JPS56129275A - Noncalcined pencil core - Google Patents
Noncalcined pencil coreInfo
- Publication number
- JPS56129275A JPS56129275A JP3199580A JP3199580A JPS56129275A JP S56129275 A JPS56129275 A JP S56129275A JP 3199580 A JP3199580 A JP 3199580A JP 3199580 A JP3199580 A JP 3199580A JP S56129275 A JPS56129275 A JP S56129275A
- Authority
- JP
- Japan
- Prior art keywords
- pencil core
- noncalcined
- obtd
- base material
- gypsum whisker
- 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
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3199580A JPS56129275A (en) | 1980-03-13 | 1980-03-13 | Noncalcined pencil core |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3199580A JPS56129275A (en) | 1980-03-13 | 1980-03-13 | Noncalcined pencil core |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56129275A true JPS56129275A (en) | 1981-10-09 |
JPS6225195B2 JPS6225195B2 (ja) | 1987-06-02 |
Family
ID=12346485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3199580A Granted JPS56129275A (en) | 1980-03-13 | 1980-03-13 | Noncalcined pencil core |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56129275A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62129370A (ja) * | 1985-11-29 | 1987-06-11 | Pentel Kk | 鉛筆芯の製造方法 |
US6511533B2 (en) | 1998-05-27 | 2003-01-28 | Sakura Color Products Corporation | Non-calcined lead of a colored pencil |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020002191A (ja) | 2018-06-25 | 2020-01-09 | 三菱鉛筆株式会社 | 非焼成鉛筆芯 |
-
1980
- 1980-03-13 JP JP3199580A patent/JPS56129275A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62129370A (ja) * | 1985-11-29 | 1987-06-11 | Pentel Kk | 鉛筆芯の製造方法 |
US6511533B2 (en) | 1998-05-27 | 2003-01-28 | Sakura Color Products Corporation | Non-calcined lead of a colored pencil |
Also Published As
Publication number | Publication date |
---|---|
JPS6225195B2 (ja) | 1987-06-02 |
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