JP2726198B2 - 非焼成色鉛筆芯とその製造方法 - Google Patents

非焼成色鉛筆芯とその製造方法

Info

Publication number
JP2726198B2
JP2726198B2 JP4166682A JP16668292A JP2726198B2 JP 2726198 B2 JP2726198 B2 JP 2726198B2 JP 4166682 A JP4166682 A JP 4166682A JP 16668292 A JP16668292 A JP 16668292A JP 2726198 B2 JP2726198 B2 JP 2726198B2
Authority
JP
Japan
Prior art keywords
aromatic compound
fluorinated aromatic
pigment
coated
pencil lead
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.)
Expired - Lifetime
Application number
JP4166682A
Other languages
English (en)
Japanese (ja)
Other versions
JPH05331406A (ja
Inventor
勝徳 北澤
洋二 西本
俊之 前田
道雄 斉藤
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
Priority to JP4166682A priority Critical patent/JP2726198B2/ja
Priority to US08/058,528 priority patent/US5318622A/en
Priority to DE69306663T priority patent/DE69306663D1/de
Priority to EP93108852A priority patent/EP0573000B1/en
Publication of JPH05331406A publication Critical patent/JPH05331406A/ja
Application granted granted Critical
Publication of JP2726198B2 publication Critical patent/JP2726198B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D13/00—Pencil-leads; Crayon compositions; Chalk compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
JP4166682A 1992-06-03 1992-06-03 非焼成色鉛筆芯とその製造方法 Expired - Lifetime JP2726198B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4166682A JP2726198B2 (ja) 1992-06-03 1992-06-03 非焼成色鉛筆芯とその製造方法
US08/058,528 US5318622A (en) 1992-06-03 1993-05-06 Non-baked color pencil leads and method for preparing same
DE69306663T DE69306663D1 (de) 1992-06-03 1993-06-02 Nichtgebrannte Buntstift-Minen und Verfahren zur Herstellung derselben
EP93108852A EP0573000B1 (en) 1992-06-03 1993-06-02 Non-baked color pencil leads and method for preparing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4166682A JP2726198B2 (ja) 1992-06-03 1992-06-03 非焼成色鉛筆芯とその製造方法

Publications (2)

Publication Number Publication Date
JPH05331406A JPH05331406A (ja) 1993-12-14
JP2726198B2 true JP2726198B2 (ja) 1998-03-11

Family

ID=15835783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4166682A Expired - Lifetime JP2726198B2 (ja) 1992-06-03 1992-06-03 非焼成色鉛筆芯とその製造方法

Country Status (4)

Country Link
US (1) US5318622A (OSRAM)
EP (1) EP0573000B1 (OSRAM)
JP (1) JP2726198B2 (OSRAM)
DE (1) DE69306663D1 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3181645A1 (en) 2015-12-18 2017-06-21 Mitsubishi Pencil Company, Limited Pencil lead

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5730788A (en) * 1994-01-05 1998-03-24 Gil Soriano; Enrique Correction product
JPH08259874A (ja) * 1995-03-27 1996-10-08 Mitsubishi Pencil Co Ltd 焼成色鉛筆芯及びその製造方法
JPH0959556A (ja) * 1995-08-29 1997-03-04 Mitsubishi Pencil Co Ltd 非消去性鉛筆芯
EP1000987B1 (en) * 1998-05-27 2006-09-13 Sakura Color Products Corporation Non-calcined lead of a colored pencil
ES2214034T3 (es) 1998-06-26 2004-09-01 BINNEY & SMITH INC. Mina de lapiz coloreada borrable.
US6011084A (en) 1998-06-26 2000-01-04 Binney & Smith Inc. Erasable colored pencil lead
DE19911748A1 (de) * 1999-03-16 2000-09-21 Schwan Stabilo Cosmetics Gmbh Verfahren zur Erhöhung der Zug-, Bruch und Biegefestigkeit von Farbminen sowie solche Minen enthaltende Farbstifte
USD533901S1 (en) 2005-04-04 2006-12-19 Chattahoochee Pencil Company, Inc. Marker implement
DE102005055193B4 (de) * 2005-11-19 2008-03-13 J. S. Staedtler Gmbh & Co. Kg Mine für Schreib-, Zeichen- oder Malgeräte
WO2018118640A1 (en) 2016-12-22 2018-06-28 Crayola Llc Erasable writing compositions
CN108501574A (zh) * 2018-03-21 2018-09-07 李少为 一种环保型铅笔的制作工艺
CN117396568A (zh) * 2021-06-18 2024-01-12 三菱铅笔株式会社 非煅烧铅笔芯和非煅烧铅笔芯的制造方法
JP7755842B2 (ja) * 2021-06-24 2025-10-17 株式会社トンボ鉛筆 消去性色鉛筆芯
CN113755061A (zh) * 2021-09-17 2021-12-07 浙江理工大学 一种彩泥蜡笔及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1502763A (en) * 1924-01-18 1924-07-29 Lucian W Bugbee Pencil and process of making the same
US2273935A (en) * 1940-09-09 1942-02-24 Eagle Pencil Company Inc Pencil lead
BE460908A (OSRAM) * 1943-05-19
JPS58113274A (ja) * 1981-12-26 1983-07-06 Pilot Precision Co Ltd 鉛芯の製造法
JPS58168672A (ja) * 1982-03-31 1983-10-05 Pentel Kk 鉛筆型コンテ
JPS62569A (ja) * 1985-06-26 1987-01-06 Sailor Pen Co Ltd 鉛筆芯組成物
JPS62275190A (ja) * 1985-10-04 1987-11-30 Osaka Gas Co Ltd フッ化ピッチの製造方法
AU633316B2 (en) * 1989-04-28 1993-01-28 Asahi Glass Company Limited Water and oil repellant composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3181645A1 (en) 2015-12-18 2017-06-21 Mitsubishi Pencil Company, Limited Pencil lead
US9896591B2 (en) 2015-12-18 2018-02-20 Mitsubishi Pencil Company, Limited Pencil lead

Also Published As

Publication number Publication date
DE69306663D1 (de) 1997-01-30
JPH05331406A (ja) 1993-12-14
EP0573000A3 (OSRAM) 1994-02-16
US5318622A (en) 1994-06-07
EP0573000A2 (en) 1993-12-08
EP0573000B1 (en) 1996-12-18

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Effective date: 19971118