WO2005012001A1 - Tube pour accessoire d'ecriture - Google Patents

Tube pour accessoire d'ecriture Download PDF

Info

Publication number
WO2005012001A1
WO2005012001A1 PCT/JP2004/010723 JP2004010723W WO2005012001A1 WO 2005012001 A1 WO2005012001 A1 WO 2005012001A1 JP 2004010723 W JP2004010723 W JP 2004010723W WO 2005012001 A1 WO2005012001 A1 WO 2005012001A1
Authority
WO
WIPO (PCT)
Prior art keywords
grip
resin
hard resin
grip member
engaged
Prior art date
Application number
PCT/JP2004/010723
Other languages
English (en)
Japanese (ja)
Inventor
Kazuyoshi Karaki
Norio Moriyama
Original Assignee
Kabushiki Kaisha Pilot Corporation
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 Kabushiki Kaisha Pilot Corporation filed Critical Kabushiki Kaisha Pilot Corporation
Priority to JP2005512503A priority Critical patent/JP4364868B2/ja
Publication of WO2005012001A1 publication Critical patent/WO2005012001A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
    • B43K23/008—Holders comprising finger grips

Definitions

  • the present invention relates to a barrel of a writing instrument in which a grip member is attached to a grip portion of the barrel.
  • the grip member is formed integrally with the barrel by two-color molding, or formed in advance by forming the grip member formed in advance into a tip portion member and a grip portion of the barrel with smaller diameters than other barrels. It is installed by being inserted between the steps.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 10-297161 (Japanese Patent Application No. 9-123441)"
  • Patent Document 2 Japanese Utility Model Application No. 7-7985
  • the grip member does not rotate or rotate with respect to the barrel, but it is preferable that it is integral with the barrel and the hard resin as described above.
  • the shape of the exposed part considering that part of it is exposed to the outside The shape may have been limited by other barrel shapes.
  • a sink mark may occur at the exposed portion.
  • the concave and / or convex portion (engaged portion) formed on the inner wall of the grip member and the convex and / or concave portion (gripping attachment engaging portion) formed on the shaft cylinder are engaged in a concavo-convex manner
  • the grip member is a soft resin
  • the convex portions of the soft resin are elastically deformed, or a portion opposed to the convex portions of the shaft cylinder is also elastically deformed and can be fitted.
  • the present invention has as its first technical object to provide a cylinder for a writing tool which is easy to assemble.
  • the second technical problem is to make the position in the rotational direction of the grip member constant.
  • the cylinder (1) of the writing instrument of the present invention has a grip mounting engaging portion (4) and a grip (3) smaller in diameter than other portions of the cylinder.
  • An engaged portion (8b) engaged with the grip attachment portion (4); and the grip attachment portion (4) and the engaged portion (8b) are engaged with each other.
  • It is an axial cylinder (1) of a writing instrument having a grip member (G) which is circumferentially positioned and attached to the grip portion (3), It is formed by two-color molding of a hard resin (8) and a soft resin (9), and a part of the hard resin (8) is exposed to the outside and inside the hard resin (8) and the soft resin (9).
  • At least one end (9b) of the grip member (G) in the axial direction is the soft resin.
  • the grip member (G) is fitted in the grip portion (3) by press-fitting the inner wall (9a) of the soft resin (9) exposed inside to the grip portion (3) It is also possible.
  • the grip member (G) may be formed of a hard resin (8) different in color from the force barrel, and a soft resin (9) different in color from the barrel and hard resin (8).
  • the hard resin (8) of the present invention is an AS resin, an ABS resin, a POM resin, a PS (polystyrene) resin, a PET (polyethylene terephthalate) resin, a PBT (polybutylene terephthalate) resin
  • Hard resins such as PP resin, PMMA (polymethacrylic) resin, PC (polycarbonate) resin
  • the soft resin (9) of the present invention is a thermoplastic elastomer known generally as a grip member (G) of a writing instrument, such as polystyrene-based, polyurethane-based, polyolefin-based thermoplastic elastomer 1 or the like.
  • a thermoplastic elastomer known generally as a grip member (G) of a writing instrument, such as polystyrene-based, polyurethane-based, polyolefin-based thermoplastic elastomer 1 or the like.
  • the heat fusible elastomers in view of coating the above-mentioned hard resin (8) by two-color molding, in consideration of moldability and fusion property with the selected hard resin (8), etc. It may be selected appropriately.
  • the grip member (G) is formed by two-color molding of a hard resin (8) and a soft resin (9), and the hard resin 8) is exposed to the outside, and the hard resin (8) and the soft resin (9) are exposed inside, and the hard resin (4) in which the grip mounting engaging portion (4) is exposed inside It is formed in 8).
  • the shaft cylinder (1) of the writing instrument can be easily made
  • the position of the grip member (G) in the rotational direction can be made constant.
  • the soft resin (9) exposed inside is formed at at least one end (9b) of the grip member (G) in the axial direction, the soft resin (9) can be compressed and held.
  • the position of the grip member (G) or the position of the member which abuts on the soft resin (9) and whose position is determined can be determined without any gap without strict dimensional accuracy. Further, when the grip member (G) is attached to the grip portion (3), the inner wall (9a) of the soft resin (9) exposed to the inside is press fitted into the grip portion (3). In this case, rattling and rotation of the grip member (G) can be prevented, so that the cylinder (1) of the writing tool can be easily assembled. Furthermore, after the grip mounting engagement portion (4) and the engaged portion (8b) formed on the hard resin (8) start to engage, the inner wall (9a) of the soft resin (9) is formed.
  • the grip member (G) can be positioned before press-fitting, which further facilitates assembly.
  • the grip member (G) is formed of a hard resin (8) different in color from the shaft cylinder, and a soft resin (9) different in color from the shaft cylinder and the hard resin (8), a decorative grip member (G) can be provided.
  • the grip member G is attached to the grip portion 3 formed with the outer diameter of the cylinder main body 2 at a small diameter, but the grip member G is a blue hard resin in advance. 8 (ABS resin), a part of the hard resin 8 is exposed to the outside, and the black soft resin 9 (Olefin is formed so that the hard resin portion 8a and the soft resin portion 9a are formed on the inner wall of the grip member G).
  • the system is formed by coating by two-color molding.
  • the convex portion (grip mounting engagement portion) 4 formed on the grip portion 3 and the inner wall 8a of the hard resin portion of the grip member G are provided.
  • the positional relationship between the inner wall 8a and the convex portion 4 of the grip portion 3 is set, and the minimum inner diameter L of the inner wall 9a of the soft resin portion, the minimum inner diameter M of the inner wall 8a of the hard resin portion, and the maximum diameter of the grip portion 3
  • the relationship of the outer diameter N is L ⁇ N ⁇ M.
  • the assembly 9a is preferable because the assembly is further facilitated.
  • the soft resin 9 can be compressed and held when the tip member 6 is screwed.
  • the gap is not formed between the fore-end member 6 and the grip member G, even if the dimensional accuracy is not strictly defined or the dimensional change due to the passage of time, etc.
  • the relationship between the minimum inner diameter L of the inner wall 9 a of the soft resin portion 9, the minimum inner diameter M of the hard resin portion 8 and the maximum outer diameter N of the grip portion 3 is given by L ⁇ N ⁇ M.
  • the inner wall 9a of the soft resin portion 9 is pressed into the grip portion 3 of the barrel 1 after engagement of the convex portion 4 formed in the grip portion 3 and the recess 8b formed in the hard resin portion 8 is started.
  • the minimum inner diameter of the inner wall 9a of the soft resin portion 9 and the minimum inner diameter of the hard resin portion 8 are the same, and A convex portion 4 formed on the grip portion 3 by changing the outer diameter of the grip portion 3 corresponding to the inner wall 9a of the resin portion 9 and the outer diameter of the grip portion 3 corresponding to the inner wall 8a of the hard resin portion 8;
  • the inner wall 8a of the soft resin portion 8 may be pressed into the grip portion 3 of the barrel 1 after the engagement with the concave portion 8b formed in the hard resin portion 8 is started.
  • the convex portion 4 is illustrated as the grip mounting engaging portion, and the concave portion 8b is illustrated as the engaged portion.
  • the present invention is not limited to this.
  • the inner wall 9a of the soft resin portion 9 to be press-fit into the grip portion 3 is disposed at the front end, but is not limited thereto.
  • the portion where the press-fit is performed at the rear end portion it is possible to arrange the portion where the press-fit is performed at the rear end portion, and make the inner end portion 9a of the soft resin portion 9 at the tip end portion and the grip portion 3 not press-fit. is there.
  • both the configuration in which the grip portion 3 and the grip member G are press-fit and the configuration in which the soft resin 9 is provided at the end portion are used. It is also possible to
  • the present invention can be applied to an application where it is necessary to decorate the shaft cylinder with clips, characters, pictures and the like and to specify the positions of the shaft cylinder and the grip member.
  • FIG. 1A is an explanatory view of an embodiment of a barrel of a writing instrument according to the present invention
  • FIG. 1A is a partly omitted longitudinal sectional view showing the barrel of the writing instrument according to the present invention
  • FIG. 2 is a view showing a barrel of the writing instrument before assembly in FIG.
  • FIG. 3 is a cross-sectional view taken along the line ⁇ _ ⁇ in FIG. 1A.
  • FIG. 4 is a view showing the assembly process of the grip member in the barrel of the writing instrument, and FIG. 4 is an explanatory view of a state in which the engagement portion for mounting the drip and the engaged portion have started to be engaged; 4 is an explanatory view of a state in which the inner wall of the grip member and the grip portion have started press-fitting. Explanation of sign

Landscapes

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

Abstract

Cette invention concerne un tube d'un montage facile pour accessoire d'écriture. Le tube (1) pour accessoire d'écriture comprend une partie de maintien (3) et un élément de préhension (G). La partie de maintien comporte (3) un zone d'engagement (4) pour le montage de l'élément de préhension (4), dont le diamètre est inférieur à celui d'autres parties du tube. L'élément de préhension (G) comporte une partie d'engagement femelle (8b) dans laquelle vient se monter la partie d'engagement (4) et est monté sur la partie de maintien (3), les parties (4) et (8b) étant disposées co-axialement. Le tube (1) est du type bicolore, avec une résine dure (8) et une résine tendre (9). A l'exception d'une partie de la résine dure (8) qui est exposée vers l'extérieur, la résine dure et la résine tendre sont exposées vers l'intérieur. Sur l'élément de préhension (G) du tube (1), la partie femelle (8b) est formée avec la résine dure exposée vers l'intérieur.
PCT/JP2004/010723 2003-07-31 2004-07-28 Tube pour accessoire d'ecriture WO2005012001A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005512503A JP4364868B2 (ja) 2003-07-31 2004-07-28 筆記具の軸筒

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003-283900 2003-07-31
JP2003283900 2003-07-31

Publications (1)

Publication Number Publication Date
WO2005012001A1 true WO2005012001A1 (fr) 2005-02-10

Family

ID=34113823

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2004/010723 WO2005012001A1 (fr) 2003-07-31 2004-07-28 Tube pour accessoire d'ecriture

Country Status (3)

Country Link
JP (1) JP4364868B2 (fr)
CN (1) CN100475553C (fr)
WO (1) WO2005012001A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221186A1 (fr) * 2007-11-14 2010-08-25 Mitsubishi Pencil Company, Limited Instrument d'écriture
US8775141B2 (en) 2007-07-02 2014-07-08 Schlumberger Technology Corporation System and method for performing oilfield simulation operations
JP2015174326A (ja) * 2014-03-14 2015-10-05 ゼブラ株式会社 筆記具

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103264591A (zh) * 2013-06-01 2013-08-28 南昌大学 一种改变打开方式的笔

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2581871Y2 (ja) * 1993-07-14 1998-09-24 プラス株式会社 筆記具の滑り止め装置
JP3071682U (ja) * 2000-03-13 2000-09-14 ミクロ株式会社 筆記具
JP2002002182A (ja) * 2000-06-22 2002-01-08 Kotobuki:Kk 筆記具用グリップ及び筆記軸体
JP2003025784A (ja) * 2001-07-23 2003-01-29 Micro Kk 筆記具及びそのグリップ筒の製造方法
JP2003512960A (ja) * 1999-11-02 2003-04-08 サンフォード エル．ピー． 変形可能グリップ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3010277U (ja) * 1994-10-18 1995-04-25 ゼブラ株式会社 把持軸用滑り止め具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2581871Y2 (ja) * 1993-07-14 1998-09-24 プラス株式会社 筆記具の滑り止め装置
JP2003512960A (ja) * 1999-11-02 2003-04-08 サンフォード エル．ピー． 変形可能グリップ
JP3071682U (ja) * 2000-03-13 2000-09-14 ミクロ株式会社 筆記具
JP2002002182A (ja) * 2000-06-22 2002-01-08 Kotobuki:Kk 筆記具用グリップ及び筆記軸体
JP2003025784A (ja) * 2001-07-23 2003-01-29 Micro Kk 筆記具及びそのグリップ筒の製造方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8775141B2 (en) 2007-07-02 2014-07-08 Schlumberger Technology Corporation System and method for performing oilfield simulation operations
EP2221186A1 (fr) * 2007-11-14 2010-08-25 Mitsubishi Pencil Company, Limited Instrument d'écriture
EP2221186A4 (fr) * 2007-11-14 2013-10-23 Mitsubishi Pencil Co Instrument d'écriture
JP2015174326A (ja) * 2014-03-14 2015-10-05 ゼブラ株式会社 筆記具

Also Published As

Publication number Publication date
JP4364868B2 (ja) 2009-11-18
CN1832866A (zh) 2006-09-13
JPWO2005012001A1 (ja) 2007-09-27
CN100475553C (zh) 2009-04-08

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