JPS58176189U - 衝撃式ドリル用ビツト - Google Patents

衝撃式ドリル用ビツト

Info

Publication number
JPS58176189U
JPS58176189U JP7289682U JP7289682U JPS58176189U JP S58176189 U JPS58176189 U JP S58176189U JP 7289682 U JP7289682 U JP 7289682U JP 7289682 U JP7289682 U JP 7289682U JP S58176189 U JPS58176189 U JP S58176189U
Authority
JP
Japan
Prior art keywords
drill bit
impact drill
outer peripheral
peripheral surface
discharge space
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
JP7289682U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235746Y2 (enrdf_load_stackoverflow
Inventor
西内　一晁
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP7289682U priority Critical patent/JPS58176189U/ja
Publication of JPS58176189U publication Critical patent/JPS58176189U/ja
Application granted granted Critical
Publication of JPS6235746Y2 publication Critical patent/JPS6235746Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP7289682U 1982-05-17 1982-05-17 衝撃式ドリル用ビツト Granted JPS58176189U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7289682U JPS58176189U (ja) 1982-05-17 1982-05-17 衝撃式ドリル用ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7289682U JPS58176189U (ja) 1982-05-17 1982-05-17 衝撃式ドリル用ビツト

Publications (2)

Publication Number Publication Date
JPS58176189U true JPS58176189U (ja) 1983-11-25
JPS6235746Y2 JPS6235746Y2 (enrdf_load_stackoverflow) 1987-09-10

Family

ID=30082434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7289682U Granted JPS58176189U (ja) 1982-05-17 1982-05-17 衝撃式ドリル用ビツト

Country Status (1)

Country Link
JP (1) JPS58176189U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100312094B1 (ko) * 1999-04-17 2001-11-03 김동남 굴착기 비트

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100312094B1 (ko) * 1999-04-17 2001-11-03 김동남 굴착기 비트

Also Published As

Publication number Publication date
JPS6235746Y2 (enrdf_load_stackoverflow) 1987-09-10

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