JPH0810517Y2 - 穿孔ビット - Google Patents

穿孔ビット

Info

Publication number
JPH0810517Y2
JPH0810517Y2 JP1989124651U JP12465189U JPH0810517Y2 JP H0810517 Y2 JPH0810517 Y2 JP H0810517Y2 JP 1989124651 U JP1989124651 U JP 1989124651U JP 12465189 U JP12465189 U JP 12465189U JP H0810517 Y2 JPH0810517 Y2 JP H0810517Y2
Authority
JP
Japan
Prior art keywords
base metal
tip
carbide tip
main
hole
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
JP1989124651U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0362778U (en]
Inventor
昭美 長谷川
雄二 井出崎
幸生 石坂
達広 古長
衛 傍士
誠二 国武
竜二 鶴田
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.)
Toho Kinzoku Co Ltd
Nippon Steel Corp
Okumura Corp
Original Assignee
Toho Kinzoku Co Ltd
Nippon Steel Corp
Okumura Corp
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 Toho Kinzoku Co Ltd, Nippon Steel Corp, Okumura Corp filed Critical Toho Kinzoku Co Ltd
Priority to JP1989124651U priority Critical patent/JPH0810517Y2/ja
Publication of JPH0362778U publication Critical patent/JPH0362778U/ja
Application granted granted Critical
Publication of JPH0810517Y2 publication Critical patent/JPH0810517Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
JP1989124651U 1989-10-25 1989-10-25 穿孔ビット Expired - Lifetime JPH0810517Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989124651U JPH0810517Y2 (ja) 1989-10-25 1989-10-25 穿孔ビット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989124651U JPH0810517Y2 (ja) 1989-10-25 1989-10-25 穿孔ビット

Publications (2)

Publication Number Publication Date
JPH0362778U JPH0362778U (en]) 1991-06-19
JPH0810517Y2 true JPH0810517Y2 (ja) 1996-03-29

Family

ID=31672559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989124651U Expired - Lifetime JPH0810517Y2 (ja) 1989-10-25 1989-10-25 穿孔ビット

Country Status (1)

Country Link
JP (1) JPH0810517Y2 (en])

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007301996A (ja) * 2006-05-10 2007-11-22 Hilti Ag 硬質材料製のドリルヘッド
JP2009097145A (ja) * 2007-10-12 2009-05-07 Maruwa Giken:Kk 廃棄物溶融炉スラグ排出口開口用ビット
JP2022016174A (ja) * 2020-07-10 2022-01-21 株式会社丸和技研 開孔ビット

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT1860274E (pt) * 2006-04-26 2008-07-31 Bauer Maschinen Gmbh Cabeça de perfuração
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3544433C2 (de) * 1985-12-16 1995-12-14 Hilti Ag Gesteinsbohrer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007301996A (ja) * 2006-05-10 2007-11-22 Hilti Ag 硬質材料製のドリルヘッド
JP2009097145A (ja) * 2007-10-12 2009-05-07 Maruwa Giken:Kk 廃棄物溶融炉スラグ排出口開口用ビット
JP2022016174A (ja) * 2020-07-10 2022-01-21 株式会社丸和技研 開孔ビット

Also Published As

Publication number Publication date
JPH0362778U (en]) 1991-06-19

Similar Documents

Publication Publication Date Title
US6341823B1 (en) Rotatable cutting tool with notched radial fins
KR101044618B1 (ko) 후방으로 테이퍼진 몸체를 구비한 회전가능한 절삭공구
KR101037881B1 (ko) 재료 편향 레지를 갖는 회전 절삭 비트
US5078219A (en) Concave drag bit cutter device and method
US6113195A (en) Rotatable cutting bit and bit washer therefor
US6375272B1 (en) Rotatable cutting tool insert
US5647448A (en) Drill bit having a plurality of teeth
JPH0720386U (ja) 削岩機用ドリル
JPH0810517Y2 (ja) 穿孔ビット
CA2486012C (en) Rotary hammerdrill bit
CA2387295C (en) Multiple cutter rotary hammer bit
JPH0746469Y2 (ja) 穿孔ビット
US4783123A (en) Tool bit for impact ripping of a mine face
JP4501407B2 (ja) 掘削工具
US6505692B1 (en) Drill for forming undercuts in bores
JPH08333978A (ja) カッタービット
CN2385823Y (zh) 一种建筑和装修用空芯钻头
RU235503U1 (ru) Резец для бурильного инструмента
JP2748243B2 (ja) 岩盤掘進方法および岩盤シールド掘削機
JP2543575Y2 (ja) ロックビット
CN2320662Y (zh) 基础桩刀具的改良结构
JP2006188873A (ja) 掘削装置
JP2007077642A (ja) カッタービット
CA1097332A (en) Roof drill bit
JP2006225896A (ja) 立坑構築用鋼製ケーシング

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term