EP1472101A1 - Article d'ecriture equipe de moyens supports pour la pointe d'ecriture - Google Patents
Article d'ecriture equipe de moyens supports pour la pointe d'ecritureInfo
- Publication number
- EP1472101A1 EP1472101A1 EP02804945A EP02804945A EP1472101A1 EP 1472101 A1 EP1472101 A1 EP 1472101A1 EP 02804945 A EP02804945 A EP 02804945A EP 02804945 A EP02804945 A EP 02804945A EP 1472101 A1 EP1472101 A1 EP 1472101A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- writing
- article
- assembly
- tip
- 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.)
- Granted
Links
- 239000000843 powder Substances 0.000 claims abstract description 14
- 238000005245 sintering Methods 0.000 claims abstract description 9
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 5
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 239000003550 marker Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010002 mechanical finishing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K17/00—Continuously-adjustable nibs, e.g. for drawing-pens; Holders therefor
Definitions
- the present invention relates to a writing article in which the ink contained in a reservoir is brought to a writing point, which is fixed to the front of the body of the article by means of point support means. .
- the tip support means which are generally used consist of two parts, the first being a cylindrical tube in which the writing tip is fitted and the other of plastic material which surrounds the cylindrical tube and the rear part of the tip. writing.
- This second plastic part may have a substantially annular shoulder acting as a non-return stop, against the front end of the body of the article.
- the tip support means may consist of a single piece of plastic, instead of the two aforementioned pieces.
- said article comprises a capillary connector.
- the connector When the ink is contained in a capillary fibrous reservoir, the connector has its rear end which penetrates into the fibrous mass of the capillary reservoir and its front end which surrounds
- the ink contained in the capillary reservoir migrates, by capillary action, over the entire length of the capillary connector and penetrates into the writing tip through its internal capillary.
- the first aim of the present invention is to simplify the manufacture of such an article.
- a writing article which, in known manner comprises: a) a body comprising an internal ink reservoir and at the front end of which opens a writing point, b) a capillary connector ensuring the transfer of ink between the reservoir and the writing tip, c) and tip support means, arranged at the front end of the body, to support and ensure the assembly of the tip and the capillary connector.
- the capillary connector and all or part of the tip support means consist of a compact monobloc and capillary assembly, obtained by sintering of thermoplastic powder.
- the writing tip can be a normal tip, or even a writing tip of the ball-point pen type or of the ball-point felt type.
- thermoplastic powder During the sintering of thermoplastic powder, an open pore network is obtained which allows the transfer of the ink by capillary action. In addition, by powder sintering, it is possible to obtain an assembly whose compactness and therefore mechanical strength is sufficient to maintain the writing tip.
- it is a writing article with a fine tip, in particular very fine and extruded, comprising a first piece supporting the tip which is a cylindrical tube in which the tip is fitted.
- a first piece supporting the tip which is a cylindrical tube in which the tip is fitted.
- said cylindrical tube and the tip are fitted into the one-piece assembly.
- the fine point in particular the very fine point extruded
- the fine point is generally delivered by the advanced manufacturer in its assembled configuration with the first advanced support piece.
- the monobloc assembly is produced in a mold which comprises elements making it possible to shape an interior recess making it possible to obtain this fitting.
- the one-piece assembly occupies the entire passage diameter of the front part of the body of the article and thus achieves the holding in position of the tip relative to the body of the article.
- the monobloc assembly completely replaces the tip support means and the capillary connector. It is of course this second version which brings the maximum of simplification to the manufacture of the writing article.
- this assembly is obtained by powder sintering, it is possible to give it, thanks to a judicious choice of mold, a geometrically complex configuration, without requiring a unitary mechanical finish and sufficient mechanical strength to obtain excellent maintenance of the tip including in the case where the diameter of the tip is significantly less than the passage diameter of the front part of the body of the article and where, consequently, it is the monobloc assembly which occupies the entire passage diameter, resting on the inner face of said body, except for an air circulation channel provided during molding.
- the capillarity and / or the mechanical strength and / or the hydrophilic / hydrophobic character with respect to the ink For example it is possible favor capillarity for the rear part of the article and mechanical resistance and possibly hydrophobic character for the front part, the rear part being the part by which the ink will be transferred from the reservoir to the rear end of the tip.
- said assembly comprises a longitudinal recess in which the writing tip can be force-fitted.
- the monobloc assembly comprises at least one shoulder, forming a non-return stop against a part of the body of the article.
- the shoulder which the monobloc assembly presents is formed towards the rear, at the location of the front face of the interior transverse wall, said shoulder then coming to bear on said front face.
- the shoulder of the one-piece assembly is formed towards the front of said assembly, bearing on the front end of the body of the article.
- the present invention it is possible to propose a writing article which can operate alternately, at the user's choice, either with fine or normal writing or as a marker, with a large writing area. Indeed, it suffices for this that at least one zone of the front part of the monobloc assembly, which is outside the front end of the body of the article, is supplied by capillarity with ink from the reservoir. and is arranged to act as a large writing head in addition to the writing tip.
- the user can either position the article in such a way that it is the writing tip which is applied to the writing medium or position it so that it is the area supplied with ink from the one-piece assembly that applies on the writing medium.
- the writing area of the 'monobloc assembly is inclined relative to the longitudinal axis of the article passing through the writing tip, this inclination being substantially in a general direction intersecting said axis beyond the front end of the writing tip.
- a simplification consists in the fact that the monobloc assembly is a piece symmetrical with respect to a median transverse plane.
- the two ends, front and rear, of the monobloc assembly preferably comprise a longitudinal recess capable of receiving the writing tip by force. Thanks to this symmetry, the assembly of the article is highly facilitated since it is no longer necessary to precisely present this one-piece assembly in a predetermined position for on the one hand the force fitting of the point of writing and on the other hand the assembly in the body of the article.
- Another simplification consists in having, in this one-piece assembly, a standardized part for the manufacture of two distinct types of writing articles, namely on the one hand an article as above with fine or normal point and on the other hand, a marker type article, with large writing.
- the part in question will be equipped with the writing tip while in the second article this piece will be used alone, without writing tip.
- Figure 1 is a schematic and partial sectional view of a writing article according to the prior art
- Figure 2 is a schematic and partial sectional view of a writing article according to a first example of the invention with a metal tip holder
- FIG. 3 is a schematic sectional and partial view of a writing article according to a second example of the invention, in which the monobloc assembly completely replaces the advanced support means,
- FIG. 4 is a partial view of a third example of an article combining fine writing and wide marking and
- FIG. 5 is a schematic representation, in longitudinal section, of a symmetrical one-piece assembly.
- the writing article 1 which is illustrated in FIG. 1 illustrates the prior art. It includes a body 2 towards the front end
- the first part is a metal tube 4 which is partially surrounded by the second plastic part 5.
- This second part 5 has a shoulder 5a which bears on the edge of the front end 2a of the body. It also has, towards the rear, a cylindrical cavity 5b.
- This cavity 5b is shaped to receive a capillary connector 6 which connects the writing tip 3 to the capillary fibrous reservoir 7 which is housed towards the rear of the body 2 beyond an interior transverse wall 8.
- the capillary connector 6 has its end rear 6a which penetrates into the fibrous mass of the capillary reservoir 7 while its front end 6b surrounds the rear end 3a of the writing tip 3.
- the writing tip 3 previously fitted into the metallic cylindrical part 4 is fitted into the plastic part 5 and finally the capillary connector is fitted into the rear cavity 5b of the second plastic part 5.
- the capillary connector and all or part of the tip support means are constituted by a compact monobloc and capillary assembly, obtained by sintering of thermoplastic powder.
- the monobloc assembly 9 which equips article 10 replaces the capillary connector and the second plastic part of the example illustrated in FIG. 1.
- This monobloc assembly 9 has sufficient capillarity to ensure the transfer of the ink from the capillary fibrous reservoir 7 to the writing tip 3, more particularly when it is an extruded tip to the rear end 3b of said tip 3, this is that is to say up to the entry of the longitudinal internal capillary contained by said tip 3.
- this one-piece assembly 9 has sufficient mechanical strength to ensure that the writing tip 3 is held in position, that is to say - say fulfill the peak support function of the second part 5a.
- This capillarity and this mechanical strength are obtained both by using, as thermoplastic powder, a polyethylene powder sold under the name and reference HOSTALEN GHR 8110, the average size of which is around 120 ⁇ m. After sintering in an appropriate mold, for example aluminum, at a temperature of 200 ° C. for approximately 5 minutes, a monobloc, compact, open-pore assembly is obtained, the average pore size of which is of the order of 15 ⁇ m and has a mechanical resistance of 4.3 N / mm 2 .
- the internal recess of the monobloc assembly which allows the fitting of the tip 3 and of the metal tube 4 is carried out directly during molding or possibly by mechanical finishing.
- the capillarity and mechanical resistance properties are not sought in the same way for the entire volume of the one-piece assembly 9.
- Mechanical resistance is sought for the front part 9a, which ensures the precise maintenance of the tip 3 and, in the example of FIG. 2, of the metal part 4 inside the front end 2a of the body 2 of the article.
- the capillarity it is sought for the rear part 9b of the monobloc assembly 9, that is to say the part which ensures the transfer of the ink as indicated above.
- the one-piece assembly 9 includes a shoulder 11 capable of abutting against the front face 8a of the transverse inner wall 8, around the passage orifice 12.
- the monobloc assembly 9 has a generally cylindrical configuration whose rear part 9b has two sections of different diameter, the diameter being less than that of the passage orifice 12 at the rear end part while it is greater than that of the orifice at passage 12 at the shoulder 11.
- the second exemplary embodiment, illustrated in FIG. 3, differs from that which has just been described in that the monobloc assembly 13 replaces both the capillary connector and all of the means for supporting the tip of writing 3.
- the production of such a one-piece assembly is further simplified compared to the previous example since it suffices for the positioning of the writing tip 3 to provide a longitudinal internal recess 13a which is made, during molding, for that the internal diameter allows the penetration of the writing tip 3 to be forced in. Once this forced penetration has been achieved, it is very difficult to extract the writing tip 3 from the one-piece assembly 13.
- the writing article 15 combines two operating modes, the first in fine writing with the writing tip 3 and the second in wide writing for marking, with a zone 14b located on the front part 14a of the monobloc assembly 14, outside the body of the article.
- the zone 14b must also be supplied with ink and therefore the capillarity of the monobloc assembly 14 must be adjusted accordingly.
- the front part 14a of the monobloc assembly 14 has a substantially frustoconical or possibly pyramidal structure, so as to provide an area 14b capable of being applied to the writing medium over a determined length d. It is this length d which corresponds to the marking width in the context of the second mode of operation of the article.
- the user can choose his operating mode according to the angle of inclination of the article when he writes on the writing medium. If it holds the article substantially vertically or slightly inclined, it is the fine writing tip 3 which will come into contact with the writing medium. On the other hand, if it inclines the article so that the zone 14b is in contact with the writing medium, it will obtain a wide marking.
- the one-piece assembly, 13 or 14 is capillary over its entire length, it is understood that it can itself constitute a writing head, of large marking, if a tip is not inserted therein. writing 3.
- a monobloc assembly 13, 14 can constitute a standard part in the manufacture of two types of articles, the choice being able to be made according to demand.
- a fine or normal writing tip 3 is fitted into the longitudinal recess of the front part of the monobloc assembly. It is then an article with a fine or normal writing tip.
- the monobloc assembly 13, 14 is used as it is. It is then a writing article with wide marking.
- FIG. 5 shows a monobloc assembly 16 which is perfectly symmetrical with respect to a median transverse plane, having two internal longitudinal recesses 17, 17 ′ capable of receiving forcefully a writing tip 3.
- a monobloc assembly makes it possible to simplify the assembly operations of the article since it avoids having to select the arrangement in the space of the assembly according to the front or rear end for the fitting of the writing tip and / or its mounting in the body of the article.
- the abutment of this one-piece assembly 16 in the body of the article can only be done thanks to a peripheral gadroon, disposed inside the body of the article.
- the present invention is not limited to the exemplary embodiments which have just been described.
- the writing tip can be of the ballpoint pen or ballpoint pen type.
Landscapes
- Pens And Brushes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0116416 | 2001-12-18 | ||
| FR0116416A FR2833520B1 (fr) | 2001-12-18 | 2001-12-18 | Article d'ecriture equipe de moyens supports pour la pointe d'ecriture |
| PCT/FR2002/004442 WO2003051648A1 (fr) | 2001-12-18 | 2002-12-18 | Article d'ecriture equipe de moyens supports pour la pointe d'ecriture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1472101A1 true EP1472101A1 (fr) | 2004-11-03 |
| EP1472101B1 EP1472101B1 (fr) | 2007-03-07 |
Family
ID=8870661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02804945A Expired - Lifetime EP1472101B1 (fr) | 2001-12-18 | 2002-12-18 | Article d'ecriture equipe de moyens supports pour la pointe d'ecriture |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7156573B2 (fr) |
| EP (1) | EP1472101B1 (fr) |
| JP (1) | JP4365683B2 (fr) |
| CN (1) | CN100352671C (fr) |
| AU (1) | AU2002364667B2 (fr) |
| BR (1) | BRPI0215055B1 (fr) |
| CA (1) | CA2470385C (fr) |
| DE (1) | DE60218748T2 (fr) |
| ES (1) | ES2282519T3 (fr) |
| FR (1) | FR2833520B1 (fr) |
| MX (1) | MXPA04005866A (fr) |
| WO (1) | WO2003051648A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080145136A1 (en) * | 2006-12-15 | 2008-06-19 | George Korper | Reversible nib |
| US9566818B2 (en) | 2010-06-14 | 2017-02-14 | Mitsubishi Pencil Company, Limited | Writing instrument |
| CN102971156B (zh) | 2010-06-14 | 2015-09-23 | 三菱铅笔株式会社 | 书写用具 |
| KR200460082Y1 (ko) * | 2011-11-29 | 2012-05-02 | (주)뷰티프로모션스 | 네일 소제구 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3353899A (en) * | 1965-06-23 | 1967-11-21 | Radiant Pen Corp | Fiber tipped pen |
| JPS61125477U (fr) * | 1984-12-08 | 1986-08-07 | ||
| FR2654389A1 (fr) * | 1989-11-16 | 1991-05-17 | Aviau De Piolant Jean Louis D | Pinceau ou stylo a pointe telescopique. |
| DE4202239A1 (de) * | 1992-01-28 | 1993-07-29 | Coronet Werke Gmbh | Vorrichtung zum aufbringen von fluessigkeiten |
| GB9318844D0 (en) * | 1993-09-10 | 1993-10-27 | Esselte Letraset Ltd | Nibb units for pens |
| JP3536673B2 (ja) * | 1998-07-28 | 2004-06-14 | 昌旦 深見 | ペ ン |
| US6474893B1 (en) * | 1998-12-18 | 2002-11-05 | Mitsubishi Pencil Kabushiki Kaisha | Writing instrument having excellent cap-off performance |
| JP2000233592A (ja) * | 1999-02-17 | 2000-08-29 | Pilot Ink Co Ltd | 直液式筆記具 |
| CN2381498Y (zh) * | 1999-07-10 | 2000-06-07 | 李书厚 | 一种板书笔 |
-
2001
- 2001-12-18 FR FR0116416A patent/FR2833520B1/fr not_active Expired - Fee Related
-
2002
- 2002-12-18 JP JP2003552551A patent/JP4365683B2/ja not_active Expired - Fee Related
- 2002-12-18 ES ES02804945T patent/ES2282519T3/es not_active Expired - Lifetime
- 2002-12-18 CN CNB028253620A patent/CN100352671C/zh not_active Expired - Fee Related
- 2002-12-18 AU AU2002364667A patent/AU2002364667B2/en not_active Ceased
- 2002-12-18 DE DE60218748T patent/DE60218748T2/de not_active Expired - Lifetime
- 2002-12-18 MX MXPA04005866A patent/MXPA04005866A/es active IP Right Grant
- 2002-12-18 EP EP02804945A patent/EP1472101B1/fr not_active Expired - Lifetime
- 2002-12-18 WO PCT/FR2002/004442 patent/WO2003051648A1/fr not_active Ceased
- 2002-12-18 CA CA002470385A patent/CA2470385C/fr not_active Expired - Fee Related
- 2002-12-18 BR BRPI0215055A patent/BRPI0215055B1/pt not_active IP Right Cessation
-
2004
- 2004-06-17 US US10/872,193 patent/US7156573B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03051648A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4365683B2 (ja) | 2009-11-18 |
| CN1604857A (zh) | 2005-04-06 |
| FR2833520A1 (fr) | 2003-06-20 |
| FR2833520B1 (fr) | 2004-07-09 |
| DE60218748D1 (de) | 2007-04-19 |
| CA2470385C (fr) | 2009-05-19 |
| BR0215055A (pt) | 2004-11-23 |
| CA2470385A1 (fr) | 2003-06-26 |
| US7156573B2 (en) | 2007-01-02 |
| DE60218748T2 (de) | 2007-11-15 |
| CN100352671C (zh) | 2007-12-05 |
| WO2003051648A1 (fr) | 2003-06-26 |
| US20050013651A1 (en) | 2005-01-20 |
| BRPI0215055B1 (pt) | 2016-03-01 |
| AU2002364667B2 (en) | 2007-08-30 |
| AU2002364667A1 (en) | 2003-06-30 |
| JP2005511369A (ja) | 2005-04-28 |
| ES2282519T3 (es) | 2007-10-16 |
| MXPA04005866A (es) | 2004-11-01 |
| EP1472101B1 (fr) | 2007-03-07 |
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