JPH07550Y2 - 両方向切削ビット - Google Patents

両方向切削ビット

Info

Publication number
JPH07550Y2
JPH07550Y2 JP1988086292U JP8629288U JPH07550Y2 JP H07550 Y2 JPH07550 Y2 JP H07550Y2 JP 1988086292 U JP1988086292 U JP 1988086292U JP 8629288 U JP8629288 U JP 8629288U JP H07550 Y2 JPH07550 Y2 JP H07550Y2
Authority
JP
Japan
Prior art keywords
cemented carbide
tip
cutting bit
carbide tip
base material
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
JP1988086292U
Other languages
English (en)
Japanese (ja)
Other versions
JPH026795U (US07541385-20090602-C00001.png
Inventor
豊 加島
紀夫 近藤
Original Assignee
大豊建設株式会社
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 大豊建設株式会社 filed Critical 大豊建設株式会社
Priority to JP1988086292U priority Critical patent/JPH07550Y2/ja
Publication of JPH026795U publication Critical patent/JPH026795U/ja
Application granted granted Critical
Publication of JPH07550Y2 publication Critical patent/JPH07550Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1988086292U 1988-06-29 1988-06-29 両方向切削ビット Expired - Lifetime JPH07550Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988086292U JPH07550Y2 (ja) 1988-06-29 1988-06-29 両方向切削ビット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988086292U JPH07550Y2 (ja) 1988-06-29 1988-06-29 両方向切削ビット

Publications (2)

Publication Number Publication Date
JPH026795U JPH026795U (US07541385-20090602-C00001.png) 1990-01-17
JPH07550Y2 true JPH07550Y2 (ja) 1995-01-11

Family

ID=31310931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988086292U Expired - Lifetime JPH07550Y2 (ja) 1988-06-29 1988-06-29 両方向切削ビット

Country Status (1)

Country Link
JP (1) JPH07550Y2 (US07541385-20090602-C00001.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2510379Y2 (ja) * 1990-07-04 1996-09-11 日立建機株式会社 シ―ルド掘進機のフィッシュテ―ルビット
JP4734735B2 (ja) * 2001-03-02 2011-07-27 株式会社タンガロイ 両方向掘削ビット

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931697U (ja) * 1982-08-19 1984-02-27 日立造船株式会社 シ−ルド掘進機のカツタ−
JPH0338314Y2 (US07541385-20090602-C00001.png) * 1985-01-11 1991-08-13
JPS62190786U (US07541385-20090602-C00001.png) * 1986-05-21 1987-12-04

Also Published As

Publication number Publication date
JPH026795U (US07541385-20090602-C00001.png) 1990-01-17

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