JPS58145393U - 鉄筋コンクリ−ト穿孔用ビツト - Google Patents

鉄筋コンクリ−ト穿孔用ビツト

Info

Publication number
JPS58145393U
JPS58145393U JP4122082U JP4122082U JPS58145393U JP S58145393 U JPS58145393 U JP S58145393U JP 4122082 U JP4122082 U JP 4122082U JP 4122082 U JP4122082 U JP 4122082U JP S58145393 U JPS58145393 U JP S58145393U
Authority
JP
Japan
Prior art keywords
reinforced concrete
drilling bit
concrete drilling
cutting edge
bit
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
JP4122082U
Other languages
English (en)
Japanese (ja)
Other versions
JPS636313Y2 (enrdf_load_stackoverflow
Inventor
米雄 日和佐
千葉　政次
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.)
YAMAMOTO ENG.WORKS CO.,LTD.
Mitsubishi Materials Corp
Original Assignee
YAMAMOTO ENG.WORKS CO.,LTD.
Mitsubishi Materials 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 YAMAMOTO ENG.WORKS CO.,LTD., Mitsubishi Materials Corp filed Critical YAMAMOTO ENG.WORKS CO.,LTD.
Priority to JP4122082U priority Critical patent/JPS58145393U/ja
Publication of JPS58145393U publication Critical patent/JPS58145393U/ja
Application granted granted Critical
Publication of JPS636313Y2 publication Critical patent/JPS636313Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Working Measures On Existing Buildindgs (AREA)
JP4122082U 1982-03-24 1982-03-24 鉄筋コンクリ−ト穿孔用ビツト Granted JPS58145393U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4122082U JPS58145393U (ja) 1982-03-24 1982-03-24 鉄筋コンクリ−ト穿孔用ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4122082U JPS58145393U (ja) 1982-03-24 1982-03-24 鉄筋コンクリ−ト穿孔用ビツト

Publications (2)

Publication Number Publication Date
JPS58145393U true JPS58145393U (ja) 1983-09-30
JPS636313Y2 JPS636313Y2 (enrdf_load_stackoverflow) 1988-02-22

Family

ID=30052405

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4122082U Granted JPS58145393U (ja) 1982-03-24 1982-03-24 鉄筋コンクリ−ト穿孔用ビツト

Country Status (1)

Country Link
JP (1) JPS58145393U (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100278577B1 (ko) * 1998-06-18 2001-01-15 송성환 착암기용 다각형 범용 비트
JP2013209828A (ja) * 2012-03-30 2013-10-10 Osaka Bosui Constr Co Ltd 先端ビットおよび削孔装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100278577B1 (ko) * 1998-06-18 2001-01-15 송성환 착암기용 다각형 범용 비트
JP2013209828A (ja) * 2012-03-30 2013-10-10 Osaka Bosui Constr Co Ltd 先端ビットおよび削孔装置

Also Published As

Publication number Publication date
JPS636313Y2 (enrdf_load_stackoverflow) 1988-02-22

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