EP2732979B1 - Kugelschreiber-federhalter - Google Patents

Kugelschreiber-federhalter Download PDF

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Publication number
EP2732979B1
EP2732979B1 EP12306432.1A EP12306432A EP2732979B1 EP 2732979 B1 EP2732979 B1 EP 2732979B1 EP 12306432 A EP12306432 A EP 12306432A EP 2732979 B1 EP2732979 B1 EP 2732979B1
Authority
EP
European Patent Office
Prior art keywords
fountain pen
flow passage
ink
striker
section
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.)
Not-in-force
Application number
EP12306432.1A
Other languages
English (en)
French (fr)
Other versions
EP2732979A1 (de
Inventor
Jean Roptin
Christophe Turco
Luca Aquafresca
Gianluca Malaguti
Vincent Prigent
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.)
Louis Vuitton Malletier SA
Original Assignee
Louis Vuitton Malletier 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 Louis Vuitton Malletier SA filed Critical Louis Vuitton Malletier SA
Priority to EP12306432.1A priority Critical patent/EP2732979B1/de
Priority to JP2015542340A priority patent/JP6366596B2/ja
Priority to US14/443,022 priority patent/US9902191B2/en
Priority to PCT/FR2013/052740 priority patent/WO2014076426A2/fr
Publication of EP2732979A1 publication Critical patent/EP2732979A1/de
Application granted granted Critical
Publication of EP2732979B1 publication Critical patent/EP2732979B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B43K5/18—Arrangements for feeding the ink to the nibs
    • B43K5/1818—Mechanical feeding means, e.g. valves; Pumps
    • B43K5/1827—Valves
    • 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
    • B43K5/02—Ink reservoirs
    • 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
    • B43K5/02—Ink reservoirs
    • B43K5/04—Ink reservoirs flexible
    • 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
    • B43K5/02—Ink reservoirs
    • B43K5/14—Exchangeable ink cartridges
    • 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
    • B43K5/18—Arrangements for feeding the ink to the nibs
    • B43K5/1809—Feed bars

Definitions

  • a change in temperature occurs especially when a user is writing, his hand warming the body of the fountain pen.
  • a pressure variation occurs especially during a plane trip, as a result of constant changes in altitude of the aircraft.
  • a fountain pen of the aforementioned type in which a cap is provided to protect the feather when the fountain pen is not used, the cap cooperating with the valve via pins to close the ink flow passage when the cap is in place on the pen.
  • the present invention aims to overcome these disadvantages by providing a fountain pen that facilitates the passage of ink during a writing operation while being waterproof regardless of the conditions to which it is subject.
  • the subject of the invention is a fountain pen of the aforementioned type, characterized in that the connecting part comprises a striker interposed between the valve and the inner chamber and adapted to cooperate with the ink reservoir and allow a ink flow between the ink tank and the pen.
  • an ink tank converter for a fountain pen as defined above, characterized in that it comprises a flexible bag extending along a longitudinal axis and intended to be in fluid communication with the pen through the connecting portion, and a piston slidably mounted along the longitudinal axis and adapted to deform the flexible pouch.
  • the Figure 1 illustrates a fountain pen 10 according to the invention.
  • the fountain pen 10 comprises an elongated hollow body 12, a feather block 14 mounted on the hollow body 12 and a cap 16 adapted to be mounted on the hollow body 12.
  • the hollow body 12 is intended to be gripped by the hand of a user during the normal use of the fountain pen 10, namely during a writing operation.
  • the hollow body 12 has a substantially cylindrical shape extending along a longitudinal axis XX and comprises a first open end 18 and a second closed end 20 opposite the first open end 18.
  • the hollow body 12 defines an inner chamber 22 adapted to receive an ink tank 24 as will be explained in more detail later.
  • the feather block 14 conventionally comprises a feather 26, a conduit 28 for supplying ink to the pen 26 (generally called “feeder”) and a shaft 30 for supporting the pen 26 and the conduit 28.
  • the pen 14 is mounted on the first end 18 of the hollow body 12, in particular by screwing.
  • the pen 14 is of a type well known to those skilled in the art and will therefore not be detailed below.
  • the cap 16 intended to protect the pen 26 when the fountain pen 10 is not used, is adapted to be mounted on the shaft 30 along the longitudinal axis XX and temporarily fixed on the hollow body 12, in particular by means of snap or screwing.
  • the fountain pen 10 further comprises a connecting portion 32 connecting the inner chamber 22 and the pen assembly 26 / conduit 28, and defining an ink flow passage 34 extending along the longitudinal axis XX .
  • the connecting portion 32 comprises a valve 36 opening / closing the ink flow passage 34 and a striker 38 interposed between the valve 36 and the inner chamber 22.
  • valve 36 comprises a tubular member 40 extending along the longitudinal axis XX and delimiting a portion of the ink flow passage 34.
  • the tubular member 40 comprises a first end portion 42 adapted to sealingly receive the corresponding end of the pen assembly 26 / duct 28.
  • the first end portion 42 includes a first portion 44 having a substantially circular inner section, and a second portion 46 adjacent to the first portion 44.
  • the second portion 46 has a substantially circular inner section which is reduced relative to that of the first portion 44.
  • valve 36 is adapted for feather blocks 14 having ends of different dimensions.
  • the tubular member 40 comprises a second end section 48 opposite to the first end portion 42 and adapted to cooperate with the striker 38.
  • the second end portion 48 has a first portion 50 having a substantially circular and constant inner section and a second portion 52 adjacent to the first portion 50.
  • the second portion 52 has a substantially circular inner section that widens from the first portion 50 to the striker 38.
  • the valve 36 comprises a plurality of longitudinal splines 54 formed on the inner surface of the second end section 48.
  • the tubular member 40 comprises a central section 56 connecting the first and second end sections 42, 48.
  • the central section 56 has an inner section of substantially square shape, with a side approximately between 1 mm and 1.50 mm, preferably substantially equal to 1.35 mm.
  • This square shape optimizes the flow of ink through the valve 36.
  • the valve 36 comprises a pair of opposed incisions 58 ( Figure 3 ), of substantially pyramidal shape, formed on two opposite peaks of the square inner section of the central section 56, at its junction with the second end section 48.
  • the incisions 58 facilitate the passage of ink from the ink tank 24 to the pen 14.
  • the valve 36 further comprises a flange 60 surrounding the second portion 52 of the second end portion 48 and adapted to cooperate sealingly with the firing pin 38.
  • the valve 36 comprises two opposite indexing pins 62 extending radially between the first portion 50 of the second end section 48 and the collar 60.
  • the indexing pins 62 are angularly offset about the longitudinal axis XX with respect to the incisions 58, and thus with respect to a diagonal of the square inner section of the central section 56, by an offset angle ⁇ (alpha).
  • the offset angle ⁇ is substantially equal to 20 °.
  • the indexing pins 62 make it possible to optimally position the square inner section of the central section 56 relative to the actuating lugs of the valve 36 as explained below.
  • the valve 36 is adapted to selectively open / close the ink flow passage 34 by elastic deformation of the central section 56.
  • the central section 56 of the valve 36 is elastically deformable between a rest position ( Figure 4 ) in which the ink flow passage 34 is open, and a deformed position ( Figure 5 ) in which the ink flow passage 34 is closed.
  • the inner surfaces of the square inner section of the central section 56 are spaced from each other.
  • the valve 36 is for example made of silicone, the silicone can receive surface treatments and / or physical allowing a better flow of the ink.
  • the fountain pen 10 comprises an actuating device 64 of the valve 36 adapted to deform the central section 56 of the valve 36.
  • the actuating device 64 comprises the cap 16 and a pair of opposed lugs 66 provided on the pen 14.
  • the lugs 66 are arranged in corresponding opposite radial openings 68 formed in the barrel 30 of the pen block 14.
  • the lugs 66 are angularly offset about the longitudinal axis XX relative to the indexing pins 62 of the valve 36 by an angle substantially equal to 90 °.
  • the lugs 66 are angularly offset about the longitudinal axis XX with respect to the incisions 58 of the valve 36, and thus with respect to a diagonal of the square internal section of the central section 56 of the valve 36.
  • This offset angle corresponds to the offset angle ⁇ (alpha).
  • the lugs 66 are slidably mounted relative to the shank 30 along a direction perpendicular to the longitudinal axis XX between an initial position and an active position so as to exert a force on the central section 56 and deform it to close the passage ink flow 34.
  • the lugs 66 In the initial position of the pins 66 shown on the Figure 4 the lugs 66 have one end facing the central section 56 and one opposite end projecting radially from the shank 30.
  • the cap 16 In order to move the lugs 66 to the active position, the cap 16 is threaded onto the barrel 30 along the longitudinal axis XX, the inner surface of the cap 16 then moving the lugs 66 towards each other.
  • the lugs 66 exert a force on the central section 56 so that the central section 56 adopts its deformed position in which the ink flow passage 34 is closed.
  • the central section 56 and the lugs 66 are maintained respectively in their deformed and active positions as long as the cap 16 is snapped or screwed onto the hollow body 12.
  • the fountain pen 10 is thus ready for use.
  • the Figure 6 shows in detail the striker 38 of the connection part 32.
  • the striker 38 is adapted to cooperate with the ink tank 24 and allow an ink flow between the ink tank 24 and the pen assembly 26 / leads 28.
  • the striker 38 comprises a substantially cylindrical tongue 70 extending substantially along the longitudinal axis XX and delimiting a portion of the ink flow passage 34.
  • the tongue 70 has a profile comprising a double hook, or in other words a profile in the form of steps, which makes it possible to increase the ink supply as close as possible to the valve 36.
  • the tongue 70 comprises an end edge 72 having a flat portion 74 extending in a plane substantially perpendicular to the longitudinal axis XX.
  • the end edge 72 comprises, on either side of the flat portion 74, a first portion 76 inclined relative to the longitudinal axis XX towards the opposite end 78 of the tongue 70.
  • the end edge 72 has a first notch or shoulder 80 formed by a second portion 82 substantially parallel to the longitudinal axis XX and extending the first portion 76 towards the opposite end 78, and by a third portion 84 substantially perpendicular to the second portion 82.
  • the end edge 72 has a second stall or shoulder 86 formed by a fourth portion 88 substantially parallel to the longitudinal axis XX and extending the third portion 84 towards the opposite end 78, and by a fifth portion 90 substantially perpendicular to the fourth portion 88.
  • the tongue 70 comprises a plurality of longitudinal grooves 92 made on its inner surface.
  • Splines 92 promote the flow of ink through the ink flow passage 34.
  • the tongue 70 comprises for example 24 splines 92 regularly distributed around the longitudinal axis XX on the inner surface of the tongue 70.
  • the firing pin 38 further comprises a peripheral skirt 94 surrounding the opposite end 78 of the tongue 70 and spaced from the opposite end 78.
  • the space between the opposite end 78 and the peripheral skirt 94 is adapted to sealingly receive the ink tank 24.
  • the peripheral skirt 94 has a chamfer 96 made on the free end of its inner surface which facilitates the mounting of the ink tank 24 on the firing pin 38.
  • the opposite end 78 of the tongue 72 and the peripheral skirt 94 are arranged in sealing contact with the second portion 52 of the second end portion 48 of the valve 36 and with the collar 60.
  • the striker 38 is fixed on the barrel 30 of the pen block 14, for example by screwing, so as to slightly compress the valve 36 and thus provide a seal with the valve 36 without deforming it.
  • Striker 38 is adapted to cooperate with different types of ink tank 24.
  • a 24A converter forming an ink tank is illustrated on the Figure 1 .
  • the converter 24A also called “converter”
  • the converter 24A also called “converter”
  • the converter 24A comprises a flexible pouch 102 extending substantially along the longitudinal axis XX and in fluid communication with the ink flow passage 34.
  • the flexible pouch 102 is deformable and made for example from silicone.
  • the flexible pouch 102 has a volume of between 0.8 and 0.9 mL, preferably substantially equal to 0.85 mL.
  • the converter 24A further comprises a piston 104 slidably mounted along the longitudinal axis XX for deforming the flexible pouch 102, and a piston actuator 106 rotatably mounted around the longitudinal axis XX to move the piston 104.
  • Striker 38 is also adapted to cooperate with an ink tank cartridge.
  • Such a cartridge comprises a rigid tube, an inlet ring disposed at one end of the tube and a closure pad of the tube inserted inside the inlet ring.
  • the inlet ring is intended to be sealingly received on the firing pin 38, in the space between the tongue 70 and the peripheral skirt 94.
  • the inlet ring has an inside diameter greater than the outside diameter of the tongue 70 of the firing pin 38.
  • the inside diameter is between 6.8 mm and 7.3 mm, preferably substantially equal to 7.1 mm.
  • the closure pellet of the tube is inserted into force inside the inlet ring substantially in the center of the inlet ring and extends substantially perpendicular to the longitudinal axis XX before mounting the cartridge on the firing pin. .
  • the off-hook profile of the tongue 70 tilts the pellet and causes it to fall back into the tube, the pellet eventually extending substantially along the longitudinal axis XX while resting on the first hook 80 of the tongue 70.
  • the inner surface of the tube may comprise longitudinal grooves to more effectively drain the ink towards the inlet ring.
  • the invention therefore proposes a fountain pen which is sealed in the closed position whatever the conditions to which it is subjected, in particular conditions of variation of temperature and / or pressure, and which ensures an optimal circulation of the ink reservoir. ink to the pen.
  • valve and striker and their relative arrangement not only limit ink leakage at the time of opening the cap but also improve the passage of ink in the fountain pen .
  • the fountain pen according to the invention with its "universal" striker is applicable to different types of removable ink tanks, namely converters as well as cartridges.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)

Claims (15)

  1. Füllfederhalter (10), umfassend:
    - einen länglichen Hohlkörper (12), der eine innere Kammer (22) begrenzt, welche dazu angepasst ist, ein Tintenreservoir (24, 24A) aufzunehmen,
    - eine an einem ersten Ende (18) des Hohlkörpers (12) angeordnete Feder (26), und
    - einen Verbindungsteil (32), welcher die innere Kammer (22) und die Feder (26) verbindet und einen Tintenflussdurchgang (34) definiert, der sich entlang einer longitudinalen Achse (XX) erstreckt, wobei der Verbindungsteil (32) ein Ventil (36) zum Öffnen/Schließen des Tintenflussdurchgangs (34) umfasst, das dazu angepasst ist, den Tintenflussdurchgang (34) selektiv zu öffnen/schließen,
    wobei der Verbindungsteil (32) einen Stößel (38) umfasst, der zwischen dem Ventil (36) und der inneren Kammer (22) angeordnet und dazu angepasst ist, mit dem Tintenreservoir (24, 24A) zusammenzuwirken und einen Tintenfluss zwischen dem Tintenreservoir (24, 24A) und der Feder (26) zu ermöglichen, und
    dadurch gekennzeichnet, dass der Stößel (38) eine im Wesentlichen zylindrische Zunge (70) umfasst, die sich im Wesentlichen entlang der longitudinalen Achse (X) erstreckt und einen Teil des Tintenflussdurchgangs (34) begrenzt, wobei die Zunge (70) einen Endrand (72) und ein gegenüberliegendes Ende (78) umfasst, wobei der Stößel (38) weiterhin einen Umfangsmantel (94) umfasst, der das gegenüberliegende Ende (78) der Zunge (70) umgibt und von diesem gegenüberliegenden Ende (78) beabstandet ist, wobei der Abstand zwischen dem gegenüberliegenden Ende (78) und dem Umfangsmantel (94) dazu angepasst ist, in dichter Weise das Tintenreservoir (24, 24A) aufzunehmen.
  2. Füllfederhalter (10) nach Anspruch 1, wobei das Ventil (36) ein rohrförmiges Element (40) umfasst, welches einen Teil des Tintenflussdurchgangs (34) begrenzt und einen zentralen Abschnitt (56) umfasst, der elastisch verformbar ist zwischen einer Ruheposition, in welcher der Tintenflussdurchgang (34) offen ist, und einer verformten Position, in welcher der Tintenflussdurchgang (34) geschlossen ist.
  3. Füllfederhalter (10) nach Anspruch 2, umfassend einen Schaft (30) zum Halten der Feder (26) und ein Paar an dem Schaft (30) angebrachte, gegenüberliegende Sporne (66), wobei die Sporne (66) dazu angepasst sind, den zentralen Abschnitt (56) zu verformen.
  4. Füllfederhalter (10) nach Anspruch 3, wobei die Sporne (66) in Bezug auf den Schaft (30) entlang einer Richtung senkrecht zur longitudinalen Achse (XX) verschiebbar angebracht sind.
  5. Füllfederhalter (10) nach Anspruch 3 oder 4, umfassend eine Kappe (16) zum Schutz der Feder (26), welche dazu angepasst ist, an dem Schaft (30) entlang der longitudinalen Achse angebracht zu werden und bei ihrem Anbringen an dem Schaft (30) die Sporne (66) zu verlagern.
  6. Füllfederhalter (10) nach einem der Ansprüche 2 bis 5, wobei der zentrale Abschnitt (56) einen inneren Querschnitt von im Wesentlichen quadratischer Form aufweist.
  7. Füllfederhalter (10) nach den Ansprüchen 3 und 6, wobei die Sporne (66) im Winkel um die longitudinale Achse (XX) in Bezug auf eine Diagonale des quadratischen inneren Querschnitts des zentralen Abschnitts (56) versetzt sind.
  8. Füllfederhalter (10) nach Anspruch 7, wobei der Versatz-Winkel (α) im Wesentlichen gleich 20° ist.
  9. Füllfederhalter (10) nach einem der Ansprüche 2 bis 8, wobei das rohrförmige Element (40) einen Endabschnitt (48) umfasst, der zwischen dem zentralen Abschnitt (56) und dem Stößel (38) angeordnet ist und einen Teil des Tintenflussdurchgangs (34) begrenzt, wobei der Endabschnitt (48) eine Innenfläche und eine Mehrzahl von longitudinalen Rillen (54) umfasst, die auf der Innenfläche vorgesehen sind.
  10. Füllfederhalter (10) nach den Ansprüchen 6 und 9, wobei das rohrförmige Element (40) ein Paar von gegenüberliegenden Einschnitten (58) umfasst, die an dem quadratischen inneren Querschnitt des zentralen Abschnitts (56) an dessen Verbindung mit dem Endabschnitt (48) vorgesehen sind.
  11. Füllfederhalter (10) nach einem der Ansprüche 1 bis 10, wobei der Stößel (38) eine im Wesentlichen zylindrische Zunge (70) umfasst, welche einen Teil des Tintenflussdurchgangs (34) begrenzt und ein Profil aufweist, welches eine doppelte Zurücksetzung umfasst.
  12. Füllfederhalter (10) nach Anspruch 11, wobei die Zunge (70) eine Innenfläche und eine Mehrzahl von longitudinalen Rillen (92) umfasst, die auf der Innenfläche vorgesehen sind.
  13. Füllfederhalter (10) nach einem der Ansprüche 1 bis 12, weiterhin umfassend einen Konverter (24A), der ein Tintenreservoir (24) bildet und an dem Stößel (38) angebracht ist.
  14. Füllfederhalter (10) nach einem der Ansprüche 1 bis 12, weiterhin umfassend eine Patrone, welche ein Tintenreservoir (24) bildet und an dem Stößel (38) angebracht ist, wobei die Patrone ein starres Rohr, einen an einem Ende des Rohrs angeordneten Eintrittsring und eine Pastille zum Schließen des Rohrs umfasst, die im Inneren des Eintrittsrings eingesetzt ist.
  15. Füllfederhalter (10) nach den Ansprüchen 14 und 11, wobei der Eintrittsring einen Innendurchmesser aufweist, der größer ist als der Außendurchmesser der Zunge (70) des Stößels (38).
EP12306432.1A 2012-11-16 2012-11-16 Kugelschreiber-federhalter Not-in-force EP2732979B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12306432.1A EP2732979B1 (de) 2012-11-16 2012-11-16 Kugelschreiber-federhalter
JP2015542340A JP6366596B2 (ja) 2012-11-16 2013-11-14 万年筆
US14/443,022 US9902191B2 (en) 2012-11-16 2013-11-14 Fountain pen
PCT/FR2013/052740 WO2014076426A2 (fr) 2012-11-16 2013-11-14 Stylo-plume

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12306432.1A EP2732979B1 (de) 2012-11-16 2012-11-16 Kugelschreiber-federhalter

Publications (2)

Publication Number Publication Date
EP2732979A1 EP2732979A1 (de) 2014-05-21
EP2732979B1 true EP2732979B1 (de) 2016-07-20

Family

ID=47294824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12306432.1A Not-in-force EP2732979B1 (de) 2012-11-16 2012-11-16 Kugelschreiber-federhalter

Country Status (4)

Country Link
US (1) US9902191B2 (de)
EP (1) EP2732979B1 (de)
JP (1) JP6366596B2 (de)
WO (1) WO2014076426A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3162587B1 (de) * 2015-10-29 2021-07-28 Europe Brands S.à r.l. Füllfederhalter
TWI621540B (zh) * 2017-05-19 2018-04-21 Sdi Corp 書寫工具及其輸墨單元
CN109203764B (zh) * 2018-09-05 2020-11-17 林霖 一种钢笔

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2045774A (en) * 1934-11-19 1936-06-30 Herman C Hirschy Fountain pen
US2126540A (en) * 1937-12-29 1938-08-09 Dicks Beauford Harold Fountain pen
BE476164A (de) * 1946-09-19
FR1297893A (fr) * 1961-05-26 1962-07-06 Christian Sa Ets Dispositif destiné à régulariser l'alimentation des porte-plumes reservoirs et analogues
JPS5098834U (de) 1974-01-17 1975-08-16
US4386866A (en) * 1980-04-22 1983-06-07 A. T. Cross Company Fountain pen cartridge
JPS5716383U (de) 1980-07-01 1982-01-27
JP4511381B2 (ja) * 2005-02-18 2010-07-28 パイロットインキ株式会社 直液式筆記具
JP2008224540A (ja) 2007-03-14 2008-09-25 Car Mate Mfg Co Ltd 歪み検査方法および検査装置
CN102131652B (zh) * 2008-05-20 2015-05-06 吉安卢卡·马拉古蒂 改进的自来水笔
CN102741060B (zh) * 2010-01-28 2015-09-02 吉安卢卡·马拉古蒂 墨水笔
SG11201601879XA (en) * 2013-09-23 2016-04-28 Pilot Corp Also Trading As Pilot Corp Kk Writing instrument and ink cartridge

Also Published As

Publication number Publication date
EP2732979A1 (de) 2014-05-21
WO2014076426A2 (fr) 2014-05-22
WO2014076426A3 (fr) 2014-07-24
JP6366596B2 (ja) 2018-08-01
US9902191B2 (en) 2018-02-27
JP2016501141A (ja) 2016-01-18
US20150298487A1 (en) 2015-10-22

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