JPS5223419A - Method of manufacturing pencil lead - Google Patents

Method of manufacturing pencil lead

Info

Publication number
JPS5223419A
JPS5223419A JP9926975A JP9926975A JPS5223419A JP S5223419 A JPS5223419 A JP S5223419A JP 9926975 A JP9926975 A JP 9926975A JP 9926975 A JP9926975 A JP 9926975A JP S5223419 A JPS5223419 A JP S5223419A
Authority
JP
Japan
Prior art keywords
pencil lead
manufacturing pencil
manufacturing
lead
pencil
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
JP9926975A
Other languages
Japanese (ja)
Other versions
JPS5423612B2 (en
Inventor
Shin Shimoyama
Fumio Iizuka
Nobuaki Tsunoda
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 JP9926975A priority Critical patent/JPS5223419A/en
Publication of JPS5223419A publication Critical patent/JPS5223419A/en
Publication of JPS5423612B2 publication Critical patent/JPS5423612B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP9926975A 1975-08-15 1975-08-15 Method of manufacturing pencil lead Granted JPS5223419A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9926975A JPS5223419A (en) 1975-08-15 1975-08-15 Method of manufacturing pencil lead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9926975A JPS5223419A (en) 1975-08-15 1975-08-15 Method of manufacturing pencil lead

Publications (2)

Publication Number Publication Date
JPS5223419A true JPS5223419A (en) 1977-02-22
JPS5423612B2 JPS5423612B2 (en) 1979-08-15

Family

ID=14242956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9926975A Granted JPS5223419A (en) 1975-08-15 1975-08-15 Method of manufacturing pencil lead

Country Status (1)

Country Link
JP (1) JPS5223419A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH052776U (en) * 1991-02-25 1993-01-19 宇佐美 守一 Dry classifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH052776U (en) * 1991-02-25 1993-01-19 宇佐美 守一 Dry classifier

Also Published As

Publication number Publication date
JPS5423612B2 (en) 1979-08-15

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