JPS61175093A - シヤ−プペンシル用芯の製造方法 - Google Patents

シヤ−プペンシル用芯の製造方法

Info

Publication number
JPS61175093A
JPS61175093A JP1559885A JP1559885A JPS61175093A JP S61175093 A JPS61175093 A JP S61175093A JP 1559885 A JP1559885 A JP 1559885A JP 1559885 A JP1559885 A JP 1559885A JP S61175093 A JPS61175093 A JP S61175093A
Authority
JP
Japan
Prior art keywords
lead
stage nozzle
extrusion molding
molding material
manufacture
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
JP1559885A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6236880B2 (https=
Inventor
治 石丸
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 JP1559885A priority Critical patent/JPS61175093A/ja
Publication of JPS61175093A publication Critical patent/JPS61175093A/ja
Publication of JPS6236880B2 publication Critical patent/JPS6236880B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP1559885A 1985-01-31 1985-01-31 シヤ−プペンシル用芯の製造方法 Granted JPS61175093A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1559885A JPS61175093A (ja) 1985-01-31 1985-01-31 シヤ−プペンシル用芯の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1559885A JPS61175093A (ja) 1985-01-31 1985-01-31 シヤ−プペンシル用芯の製造方法

Publications (2)

Publication Number Publication Date
JPS61175093A true JPS61175093A (ja) 1986-08-06
JPS6236880B2 JPS6236880B2 (https=) 1987-08-10

Family

ID=11893153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1559885A Granted JPS61175093A (ja) 1985-01-31 1985-01-31 シヤ−プペンシル用芯の製造方法

Country Status (1)

Country Link
JP (1) JPS61175093A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009029906A (ja) * 2007-07-26 2009-02-12 Mitsubishi Pencil Co Ltd 固形描画材

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0225381U (https=) * 1988-08-08 1990-02-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009029906A (ja) * 2007-07-26 2009-02-12 Mitsubishi Pencil Co Ltd 固形描画材

Also Published As

Publication number Publication date
JPS6236880B2 (https=) 1987-08-10

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