JP2544453Y2 - シャープペンシル - Google Patents

シャープペンシル

Info

Publication number
JP2544453Y2
JP2544453Y2 JP1990057719U JP5771990U JP2544453Y2 JP 2544453 Y2 JP2544453 Y2 JP 2544453Y2 JP 1990057719 U JP1990057719 U JP 1990057719U JP 5771990 U JP5771990 U JP 5771990U JP 2544453 Y2 JP2544453 Y2 JP 2544453Y2
Authority
JP
Japan
Prior art keywords
core
protection tube
powder
linear spring
diameter
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 - Lifetime
Application number
JP1990057719U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0415580U (en, 2012
Inventor
潤一 橋本
一己 中島
健一 鎌倉
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 JP1990057719U priority Critical patent/JP2544453Y2/ja
Publication of JPH0415580U publication Critical patent/JPH0415580U/ja
Application granted granted Critical
Publication of JP2544453Y2 publication Critical patent/JP2544453Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
JP1990057719U 1990-05-31 1990-05-31 シャープペンシル Expired - Lifetime JP2544453Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990057719U JP2544453Y2 (ja) 1990-05-31 1990-05-31 シャープペンシル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990057719U JP2544453Y2 (ja) 1990-05-31 1990-05-31 シャープペンシル

Publications (2)

Publication Number Publication Date
JPH0415580U JPH0415580U (en, 2012) 1992-02-07
JP2544453Y2 true JP2544453Y2 (ja) 1997-08-20

Family

ID=31582686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990057719U Expired - Lifetime JP2544453Y2 (ja) 1990-05-31 1990-05-31 シャープペンシル

Country Status (1)

Country Link
JP (1) JP2544453Y2 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1125763A1 (en) 2000-02-16 2001-08-22 Kotobuki & Co. Ltd. Mechanical pencil

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS478233U (en, 2012) * 1971-02-25 1972-09-30
JPS50112237U (en, 2012) * 1974-02-22 1975-09-12
JPH0241294A (ja) * 1988-08-02 1990-02-09 Shigemi Iida シャープペンシルの０リング付芯金

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1125763A1 (en) 2000-02-16 2001-08-22 Kotobuki & Co. Ltd. Mechanical pencil

Also Published As

Publication number Publication date
JPH0415580U (en, 2012) 1992-02-07

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