JPH0362779U - - Google Patents

Info

Publication number
JPH0362779U
JPH0362779U JP12465289U JP12465289U JPH0362779U JP H0362779 U JPH0362779 U JP H0362779U JP 12465289 U JP12465289 U JP 12465289U JP 12465289 U JP12465289 U JP 12465289U JP H0362779 U JPH0362779 U JP H0362779U
Authority
JP
Japan
Prior art keywords
tip
carbide tip
carbide
base metal
thrust
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
JP12465289U
Other languages
English (en)
Other versions
JPH0746469Y2 (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 JP1989124652U priority Critical patent/JPH0746469Y2/ja
Publication of JPH0362779U publication Critical patent/JPH0362779U/ja
Application granted granted Critical
Publication of JPH0746469Y2 publication Critical patent/JPH0746469Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
第１図ａ，ｂ，ｃ，ｄ，ｅは本考案の１実施例
をあらわす平面図、正面図、一部断面側面図、Ｘ
矢視図、Ｙ−Ｙ断面図、第２図ａ，ｂ，ｃは補助
超硬チツプの平面図、正面図、側面図、第３図は
ねじ部の拡大断面図である。 １……穿孔ビツト、２……台金、３……主超硬
チツプ、４……補助超硬チツプ、５……ねじ穴、
１８……傾斜面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 回転力および推力を伝達するさく孔ロツドへの
    装着手段を有する台金の先端部に、刃先を形成す
    る超硬チツプを設け、該超硬チツプの回転方向前
    面側には先端側が後方に傾斜する傾斜面を設けた
    ことを特徴とする穿孔ビツト。
JP1989124652U 1989-10-25 1989-10-25 穿孔ビット Expired - Lifetime JPH0746469Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989124652U JPH0746469Y2 (ja) 1989-10-25 1989-10-25 穿孔ビット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989124652U JPH0746469Y2 (ja) 1989-10-25 1989-10-25 穿孔ビット

Publications (2)

Publication Number Publication Date
JPH0362779U true JPH0362779U (ja) 1991-06-19
JPH0746469Y2 JPH0746469Y2 (ja) 1995-10-25

Family

ID=31672560

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989124652U Expired - Lifetime JPH0746469Y2 (ja) 1989-10-25 1989-10-25 穿孔ビット

Country Status (1)

Country Link
JP (1) JPH0746469Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008133594A (ja) * 2006-11-27 2008-06-12 Nippon Steel Engineering Co Ltd 残銑穿孔用ビット

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141293A (ja) * 1985-12-16 1987-06-24 ヒルテイ・アクチエンゲゼルシヤフト 削岩機用ドリル

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141293A (ja) * 1985-12-16 1987-06-24 ヒルテイ・アクチエンゲゼルシヤフト 削岩機用ドリル

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008133594A (ja) * 2006-11-27 2008-06-12 Nippon Steel Engineering Co Ltd 残銑穿孔用ビット
JP4693753B2 (ja) * 2006-11-27 2011-06-01 新日鉄エンジニアリング株式会社 残銑穿孔用ビット

Also Published As

Publication number Publication date
JPH0746469Y2 (ja) 1995-10-25

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term