DE602004029584D1 - Schreibgerät - Google Patents

Schreibgerät

Info

Publication number
DE602004029584D1
DE602004029584D1 DE602004029584T DE602004029584T DE602004029584D1 DE 602004029584 D1 DE602004029584 D1 DE 602004029584D1 DE 602004029584 T DE602004029584 T DE 602004029584T DE 602004029584 T DE602004029584 T DE 602004029584T DE 602004029584 D1 DE602004029584 D1 DE 602004029584D1
Authority
DE
Germany
Prior art keywords
valve chamber
valve
valve element
reverse flow
prevention mechanism
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.)
Active
Application number
DE602004029584T
Other languages
English (en)
Inventor
T Kobayashi
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.)
Mitsubishi Pencil Co Ltd
Original Assignee
Mitsubishi Pencil Co Ltd
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 Mitsubishi Pencil Co Ltd filed Critical Mitsubishi Pencil Co Ltd
Publication of DE602004029584D1 publication Critical patent/DE602004029584D1/de
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
    • B43K7/00—Ball-point pens
    • B43K7/10—Arrangements for feeding ink to the ball points
    • 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
    • B43K5/1836—Valves automatically closing
    • B43K5/1881—Valves automatically closing when the writing point points upwards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/02—Ink reservoirs; Ink cartridges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)
DE602004029584T 2003-08-25 2004-07-21 Schreibgerät Active DE602004029584D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003300225 2003-08-25
PCT/JP2004/010326 WO2005018952A1 (ja) 2003-08-25 2004-07-21 筆記具

Publications (1)

Publication Number Publication Date
DE602004029584D1 true DE602004029584D1 (de) 2010-11-25

Family

ID=34213813

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004029584T Active DE602004029584D1 (de) 2003-08-25 2004-07-21 Schreibgerät

Country Status (7)

Country Link
US (1) US7140799B2 (de)
EP (1) EP1658999B1 (de)
JP (1) JP4535450B2 (de)
CN (1) CN100475551C (de)
AT (1) ATE484399T1 (de)
DE (1) DE602004029584D1 (de)
WO (1) WO2005018952A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3081387B1 (de) * 2013-12-09 2023-06-28 Mitsubishi Pencil Company, Limited Kugelschreiber
US10889143B2 (en) 2016-10-28 2021-01-12 Ganesh Ram Jangir Refillable writing instrument

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS574373U (de) * 1980-06-10 1982-01-09
JPS57136780U (de) * 1981-02-19 1982-08-26
JPH0452067Y2 (de) 1985-10-25 1992-12-08
EP0626276B1 (de) * 1993-03-18 1998-10-07 Mitsubishi Pencil Kabushiki Kaisha Kugelschreiber
US5709493A (en) * 1993-03-18 1998-01-20 Mitsubishi Pencil Kabushiki Kaisha Ballpoint pen having a backflow preventing mechanism
JP3275217B2 (ja) * 1993-07-06 2002-04-15 ゼブラ株式会社 インク逆流防止機構を備えたボールペン
JP3197422B2 (ja) * 1994-02-28 2001-08-13 三菱鉛筆株式会社 ボールペン
CN1043625C (zh) * 1993-12-06 1999-06-16 三菱铅笔株式会社 圆珠笔
FR2729966B1 (fr) * 1995-02-01 1998-12-04 Mitsubishi Pencil Co Encre dispersee dans l'eau, a faible viscosite, pour stylo a bille, et stylo a bille
JPH0976689A (ja) * 1995-09-14 1997-03-25 Mitsubishi Pencil Co Ltd ボールペン
JP3256130B2 (ja) * 1996-05-13 2002-02-12 株式会社壽 インク逆流防止機能を備えた筆記具
JP3507036B2 (ja) * 2001-01-18 2004-03-15 株式会社呉竹 筆記具
US20030156887A1 (en) * 2002-02-19 2003-08-21 Cantu Jason E. Back flow preventing mechanism for writing implement

Also Published As

Publication number Publication date
WO2005018952A1 (ja) 2005-03-03
JP4535450B2 (ja) 2010-09-01
JPWO2005018952A1 (ja) 2006-10-19
ATE484399T1 (de) 2010-10-15
EP1658999A4 (de) 2009-08-26
EP1658999B1 (de) 2010-10-13
CN100475551C (zh) 2009-04-08
EP1658999A1 (de) 2006-05-24
US20060182489A1 (en) 2006-08-17
US7140799B2 (en) 2006-11-28
CN1842418A (zh) 2006-10-04

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