JPS631199B2 - - Google Patents

Info

Publication number
JPS631199B2
JPS631199B2 JP14109879A JP14109879A JPS631199B2 JP S631199 B2 JPS631199 B2 JP S631199B2 JP 14109879 A JP14109879 A JP 14109879A JP 14109879 A JP14109879 A JP 14109879A JP S631199 B2 JPS631199 B2 JP S631199B2
Authority
JP
Japan
Prior art keywords
plasticizer
binder
colorant
kneaded
pencil lead
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
Application number
JP14109879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5663491A (en
Inventor
Hiroaki Okabayashi
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 JP14109879A priority Critical patent/JPS5663491A/ja
Publication of JPS5663491A publication Critical patent/JPS5663491A/ja
Publication of JPS631199B2 publication Critical patent/JPS631199B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP14109879A 1979-10-31 1979-10-31 Manufacture of pencil lead Granted JPS5663491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14109879A JPS5663491A (en) 1979-10-31 1979-10-31 Manufacture of pencil lead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14109879A JPS5663491A (en) 1979-10-31 1979-10-31 Manufacture of pencil lead

Publications (2)

Publication Number Publication Date
JPS5663491A JPS5663491A (en) 1981-05-30
JPS631199B2 true JPS631199B2 (enrdf_load_stackoverflow) 1988-01-11

Family

ID=15284137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14109879A Granted JPS5663491A (en) 1979-10-31 1979-10-31 Manufacture of pencil lead

Country Status (1)

Country Link
JP (1) JPS5663491A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5663491A (en) 1981-05-30

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