JPS5863768A - 鉛筆芯 - Google Patents

鉛筆芯

Info

Publication number
JPS5863768A
JPS5863768A JP16224181A JP16224181A JPS5863768A JP S5863768 A JPS5863768 A JP S5863768A JP 16224181 A JP16224181 A JP 16224181A JP 16224181 A JP16224181 A JP 16224181A JP S5863768 A JPS5863768 A JP S5863768A
Authority
JP
Japan
Prior art keywords
resin
coupling agent
silane coupling
pencil lead
heat
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
JP16224181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS647632B2 (enrdf_load_stackoverflow
Inventor
Masatoshi Abe
政敏 阿部
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.)
TONBO ENPITSU KK
Original Assignee
TONBO ENPITSU KK
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 TONBO ENPITSU KK filed Critical TONBO ENPITSU KK
Priority to JP16224181A priority Critical patent/JPS5863768A/ja
Publication of JPS5863768A publication Critical patent/JPS5863768A/ja
Publication of JPS647632B2 publication Critical patent/JPS647632B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP16224181A 1981-10-12 1981-10-12 鉛筆芯 Granted JPS5863768A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16224181A JPS5863768A (ja) 1981-10-12 1981-10-12 鉛筆芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16224181A JPS5863768A (ja) 1981-10-12 1981-10-12 鉛筆芯

Publications (2)

Publication Number Publication Date
JPS5863768A true JPS5863768A (ja) 1983-04-15
JPS647632B2 JPS647632B2 (enrdf_load_stackoverflow) 1989-02-09

Family

ID=15750663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16224181A Granted JPS5863768A (ja) 1981-10-12 1981-10-12 鉛筆芯

Country Status (1)

Country Link
JP (1) JPS5863768A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6438298A (en) * 1987-08-04 1989-02-08 Pentel Kk Pencil
US5346930A (en) * 1991-06-13 1994-09-13 Lydall, Inc. Rigid fiberboard

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6438298A (en) * 1987-08-04 1989-02-08 Pentel Kk Pencil
US5346930A (en) * 1991-06-13 1994-09-13 Lydall, Inc. Rigid fiberboard

Also Published As

Publication number Publication date
JPS647632B2 (enrdf_load_stackoverflow) 1989-02-09

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