JPS6341410U - - Google Patents

Info

Publication number
JPS6341410U
JPS6341410U JP13492686U JP13492686U JPS6341410U JP S6341410 U JPS6341410 U JP S6341410U JP 13492686 U JP13492686 U JP 13492686U JP 13492686 U JP13492686 U JP 13492686U JP S6341410 U JPS6341410 U JP S6341410U
Authority
JP
Japan
Prior art keywords
blade part
drill
rake face
thinning
bent
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
JP13492686U
Other languages
Japanese (ja)
Other versions
JPH0333376Y2 (en
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 JP1986134926U priority Critical patent/JPH0333376Y2/ja
Publication of JPS6341410U publication Critical patent/JPS6341410U/ja
Application granted granted Critical
Publication of JPH0333376Y2 publication Critical patent/JPH0333376Y2/ja
Expired legal-status Critical Current

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  • Drilling Tools (AREA)

Description

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

図面は本考案の一実施例を示し、第１図は全体
の正面図、第２図は第１図―矢視図、第３図
は要部拡大図、第４図は第２図―線拡大断面
図である。 ａ……ドリル回転方向、２……切れ刃、２１，
２２……第１，第２刃部、６……先端部、７……
チゼルエツジ、８……外周コーナ、９……すくい
面。 The drawings show one embodiment of the present invention, and FIG. 1 is an overall front view, FIG. 2 is a view taken from FIG. It is an enlarged sectional view. a... Drill rotation direction, 2... Cutting edge, 2 1 ,
2 2 ...First and second blade parts, 6...Tip part, 7...
Chisel edge, 8... Outer corner, 9... Rake face.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 先端部にシンニングを施すことにより、切れ刃
を外周コーナ側の第１刃部および該第１刃部より
折曲がる、チゼルエツジ側の第２刃部より構成し
たドリルにおいて、前記第２刃部に連なるすくい
面を、該第２刃部よりドリル回転方向後側に向か
う斜面に形成したことを特徴とするドリル。 A drill in which the cutting edge is formed of a first blade part on the outer peripheral corner side and a second blade part on the chisel edge side that is bent from the first blade part by thinning the tip part, which is connected to the second blade part. A drill characterized in that a rake face is formed as an inclined surface facing rearward in the rotational direction of the drill from the second blade part.
JP1986134926U 1986-09-03 1986-09-03 Expired JPH0333376Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986134926U JPH0333376Y2 (en) 1986-09-03 1986-09-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986134926U JPH0333376Y2 (en) 1986-09-03 1986-09-03

Publications (2)

Publication Number Publication Date
JPS6341410U true JPS6341410U (en) 1988-03-18
JPH0333376Y2 JPH0333376Y2 (en) 1991-07-16

Family

ID=31036628

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986134926U Expired JPH0333376Y2 (en) 1986-09-03 1986-09-03

Country Status (1)

Country Link
JP (1) JPH0333376Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023032180A1 (en) * 2021-09-06 2023-03-09 オーエスジー株式会社 Drill

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5064888A (en) * 1973-10-12 1975-06-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5064888A (en) * 1973-10-12 1975-06-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023032180A1 (en) * 2021-09-06 2023-03-09 オーエスジー株式会社 Drill

Also Published As

Publication number Publication date
JPH0333376Y2 (en) 1991-07-16

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