JPH0453879U - - Google Patents

Info

Publication number
JPH0453879U
JPH0453879U JP9551890U JP9551890U JPH0453879U JP H0453879 U JPH0453879 U JP H0453879U JP 9551890 U JP9551890 U JP 9551890U JP 9551890 U JP9551890 U JP 9551890U JP H0453879 U JPH0453879 U JP H0453879U
Authority
JP
Japan
Prior art keywords
cutter bit
cutting edge
grained
cemented carbide
bit tip
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.)
Pending
Application number
JP9551890U
Other languages
English (en)
Japanese (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 JP9551890U priority Critical patent/JPH0453879U/ja
Publication of JPH0453879U publication Critical patent/JPH0453879U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
JP9551890U 1990-09-13 1990-09-13 Pending JPH0453879U (xx)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9551890U JPH0453879U (xx) 1990-09-13 1990-09-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9551890U JPH0453879U (xx) 1990-09-13 1990-09-13

Publications (1)

Publication Number Publication Date
JPH0453879U true JPH0453879U (xx) 1992-05-08

Family

ID=31834283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9551890U Pending JPH0453879U (xx) 1990-09-13 1990-09-13

Country Status (1)

Country Link
JP (1) JPH0453879U (xx)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02204592A (ja) * 1989-02-01 1990-08-14 Mitsubishi Heavy Ind Ltd 掘削用カッタ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02204592A (ja) * 1989-02-01 1990-08-14 Mitsubishi Heavy Ind Ltd 掘削用カッタ

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