JPH072179Y2 - コンクリート穿孔用回転ドリル - Google Patents

コンクリート穿孔用回転ドリル

Info

Publication number
JPH072179Y2
JPH072179Y2 JP1987060424U JP6042487U JPH072179Y2 JP H072179 Y2 JPH072179 Y2 JP H072179Y2 JP 1987060424 U JP1987060424 U JP 1987060424U JP 6042487 U JP6042487 U JP 6042487U JP H072179 Y2 JPH072179 Y2 JP H072179Y2
Authority
JP
Japan
Prior art keywords
cutting
hole
cutting member
transverse groove
medium
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
JP1987060424U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63166403U (US20020095090A1-20020718-M00002.png
Inventor
紘光 沖長
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.)
NIKKEN TOOL CO Ltd
Original Assignee
NIKKEN TOOL CO 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 NIKKEN TOOL CO Ltd filed Critical NIKKEN TOOL CO Ltd
Priority to JP1987060424U priority Critical patent/JPH072179Y2/ja
Priority to DE3788094T priority patent/DE3788094T2/de
Priority to EP87307570A priority patent/EP0260026B1/en
Priority to KR1019870009525A priority patent/KR910001814B1/ko
Publication of JPS63166403U publication Critical patent/JPS63166403U/ja
Application granted granted Critical
Publication of JPH072179Y2 publication Critical patent/JPH072179Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
JP1987060424U 1986-08-29 1987-04-21 コンクリート穿孔用回転ドリル Expired - Lifetime JPH072179Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1987060424U JPH072179Y2 (ja) 1987-04-21 1987-04-21 コンクリート穿孔用回転ドリル
DE3788094T DE3788094T2 (de) 1986-08-29 1987-08-26 Bohrer.
EP87307570A EP0260026B1 (en) 1986-08-29 1987-08-26 Drill
KR1019870009525A KR910001814B1 (ko) 1986-08-29 1987-08-29 드 릴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987060424U JPH072179Y2 (ja) 1987-04-21 1987-04-21 コンクリート穿孔用回転ドリル

Publications (2)

Publication Number Publication Date
JPS63166403U JPS63166403U (US20020095090A1-20020718-M00002.png) 1988-10-28
JPH072179Y2 true JPH072179Y2 (ja) 1995-01-25

Family

ID=30892824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987060424U Expired - Lifetime JPH072179Y2 (ja) 1986-08-29 1987-04-21 コンクリート穿孔用回転ドリル

Country Status (1)

Country Link
JP (1) JPH072179Y2 (US20020095090A1-20020718-M00002.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11165313A (ja) * 1997-12-04 1999-06-22 Nachi Fujikoshi Corp ダイヤモンド電着ドリル

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5964216U (ja) * 1982-10-25 1984-04-27 東芝タンガロイ株式会社 タイル用のドリル
JPS6087650U (ja) * 1983-11-24 1985-06-15 東急建設株式会社 ドリルの刃

Also Published As

Publication number Publication date
JPS63166403U (US20020095090A1-20020718-M00002.png) 1988-10-28

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