JPS5489838A - Method of making core of lead - Google Patents

Method of making core of lead

Info

Publication number
JPS5489838A
JPS5489838A JP15812177A JP15812177A JPS5489838A JP S5489838 A JPS5489838 A JP S5489838A JP 15812177 A JP15812177 A JP 15812177A JP 15812177 A JP15812177 A JP 15812177A JP S5489838 A JPS5489838 A JP S5489838A
Authority
JP
Japan
Prior art keywords
lead
making core
core
making
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
JP15812177A
Other languages
Japanese (ja)
Other versions
JPS6055556B2 (en
Inventor
Ikuo Ishiguro
Shiyunichi Tanaka
Masaru Yanagida
Kenichi Itou
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.)
Pilot Corp
Original Assignee
Pilot 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 Pilot Pen Co Ltd filed Critical Pilot Pen Co Ltd
Priority to JP15812177A priority Critical patent/JPS6055556B2/en
Publication of JPS5489838A publication Critical patent/JPS5489838A/en
Publication of JPS6055556B2 publication Critical patent/JPS6055556B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP15812177A 1977-12-27 1977-12-27 Manufacturing method of lead core Expired JPS6055556B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15812177A JPS6055556B2 (en) 1977-12-27 1977-12-27 Manufacturing method of lead core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15812177A JPS6055556B2 (en) 1977-12-27 1977-12-27 Manufacturing method of lead core

Publications (2)

Publication Number Publication Date
JPS5489838A true JPS5489838A (en) 1979-07-17
JPS6055556B2 JPS6055556B2 (en) 1985-12-05

Family

ID=15664750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15812177A Expired JPS6055556B2 (en) 1977-12-27 1977-12-27 Manufacturing method of lead core

Country Status (1)

Country Link
JP (1) JPS6055556B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009062443A (en) * 2007-09-05 2009-03-26 Mitsubishi Pencil Co Ltd Multilayered lead body and manufacturing method for it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009062443A (en) * 2007-09-05 2009-03-26 Mitsubishi Pencil Co Ltd Multilayered lead body and manufacturing method for it

Also Published As

Publication number Publication date
JPS6055556B2 (en) 1985-12-05

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