JPS62275797A - 鉛筆芯の製造方法 - Google Patents

鉛筆芯の製造方法

Info

Publication number
JPS62275797A
JPS62275797A JP11931986A JP11931986A JPS62275797A JP S62275797 A JPS62275797 A JP S62275797A JP 11931986 A JP11931986 A JP 11931986A JP 11931986 A JP11931986 A JP 11931986A JP S62275797 A JPS62275797 A JP S62275797A
Authority
JP
Japan
Prior art keywords
pencil lead
graphite layer
fluorinated graphite
writing
chemical formula
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
JP11931986A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0481960B2 (2
Inventor
治 石丸
茂 秋枝
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.)
Sailor Pen Co Ltd
Original Assignee
Sailor Pen 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 Sailor Pen Co Ltd filed Critical Sailor Pen Co Ltd
Priority to JP11931986A priority Critical patent/JPS62275797A/ja
Publication of JPS62275797A publication Critical patent/JPS62275797A/ja
Publication of JPH0481960B2 publication Critical patent/JPH0481960B2/ja
Granted legal-status Critical Current

Links

JP11931986A 1986-05-26 1986-05-26 鉛筆芯の製造方法 Granted JPS62275797A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11931986A JPS62275797A (ja) 1986-05-26 1986-05-26 鉛筆芯の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11931986A JPS62275797A (ja) 1986-05-26 1986-05-26 鉛筆芯の製造方法

Publications (2)

Publication Number Publication Date
JPS62275797A true JPS62275797A (ja) 1987-11-30
JPH0481960B2 JPH0481960B2 (2) 1992-12-25

Family

ID=14758510

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11931986A Granted JPS62275797A (ja) 1986-05-26 1986-05-26 鉛筆芯の製造方法

Country Status (1)

Country Link
JP (1) JPS62275797A (2)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2630970A1 (fr) * 1987-11-11 1989-11-10 Mitsubishi Pencil Co Pointe a ecrire pour instrument a liquide d'ecriture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2630970A1 (fr) * 1987-11-11 1989-11-10 Mitsubishi Pencil Co Pointe a ecrire pour instrument a liquide d'ecriture

Also Published As

Publication number Publication date
JPH0481960B2 (2) 1992-12-25

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