JPH0526155Y2 - - Google Patents

Info

Publication number
JPH0526155Y2
JPH0526155Y2 JP1987150687U JP15068787U JPH0526155Y2 JP H0526155 Y2 JPH0526155 Y2 JP H0526155Y2 JP 1987150687 U JP1987150687 U JP 1987150687U JP 15068787 U JP15068787 U JP 15068787U JP H0526155 Y2 JPH0526155 Y2 JP H0526155Y2
Authority
JP
Japan
Prior art keywords
tip
shank
cutter
cutter bit
cutting edge
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
JP1987150687U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6457198U (en, 2012
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 JP1987150687U priority Critical patent/JPH0526155Y2/ja
Publication of JPS6457198U publication Critical patent/JPS6457198U/ja
Application granted granted Critical
Publication of JPH0526155Y2 publication Critical patent/JPH0526155Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1987150687U 1987-10-01 1987-10-01 Expired - Lifetime JPH0526155Y2 (en, 2012)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987150687U JPH0526155Y2 (en, 2012) 1987-10-01 1987-10-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987150687U JPH0526155Y2 (en, 2012) 1987-10-01 1987-10-01

Publications (2)

Publication Number Publication Date
JPS6457198U JPS6457198U (en, 2012) 1989-04-10
JPH0526155Y2 true JPH0526155Y2 (en, 2012) 1993-07-01

Family

ID=31424052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987150687U Expired - Lifetime JPH0526155Y2 (en, 2012) 1987-10-01 1987-10-01

Country Status (1)

Country Link
JP (1) JPH0526155Y2 (en, 2012)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587094A (ja) * 1981-07-07 1983-01-14 前田建設工業株式会社 トンネル掘進機

Also Published As

Publication number Publication date
JPS6457198U (en, 2012) 1989-04-10

Similar Documents

Publication Publication Date Title
US5579856A (en) Gage surface and method for milled tooth cutting structure
US8033616B2 (en) Braze thickness control
US8007049B2 (en) Breaking or excavating tool with cemented tungsten carbide insert and ring
US4499958A (en) Drag blade bit with diamond cutting elements
US5445231A (en) Earth-burning bit having an improved hard-faced tooth structure
GB2392182A (en) Mechanically shaped hardfacing cutting/wear structures
ITTO940487A1 (it) Scalpello di perforazione con struttura del dente a superficie indurita
CN106640101A (zh) 盾构刀盘隧道内磨损修复施工方法
US4611417A (en) Non-rotatable tooth for a cylindrical socket bore
JPH0526155Y2 (en, 2012)
JP2010150806A (ja) カッタビット
JP6532434B2 (ja) 掘削機用ローラカッタおよびそれを備える掘削機
JPS587094A (ja) トンネル掘進機
JPS6019199Y2 (ja) シ−ルド掘進機用ビツト
JP3337346B2 (ja) カッティングエッジ
JP3085815B2 (ja) シールド掘削機用カッタヘッド
US11808088B2 (en) Enhanced drill bit profile for use in HDD
JPH10266756A (ja) シールド掘進機用ビット
JP2568152Y2 (ja) シールドマシンのカッタビット
JP4190271B2 (ja) 掘削用切刃
JP3229233B2 (ja) 連続壁掘削用ビット
JP2510379Y2 (ja) シ―ルド掘進機のフィッシュテ―ルビット
JP2738897B2 (ja) シールド掘進機
CN2320662Y (zh) 基础桩刀具的改良结构
JPH10184275A (ja) シールド掘進機用の掘削ビット