country Link
US (1) US4474487A (es)
EP (1) EP0065430B1 (es)
JP (1) JPS57178797A (es)
AT (1) ATE12371T1 (es)
BE (1) BE892809A (es)
DE (2) DE65430T1 (es)
ES (1) ES273476Y (es)
FR (1) FR2503637A1 (es)
IT (1) IT1155502B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0357511Y2 (es) * 1985-07-17 1991-12-27
DE4412468A1 (de) * 1994-04-13 1995-10-19 Fraunhofer Ges Forschung Verfahren zur Herstellung von Schreibfedern
IL209843A (en) * 2010-12-08 2016-08-31 GOZLAN Eliahou Writing device
TWM438976U (en) * 2012-05-31 2012-10-11 yi-shan Lai Fountain pen with front and back side writing effect
JP5952866B2 (ja) * 2014-01-28 2016-07-13 株式会社秋田研磨工業 万年筆のペン先
US9815316B2 (en) 2014-07-07 2017-11-14 Akita Grind Industry Co., Ltd. Fountain pen nib
TWM551569U (zh) * 2017-08-24 2017-11-11 Yee-Shang Lai 全方位可寫鋼筆

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE18121C (de) * C. O. SCHNAUDER in Chemnitz, Zwickauerstr. 10 Stahlfeder mit Ueberzug von Gewebe oder Faserstoff auf der Innenseite
FR12663E (fr) * 1910-04-23 1910-10-26 Aterste Prager Celluloid Kammw Plume à écrire en celluloid
FR416213A (fr) * 1910-04-23 1910-10-14 Erste Prager Celluloid Kammwar Plumes à écrire en celluloÏd
US1613812A (en) * 1924-06-11 1927-01-11 Wahl Co Pen and nib and method of producing same
US1869950A (en) * 1931-08-10 1932-08-02 Sheaffer W A Pen Co Pen
US2039326A (en) * 1934-01-20 1936-05-05 Howard Hunt Pen Company C Pen
FR882267A (fr) * 1942-05-22 1943-05-28 A R L Etablissements Fobs Soc Procédé de traitement des plumes à écrire stylographiques et autres
FR983957A (fr) * 1943-09-10 1951-06-29 Plume à écrire
GB597219A (en) * 1943-10-08 1948-01-21 Bristol S Instr Company Ltd Improvements in or relating to metal pen points
DE801196C (de) * 1948-10-02 1950-12-28 Alexander S Bernhardt Schreibfeder aus Kunststoff
BE513137A (es) * 1951-07-27
US3303826A (en) * 1965-04-13 1967-02-14 Union Carbide Corp Fountain pen nib
CH423545A (de) * 1965-06-04 1966-10-31 Engler Werner Füllfederhalter-Feder
JPS6028680B2 (ja) * 1977-08-26 1985-07-05 株式会社パイロット ペンの製造方法

Also Published As

Publication number Publication date
FR2503637B1 (es) 1984-04-13
ES273476U (es) 1983-12-01
JPS57178797A (en) 1982-11-04
IT1155502B (it) 1987-01-28
DE65430T1 (de) 1983-05-11
FR2503637A1 (fr) 1982-10-15
US4474487A (en) 1984-10-02
BE892809A (fr) 1982-10-08
DE3262749D1 (en) 1985-05-02
EP0065430A1 (fr) 1982-11-24
ES273476Y (es) 1984-06-16
ATE12371T1 (de) 1985-04-15
IT8267455A0 (it) 1982-04-06

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