EP2399757B1 - Schreibinstrument mit modifizierbarer konfiguration - Google Patents

Schreibinstrument mit modifizierbarer konfiguration Download PDF

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Publication number
EP2399757B1
EP2399757B1 EP11163814.4A EP11163814A EP2399757B1 EP 2399757 B1 EP2399757 B1 EP 2399757B1 EP 11163814 A EP11163814 A EP 11163814A EP 2399757 B1 EP2399757 B1 EP 2399757B1
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EP
European Patent Office
Prior art keywords
main body
writing instrument
deformable material
writing
instrument according
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.)
Active
Application number
EP11163814.4A
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English (en)
French (fr)
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EP2399757A1 (de
Inventor
François Aznar
François Dufournet
Jean Bardet
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.)
MAPED SAS
Original Assignee
MAPED SAS
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Publication of EP2399757A1 publication Critical patent/EP2399757A1/de
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Publication of EP2399757B1 publication Critical patent/EP2399757B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
    • B43K23/008—Holders comprising finger grips
    • 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
    • B43K5/005—Pen barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/005—Pen barrels
    • 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
    • B43K8/003—Pen barrels

Definitions

  • the present invention relates to a writing instrument, comprising an elongated main body and, at one end of this body, a writing tip such as a ball point. More particularly, this invention is concerned with such a writing instrument whose configuration is modifiable, thanks to a possibility of "modeling" of its main body, to adapt the writing instrument to the hand of the user for the sake of ergonomics and comfort of use.
  • Traditional writing instruments such as ink pens or ballpoint pens, have a main body of rectilinear shape, invariable, and a writing tip located on the axis of the main body. These writing instruments are of fixed form, that is to say that they retain the initial configuration that is given to them in the manufacture, even if they can locally have on the surface of their body deformable zones, particularly gripping areas made of a soft and elastic material.
  • Such an angled configuration aims to improve the ergonomics, from the dual point of view of the grip of the writing instrument and the visibility to the writing area.
  • it retains various disadvantages.
  • the shape bent for example in "Z" of the end of the main body is difficult and expensive to obtain, so incompatible with economical industrial manufacturing processes.
  • such a bent shape remains very difficult to obtain by an injection molding process, the demolding and ejection phases being the most problematic.
  • the user of the pen may be right-handed or left-handed, and even in a given category such as right-handed ones, the human hand is particular to each individual, particularly by its dimensions. The hand must therefore adapt to the writing instrument, even if it has a bent end supposedly "ergonomic".
  • the documents of DE 3805997 and NL 9100707 describe writing instruments whose body has an ability to deform, when first used, to adapt to the hand of the user, before hardening so as to retain the shape thus conferred on him .
  • the body of the writing instrument is in particular made of a hardenable material for example in contact with the air, or in a thermosetting material.
  • This kind of solution allows some initial "modeling" of the body of a pen, but the configuration thus obtained then remains permanently fixed during the life of the pen, without the possibility of modifying it, for example in case change of user or if the initially given conformation is not entirely satisfactory.
  • a writing instrument whose body has deformable parts, located in the gripping areas and constituted by a gel placed inside a heat-conducting material envelope.
  • the gel is cold-flowing but becomes hotter in contact with the user's hand.
  • the writing instrument is consistent with each use, and it returns to its initial state after each use, so that this instrument can not be "frozen” in a conformation adapted to a given user.
  • the deformable parts are limited to the "skin" of the instrument, for the comfort of the user, and the configuration of the body of the instrument is not modifiable for example to give it a bent shape.
  • the use of a cold softened gel is also incompatible with the realization with this gel of a large part of the body of the instrument, because the instrument would have no holding.
  • the document FR 2,703,627 also describes a pen whose body is adaptable to the hand of the user.
  • this document provides for the prior embodiment of a "model" in modeling clay, then the reproduction of this model in a rigid material, by machining or molding, which is a long, complex and expensive process, so little advantageous on the industrial plan.
  • the model comprises along its length a rigid internal axis, around which is present the moldable material, which limits the possibilities of conformation.
  • this process leads to a definitively frozen realization.
  • the present invention aims to eliminate all the disadvantages mentioned above, by providing a writing instrument whose conformation is modifiable not only at the first use but also at later times, for a perfect adaptation and a real "customization" of the writing instrument, for ergonomics and comfort of use further improved, while maintaining a simple modeling process and an economical manufacturing method and easy to industrialize.
  • the subject of the invention is an editable configuration writing instrument comprising an elongated main body and, at one end of the main body, a writing tip such as a ball point, the main body being made, at least partially, of a heat deformable material, so as to allow modifications of shape of the main body, allowing the "modeling" of said body by the user, characterized in that the cooled writing instrument retains the form which has been given to him hot, and in that the hot deformable material of the main body is polycaprolactone (PCL), the main body can thus be deformed as soon as it reaches a temperature of about 70 ° C.
  • PCL polycaprolactone
  • the hot-deformable material of the main body is advantageously polycaprolactone (PCL), or a material based on polycaprolactone.
  • PCL polycaprolactone
  • a main body made in this kind of material can be deformed as soon as it reaches a temperature of about 70 ° C, which allows the user to deform the writing instrument without burning the fingers, for example in simply soaking the writing instrument in hot water.
  • any user can easily customize his writing instrument, especially in the gripping area, by imposing elbows, twists, reliefs or hollows, the deformation can be done not only in a plane but also in space, in other words in "three dimensions ", so as to optimize the grip of the fingers on the body of the instrument. It can thus improve ergonomics and writing comfort, for example to adapt the writing instrument left-handed or to facilitate the learning of writing by children.
  • the hot deformation operation can be repeated as often as desired, for example to correct a previous conformation deemed imperfect or to adapt the writing instrument to another user. This results from the physical and mechanical properties of the recommended materials, and in particular from the fact that these materials become plastics according to a perfectly reversible and reproducible phenomenon.
  • the main body of the writing instrument is made in its entirety in a hot deformable material, namely the PCL or a PCL-based material.
  • the main body may comprise local arrangements such as at least one bellows zone, constituting one or more preferred zones of deformation, judiciously located on said body.
  • the main body may comprise local arrangements such as at least one bellows zone, constituting one or more preferred zones of deformation, judiciously located on said body.
  • the "natural" flexibility of the cartridge or the ink refill, housed inside the main body, allows the deformation and in particular the bending of this body.
  • the main body of the writing instrument is made partially in a non-heat deformable material, and partially in a hot deformable material, namely the PCL or a material based on from PCL.
  • thermochromic dye having the property of changing of color at a given temperature, corresponding to the softening temperature of said material, at a temperature of about 70 ° C.
  • the addition of such a dye gives the user a simple visual indication, for example by changing from a blue color to a white color, indicating that the writing instrument is sufficiently heated and can therefore be modeled ".
  • the main body cools, its color passes for example from white to blue, and the user is thus informed that his writing instrument has regained its initial rigidity, in the new configuration that comes to be given to him.
  • the manual "modeling" of the writing instrument can thus be perfectly controlled.
  • the main body of this writing instrument can be injection molded in a rectilinear configuration, which avoids any difficulty in demolding and ejection out of the mold.
  • the main body of the writing instrument can undergo a first deformation in the factory that can be designated as "pre-deformation", performed by means of a conformation tool, the end-user can later modify and customize the factory-set configuration by heating the body of the writing instrument again.
  • the method of manufacturing is adaptable by providing an injection molding type "bi-material", for example with initial molding parts of non-deformable hot material, and overmoulding parts of hot deformable material, namely the PCL or a material-based from PCL.
  • a first deformation of the main body can be performed in the factory, as soon as it leaves the mold.
  • the Figures 1 to 3 represent a writing instrument, such as a ballpoint pen, which comprises a main body 2 of elongate shape, having a front end 3 and a rear end 4.
  • a writing tip 5, such as a ball point is provided at the front end 3.
  • the main body 2 contains a cartridge or ink refill 6, in communication with the writing tip 5.
  • This writing tip 5 is retractable type or not.
  • the writing instrument is advantageously completed by a removable protective cap (not shown), which can be adapted to be on the front end 3 to cover and protect the tip 5, or on the rear end4 to allow the use of the writing tip 5.
  • the main body 2 is made of PCL or a material based on polycaprolactone (PCL), not plastically deformable at usual temperatures of use, but becoming plastic at a temperature of about 70 ° C, this phenomenon being reversible and can be repeat.
  • PCL polycaprolactone
  • the main body 2 is rectilinear at the origin, as shown by figure 1 , which allows its manufacture by a conventional method such as injection molding, without complications for demolding and ejection out of the mold.
  • This main body 2 may locally comprise arrangements, such as two bellows 7 and 8 relatively close to its front end 3, to facilitate its deformation in predefined areas, as specified below.
  • the figure 2 illustrates a possible result of the "modeling" of the main body 2, consisting of a double bend made in the two bellows zones 7 and 8, so as to shift the writing tip 5 relative to the general axis of the body 2.
  • the "modeling" operation of the main body 2 can be performed at various times.
  • the body 2 is still at a temperature above 70 ° C. It is then possible to directly give it a desired shape, such as a doubly bent shape according to the figure 2 , using a shaping tool.
  • the main body 2 can always be "remodeled" by the end user, because of the reversibility and repetitiveness of the process.
  • the "natural" flexibility of the cartridge or ink refill 6 allows deformation in flexion and torsion of the main body 2, and simultaneously of this cartridge or refill 6.
  • the shape of the main body 2 of the writing instrument can thus be adapted to the hand of the user, for the purpose of ergonomics and comfort, with the possibility of modifying several times, at successive moments the configuration of the writing instrument, by adding heat.
  • the writing instrument such as ballpoint pen, represented in Figures 4 to 6 , has a main body 2 of elongated shape, with a front end 3 and a rear end 4, the front end 3 receiving a writing tip 5 such as ball point, supplied with ink by a cartridge or refill 6 housed in the body 2.
  • the body 2 is here made of two distinct materials, namely a first non-hot deformable material and a second hot deformable material, namely the PCL or a PCL-based material.
  • This first material is in particular a synthetic material such as acrylonitrile butadiene styrene (ABS) or polystyrene (PS).
  • ABS acrylonitrile butadiene styrene
  • PS polystyrene
  • the second material heat deformable, is provided at the places where the user is brought to place his hand, in particular in a gripping zone 12 located towards the front of the main body 2.
  • This second material is PCL or a mixture of a synthetic material such as acrylonitrile butadiene styrene (ABS) or polycarbonate (PC) or polystyrene (PS), and polycaprolactone (PCL) in a PCL of between 10% and 50% of the mixture.
  • ABS acrylonitrile butadiene styrene
  • PC polycarbonate
  • PS polystyrene
  • PCL polycaprolactone
  • the main body 2 can be produced by a "bi-material" type injection molding process, known per se.
  • An advantageous method of manufacture consists, here again, in molding the body 2 of the writing instrument in a rectilinear configuration, as shown in FIG. figure 4 , facilitating demolding and ejection out of the mold.

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)

Claims (9)

  1. Schreibinstrument mit veränderbarer Konfiguration, das einen gestreckten Hauptkörper (2) und an einem Ende (3) des Hauptkörpers (2) eine Schreibspitze (5), wie zum Beispiel eine Spitze mit Kugel aufweist, wobei der Hauptkörper (2) mindestens teilweise aus einem warm verformbaren Material derart hergestellt ist, dass Formänderungen dieses Hauptkörpers (2) erlaubt werden, die das Modellieren des Körpers durch den Benutzer gestatten, dadurch gekennzeichnet, dass das abgekühlte Schreibinstrument die Form behält, die ihm im warmen Zustand verliehen wurde, und dass das warm verformbare Material des Hauptkörpers (2) Polycaprolacton (PCL) ist, wobei der Hauptkörper (2) daher verformt werden kann, sobald er eine Temperatur von etwa 70 °C erreicht.
  2. Schreibinstrument nach Anspruch 1, dadurch gekennzeichnet, dass der Hauptkörper (2) vollständig aus dem warm verformbaren Material hergestellt ist.
  3. Schreibinstrument nach Anspruch 2, dadurch gekennzeichnet, dass der Hauptkörper (2) lokale Einrichtungen umfasst, wie zum Beispiel eine Zone, die einen Balg (7, 8) bildet, der eine der privilegierten Verformungszonen bildet.
  4. Schreibinstrument nach Anspruch 3, dadurch gekennzeichnet, dass zwei Zonen von Bälgen (7, 8) vorgesehen sind, die in relativ geringer Entfernung von dem Ende (3) des Hauptkörpers (2), der die Schreibspitze (5) umfasst, liegen, wobei diese zwei Zonen es erlauben, dem Hauptkörper (2) eine doppelt abgewinkelte Form in der Nähe dieses Endes (3) zu verleihen.
  5. Schreibinstrument nach Anspruch 1, dadurch gekennzeichnet, dass der Hauptkörper (2) teilweise aus einem nicht warm verformbaren Material hergestellt ist und teilweise aus dem warm verformbaren Material, wobei das warm verformbare Material insbesondere in Greifzonen (12) des Schreibinstruments vorgesehen ist.
  6. Schreibinstrument nach Anspruch 5, dadurch gekennzeichnet, dass das nicht warm verformbare Material in Teilen des Hauptkörpers (2) vorliegt, die eine ständige Steifigkeit und eine präzise und konstante Geometrie behalten müssen, wie zum Beispiel:
    - der Teil (9) des Hauptkörpers (2) nahe dem vorderen Ende (3), der die Schreibspitze (5) trägt, und/oder
    - der Teil (10) des Hauptkörpers (2) nahe dem hinteren Ende (4), auf dem ein hinterer Verschlussstopfen (11) dieses Körpers (2) und/oder eine abnehmbare Schutzkappe angepasst werden kann.
  7. Schreibinstrument nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass zu dem warm verformbaren Material des Hauptkörpers (2) ein thermochromer Farbstoff hinzugefügt wird, der die Eigenschaft hat, dass er bei einer gegebenen Temperatur, die der Erweichungstemperatur des Materials entspricht, die Farbe wechselt.
  8. Schreibinstrument nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass sein Hauptkörper (2) in einer geradlinigen Konfiguration spritzgeformt ist, wobei dieser Hauptkörper, nachdem er aus der Form ausgeworfen wurde und noch ausreichend warm ist, eine Vorabverformung erfahren kann.
  9. Schreibinstrument nach den Ansprüchen 5 und 8, dadurch gekennzeichnet, dass sein Hauptkörper (2) durch "Zweikomponenten"-Spritzformen hergestellt wird.
EP11163814.4A 2010-06-22 2011-04-27 Schreibinstrument mit modifizierbarer konfiguration Active EP2399757B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1054954A FR2961437B1 (fr) 2010-06-22 2010-06-22 Instrument d'ecriture a configuration modifiable

Publications (2)

Publication Number Publication Date
EP2399757A1 EP2399757A1 (de) 2011-12-28
EP2399757B1 true EP2399757B1 (de) 2016-12-28

Family

ID=42712003

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11163814.4A Active EP2399757B1 (de) 2010-06-22 2011-04-27 Schreibinstrument mit modifizierbarer konfiguration

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EP (1) EP2399757B1 (de)
CN (1) CN202098151U (de)
FR (1) FR2961437B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9895924B2 (en) * 2016-05-24 2018-02-20 Michael S. Medhin Articulated pen
DE202018102819U1 (de) * 2018-05-20 2018-05-30 Carl Schöller Schreibstift

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3805997A1 (de) 1987-02-25 1988-09-08 Patrick A Westphal Handgeraet
US4785495A (en) * 1987-08-17 1988-11-22 Dellis Edward A Moldable hand grips
US5527124A (en) 1990-04-17 1996-06-18 Kolaric; Marjan Shaped pen
NL9100707A (nl) 1991-04-23 1992-11-16 Bozena Teresa Borysowicz Schrijf- of tekengereedschap.
FR2703627A1 (fr) 1993-04-08 1994-10-14 Paillier Laurent Stylo ergonomique personnalisé.
DE19855325C2 (de) * 1997-12-02 2002-11-21 Faber Castell A W Ummantelung für Farb-, Blei- und Kosmetikminen
AU1737300A (en) * 1998-12-03 2000-06-19 Bic Corporation Customized grip using a thermoreversible gel composition
MXPA01013305A (es) 1999-06-01 2002-07-02 Liu Boa Shen Mejoras en estructura de pluma acodada.
US6132126A (en) * 1999-07-12 2000-10-17 Charles Chang Adjustable cosmetic applicator
JP2001222365A (ja) * 2000-02-07 2001-08-17 Wacom Co Ltd 位置指示器及び位置指示器の指当接部変形方法
GB2394209B (en) 2002-10-16 2004-09-08 Debar Ltd The left- handed pen
US7650894B2 (en) * 2003-02-25 2010-01-26 Werner Melanie R Eyeliner pencil
US7001090B2 (en) 2004-01-13 2006-02-21 Bao-Shen Liu Offset pen
GB2417223A (en) 2004-08-21 2006-02-22 Michael George Deacon Left-handed pen
US20060088361A1 (en) * 2004-10-21 2006-04-27 Ali Nakhaie Flexible writing instrument
USD603896S1 (en) 2007-11-27 2009-11-10 Michael George Deacon Pen with cap

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2399757A1 (de) 2011-12-28
CN202098151U (zh) 2012-01-04
FR2961437B1 (fr) 2013-05-17
FR2961437A1 (fr) 2011-12-23

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