JPS582369A - 色鉛筆芯の製造方法 - Google Patents

色鉛筆芯の製造方法

Info

Publication number
JPS582369A
JPS582369A JP10271081A JP10271081A JPS582369A JP S582369 A JPS582369 A JP S582369A JP 10271081 A JP10271081 A JP 10271081A JP 10271081 A JP10271081 A JP 10271081A JP S582369 A JPS582369 A JP S582369A
Authority
JP
Japan
Prior art keywords
oxidizing atmosphere
strength
sintered body
parts
treated
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.)
Granted
Application number
JP10271081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS644555B2 (enExample
Inventor
Yoshiaki Abe
阿部　美明
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.)
Pentel Co Ltd
Original Assignee
Pentel 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 Pentel Co Ltd filed Critical Pentel Co Ltd
Priority to JP10271081A priority Critical patent/JPS582369A/ja
Publication of JPS582369A publication Critical patent/JPS582369A/ja
Publication of JPS644555B2 publication Critical patent/JPS644555B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP10271081A 1981-06-30 1981-06-30 色鉛筆芯の製造方法 Granted JPS582369A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10271081A JPS582369A (ja) 1981-06-30 1981-06-30 色鉛筆芯の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10271081A JPS582369A (ja) 1981-06-30 1981-06-30 色鉛筆芯の製造方法

Publications (2)

Publication Number Publication Date
JPS582369A true JPS582369A (ja) 1983-01-07
JPS644555B2 JPS644555B2 (enExample) 1989-01-26

Family

ID=14334820

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10271081A Granted JPS582369A (ja) 1981-06-30 1981-06-30 色鉛筆芯の製造方法

Country Status (1)

Country Link
JP (1) JPS582369A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6357681A (ja) * 1986-08-29 1988-03-12 Sakura Color Prod Corp 固形着色材
US5595700A (en) * 1991-05-02 1997-01-21 Mitsubishi Pencil Kabushiki Kaisha Non-baked color pencil leads and method for preparing same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3200292B2 (ja) 1994-08-05 2001-08-20 三菱鉛筆株式会社 焼成色鉛筆芯及びその製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6357681A (ja) * 1986-08-29 1988-03-12 Sakura Color Prod Corp 固形着色材
US5595700A (en) * 1991-05-02 1997-01-21 Mitsubishi Pencil Kabushiki Kaisha Non-baked color pencil leads and method for preparing same

Also Published As

Publication number Publication date
JPS644555B2 (enExample) 1989-01-26

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