JPH0481960B2 - - Google Patents

Info

Publication number
JPH0481960B2
JPH0481960B2 JP11931986A JP11931986A JPH0481960B2 JP H0481960 B2 JPH0481960 B2 JP H0481960B2 JP 11931986 A JP11931986 A JP 11931986A JP 11931986 A JP11931986 A JP 11931986A JP H0481960 B2 JPH0481960 B2 JP H0481960B2
Authority
JP
Japan
Prior art keywords
pencil lead
writing
fluoride layer
graphite fluoride
outer peripheral
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
JP11931986A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62275797A (ja
Inventor
Osamu Ishimaru
Shigeru Akieda
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 JPS62275797A (ja) 1987-11-30
JPH0481960B2 true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01127397A (ja) * 1987-11-11 1989-05-19 Mitsubishi Pencil Co Ltd 液体筆記具に於けるペン先

Also Published As

Publication number Publication date
JPS62275797A (ja) 1987-11-30

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