JPS58110309U - drilled blade - Google Patents

drilled blade

Info

Publication number
JPS58110309U
JPS58110309U JP686982U JP686982U JPS58110309U JP S58110309 U JPS58110309 U JP S58110309U JP 686982 U JP686982 U JP 686982U JP 686982 U JP686982 U JP 686982U JP S58110309 U JPS58110309 U JP S58110309U
Authority
JP
Japan
Prior art keywords
cone
blade
cutting edge
cutting
conical
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
JP686982U
Other languages
Japanese (ja)
Inventor
池内　裕次
政井　義臣
Original Assignee
株式会社池内鉄工所
株式会社政井鉄工所
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 株式会社池内鉄工所, 株式会社政井鉄工所 filed Critical 株式会社池内鉄工所
Priority to JP686982U priority Critical patent/JPS58110309U/en
Publication of JPS58110309U publication Critical patent/JPS58110309U/en
Pending legal-status Critical Current

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  • Drilling Tools (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図イ９ロ―ハは本考案にかかる雌刃の正面図、底面
図、−側面図、第２図イ５口、ハは他の実施例を示す同
じ（正面図、底面図、側面図を示す。 １・・・・・・軸、２・・・・・・円錐体、３・・・・
・・円錐面、４゜４′、４″・・・・・・円筒面、５Ｊ
’、５″・・・・・・円錐面、６・・・・・・円筒体、
７・・・・・・切り欠き、８・・・・・・垂直面。Figure 1 A9 Loha is a front view, bottom view, side view of the female blade according to the present invention, Figure 2 A5 A and C are the same (front view, bottom view, side view) showing other embodiments. The diagram is shown: 1...Axis, 2...Cone, 3...
... Conical surface, 4゜4', 4''...Cylindrical surface, 5J
', 5''... Conical surface, 6... Cylindrical body,
7... Notch, 8... Vertical surface.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）回転軸を有する円錐体を加工してドリル錐を形成
したものであって、該円錐体の表面を複数の同心円状の
円筒面と円錐面との多段組み合わせによって構成し、該
円錐体の約四半周部分を切り欠いて各段ごとに切削刃を
形成してなる雌刃の構造。(1) A drill cone is formed by processing a cone having a rotating shaft, the surface of the cone is constituted by a multistage combination of a plurality of concentric cylindrical surfaces and conical surfaces, and the cone is A female blade structure in which a cutting edge is formed at each step by cutting out approximately a quarter of the circumference of the blade. （２）前記切削刃は垂直面に対して９０°未満の刃先を
形成するように前記円筒面及び円錐面に僅かな逃げを形
成した実用新案登録請求の範囲第１項記載の雌刃の構造
。(2) The structure of the female blade according to claim 1, wherein the cutting blade has a slight clearance on the cylindrical surface and the conical surface so that the cutting edge forms a cutting edge at an angle of less than 90 degrees with respect to a vertical plane. .
JP686982U 1982-01-21 1982-01-21 drilled blade Pending JPS58110309U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP686982U JPS58110309U (en) 1982-01-21 1982-01-21 drilled blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP686982U JPS58110309U (en) 1982-01-21 1982-01-21 drilled blade

Publications (1)

Publication Number Publication Date
JPS58110309U true JPS58110309U (en) 1983-07-27

Family

ID=30019646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP686982U Pending JPS58110309U (en) 1982-01-21 1982-01-21 drilled blade

Country Status (1)

Country Link
JP (1) JPS58110309U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013000843A (en) * 2011-06-17 2013-01-07 Makotoroi Kogyo Kk Drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013000843A (en) * 2011-06-17 2013-01-07 Makotoroi Kogyo Kk Drill

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