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WO2003041971A1 - Ball for ball-point pen - Google Patents

Ball for ball-point pen Download PDF

Info

Publication number
WO2003041971A1
WO2003041971A1 PCT/JP2002/011926 JP0211926W WO03041971A1 WO 2003041971 A1 WO2003041971 A1 WO 2003041971A1 JP 0211926 W JP0211926 W JP 0211926W WO 03041971 A1 WO03041971 A1 WO 03041971A1
Authority
WO
WIPO (PCT)
Prior art keywords
ball
holes
flat part
point pen
smoothness
Prior art date
Application number
PCT/JP2002/011926
Other languages
French (fr)
Japanese (ja)
Inventor
Yasunori Nakatani
Original Assignee
Sakura Color Products 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 Sakura Color Products Corporation filed Critical Sakura Color Products Corporation
Priority to KR1020047007465A priority Critical patent/KR100620394B1/en
Publication of WO2003041971A1 publication Critical patent/WO2003041971A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K1/00—Nibs; Writing-points
    • B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
    • B43K1/082—Balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K1/00—Nibs; Writing-points
    • B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B11/00—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
    • B24B11/02—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

A ball for a ball-point pen having a plurality of holes in the surface thereof, wherein the surface of the ball is formed of the holes and a flat part without the holes, the flat part is formed of a smooth mirror surface, the holes have opening parts with a major axis of less than 10 μm, Ra, Ry, or Rz indicating the smoothness of the flat part on the surface of the ball is 0.01 μm or below, 0.08 μm or below, or 0.06 μm or below, respectively, and a boundary between the holes and the flat part is generally curved.
PCT/JP2002/011926 2001-11-16 2002-11-15 Ball for ball-point pen WO2003041971A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020047007465A KR100620394B1 (en) 2001-11-16 2002-11-15 Ball for ball-point pen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001-352427 2001-11-16
JP2001352427 2001-11-16

Publications (1)

Publication Number Publication Date
WO2003041971A1 true WO2003041971A1 (en) 2003-05-22

Family

ID=19164603

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/011926 WO2003041971A1 (en) 2001-11-16 2002-11-15 Ball for ball-point pen

Country Status (3)

Country Link
KR (1) KR100620394B1 (en)
CN (1) CN1251886C (en)
WO (1) WO2003041971A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4438318A1 (en) * 2021-11-26 2024-10-02 Kabushiki Kaisha Pilot Corporation (also trading as Pilot Corporation) Writing ball, method for manufacturing writing ball, and ballpoint pen with writing ball

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59135195A (en) * 1983-01-24 1984-08-03 京セラ株式会社 Ball pen ball made of zirconia ceramics
JPH10147091A (en) * 1996-11-18 1998-06-02 Toray Ind Inc Ballpoint pen, ceramic ball for the pen, and manufacture of the ball
JPH10236063A (en) * 1997-02-26 1998-09-08 Mitsubishi Pencil Co Ltd Writing implement
JPH11139068A (en) * 1997-11-06 1999-05-25 Mitsubishi Pencil Co Ltd Ball point pen
JP2001080261A (en) * 1999-09-16 2001-03-27 Sakura Color Prod Corp Ball for ball point pen
US6299376B1 (en) * 1999-09-13 2001-10-09 Sakura Color Products Corporation Ball-point pen
JP2001287490A (en) * 2000-04-07 2001-10-16 Ngk Spark Plug Co Ltd Ceramic ball for ballpoint pen, manufacturing method for the same and ballpoint pen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59135195A (en) * 1983-01-24 1984-08-03 京セラ株式会社 Ball pen ball made of zirconia ceramics
JPH10147091A (en) * 1996-11-18 1998-06-02 Toray Ind Inc Ballpoint pen, ceramic ball for the pen, and manufacture of the ball
JPH10236063A (en) * 1997-02-26 1998-09-08 Mitsubishi Pencil Co Ltd Writing implement
JPH11139068A (en) * 1997-11-06 1999-05-25 Mitsubishi Pencil Co Ltd Ball point pen
US6299376B1 (en) * 1999-09-13 2001-10-09 Sakura Color Products Corporation Ball-point pen
JP2001080261A (en) * 1999-09-16 2001-03-27 Sakura Color Prod Corp Ball for ball point pen
JP2001287490A (en) * 2000-04-07 2001-10-16 Ngk Spark Plug Co Ltd Ceramic ball for ballpoint pen, manufacturing method for the same and ballpoint pen

Also Published As

Publication number Publication date
CN1585699A (en) 2005-02-23
KR20040073437A (en) 2004-08-19
KR100620394B1 (en) 2006-09-08
CN1251886C (en) 2006-04-19

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