EP3684629A1 - Writing instrument comprising two concentric writing tips - Google Patents

Writing instrument comprising two concentric writing tips

Info

Publication number
EP3684629A1
EP3684629A1 EP18782119.4A EP18782119A EP3684629A1 EP 3684629 A1 EP3684629 A1 EP 3684629A1 EP 18782119 A EP18782119 A EP 18782119A EP 3684629 A1 EP3684629 A1 EP 3684629A1
Authority
EP
European Patent Office
Prior art keywords
writing
writing tip
housing
deformable nose
tip
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
Application number
EP18782119.4A
Other languages
German (de)
French (fr)
Other versions
EP3684629B1 (en
Inventor
Franck Rolion
Arnaud Bez
Samuel Malinverni
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.)
BIC SA
Original Assignee
BIC 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 BIC SA filed Critical BIC SA
Publication of EP3684629A1 publication Critical patent/EP3684629A1/en
Application granted granted Critical
Publication of EP3684629B1 publication Critical patent/EP3684629B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K27/00—Multiple-point writing implements, e.g. multicolour; Combinations of writing implements
    • B43K27/08—Combinations of pens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K1/00—Nibs; Writing-points
    • B43K1/06—Tubular writing-points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
    • B43K24/14—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means
    • B43K24/146—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means with cam control
    • 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
    • B43K8/028—Movable closure or gate
    • 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
    • B43K8/24—Pens with writing-points other than nibs or balls characterised by the means for retracting writing-points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
    • B43K24/14—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means

Definitions

  • the present disclosure relates to a writing instrument comprising two concentric writing tips, the second writing tip being disposed around the first writing tip.
  • the writing instrument comprises a housing having at one longitudinal end of the housing an opening allowing the writing tips to take a configuration of use, in particular the second writing tip.
  • the opening is wide enough to let the second writing tip.
  • the opening is generally large compared to the opening of a writing instrument comprising only a single writing tip.
  • the opening may allow, when the second writing tip is not in the configuration of use, that is to say when the second writing tip is retracted into the housing of the instrument of writing, the entry of foreign bodies into the casing of the writing instrument or the accelerated evaporation of certain substances that go into the composition of the inks, which is undesirable.
  • the opening is relatively wide relative to the first writing tip, a relatively large clearance being present between the first writing tip and the portion of the housing forming the opening, which provides an unusual visual effect for the user.
  • This unusual visual effect may disturb or the user may find this writing instrument visually uncomfortable to use or poorly ergonomic, especially when using the first writing tip.
  • the present disclosure relates to a writing instrument comprising a housing extending in a longitudinal direction and having a radial direction, the writing instrument comprising a first writing tip and a second concentric writing tip, the second writing tip being disposed around the first writing tip, each writing tip being received in the housing and can take a configuration of use in which the writing tip protrudes from the housing, the housing comprising, at one longitudinal end, a deformable nose at least in the radial direction, the deformable nose comprising at least one slot extending in the longitudinal direction, the deformable nose not being deformed when only the first writing tip is in use configuration and the deformable nose being deformed when the second writing tip is in use configuration and the deformable nose comprising an outlet orifice of the first and second writing tips, the diameter of the outlet orifice is nt greater than the diameter of the first writing tip and less than the diameter of the second writing tip.
  • the opening by which the first writing tip projects into the use configuration of the first writing tip has a diameter in the radial direction less than a diameter of the second writing tip.
  • the opening having a diameter smaller than the diameter of the second writing tip the foreign bodies can penetrate much more difficult in the housing and this, even when the second writing tip is retracted into the housing of the writing instrument. It is understood that the diameter of the opening is measured when the deformable nose is in undistorted configuration.
  • the clearance between the first writing tip and the deformable nose is reduced compared to a writing instrument having two concentric writing tips and a non-deformable nose, so that the appearance for the user is substantially equivalent to the appearance of a writing instrument having only one writing tip and / or several nonconcentric writing tips.
  • the deformable nose is deformed due to the presence of the slot extending in the longitudinal direction present in the deformable nose.
  • the first write tip is fixed.
  • the first writing tip protrudes continuously from the housing and only the second writing tip is movable between the use configuration and a retracted configuration.
  • the writing instrument therefore has only one mechanism for feeding and outputting the second writing tip.
  • the writing instrument is less complex than a writing instrument comprising an advance and exit mechanism of each writing tip.
  • the second writing tip is of porous material, for example a felt or sintered porous material.
  • the second writing tip is thus better protected against foreign bodies, such as dust, for example, and the second writing tip is less prone to drying.
  • the reduced opening of the deformable nose when the second writing tip is not in use configuration that is to say when the second writing tip is retracted into the housing of the instrument writing, protects the second writing tip against foreign matter and reduces the air flow around the second writing tip.
  • the deformable nose comprises four slots extending in the longitudinal direction.
  • the presence of four slots is an advantageous embodiment of the deformable nose.
  • the four slots define four tabs in the deformable nose, the four tabs being deformable at least in the radial direction and allow greater deformation of each leg and this, while limiting the number of slots carried by the deformable nose.
  • the deformable nose has a Shore hardness greater than or equal to 20 Shore A, preferably greater than or equal to 60 Shore A and less than or equal to 90 Shore A, preferably less than or equal to 80 Shore AT.
  • the deformable nose is thermoplastic elastomer, thermoplastic polyurethane or silicone.
  • thermoplastic elastomer is based on SBS, SEBS and / or EPDM.
  • SBS is polystyrene-b-polybutadiene-b-polystyrene
  • SEBS is a polystyrene-b-poly (ethylene-butylene) -b-polystyrene
  • EPD is an ethylene-propylene-diene monomer.
  • the writing instrument comprises a deformable nose assembly ring with a portion of the housing, the deformable nose having a receiving portion of the assembly ring.
  • the deformable nose can be attached to the assembly ring which can itself be attached to a portion of the housing to form the housing.
  • the deformable nose is overmolded on the assembly ring.
  • the deformable nose is assembled on the assembly ring by radial clamping, screwing or latching.
  • the assembly ring is in a more rigid material than the material of the deformable nose.
  • the assembly ring is assembled to a portion of the housing by radial clamping, screwing or snap-fastening.
  • the deformable nose is overmolded on a portion of the housing.
  • the deformable nose is assembled to a portion of the housing by radial clamping, screwing or latching.
  • FIG. 1 is a perspective view of a writing instrument according to the presentation
  • FIG. 2 is a sectional view along the plane II-II of Figure 1 when the first writing tip is in the configuration of use;
  • FIGS. 3 and 4 are exploded views of the writing instrument of FIG. 1;
  • FIGS. 5 and 6 are partial sectional views of the writing instrument of FIG. 1 along a sectional plane similar to the sectional plane of FIG. 2 when the first writing tip is in a configuration of use. and the second write tip is in use configuration, respectively.
  • Figure 1 shows a writing instrument 10 comprises a housing 12 extending in a longitudinal direction L and having a radial direction and a cap 14 assembled on a front end of the housing 12.
  • the housing 12 comprises a rear housing 12A and a front housing 12B, the rear housing 12A and the front housing 12B being assembled to one another by snapping and being movable in rotation about the longitudinal direction L relative to each other.
  • front and rear will be included with reference to these rear cases 12A and 12B front in the longitudinal direction L.
  • the rear housing 12A comprises at a rear end 12H of the rear housing 12A a rear port 12G closed by a plug 12F.
  • the housing 12 of the writing instrument 10 also has a deformable nose 16 and an assembly ring 18 of the deformable nose 16 on a portion of the housing 12, in the embodiment of Figure 1 on one end. before 12C of the front housing 12B.
  • the deformable nose 16 has at least one slot 16A extending in the longitudinal direction L.
  • the deformable nose 16 has four slots 16A defining four tabs 16B.
  • the four tabs 16B extend in the longitudinal direction L from a receiving portion 16C of the deformable nose 16 with the assembly ring 18.
  • the assembly ring 18 comprises a receiving portion 18A of the ring of assembly 18 with the deformable nose 16, in particular the receiving portion 16C of the deformable nose 16 and an assembly portion 18B of the assembly ring 18 on a portion of the housing 12, in particular the front end 12C of the front housing 12B.
  • the writing instrument 10 comprises two concentric writing tips, a first writing tip 20 and a second writing tip 22, the second writing tip 22 being arranged around the first tip of the writing device. 20.
  • the first and second writing tips 20, 22 are received in the housing 12.
  • Each writing tip, i.e., the first writing tip 20 and the second writing tip 22 can take a configuration of use in which the writing tip protrudes from the housing 12, in particular the deformable nose 16.
  • the first writing tip 20 is a fixed writing tip, for example a ball writing tip mounted on an ink tank 20A and the second tip 22 is a movable tip between a retracted configuration illustrated in FIGS. 2 and 5 and a use configuration illustrated in FIG. 6.
  • the second writing tip 22 may be a highlighter mounted on a storage tank. 22A.
  • the writing instrument 10 comprises a retaining and sealing sleeve 24 disposed around the second writing tip 22 and the reservoir 22A. As shown, the second writing tip is disposed around the first writing tip 20 and the reservoir 22A of the second writing tip 22 is disposed around the reservoir 20A of the first writing tip 20.
  • the deformable nose 16 has an outlet port 16D of the first and second writing spikes 20, 22, the diameter of the outlet orifice D16 being greater than the diameter D20 of the first tip 20 and less than the diameter D22 of the second writing tip 22.
  • the deformable nose 16 When the first writing tip 20 is in use configuration, that is to say when the first writing tip 20 protrudes from the housing 12, in particular the deformable nose 16, and the second writing tip 22 is in retracted configuration, the diameter of the outlet orifice D16 being greater than the diameter D20 of the first writing tip 20, the deformable nose 16 is not deformed.
  • the deformable nose 16 is deformed. More specifically, the tabs 16B are deformed at least in the radial direction R so as to pass the second writing tip 22.
  • the second writing tip 22 projects from the housing 12 more significantly than the first tip
  • the writing surface of the second writing tip 22 can be used on a writing medium without the first writing tip 20 being able to touch this writing medium.
  • the first writing tip 20 is not in the configuration of use.
  • the writing instrument 10 also includes a mechanism 26 for passing the second writing tip 22 of the retracted configuration to the configuration of use.
  • the mechanism 26 includes a rear member 26A and a front member 26B.
  • the front element 26B has two tabs 26C which cooperate with windows 12E disposed on a rear end 12D of the front casing 12B of the writing instrument 10 so that the front element 26B is locked in rotation with respect to the front casing 12B.
  • the rear element 26A is fixed in rotation and in translation relative to the rear housing 12A. For example, the rear element 26A is immobilized by clamping in the rear end 12H of the rear housing 12A.
  • the rear element 26A comprises a lug 26D which cooperates with a cam surface 26E of the front element 26B of so that a rotational movement of the front element 26B relative to the rear element 26A is transformed into a translational movement in the longitudinal direction L of the second writing tip 22.
  • the front element 26B comprises a bearing surface 26F of the front element 26B on the reservoir 22A of the second writing tip 22.
  • the deformable nose is preferably made of a relatively flexible material, such as a material having a Shore hardness greater than or equal to 22 Shore A, preferably greater than or equal to 60 Shore A and less than or equal to 90 Shore A, preferably less than or equal to 80 Shore.
  • the deformable nose 16 may be thermoplastic elastomer, thermoplastic polyurethane or silicone.
  • a thermoplastic elastomer mention may be made of SBS, SEBS and / or EPDM. This list is not exhaustive.
  • the assembly ring 18 is made of a more rigid material than the material of the deformable nose 16.
  • the material of the assembly ring 18 being more rigid than the material of the deformable nose 16, it is easier to assemble the assembly ring 18 on the front housing 12B that the deformable nose 16 directly on the housing before 12B.
  • the assembly ring 18 can be assembled on the front casing 12B by radial clamping, by screwing or by snapping.
  • the deformable nose 16 may also be directly attached to the front housing 12B.
  • the deformable nose 16 may be overmolded on a portion of the housing or be assembled on a portion of the housing by radial clamping, screwing or latching.
  • the deformable nose 16 may be overmoulded on the assembly ring 18 or assembled on the assembly ring 18 by radial clamping. by screwing or snapping.
  • the rear element 26A of the mechanism 26 making it possible to pass the second writing tip 22 from the retracted configuration to the use configuration being fixed with respect to the rear casing 12A, the lug 26D carried by the rear element 26A traverses the cam surface 26E so that the rotational movement of the front casing 12B relative to the rear casing 12A is converted into a translation movement towards the front of the second writing tip 22.
  • the front casing 12B is rotated in the opposite direction with respect to the rear casing 12A and, under the force of a return spring 26G, resting on the second writing tip 22 and on a seat 18C of the assembly ring 18 of the return spring 26G, the second writing tip takes its retracted configuration in the housing 12. It is then possible to use the first writing tip 20.
  • the front portion of the housing that is to say the deformable nose 16 or the set formed by the deformable nose 16 and the assembly ring 18 can be disassembled to allow changing the first writing tip 20 and / or the second writing tip 22 when the reservoir 20A of the first writing tip 20 and / or the reservoir 22A of the second writing tip 22 is empty. It is also possible to change the color of the first and / or the second writing tip 20, 22.
  • the first write tip might not be fixed and could take a configuration of use and a retracted configuration.
  • the mechanism for passing the second writing tip of the configuration retracted to the usage configuration is given for informational purposes. It is not limiting.
  • the deformable nose is presented with four slots. It could only present a slot.

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Pens And Brushes (AREA)

Abstract

The invention relates to a writing instrument (10) comprising a housing (12) extending in a longitudinal direction (L) and having a radial direction, the writing instrument (10) comprising a first concentric writing tip (20) and a second concentric writing tip (22), the second writing tip (22) being arranged around the first writing tip (20), each writing tip being received in the housing (12) and being able to assume a position of use, wherein the writing tip protrudes from the housing (12), the housing (12) comprising, at a longitudinal end, a deformable nose (16) at least in the radial direction, the deformable nose (16) comprising at least one slit extending in the longitudinal direction, the deformable nose (16) not being deformed when only the first writing tip (20) is in the position of use and the deformable nose (16) being deformed when the second writing tip (22) is in the position of use and the deformable nose (16) comprising an outlet opening for the first and second writing tips, the diameter of the outlet opening being greater than the diameter of the first writing tip and smaller than the diameter of the second writing tip.

Description

INSTRUMENT D'ECRITURE COMPRENANT PEUX POINTES D'ECRITURE CONCENTRIQUES  WRITING INSTRUMENT COMPRISING TWO CONCENTRIC WRITE POINTS
Arrière-plan de l'invention [0001] Le présent exposé concerne un instrument d'écriture comprenant deux pointes d'écritures concentriques, la deuxième pointe d'écriture étant disposée autour de la première pointe d'écriture.  BACKGROUND OF THE INVENTION [0001] The present disclosure relates to a writing instrument comprising two concentric writing tips, the second writing tip being disposed around the first writing tip.
[0002] Les deux pointes étant concentriques l'une par rapport à l'autre, l'instrument d'écriture comporte un carter présentant à une extrémité longitudinale du carter une ouverture permettant aux pointes d'écriture de prendre une configuration d'utilisation, en particulier la deuxième pointe d'écriture. L'ouverture est suffisamment large pour laisser passer la deuxième pointe d'écriture.  The two points being concentric with respect to each other, the writing instrument comprises a housing having at one longitudinal end of the housing an opening allowing the writing tips to take a configuration of use, in particular the second writing tip. The opening is wide enough to let the second writing tip.
[0003] Cependant, une telle ouverture est généralement grande comparée à l'ouverture d'un instrument d'écriture ne comprenant qu'une seule pointe d'écriture. De ce fait, l'ouverture peut permettre, lorsque la deuxième pointe d'écriture n'est pas en configuration d'utilisation, c'est-à- dire lorsque la deuxième pointe d'écriture est rétractée dans le carter de l'instrument d'écriture, l'entrée de corps étrangers dans le carter de l'instrument d'écriture ou l'évaporation accélérée de certaines substances qui entrent dans la composition des encres, ce qui n'est pas souhaitable.  However, such an opening is generally large compared to the opening of a writing instrument comprising only a single writing tip. As a result, the opening may allow, when the second writing tip is not in the configuration of use, that is to say when the second writing tip is retracted into the housing of the instrument of writing, the entry of foreign bodies into the casing of the writing instrument or the accelerated evaporation of certain substances that go into the composition of the inks, which is undesirable.
[0004] Par ailleurs, lorsque seule la première pointe d'écriture est en configuration d'utilisation, c'est-à-dire lorsque la première pointe d'écriture fait saillie du carter et que la deuxième pointe d'écriture est rétractée dans le carter, l'ouverture est relativement large par rapport à la première pointe d'écriture, un jeu relativement important étant présent entre la première pointe d'écriture et la partie du carter formant l'ouverture, ce qui procure un effet visuel inhabituel pour l'utilisateur. Cet effet visuel inhabituel peut le perturber ou l'utilisateur peut trouver cet instrument d'écriture peu agréable visuellement à utiliser ou peu ergonomique, notamment lors de l'utilisation de la première pointe d'écriture.  Furthermore, when only the first write tip is in use configuration, that is to say when the first writing tip protrudes from the housing and the second writing tip is retracted into the housing, the opening is relatively wide relative to the first writing tip, a relatively large clearance being present between the first writing tip and the portion of the housing forming the opening, which provides an unusual visual effect for the user. This unusual visual effect may disturb or the user may find this writing instrument visually uncomfortable to use or poorly ergonomic, especially when using the first writing tip.
Objet et résumé de l'invention [0005] Le présent exposé vise à remédier au moins en partie à ces inconvénients. OBJECT AND SUMMARY OF THE INVENTION [0005] The present disclosure aims at remedying at least part of these disadvantages.
[0006] A cet effet, le présent exposé concerne un instrument d'écriture comprenant un carter s'étendant selon une direction longitudinale et présentant une direction radiale, l'instrument d'écriture comprenant une première pointe d'écriture et une deuxième pointe d'écriture concentriques, la deuxième pointe d'écriture étant disposée autour de la première pointe d'écriture, chaque pointe d'écriture étant reçue dans le carter et pouvant prendre une configuration d'utilisation dans laquelle la pointe d'écriture fait saillie du carter, le carter comprenant, à une extrémité longitudinale, un nez déformable au moins selon la direction radiale, le nez déformable comprenant au moins une fente s'étendant selon la direction longitudinale, le nez déformable n'étant pas déformé lorsque seule la première pointe d'écriture est en configuration d'utilisation et le nez déformable étant déformé lorsque la deuxième pointe d'écriture est en configuration d'utilisation et le nez déformable comprenant un orifice de sortie des première et deuxième pointes d'écritures, le diamètre de l'orifice de sortie étant supérieur au diamètre de la première pointe d'écriture et inférieur au diamètre de la deuxième pointe d'écriture. For this purpose, the present disclosure relates to a writing instrument comprising a housing extending in a longitudinal direction and having a radial direction, the writing instrument comprising a first writing tip and a second concentric writing tip, the second writing tip being disposed around the first writing tip, each writing tip being received in the housing and can take a configuration of use in which the writing tip protrudes from the housing, the housing comprising, at one longitudinal end, a deformable nose at least in the radial direction, the deformable nose comprising at least one slot extending in the longitudinal direction, the deformable nose not being deformed when only the first writing tip is in use configuration and the deformable nose being deformed when the second writing tip is in use configuration and the deformable nose comprising an outlet orifice of the first and second writing tips, the diameter of the outlet orifice is nt greater than the diameter of the first writing tip and less than the diameter of the second writing tip.
[0007] Grâce à la présence d'un nez déformable qui n'est pas déformé lorsque seule la première pointe d'écriture est en configuration d'utilisation et qui est déformé lorsque la deuxième pointe d'écriture est en configuration d'utilisation, l'ouverture par laquelle la première pointe d'écriture fait saille en configuration d'utilisation de la première pointe d'écriture présente un diamètre selon la direction radiale inférieur à un diamètre de la deuxième pointe d'écriture.  With the presence of a deformable nose which is not deformed when only the first writing tip is in use configuration and which is deformed when the second writing tip is in use configuration, the opening by which the first writing tip projects into the use configuration of the first writing tip has a diameter in the radial direction less than a diameter of the second writing tip.
[0008] L'ouverture présentant un diamètre inférieur au diamètre de la deuxième pointe d'écriture, les corps étrangers peuvent pénétrer beaucoup plus difficilement dans le carter et ce, même lorsque la deuxième pointe d'écriture est rétractée dans le carter de l'instrument d'écriture. On comprend que le diamètre de l'ouverture est mesuré lorsque le nez déformable est en configuration non déformée.  The opening having a diameter smaller than the diameter of the second writing tip, the foreign bodies can penetrate much more difficult in the housing and this, even when the second writing tip is retracted into the housing of the writing instrument. It is understood that the diameter of the opening is measured when the deformable nose is in undistorted configuration.
[0009] En outre, lors de l'utilisation de la première pointe d'écriture, le jeu entre la première pointe d'écriture et le nez déformable est réduit par rapport à un instrument d'écriture comportant deux pointes d'écritures concentriques et un nez non déformable, si bien que l'aspect pour l'utilisateur est sensiblement équivalent à l'aspect d'un instrument d'écriture ne comportant qu'une seule pointe d'écriture et/ou plusieurs pointes d'écritures non concentriques. [0010] Lorsque la deuxième pointe d'écriture est en configuration d'utilisation, le nez déformable se déforme grâce à la présence de la fente s'étendant selon la direction longitudinale présente dans le nez déformable. In addition, when using the first writing tip, the clearance between the first writing tip and the deformable nose is reduced compared to a writing instrument having two concentric writing tips and a non-deformable nose, so that the appearance for the user is substantially equivalent to the appearance of a writing instrument having only one writing tip and / or several nonconcentric writing tips. When the second writing tip is in use configuration, the deformable nose is deformed due to the presence of the slot extending in the longitudinal direction present in the deformable nose.
[0011] Dans certains modes de réalisation, la première pointe d'écriture est fixe.  In some embodiments, the first write tip is fixed.
[0012] La première pointe d'écriture fait saillie en permanence du carter et seule la deuxième pointe d'écriture est mobile entre la configuration d'utilisation et une configuration rétractée. L'instrument d'écriture ne comporte donc qu'un mécanisme d'avance et de sortie de la deuxième pointe d'écriture. L'instrument d'écriture est moins complexe qu'un instrument d'écriture comprenant un mécanisme d'avance et de sortie de chaque pointe d'écriture.  The first writing tip protrudes continuously from the housing and only the second writing tip is movable between the use configuration and a retracted configuration. The writing instrument therefore has only one mechanism for feeding and outputting the second writing tip. The writing instrument is less complex than a writing instrument comprising an advance and exit mechanism of each writing tip.
[0013] Dans certains modes de réalisation, la deuxième pointe d'écriture est en matériau poreux, par exemple un feutre ou un matériau poreux fritté.  In some embodiments, the second writing tip is of porous material, for example a felt or sintered porous material.
[0014] La deuxième pointe d'écriture est ainsi mieux protégée contre des corps étrangers, tels que de la poussière par exemple, et la deuxième pointe d'écriture est moins sujette au séchage. En effet, l'ouverture réduite du nez déformable lorsque la deuxième pointe d'écriture n'est pas en configuration d'utilisation, c'est-à-dire lorsque la deuxième pointe d'écriture est rétractée dans le carter de l'instrument d'écriture, protège la deuxième pointe d'écriture contre les corps étrangers et réduit la circulation d'air autour de la deuxième pointe d'écriture.  The second writing tip is thus better protected against foreign bodies, such as dust, for example, and the second writing tip is less prone to drying. Indeed, the reduced opening of the deformable nose when the second writing tip is not in use configuration, that is to say when the second writing tip is retracted into the housing of the instrument writing, protects the second writing tip against foreign matter and reduces the air flow around the second writing tip.
[0015] Dans certains modes de réalisation, le nez déformable comprend quatre fentes s'étendant selon la direction longitudinale.  In some embodiments, the deformable nose comprises four slots extending in the longitudinal direction.
[0016] La présence de quatre fentes est un mode avantageux de réalisation du nez déformable. Les quatre fentes définissent quatre pattes dans le nez déformable, les quatre pattes pouvant se déformer au moins selon la direction radiale et permettre une déformation plus importante de chaque patte et ce, tout en limitant le nombre de fentes portées par le nez déformable.  The presence of four slots is an advantageous embodiment of the deformable nose. The four slots define four tabs in the deformable nose, the four tabs being deformable at least in the radial direction and allow greater deformation of each leg and this, while limiting the number of slots carried by the deformable nose.
[0017] Dans certains modes de réalisation, le nez déformable présente une dureté Shore supérieure ou égale à 20 Shore A, de préférence supérieure ou égale à 60 Shore A et inférieure ou égale à 90 Shore A, de préférence inférieure ou égale à 80 Shore A. [0018] Dans certains modes de réalisation, le nez déformable est en élastomère thermoplastique, en polyuréthane thermoplastique ou en silicone. In some embodiments, the deformable nose has a Shore hardness greater than or equal to 20 Shore A, preferably greater than or equal to 60 Shore A and less than or equal to 90 Shore A, preferably less than or equal to 80 Shore AT. In some embodiments, the deformable nose is thermoplastic elastomer, thermoplastic polyurethane or silicone.
[0019] Dans certains modes de réalisation, l'élastomère thermoplastique est à base de SBS, SEBS et/ou d'EPDM.  In some embodiments, the thermoplastic elastomer is based on SBS, SEBS and / or EPDM.
[0020] Le SBS est un polystyrène-b-polybutadiène-b-polystyrène, le SEBS est un polystyrène-b-poly(éthylène-butylène)-b-polystyrène et l'EPD est un éthylène-propylène-diène monomère.  SBS is polystyrene-b-polybutadiene-b-polystyrene, SEBS is a polystyrene-b-poly (ethylene-butylene) -b-polystyrene and EPD is an ethylene-propylene-diene monomer.
[0021] Dans certains modes de réalisation, l'instrument d'écriture comprend une bague d'assemblage du nez déformable avec une partie du carter, le nez déformable comportant une portion de réception de la bague d'assemblage.  In some embodiments, the writing instrument comprises a deformable nose assembly ring with a portion of the housing, the deformable nose having a receiving portion of the assembly ring.
[0022] Le nez déformable peut être rapporté sur la bague d'assemblage qui peut elle-même être rapportée sur une partie du carter afin de former le carter.  The deformable nose can be attached to the assembly ring which can itself be attached to a portion of the housing to form the housing.
[0023] Dans certains modes de réalisation, le nez déformable est surmoulé sur la bague d'assemblage.  In some embodiments, the deformable nose is overmolded on the assembly ring.
[0024] Dans certains modes de réalisation, le nez déformable est assemblé sur la bague d'assemblage par serrage radial, par vissage ou par encliquetage.  In some embodiments, the deformable nose is assembled on the assembly ring by radial clamping, screwing or latching.
[0025] Dans certains modes de réalisation, la bague d'assemblage est dans un matériau plus rigide que le matériau du nez déformable.  In some embodiments, the assembly ring is in a more rigid material than the material of the deformable nose.
[0026] Dans certains modes de réalisation, la bague d'assemblage est assemblée à une partie du carter par serrage radial, par vissage ou par encliquetage.  In some embodiments, the assembly ring is assembled to a portion of the housing by radial clamping, screwing or snap-fastening.
[0027] Dans certains modes de réalisation, le nez déformable est surmoulé sur une partie du carter.  In some embodiments, the deformable nose is overmolded on a portion of the housing.
[0028] Dans certains modes de réalisation, le nez déformable est assemblé à une partie du carter par serrage radial, par vissage ou par encliquetage.  In some embodiments, the deformable nose is assembled to a portion of the housing by radial clamping, screwing or latching.
Brève description des dessins Brief description of the drawings
[0029] D'autres caractéristiques et avantages de l'invention ressortiront de la description suivante de modes de réalisation de l'invention, donnés à titre d'exemples non limitatifs, en référence aux figures annexées, sur lesquelles : Other features and advantages of the invention will become apparent from the following description of embodiments of the invention, given in FIG. As non-limiting examples, with reference to the appended figures, in which:
- la figure 1 est une vue en perspective d'un instrument d'écriture selon l'exposé ;  - Figure 1 is a perspective view of a writing instrument according to the presentation;
- la figure 2 est une vue en coupe selon le plan II-II de la figure 1 lorsque la première pointe d'écriture est en configuration d'utilisation ;  - Figure 2 is a sectional view along the plane II-II of Figure 1 when the first writing tip is in the configuration of use;
- les figures 3 et 4 sont des vues explosées de l'instrument d'écriture de la figure 1 ; et  FIGS. 3 and 4 are exploded views of the writing instrument of FIG. 1; and
- les figures 5 et 6 sont des vues partielles en coupe de l'instrument d'écriture de la figure 1 selon un plan de coupe similaire au plan de coupe de la figure 2 lorsque la première pointe d'écriture est en configuration d'utilisation et la deuxième pointe d'écriture est en configuration d'utilisation, respectivement.  FIGS. 5 and 6 are partial sectional views of the writing instrument of FIG. 1 along a sectional plane similar to the sectional plane of FIG. 2 when the first writing tip is in a configuration of use. and the second write tip is in use configuration, respectively.
Description détaillée de l'invention Detailed description of the invention
[0030] La figure 1 représente un instrument d'écriture 10 comprend un carter 12 s'étendant selon une direction longitudinale L et présentant une direction radiale et un capuchon 14 assemblé sur une extrémité avant du carter 12. Figure 1 shows a writing instrument 10 comprises a housing 12 extending in a longitudinal direction L and having a radial direction and a cap 14 assembled on a front end of the housing 12.
[0031] Dans le mode de réalisation des figures 1 à 6, le carter 12 comprend un carter arrière 12A et un carter avant 12B, le carter arrière 12A et le carter avant 12B étant assemblé l'un à l'autre par encliquetage et étant mobiles en rotation autour de la direction longitudinale L l'un par rapport à l'autre.  In the embodiment of Figures 1 to 6, the housing 12 comprises a rear housing 12A and a front housing 12B, the rear housing 12A and the front housing 12B being assembled to one another by snapping and being movable in rotation about the longitudinal direction L relative to each other.
[0032] Par la suite, les termes « avant » et « arrière » seront compris en référence à ces carters arrière 12A et avant 12B selon la direction longitudinale L.  Subsequently, the terms "front" and "rear" will be included with reference to these rear cases 12A and 12B front in the longitudinal direction L.
[0033] Le carter arrière 12A comporte à une extrémité arrière 12H du carter arrière 12A un orifice arrière 12G fermé par un bouchon 12F.  The rear housing 12A comprises at a rear end 12H of the rear housing 12A a rear port 12G closed by a plug 12F.
[0034] Le carter 12 de l'instrument d'écriture 10 comporte aussi un nez déformable 16 et une bague d'assemblage 18 du nez déformable 16 sur une partie du carter 12, dans le mode de réalisation de la figure 1 sur une extrémité avant 12C du carter avant 12B. Le nez déformable 16 comporte au moins une fente 16A s'étendant selon la direction longitudinale L. Dans le mode de réalisation des figures 1 à 6, le nez déformable 16 comporte quatre fentes 16A définissant quatre pattes 16B. Les quatre pattes 16B s'étendent selon la direction longitudinale L à partir d'une portion de réception 16C du nez déformable 16 avec la bague d'assemblage 18. La bague d'assemblage 18 comporte une portion de réception 18A de la bague d'assemblage 18 avec le nez déformable 16, en particulier de la portion de réception 16C du nez déformable 16 et une portion d'assemblage 18B de la bague d'assemblage 18 sur une partie du carter 12, en particulier de l'extrémité avant 12C du carter avant 12B. The housing 12 of the writing instrument 10 also has a deformable nose 16 and an assembly ring 18 of the deformable nose 16 on a portion of the housing 12, in the embodiment of Figure 1 on one end. before 12C of the front housing 12B. The deformable nose 16 has at least one slot 16A extending in the longitudinal direction L. In the embodiment of Figures 1 to 6, the deformable nose 16 has four slots 16A defining four tabs 16B. The four tabs 16B extend in the longitudinal direction L from a receiving portion 16C of the deformable nose 16 with the assembly ring 18. The assembly ring 18 comprises a receiving portion 18A of the ring of assembly 18 with the deformable nose 16, in particular the receiving portion 16C of the deformable nose 16 and an assembly portion 18B of the assembly ring 18 on a portion of the housing 12, in particular the front end 12C of the front housing 12B.
[0035] L'instrument d'écriture 10 comporte deux pointes d'écritures concentriques, une première pointe d'écriture 20 et une deuxième pointe d'écriture 22, la deuxième pointe d'écriture 22 étant disposée autour de la première pointe d'écriture 20. La première et la deuxième pointe d'écriture 20, 22 sont reçues dans le carter 12. Chaque pointe d'écriture, c'est-à-dire la première pointe d'écriture 20 et la deuxième pointe d'écriture 22, peut prendre une configuration d'utilisation dans laquelle la pointe d'écriture fait saillie du carter 12, en particulier du nez déformable 16.  The writing instrument 10 comprises two concentric writing tips, a first writing tip 20 and a second writing tip 22, the second writing tip 22 being arranged around the first tip of the writing device. 20. The first and second writing tips 20, 22 are received in the housing 12. Each writing tip, i.e., the first writing tip 20 and the second writing tip 22 can take a configuration of use in which the writing tip protrudes from the housing 12, in particular the deformable nose 16.
[0036] Dans le mode de réalisation des figures 1 à 6, la première pointe d'écriture 20 est une pointe d'écriture fixe, par exemple une pointe d'écriture à bille montée sur un réservoir d'encre 20A et la deuxième pointe d'écriture 22 est une pointe mobile entre une configuration rétractée illustrée sur les figures 2 et 5 et une configuration d'utilisation illustrée sur la figure 6. Par exemple, la deuxième pointe d'écriture 22 peut être un surligneur monté sur un réservoir d'encre 22A. Afin d'assurer le maintien et l'étanchéité entre le réservoir d'encre 22A et la deuxième pointe d'écriture 22 et de réduire la surface d'évaporation de la deuxième pointe d'écriture 22, l'instrument d'écriture 10 comporte une chemise de maintien et d'étanchéité 24 disposée autour de la deuxième pointe d'écriture 22 et du réservoir 22A. Comme cela est représenté, la deuxième pointe d'écriture est disposée autour de la première pointe d'écriture 20 et le réservoir 22A de la deuxième pointe d'écriture 22 est disposé autour du réservoir 20A de la première pointe d'écriture 20.  In the embodiment of Figures 1 to 6, the first writing tip 20 is a fixed writing tip, for example a ball writing tip mounted on an ink tank 20A and the second tip 22 is a movable tip between a retracted configuration illustrated in FIGS. 2 and 5 and a use configuration illustrated in FIG. 6. For example, the second writing tip 22 may be a highlighter mounted on a storage tank. 22A. In order to maintain and seal between the ink reservoir 22A and the second writing tip 22 and to reduce the evaporation surface of the second writing tip 22, the writing instrument 10 comprises a retaining and sealing sleeve 24 disposed around the second writing tip 22 and the reservoir 22A. As shown, the second writing tip is disposed around the first writing tip 20 and the reservoir 22A of the second writing tip 22 is disposed around the reservoir 20A of the first writing tip 20.
[0037] Le nez déformable 16 comporte un orifice de sortie 16D des première et deuxième pointes d'écritures 20, 22, le diamètre de l'orifice de sortie D16 étant supérieur au diamètre D20 de la première pointe d'écriture 20 et inférieur au diamètre D22 de la deuxième pointe d'écriture 22. The deformable nose 16 has an outlet port 16D of the first and second writing spikes 20, 22, the diameter of the outlet orifice D16 being greater than the diameter D20 of the first tip 20 and less than the diameter D22 of the second writing tip 22.
[0038] Lorsque la première pointe d'écriture 20 est en configuration d'utilisation, c'est-à-dire lorsque la première pointe d'écriture 20 fait saillie du carter 12, en particulier du nez déformable 16, et que la deuxième pointe d'écriture 22 est en configuration rétractée, le diamètre de l'orifice de sortie D16 étant supérieur au diamètre D20 de la première pointe d'écriture 20, le nez déformable 16 n'est pas déformé.  When the first writing tip 20 is in use configuration, that is to say when the first writing tip 20 protrudes from the housing 12, in particular the deformable nose 16, and the second writing tip 22 is in retracted configuration, the diameter of the outlet orifice D16 being greater than the diameter D20 of the first writing tip 20, the deformable nose 16 is not deformed.
[0039] Lorsque la deuxième pointe d'écriture 22 est en configuration d'utilisation, c'est-à-dire lorsque la deuxième pointe d'écriture fait saillie du carter 12, le diamètre de l'orifice de sortie D16 étant inférieur au diamètre D22 de la deuxième pointe d'écriture 22, le nez déformable 16 est déformé. Plus spécifiquement, les pattes 16B sont déformées au moins selon la direction radiale R afin de laisser passer la deuxième pointe d'écriture 22.  When the second writing tip 22 is in use configuration, that is to say when the second writing tip protrudes from the housing 12, the diameter of the outlet port D16 being less than D22 diameter of the second writing tip 22, the deformable nose 16 is deformed. More specifically, the tabs 16B are deformed at least in the radial direction R so as to pass the second writing tip 22.
[0040] On notera que la première pointe d'écriture 20 étant fixe, en configuration d'utilisation de la deuxième pointe d'écriture 22, la deuxième pointe d'écriture 22 fait saillie du carter 12 de façon plus importante que la première pointe d'écriture 20. Ainsi, la surface utilisée pour écrire de la deuxième pointe d'écriture 22 peut être utilisée sur un support d'écriture sans que la première pointe d'écriture 20 ne puisse toucher ce support d'écriture. Aussi, bien que faisant saillie du carter 12, lorsque la deuxième pointe d'écriture 22 est en configuration d'utilisation, la première pointe d'écriture 20 n'est pas en configuration d'utilisation.  Note that the first writing tip 20 being fixed, in the configuration of use of the second writing tip 22, the second writing tip 22 projects from the housing 12 more significantly than the first tip Thus, the writing surface of the second writing tip 22 can be used on a writing medium without the first writing tip 20 being able to touch this writing medium. Also, although protruding from the housing 12, when the second writing tip 22 is in use configuration, the first writing tip 20 is not in the configuration of use.
[0041] L'instrument d'écriture 10 comporte aussi un mécanisme 26 permettant de faire passer la deuxième pointe d'écriture 22 de la configuration rétractée à la configuration d'utilisation. Le mécanisme 26 comprend un élément arrière 26A et un élément avant 26B. L'élément avant 26B comporte deux pattes 26C qui coopèrent avec des fenêtres 12E disposées sur une extrémité arrière 12D du carter avant 12B de l'instrument d'écriture 10 de sorte que l'élément avant 26B est bloqué en rotation par rapport au carter avant 12B. L'élément arrière 26A est fixe en rotation et en translation par rapport au carter arrière 12A. Par exemple, l'élément arrière 26A est immobilisé par serrage dans l'extrémité arrière 12H du carter arrière 12A. L'élément arrière 26A comprend un ergot 26D qui coopère avec une surface de came 26E de l'élément avant 26B de sorte qu'un mouvement de rotation de l'élément avant 26B par rapport à l'élément arrière 26A se transforme en un mouvement de translation selon la direction longitudinale L de la deuxième pointe d'écriture 22. En effet, l'élément avant 26B comporte une surface d'appui 26F de l'élément avant 26B sur le réservoir 22A de la deuxième pointe d'écriture 22. The writing instrument 10 also includes a mechanism 26 for passing the second writing tip 22 of the retracted configuration to the configuration of use. The mechanism 26 includes a rear member 26A and a front member 26B. The front element 26B has two tabs 26C which cooperate with windows 12E disposed on a rear end 12D of the front casing 12B of the writing instrument 10 so that the front element 26B is locked in rotation with respect to the front casing 12B. The rear element 26A is fixed in rotation and in translation relative to the rear housing 12A. For example, the rear element 26A is immobilized by clamping in the rear end 12H of the rear housing 12A. The rear element 26A comprises a lug 26D which cooperates with a cam surface 26E of the front element 26B of so that a rotational movement of the front element 26B relative to the rear element 26A is transformed into a translational movement in the longitudinal direction L of the second writing tip 22. Indeed, the front element 26B comprises a bearing surface 26F of the front element 26B on the reservoir 22A of the second writing tip 22.
[0042] On comprend que le nez déformable est préférentiellement réalisé en un matériau relativement souple, tel qu'un matériau présentant une dureté Shore supérieure ou égale à 22 Shore A, de préférence supérieure ou égale à 60 Shore A et inférieure ou égale à 90 Shore A, de préférence inférieure ou égale à 80 Shore. Par exemple, le nez déformable 16 peut être en élastomère thermoplastique, en polyuréthane thermoplastique ou en silicone. Comme exemple d'élastomère thermoplastique, on peut citer le SBS, le SEBS et/ou l'EPDM. Cette liste n'est pas exhaustive.  It is understood that the deformable nose is preferably made of a relatively flexible material, such as a material having a Shore hardness greater than or equal to 22 Shore A, preferably greater than or equal to 60 Shore A and less than or equal to 90 Shore A, preferably less than or equal to 80 Shore. For example, the deformable nose 16 may be thermoplastic elastomer, thermoplastic polyurethane or silicone. As an example of a thermoplastic elastomer, mention may be made of SBS, SEBS and / or EPDM. This list is not exhaustive.
[0043] De préférence, la bague d'assemblage 18 est réalisée dans un matériau plus rigide que le matériau du nez déformable 16.  Preferably, the assembly ring 18 is made of a more rigid material than the material of the deformable nose 16.
[0044] Le matériau de la bague d'assemblage 18 étant plus rigide que le matériau du nez déformable 16, il est plus aisé d'assembler la bague d'assemblage 18 sur le carter avant 12B que le nez déformable 16 directement sur le carter avant 12B. La bague d'assemblage 18 peut être assemblée sur le carter avant 12B par serrage radial, par vissage ou par encliquetage.  The material of the assembly ring 18 being more rigid than the material of the deformable nose 16, it is easier to assemble the assembly ring 18 on the front housing 12B that the deformable nose 16 directly on the housing before 12B. The assembly ring 18 can be assembled on the front casing 12B by radial clamping, by screwing or by snapping.
[0045] Le nez déformable 16 peut également être directement rapporté sur le carter avant 12B.  The deformable nose 16 may also be directly attached to the front housing 12B.
[0046] Le nez déformable 16 peut être surmoulé sur une partie du carter ou être assemblé sur une partie du carter par serrage radial, par vissage ou par encliquetage.  The deformable nose 16 may be overmolded on a portion of the housing or be assembled on a portion of the housing by radial clamping, screwing or latching.
[0047] De manière similaire lorsque l'instrument d'écriture 10 comporte une bague d'assemblage 18, le nez déformable 16 peut être surmoulé sur la bague d'assemblage 18 ou être assemblé sur la bague d'assemblage 18 par serrage radial, par vissage ou par encliquetage.  Similarly, when the writing instrument 10 comprises an assembly ring 18, the deformable nose 16 may be overmoulded on the assembly ring 18 or assembled on the assembly ring 18 by radial clamping. by screwing or snapping.
[0048] Lorsque l'on souhaite utiliser la deuxième pointe d'écriture 22, on fait pivoter le carter avant 12B par rapport au carter arrière 12A. Cette rotation du carter avant 12B par rapport au carter arrière 12A entraine la rotation de l'élément avant 26B du mécanisme 26 permettant de faire passer la deuxième pointe d'écriture 22 de la configuration rétractée à la configuration d'utilisation, et ce par coopération des pattes 26C de l'élément avant 26B avec les fenêtres 12E du carter avant 12B. L'élément arrière 26A du mécanisme 26 permettant de faire passer la deuxième pointe d'écriture 22 de la configuration rétractée à la configuration d'utilisation étant fixe par rapport au carter arrière 12A, l'ergot 26D porté par l'élément arrière 26A parcourt la surface de came 26E de sorte que le mouvement de rotation du carter avant 12B par rapport au carter arrière 12A est transformé en un mouvement de translation vers l'avant de la deuxième pointe d'écriture 22. When it is desired to use the second writing tip 22, is rotated the front housing 12B relative to the rear housing 12A. This rotation of the front housing 12B relative to the rear housing 12A causes the rotation of the front element 26B of the mechanism 26 for passing the second writing tip 22 of the retracted configuration to the configuration of use, and this by cooperation of the tabs 26C of the front element 26B with the windows 12E of the front housing 12B. The rear element 26A of the mechanism 26 making it possible to pass the second writing tip 22 from the retracted configuration to the use configuration being fixed with respect to the rear casing 12A, the lug 26D carried by the rear element 26A traverses the cam surface 26E so that the rotational movement of the front casing 12B relative to the rear casing 12A is converted into a translation movement towards the front of the second writing tip 22.
[0049] Lorsque l'on souhaite utiliser à nouveau la première pointe d'écriture 20, on fait pivoter en sens inverse le carter avant 12B par rapport au carter arrière 12A et, sous la force d'un ressort de rappel 26G prenant appui sur la deuxième pointe d'écriture 22 et sur un siège 18C de la bague d'assemblage 18 du ressort de rappel 26G, la deuxième pointe d'écriture prend sa configuration rétractée dans le carter 12. On peut alors utiliser la première pointe d'écriture 20.  When it is desired to use the first writing tip 20 again, the front casing 12B is rotated in the opposite direction with respect to the rear casing 12A and, under the force of a return spring 26G, resting on the second writing tip 22 and on a seat 18C of the assembly ring 18 of the return spring 26G, the second writing tip takes its retracted configuration in the housing 12. It is then possible to use the first writing tip 20.
[0050] En outre, lorsque le nez déformable 16 est assemblé par vissage directement ou avec la bague d'assemblage 18 sur une partie du carter, la partie avant du carter, c'est-à-dire le nez déformable 16 ou l'ensemble formé par le nez déformable 16 et la bague d'assemblage 18 peut être démonté pour permettre de changer la première pointe d'écriture 20 et/ou la deuxième pointe d'écriture 22 lorsque le réservoir 20A de la première pointe d'écriture 20 et/ou le réservoir 22A de la deuxième pointe d'écriture 22 est vide. On peut également ainsi changer la couleur de la première et/ou de la deuxième pointe d'écriture 20, 22.  In addition, when the deformable nose 16 is assembled by screwing directly or with the assembly ring 18 on a portion of the housing, the front portion of the housing, that is to say the deformable nose 16 or the set formed by the deformable nose 16 and the assembly ring 18 can be disassembled to allow changing the first writing tip 20 and / or the second writing tip 22 when the reservoir 20A of the first writing tip 20 and / or the reservoir 22A of the second writing tip 22 is empty. It is also possible to change the color of the first and / or the second writing tip 20, 22.
[0051] Quoique le présent exposé ait été décrit en se référant à un exemple de réalisation spécifique, il est évident que des différentes modifications et changements peuvent être effectués sur ces exemples sans sortir de la portée générale de l'invention telle que définie par les revendications. En outre, des caractéristiques individuelles des différents modes de réalisation évoqués peuvent être combinées dans des modes de réalisation additionnels. Par conséquent, la description et les dessins doivent être considérés dans un sens illustratif plutôt que restrictif. Par exemple, la première pointe d'écriture pourrait ne pas être fixe et pourrait prendre une configuration d'utilisation et une configuration rétractée. Le mécanisme permettant de faire passer la deuxième pointe d'écriture de la configuration rétractée à la configuration d'utilisation est donné à titre informatif. Il n'est nullement limitatif. Le nez déformable est présenté avec quatre fentes. Il pourrait ne présenter qu'une fente. Although the present description has been described with reference to a specific embodiment, it is obvious that various modifications and changes can be made to these examples without departing from the general scope of the invention as defined by the claims. In addition, individual features of the various embodiments mentioned can be combined in additional embodiments. Therefore, the description and drawings should be considered in an illustrative rather than restrictive sense. For example, the first write tip might not be fixed and could take a configuration of use and a retracted configuration. The mechanism for passing the second writing tip of the configuration retracted to the usage configuration is given for informational purposes. It is not limiting. The deformable nose is presented with four slots. It could only present a slot.

Claims

REVENDICATIONS
1. Instrument d'écriture (10) comprenant un carter (12) s'étendant selon une direction longitudinale (L) et présentant une direction radiale (R), l'instrument d'écriture (10) comprenant une première pointe d'écriture (20) et une deuxième pointe d'écriture (22) concentriques, la deuxième pointe d'écriture (22) étant disposée autour de la première pointe d'écriture (20), chaque pointe d'écriture (20, 22) étant reçue dans le carter (12) et pouvant prendre une configuration d'utilisation dans laquelle la pointe d'écriture (20, 22) fait saillie du carter (12), le carter (12) comprenant, à une extrémité longitudinale, un nez déformable (16) au moins selon la direction radiale (R), le nez déformable (16) comprenant au moins une fente (16A) s'étendant selon la direction longitudinale (L), le nez déformable (16) n'étant pas déformé lorsque seule la première pointe d'écriture (20) est en configuration d'utilisation et le nez déformable (16) étant déformé lorsque la deuxième pointe d'écriture (22) est en configuration d'utilisation et le nez déformable (16) comprenant un orifice de sortie (16D) des première et deuxième pointes d'écritures (20, 22), le diamètre (D16) de l'orifice de sortie (16D) étant supérieur au diamètre (D20) de la première point d'écriture (20) et inférieur au diamètre (D22) de la deuxième pointe d'écriture (22). A writing instrument (10) comprising a housing (12) extending in a longitudinal direction (L) and having a radial direction (R), the writing instrument (10) comprising a first writing tip (20) and a second concentric writing tip (22), the second writing tip (22) being disposed around the first writing tip (20), each writing tip (20, 22) being received in the housing (12) and can take a configuration of use in which the writing tip (20, 22) protrudes from the housing (12), the housing (12) comprising, at one longitudinal end, a deformable nose ( 16) at least in the radial direction (R), the deformable nose (16) comprising at least one slot (16A) extending in the longitudinal direction (L), the deformable nose (16) not being deformed when only the first writing tip (20) is in use configuration and the deformable nose (16) is deformed when the second writing tip (22) is in use configuration and the deformable nose (16) including an outlet port (16D) of the first and second writing tips (20, 22), the diameter (D16) of the outlet orifice (16D) being larger than the diameter (D20) of the first writing point (20) and smaller than the diameter (D22) of the second writing tip (22).
2. Instrument d'écriture (10) selon la revendication 1, dans lequel la première pointe d'écriture (20) est fixe.  The writing instrument (10) of claim 1, wherein the first writing tip (20) is fixed.
3. Instrument d'écriture (10) selon la revendication 1 ou 2, dans lequel le nez déformable (16) comprend quatre fentes (16A) s'étendant selon la direction longitudinale (L).  Writing instrument (10) according to claim 1 or 2, wherein the deformable nose (16) comprises four slots (16A) extending in the longitudinal direction (L).
4. Instrument d'écriture (10) selon l'une quelconque des revendications 1 à 3, dans lequel le nez déformable (16) présente une dureté Shore supérieure ou égale à 20 Shore A, de préférence supérieure ou égale à 60 Shore A et inférieure ou égale à 90 Shore A, de préférence inférieure ou égale à 80 Shore A.  4. Writing instrument (10) according to any one of claims 1 to 3, wherein the deformable nose (16) has a Shore hardness greater than or equal to 20 Shore A, preferably greater than or equal to 60 Shore A and less than or equal to 90 Shore A, preferably less than or equal to 80 Shore A.
5. Instrument d'écriture (10) selon la revendication 4, dans lequel le nez déformable (16) est en élastomère thermoplastique, en polyuréthane thermoplastique ou en silicone.  Writing instrument (10) according to claim 4, wherein the deformable nose (16) is of thermoplastic elastomer, thermoplastic polyurethane or silicone.
6. Instrument d'écriture (10) selon la revendication 5, dans lequel l'élastomère thermoplastique est à base de SBS, SEBS et/ou d'EPDM. The writing instrument (10) of claim 5, wherein the thermoplastic elastomer is based on SBS, SEBS and / or EPDM.
7. Instrument d'écriture (10) selon l'une quelconque des revendications 1 à 6, comprenant une bague d'assemblage (18) du nez déformable avec une partie du carter et dans lequel le nez déformable (16) comporte une portion de réception (16C) de la bague d'assemblage. 7. Writing instrument (10) according to any one of claims 1 to 6, comprising an assembly ring (18) of the deformable nose with a portion of the housing and wherein the deformable nose (16) comprises a portion of receiving (16C) the assembly ring.
8. Instrument d'écriture (10) selon la revendication 7, dans lequel la bague d'assemblage (18) est dans un matériau plus rigide que le matériau du nez déformable.  The writing implement (10) of claim 7, wherein the assembly ring (18) is of a stiffer material than the deformable nose material.
9. Instrument d'écriture (10) selon la revendication 7 ou 8, dans lequel la bague d'assemblage (18) est assemblée sur une partie du carter par serrage radial, par vissage ou par encliquetage.  Writing instrument (10) according to claim 7 or 8, wherein the connecting ring (18) is assembled on a portion of the housing by radial clamping, screwing or latching.
10. Instrument d'écriture (10) selon l'une quelconque des revendications 1 à 6, dans lequel le nez déformable (16) est surmoulé sur une partie du carter ou assemblé sur une partie du carter par serrage radial, par vissage ou par encliquetage.  10. Writing instrument (10) according to any one of claims 1 to 6, wherein the deformable nose (16) is overmolded on a portion of the housing or assembled on a portion of the housing by radial clamping, screwing or by snap.
EP18782119.4A 2017-09-19 2018-09-17 Writing instrument comprising two concentric writing tips Active EP3684629B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1758663A FR3071192B1 (en) 2017-09-19 2017-09-19 WRITING INSTRUMENT COMPRISING TWO CONCENTRIC WRITE POINTS
PCT/FR2018/052265 WO2019058048A1 (en) 2017-09-19 2018-09-17 Writing instrument comprising two concentric writing tips

Publications (2)

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EP3684629A1 true EP3684629A1 (en) 2020-07-29
EP3684629B1 EP3684629B1 (en) 2021-08-18

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EP18782119.4A Active EP3684629B1 (en) 2017-09-19 2018-09-17 Writing instrument comprising two concentric writing tips

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US (1) US11124013B2 (en)
EP (1) EP3684629B1 (en)
CN (1) CN111051077B (en)
BR (1) BR112020004196B1 (en)
FR (1) FR3071192B1 (en)
MX (1) MX2020002419A (en)
WO (1) WO2019058048A1 (en)

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EP4173838A1 (en) * 2021-10-27 2023-05-03 BIC Violex Single Member S.A. Soft elastomeric seal for a writing instrument
USD1027691S1 (en) * 2022-04-10 2024-05-21 Colorpik Inc Color pick pen
EP4389450A1 (en) * 2022-12-22 2024-06-26 BIC Violex Single Member S.A. Writing instruments

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Publication number Priority date Publication date Assignee Title
US6135660A (en) * 1997-03-27 2000-10-24 The Gillette Company Marking instruments
GB0103238D0 (en) * 2001-02-09 2001-03-28 Bolton Terence W Marker pens
US6964534B2 (en) * 2003-06-26 2005-11-15 Binney & Smith Inc. Retractable writing instrument
JP4812623B2 (en) * 2003-08-18 2011-11-09 サンフォード エル．ピー． Thick-thin multiple width marking tool
US8104983B2 (en) * 2003-11-11 2012-01-31 Societe Bic Combination writing instrument
AR047562A1 (en) * 2003-11-11 2006-01-25 Bic Soc COMBINED WRITING INSTRUMENT
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DE202008014861U1 (en) * 2008-02-08 2009-02-12 Weizsäcker, Fritz von, Prof. Dr. felt-tip pen

Also Published As

Publication number Publication date
EP3684629B1 (en) 2021-08-18
BR112020004196A2 (en) 2020-09-08
FR3071192A1 (en) 2019-03-22
US20200282762A1 (en) 2020-09-10
CN111051077A (en) 2020-04-21
WO2019058048A1 (en) 2019-03-28
MX2020002419A (en) 2020-09-17
US11124013B2 (en) 2021-09-21
BR112020004196B1 (en) 2023-01-31
FR3071192B1 (en) 2019-10-18
CN111051077B (en) 2021-10-12

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