JPH02112491U - - Google Patents

Info

Publication number
JPH02112491U
JPH02112491U JP2162289U JP2162289U JPH02112491U JP H02112491 U JPH02112491 U JP H02112491U JP 2162289 U JP2162289 U JP 2162289U JP 2162289 U JP2162289 U JP 2162289U JP H02112491 U JPH02112491 U JP H02112491U
Authority
JP
Japan
Prior art keywords
protrusion
sharpening pencil
high hardness
protection tube
utility
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.)
Pending
Application number
JP2162289U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP2162289U priority Critical patent/JPH02112491U/ja
Publication of JPH02112491U publication Critical patent/JPH02112491U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本考案の一実施例を示す断面図、第
２図は、第１図に示すＡ−Ａ線拡大断面図である
。 ３……芯保護管、４……高硬度被膜、５……突
起。 FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is an enlarged sectional view taken along the line A--A shown in FIG. 3...Core protection tube, 4...High hardness coating, 5...Protrusion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内面に少なくとも一つ以上の突起を有する芯保
護管を先端部に有するシヤープペンシルであつて
、前記突起表面に高硬度被膜を形成したことを特
徴とするシヤープペンシル。 What is claimed is: 1. A sharpening pencil having a core protection tube at its tip end having at least one protrusion on its inner surface, the sharpening pencil having a high hardness coating formed on the surface of the protrusion.
JP2162289U 1989-02-27 1989-02-27 Pending JPH02112491U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2162289U JPH02112491U (en) 1989-02-27 1989-02-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2162289U JPH02112491U (en) 1989-02-27 1989-02-27

Publications (1)

Publication Number Publication Date
JPH02112491U true JPH02112491U (en) 1990-09-07

Family

ID=31239022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2162289U Pending JPH02112491U (en) 1989-02-27 1989-02-27

Country Status (1)

Country Link
JP (1) JPH02112491U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001026915A1 (en) * 1999-10-15 2001-04-19 Pentel Kabushiki Kaisha Mechanical pencil and production method for its lead protection member

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56118898A (en) * 1980-02-25 1981-09-18 Ito Masasuke Method and device for effectively using propelling pencil lead
JPS58203099A (en) * 1982-05-22 1983-11-26 鷹尾　信博 Knock type propelling pencil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56118898A (en) * 1980-02-25 1981-09-18 Ito Masasuke Method and device for effectively using propelling pencil lead
JPS58203099A (en) * 1982-05-22 1983-11-26 鷹尾　信博 Knock type propelling pencil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001026915A1 (en) * 1999-10-15 2001-04-19 Pentel Kabushiki Kaisha Mechanical pencil and production method for its lead protection member

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