EP2399757A1 - Writing instrument with modifiable configuration - Google Patents
Writing instrument with modifiable configuration Download PDFInfo
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- EP2399757A1 EP2399757A1 EP20110163814 EP11163814A EP2399757A1 EP 2399757 A1 EP2399757 A1 EP 2399757A1 EP 20110163814 EP20110163814 EP 20110163814 EP 11163814 A EP11163814 A EP 11163814A EP 2399757 A1 EP2399757 A1 EP 2399757A1
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- European Patent Office
- Prior art keywords
- main body
- writing instrument
- writing
- instrument according
- hot
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- 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.)
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Classifications
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- 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
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- 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
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- 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
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- 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".
- patent documents 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 a certain initial "modeling" of the body of a pen, but the configuration thus obtained then remains frozen, in a definitive way, throughout 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.
- 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 patent 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 elongate main body and, at one end of the main body, a writing tip such as a ball point, this instrument of writing being characterized in that its main body is made, at least partially, of a hot deformable material, so as to allow changes in shape of the main body, allowing the "modeling" of said body by the user, chilled writing instrument retaining the shape that was given to him hot.
- the heat-deformable material of the main body is advantageously polycaprolactone (PCL), or a synthetic material associated with 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 bends, twists, reliefs or hollows, the deformation can be done not only in a plane but also in the 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.
- 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.
- two bellows zones located relatively short distance from the end of the main body which has the writing tip, these two areas for giving the main body a doubly bent shape, in the vicinity of this end.
- 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.
- thermochromic dye having the property of changing color at a given temperature, corresponding to the temperature of the softening said material, for example at a temperature of about 70 ° C in the case of polycaprolactone.
- 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 manufacturing process 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 deformable material hot.
- 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 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 repeated.
- 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.
- 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 deformable when hot, 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 a mixture of a synthetic material such as acrylonitrile butadiene styrene (ABS) or polycarbonate (PC) or polystyrene (PS), and polycaprolactone (PCL) in a proportion 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.
Abstract
Description
La présente invention concerne un instrument d'écriture, comprenant de un corps principal allongé et, à une extrémité de ce corps, une pointe d'écriture telle qu'une pointe à bille. Plus particulièrement, cette invention s'intéresse à un tel instrument d'écriture dont la configuration est modifiable, grâce à une possibilité de « modelage » de son corps principal, permettant d'adapter l'instrument d'écriture à la main de l'utilisateur dans un souci d'ergonomie et de confort d'utilisation.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.
Les instruments d'écriture traditionnels, du genre stylos à encre ou stylos à bille, possèdent un corps principal de forme rectiligne, invariable, et une pointe d'écriture située sur l'axe du corps principal. Ces instruments d'écriture sont de forme fixe, c'est-à-dire qu'ils conservent la configuration initiale qui leur est donnée à la fabrication, même s'ils peuvent localement comporter à la surface de leur corps des zones déformables, en particulier des zones de préhension réalisées dans une matière molle et élastique.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.
On connaît aussi quelques propositions pour des instruments d'écriture, en particulier des stylos à bille dont le corps principal possède une extrémité coudée qui décale la position et/ou l'orientation de la pointe d'écriture, par rapport à l'axe du corps principal. De telles réalisations sont divulguées par les documents de brevets
Une telle configuration coudée vise à améliorer l'ergonomie, du double point de vue de la prise en main de l'instrument d'écriture et de la visibilité vers la zone d'écriture. Toutefois, elle conserve divers inconvénients.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. However, it retains various disadvantages.
Ainsi, la forme coudée par exemple en « Z » de l'extrémité du corps principal est difficile et coûteuse à obtenir, donc incompatible avec des procédés industriels économiques de fabrication. En particulier, une telle forme coudée reste très difficile à obtenir par un procédé de moulage par injection, les phases de démoulage et d'éjection étant les plus problématiques.Thus, 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. In particular, such a bent shape remains very difficult to obtain by an injection molding process, the demolding and ejection phases being the most problematic.
De plus, sauf à prévoir un mécanisme d'articulation délicat tel que montré par le document
De plus, il faudrait tenir compte du fait que l'utilisateur du stylo peut être un droitier ou un gaucher, et même dans une catégorie donnée telle que les droitiers, la main humaine est particulière à chaque individu, notamment par ses dimensions. La main doit donc s'adapter à l'instrument d'écriture, même si celui-ci possède une extrémité coudée supposée « ergonomique ».In addition, it should be taken into account that 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".
Pour remédier à la situation actuelle, rappelée à ci-dessus, il serait judicieux de prévoir un instrument d'écriture dont la configuration, notamment dans la zone de préhension, puisse s'adapter à la main de l'utilisateur. Il existe déjà quelques propositions allant en ce sens.To remedy the current situation, mentioned above, it would be wise to provide a writing instrument whose configuration, especially in the gripping zone, can adapt to the hand of the user. There are already some proposals going in this direction.
Ainsi, les documents de brevets
Par le document de brevet
Le document de brevet
La présente invention vise à éliminer tous les inconvénients précédemment mentionnés, en fournissant un instrument d'écriture dont la conformation est modifiable non seulement à la première utilisation mais aussi à des moments ultérieurs, pour une parfaite adaptation et une véritable « personnalisation » de l'instrument d'écriture, en vue d'une ergonomie et d'un confort d'utilisation encore améliorés, tout en conservant un processus de modelage simple et un mode de fabrication économique et facile à industrialiser.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.
A cet effet, l'invention a pour objet un instrument d'écriture à configuration modifiable, comprenant un corps principal allongé et, à une extrémité du corps principal, une pointe d'écriture telle qu'une pointe à bille, cet instrument d'écriture étant caractérisé par le fait que son corps principal est réalisé, au moins partiellement, en une matière déformable à chaud, de manière à permettre des modifications de forme de ce corps principal, autorisant le « modelage » dudit corps par l'utilisateur, l'instrument d'écriture refroidi conservant la forme qui lui a été donnée à chaud.To this end, the subject of the invention is an editable configuration writing instrument, comprising an elongate main body and, at one end of the main body, a writing tip such as a ball point, this instrument of writing being characterized in that its main body is made, at least partially, of a hot deformable material, so as to allow changes in shape of the main body, allowing the "modeling" of said body by the user, chilled writing instrument retaining the shape that was given to him hot.
La matière déformable à chaud du corps principal est avantageusement la polycaprolactone (PCL), ou une matière synthétique associée à la polycaprolactone. Un corps principal réalisé dans ce genre de matière peut être déformé dès qu'il atteint une température d'environ 70°C, ce qui permet à l'utilisateur de déformer l'instrument d'écriture sans se brûler les doigts, par exemple en trempant simplement l'instrument d'écriture dans de l'eau chaude.The heat-deformable material of the main body is advantageously polycaprolactone (PCL), or a synthetic material associated with 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.
Ainsi, tout utilisateur peut aisément personnaliser son instrument d'écriture, notamment dans la zone de préhension, en lui imposant des coudes, des torsions, des reliefs ou des creux, la déformation pouvant se faire non seulement dans un plan mais aussi dans l'espace, autrement dit en « trois dimensions », de manière à optimiser la prise des doigts sur le corps de l'instrument. On peut ainsi améliorer l'ergonomie et le confort d'écriture, par exemple pour adapter l'instrument d'écriture aux gauchers ou pour faciliter l'apprentissage de l'écriture par les enfants.Thus, any user can easily customize his writing instrument, especially in the gripping area, by imposing bends, twists, reliefs or hollows, the deformation can be done not only in a plane but also in the 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.
Selon un avantage particulièrement remarquable de l'invention, l'opération de déformation à chaud peut être répétée aussi souvent que cela est souhaité, par exemple pour corriger une précédente conformation jugée imparfaite ou pour adapter l'instrument d'écriture à un autre utilisateur. Ceci résulte des propriétés physiques et mécaniques des matériaux préconisés, et en particulier du fait que ces matériaux deviennent plastiques selon un phénomène parfaitement réversible et reproductible.According to a particularly remarkable advantage of the invention, 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.
Selon un premier mode de réalisation de l'invention, le corps principal de l'instrument d'écriture est réalisé dans sa totalité dans une matière déformable à chaud. Ainsi, il est possible d'adapter la géométrie de la totalité de ce corps. Dans ce cas, le corps principal peut comporter des aménagements locaux tels qu'au moins une zone formant soufflet, constituant une ou des zones privilégiées de déformation, judicieusement situées sur ledit corps. Ainsi, on peut prévoir deux zones de soufflets situées à relativement faible distance de l'extrémité du corps principal qui comporte la pointe d'écriture, ces deux zones permettant de conférer au corps principal une forme doublement coudée, au voisinage de cette extrémité.According to a first embodiment of the invention, the main body of the writing instrument is made in its entirety in a hot deformable material. Thus, it is possible to adapt the geometry of the totality of this body. In this case, 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. Thus, one can provide two bellows zones located relatively short distance from the end of the main body which has the writing tip, these two areas for giving the main body a doubly bent shape, in the vicinity of this end.
La souplesse « naturelle » de la cartouche ou de la recharge d'encre, logée à l'intérieur du corps principal, autorise la déformation et notamment le cintrage de ce corps.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.
Selon un deuxième mode de réalisation de l'invention, le corps principal de l'instrument d'écriture est réalisé partiellement dans une matière non déformable à chaud, et partiellement dans une matière déformable à chaud. En particulier, la matière déformable à chaud est prévue dans des zones de préhension de l'instrument d'écriture, c'est-à-dire là où s'appliqueront les doigts de l'utilisateur. Plus particulièrement, la matière non déformable à chaud est présente dans des parties du corps principal devant conserver une rigidité permanente et une géométrie bien précise et constante, telles que :
- la partie du corps principal proche de l'extrémité avant, portant la pointe d'écriture, et/ou
- la partie proche de l'extrémité arrière, sur laquelle peuvent s'adapter un bouchon de fermeture arrière de ce corps et/ou un capuchon protecteur amovible.
- the main body part near the front end, carrying the writing tip, and / or
- the part near the rear end, on which can be fitted a rear closure cap of the body and / or a removable protective cap.
Selon une caractéristique additionnelle, il est prévu d'adjoindre, au matériau déformable à chaud du corps principal de l'instrument d'écriture, un colorant thermo-chromique ayant la propriété de changer de couleur à une température donnée, correspondant à la température de ramollissement de ladite matière, par exemple à une température d'environ 70°C dans le cas de la polycaprolactone. L'ajout d'un tel colorant donne à l'utilisateur une indication visuelle simple, par exemple en passant d'une couleur bleue à une couleur blanche, lui signalant que l'instrument d'écriture est suffisamment chauffé et peut par conséquent être « modelé ». A l'inverse, lorsque le corps principal se refroidit, sa couleur passe par exemple du blanc au bleu, et l'utilisateur se trouve ainsi informé de ce que son instrument d'écriture a retrouvé sa rigidité initiale, dans la nouvelle configuration qui vient de lui être donnée. Le « modelage » manuel de l'instrument d'écriture peut ainsi être parfaitement contrôlé.According to an additional feature, it is intended to add, to the hot deformable material of the main body of the writing instrument, a thermochromic dye having the property of changing color at a given temperature, corresponding to the temperature of the softening said material, for example at a temperature of about 70 ° C in the case of polycaprolactone. 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 ". Conversely, when 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.
Un autre avantage important de l'instrument d'écriture, objet de l'invention, est sa simplicité de fabrication, autorisant une production industrielle économique, par des techniques de moulage actuellement bien maîtrisées. En particulier, le corps principal de cet instrument d'écriture peut être moulé par injection dans une configuration rectiligne, ce qui évite toute difficulté de démoulage et d'éjection hors du moule. Une fois éjecté et encore suffisamment chaud, le corps principal de l'instrument d'écriture peut subir une première déformation en usine que l'on peut désigner comme « pré-déformation », réalisée au moyen d'un outil de conformation, l'utilisateur final pouvant ultérieurement modifier et personnaliser la configuration donnée en usine, en chauffant à nouveau le corps de l'instrument d'écriture.Another important advantage of the writing instrument, object of the invention, is its simplicity of manufacture, allowing economical industrial production, by molding techniques currently well controlled. In particular, 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. Once ejected and still sufficiently hot, 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.
Dans le cas d'un instrument d'écriture avec corps principal combinant une matière non déformable à chaud et une matière déformable à chaud, selon le deuxième mode de réalisation précédemment défini, le procédé de fabrication est adaptable en prévoyant un moulage par injection de type « bi-matière », par exemple avec moulage initial des parties en matière non déformable à chaud, puis surmoulage des parties en matière déformable à chaud. Là aussi, une première déformation du corps principal peut être réalisée en usine, dès sa sortie du moule.In the case of a writing instrument with a main body combining a non-hot deformable material and a hot deformable material, according to the second embodiment previously defined, the manufacturing process 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 deformable material hot. Here too, a first deformation of the main body can be performed in the factory, as soon as it leaves the mold.
Il est aussi possible de renoncer à une telle « pré-déformation » du corps principal et de livrer et vendre l'instrument d'écriture dans une conformation rectiligne, telle qu'obtenue à la sortie du moule, auquel cas il est laissé à l'utilisateur final l'initiative de la déformation.It is also possible to give up such "pre-deformation" of the main body and to deliver and sell the writing instrument in a rectilinear conformation, as obtained at the exit of the mold, in which case it is left to the end user the initiative of the deformation.
L'invention sera mieux comprise à l'aide de la description qui suit, en référence au dessin schématique annexé représentant, à titre d'exemples, quelques formes d'exécution de cet instrument d'écriture à configuration modifiable :
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Figure 1 est une vue en perspective d'un instrument d'écriture conforme à la présente invention, avant « modelage », -
Figure 2 est une vue en perspective illustrant une configuration possible de l'instrument d'écriture de lafigure 1 , après « modelage », -
Figure 3 est une vue en coupe longitudinale de cet instrument d'écriture, en correspondance avec lafigure 2 , -
Figure 4 est une vue en perspective d'un autre instrument d'écriture conforme à la présente invention, avant « modelage », -
Figure 5 est une vue en perspective, illustrant une configuration possible de l'instrument d'écriture de lafigure 4 , après « modelage », -
Figure 6 est une vue en coupe longitudinale de cet instrument d'écriture, en correspondance avec lafigure 5 .
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Figure 1 is a perspective view of a writing instrument according to the present invention, before "modeling", -
Figure 2 is a perspective view illustrating a possible configuration of the writing instrument of thefigure 1 after "modeling", -
Figure 3 is a longitudinal sectional view of this writing instrument, in correspondence with thefigure 2 , -
Figure 4 is a perspective view of another writing instrument according to the present invention, before "modeling", -
Figure 5 is a perspective view, illustrating a possible configuration of the writing instrument of thefigure 4 after "modeling", -
Figure 6 is a longitudinal sectional view of this writing instrument, in correspondence with thefigure 5 .
Les
Le corps principal 2 est réalisé en un matériau à base de polycaprolactone (PCL), non déformable plastiquement aux températures usuelles d'utilisation, mais devenant plastique à une température d'environ 70°C, ce phénomène étant réversible et pouvant se répéter.The
Le corps principal 2 est rectiligne à l'origine, comme le montre la
Ainsi, lors de la fabrication du corps principal 2 par moulage par injection, dans les instants qui suivent le démoulage, ce corps 2 se trouve encore à une température supérieure à 70°C. Il est alors possible de lui donner directement une forme souhaitée, telle qu'une forme doublement coudée selon la
Il est aussi possible de livrer et vendre l'instrument d'écriture dans sa configuration rectiligne (selon la
Dans le cas d'un « modelage » de l'instrument d'écriture réalisé dans son état assemblé, par l'utilisateur final, la souplesse « naturelle » de la cartouche ou recharge d'encre 6 permet la déformation en flexion et en torsion du corps principal 2, et simultanément de cette cartouche ou recharge 6.In the case of a "modeling" of the writing instrument made in its assembled state, by the end user, the "natural" flexibility of the cartridge or
La forme du corps principal 2 de l'instrument d'écriture peut ainsi être adaptée à la main de l'utilisateur, dans un but d'ergonomie et de confort, avec la possibilité de modifier plusieurs fois, à des moments successifs la configuration de l'instrument d'écriture, par apport de chaleur.The shape of the
Dans le mode de réalisation décrit jusqu'ici, en référence aux
Comme précédemment, l'instrument d'écriture tel que stylo à bille, représenté aux
Le corps 2 est ici réalisé en deux matières distinctes à savoir une première matière non déformable à chaud et une seconde matière déformable à chaud.The
La première matière, non déformable, est présente dans les parties du corps principal 2 de l'instrument d'écriture qui ne doivent pas être déformées, mais qui au contraire doivent respecter une « géométrie » stricte, en particulier :
- la partie 9 la plus proche de l'extrémité avant 3, qui sert de support à la
pointe d'écriture 5 et qui peut recevoir un capuchon amovible de protection, la partie 10 la plus proche de l'extrémité arrière 4, sur laquelle est encliqueté un bouchon 11 de fermeture arrière du corps 2, et sur laquelle peut aussi être placé le capuchon de protection.
- the part 9 closest to the
front end 3, which serves as a support for thewriting tip 5 and which can receive a removable protective cap, - the
part 10 closest to therear end 4, on which is snapped arear closure cap 11 of thebody 2, and on which can also be placed the protective cap.
Cette première matière est en particulier une matière synthétique telle que acrylonitrile butadiène styrène (ABS) ou polystyrène(PS).This first material is in particular a synthetic material such as acrylonitrile butadiene styrene (ABS) or polystyrene (PS).
La seconde matière, déformable à chaud, est prévue aux endroits où l'utilisateur est amené à placer sa main, en particulier dans une zone 12 de préhension située vers l'avant du corps principal 2. Cette seconde matière est un mélange d'une matière synthétique telle qu'acrylonitrile butadiène styrène (ABS) ou polycarbonate (PC) ou polystyrène (PS), et de polycaprolactone (PCL) dans une proportion comprise entre 10 % et 50 %du mélange.The second material, deformable when hot, is provided at the places where the user is brought to place his hand, in particular in a gripping
Le corps principal 2 est réalisable par un procédé de moulage par injection de type « bi-matière », connu en soi. Un mode de fabrication avantageux consiste, ici encore, à mouler le corps 2 de l'instrument d'écriture dans une configuration rectiligne, telle que montrée sur la
Ensuite, comme décrit plus haut dans le cas du premier mode de réalisation, il est possible de réaliser une « pré-déformation » du corps principal 2 immédiatement après son éjection hors du moule, en mettant à profit la chaleur résiduelle de la pièce moulée et en utilisant un outil conformateur approprié. L'utilisateur pourra ultérieurement modifier et finaliser l'adaptation ergonomique de l'instrument d'écriture en chauffant à nouveau le corps principal 2 de celui-ci à une température d'environ 70°C.Then, as described above in the case of the first embodiment, it is possible to perform a "pre-deformation" of the
Comme on le comprend, dans le cas de ce deuxième mode de réalisation, seules les zones réalisées dans la seconde matière seront déformées, les parties telles que celles 9 et 10 restant figées, comme l'illustrent les
On ne s'éloignerait pas du cadre de l'invention, telle que définie dans les revendications annexées :
- en réalisant le corps principal de l'instrument d'écriture en toutes matières ou combinaisons de matières appropriées, permettant de le déformer à chaud, dans sa totalité ou dans certaines zones localisées,
- en fabriquant ce corps principal par tout procédé de moulage ou autre,
- en appliquant l'invention à des instruments d'écriture de tout type : stylos à bille, stylos « feutre », stylos à plume, marqueurs, surligneurs, etc.
- realizing the main body of the writing instrument in any suitable materials or combinations of materials, allowing it to be deformed hot, in its entirety or in certain localized areas,
- by manufacturing this main body by any molding process or other,
- by applying the invention to writing instruments of any type: ballpoint pens, felt pens, fountain pens, markers, highlighters, etc.
Claims (10)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1054954A FR2961437B1 (en) | 2010-06-22 | 2010-06-22 | WRITING INSTRUMENT WITH MODIFIABLE CONFIGURATION |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2399757A1 true EP2399757A1 (en) | 2011-12-28 |
EP2399757B1 EP2399757B1 (en) | 2016-12-28 |
Family
ID=42712003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11163814.4A Active EP2399757B1 (en) | 2010-06-22 | 2011-04-27 | Writing instrument with modifiable configuration |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2399757B1 (en) |
CN (1) | CN202098151U (en) |
FR (1) | FR2961437B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019224066A1 (en) * | 2018-05-20 | 2019-11-28 | Carl Schoeller | Writing implement |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9895924B2 (en) * | 2016-05-24 | 2018-02-20 | Michael S. Medhin | Articulated pen |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3805997A1 (en) | 1987-02-25 | 1988-09-08 | Patrick A Westphal | Hand-held instrument |
US4785495A (en) * | 1987-08-17 | 1988-11-22 | Dellis Edward A | Moldable hand grips |
NL9100707A (en) | 1991-04-23 | 1992-11-16 | Bozena Teresa Borysowicz | Writing or drawing tool - has deformable shaft sleeve, adapted to writers finger grip shape |
FR2703627A1 (en) | 1993-04-08 | 1994-10-14 | Paillier Laurent | Personalised ergonomic pen |
US5527124A (en) | 1990-04-17 | 1996-06-18 | Kolaric; Marjan | Shaped pen |
WO2000032715A1 (en) | 1998-12-03 | 2000-06-08 | Bic Corporation | Customized grip using a thermoreversible gel composition |
US6132126A (en) * | 1999-07-12 | 2000-10-17 | Charles Chang | Adjustable cosmetic applicator |
WO2000072724A1 (en) | 1999-06-01 | 2000-12-07 | Huang, Alice, Y. | Improvement on offset pen structure |
US20010023784A1 (en) * | 2000-02-07 | 2001-09-27 | Yoji Wakui | Position pointing device and a method of customizing finger-touch-portion thereof |
GB2394209A (en) | 2002-10-16 | 2004-04-21 | Debar Ltd | A left handed pen |
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 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19855325C2 (en) * | 1997-12-02 | 2002-11-21 | Faber Castell A W | Sheathing for paint, lead and cosmetic leads |
US7650894B2 (en) * | 2003-02-25 | 2010-01-26 | Werner Melanie R | Eyeliner pencil |
-
2010
- 2010-06-22 FR FR1054954A patent/FR2961437B1/en not_active Expired - Fee Related
-
2011
- 2011-03-30 CN CN2011200887106U patent/CN202098151U/en not_active Expired - Fee Related
- 2011-04-27 EP EP11163814.4A patent/EP2399757B1/en active Active
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3805997A1 (en) | 1987-02-25 | 1988-09-08 | Patrick A Westphal | Hand-held instrument |
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 (en) | 1991-04-23 | 1992-11-16 | Bozena Teresa Borysowicz | Writing or drawing tool - has deformable shaft sleeve, adapted to writers finger grip shape |
FR2703627A1 (en) | 1993-04-08 | 1994-10-14 | Paillier Laurent | Personalised ergonomic pen |
WO2000032715A1 (en) | 1998-12-03 | 2000-06-08 | Bic Corporation | Customized grip using a thermoreversible gel composition |
WO2000072724A1 (en) | 1999-06-01 | 2000-12-07 | Huang, Alice, Y. | Improvement on offset pen structure |
US6132126A (en) * | 1999-07-12 | 2000-10-17 | Charles Chang | Adjustable cosmetic applicator |
US20010023784A1 (en) * | 2000-02-07 | 2001-09-27 | Yoji Wakui | Position pointing device and a method of customizing finger-touch-portion thereof |
GB2394209A (en) | 2002-10-16 | 2004-04-21 | Debar Ltd | A left handed pen |
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 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019224066A1 (en) * | 2018-05-20 | 2019-11-28 | Carl Schoeller | Writing implement |
Also Published As
Publication number | Publication date |
---|---|
EP2399757B1 (en) | 2016-12-28 |
FR2961437B1 (en) | 2013-05-17 |
CN202098151U (en) | 2012-01-04 |
FR2961437A1 (en) | 2011-12-23 |
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