JPS5998176A - 色鉛筆芯の製造方法 - Google Patents

色鉛筆芯の製造方法

Info

Publication number
JPS5998176A
JPS5998176A JP20880382A JP20880382A JPS5998176A JP S5998176 A JPS5998176 A JP S5998176A JP 20880382 A JP20880382 A JP 20880382A JP 20880382 A JP20880382 A JP 20880382A JP S5998176 A JPS5998176 A JP S5998176A
Authority
JP
Japan
Prior art keywords
porous sintered
heat
sintered material
impregnated
treatment
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
JP20880382A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0352506B2 (enExample
Inventor
Fumio Iizuka
飯塚　二三男
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 JP20880382A priority Critical patent/JPS5998176A/ja
Publication of JPS5998176A publication Critical patent/JPS5998176A/ja
Publication of JPH0352506B2 publication Critical patent/JPH0352506B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP20880382A 1982-11-29 1982-11-29 色鉛筆芯の製造方法 Granted JPS5998176A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20880382A JPS5998176A (ja) 1982-11-29 1982-11-29 色鉛筆芯の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20880382A JPS5998176A (ja) 1982-11-29 1982-11-29 色鉛筆芯の製造方法

Publications (2)

Publication Number Publication Date
JPS5998176A true JPS5998176A (ja) 1984-06-06
JPH0352506B2 JPH0352506B2 (enExample) 1991-08-12

Family

ID=16562374

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20880382A Granted JPS5998176A (ja) 1982-11-29 1982-11-29 色鉛筆芯の製造方法

Country Status (1)

Country Link
JP (1) JPS5998176A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6123667A (ja) * 1984-07-12 1986-02-01 Pilot Precision Co Ltd 色鉛芯およびその製造法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5035860A (enExample) * 1973-06-21 1975-04-04
JPS5064029A (enExample) * 1973-10-05 1975-05-30
JPS5529554A (en) * 1978-08-22 1980-03-01 Sakura Color Prod Corp Preparation of pencil lead

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5035860A (enExample) * 1973-06-21 1975-04-04
JPS5064029A (enExample) * 1973-10-05 1975-05-30
JPS5529554A (en) * 1978-08-22 1980-03-01 Sakura Color Prod Corp Preparation of pencil lead

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6123667A (ja) * 1984-07-12 1986-02-01 Pilot Precision Co Ltd 色鉛芯およびその製造法

Also Published As

Publication number Publication date
JPH0352506B2 (enExample) 1991-08-12

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