JPS60226992A - 掘削装置 - Google Patents

掘削装置

Info

Publication number
JPS60226992A
JPS60226992A JP8126984A JP8126984A JPS60226992A JP S60226992 A JPS60226992 A JP S60226992A JP 8126984 A JP8126984 A JP 8126984A JP 8126984 A JP8126984 A JP 8126984A JP S60226992 A JPS60226992 A JP S60226992A
Authority
JP
Japan
Prior art keywords
excavation
cutter
rotary
rotary shaft
main body
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
JP8126984A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6330478B2 (enrdf_load_stackoverflow
Inventor
矢代　知司
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.)
SEKIYU SAKUSEIKI SEISAKU KK
Original Assignee
SEKIYU SAKUSEIKI SEISAKU KK
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 SEKIYU SAKUSEIKI SEISAKU KK filed Critical SEKIYU SAKUSEIKI SEISAKU KK
Priority to JP8126984A priority Critical patent/JPS60226992A/ja
Publication of JPS60226992A publication Critical patent/JPS60226992A/ja
Publication of JPS6330478B2 publication Critical patent/JPS6330478B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP8126984A 1984-04-23 1984-04-23 掘削装置 Granted JPS60226992A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8126984A JPS60226992A (ja) 1984-04-23 1984-04-23 掘削装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8126984A JPS60226992A (ja) 1984-04-23 1984-04-23 掘削装置

Publications (2)

Publication Number Publication Date
JPS60226992A true JPS60226992A (ja) 1985-11-12
JPS6330478B2 JPS6330478B2 (enrdf_load_stackoverflow) 1988-06-17

Family

ID=13741639

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8126984A Granted JPS60226992A (ja) 1984-04-23 1984-04-23 掘削装置

Country Status (1)

Country Link
JP (1) JPS60226992A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7108879B2 (en) 1995-03-31 2006-09-19 Jorg Peter Schur Process for improving the durability of, and/or stabilizing, microbially perishable products
US7323187B1 (en) 1999-08-27 2008-01-29 Schuer Joerg Peter Impregnation method
US7638114B1 (en) 1999-07-07 2009-12-29 Schuer Joerg Peter Method for disinfecting the air

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7108879B2 (en) 1995-03-31 2006-09-19 Jorg Peter Schur Process for improving the durability of, and/or stabilizing, microbially perishable products
US7638114B1 (en) 1999-07-07 2009-12-29 Schuer Joerg Peter Method for disinfecting the air
US7323187B1 (en) 1999-08-27 2008-01-29 Schuer Joerg Peter Impregnation method

Also Published As

Publication number Publication date
JPS6330478B2 (enrdf_load_stackoverflow) 1988-06-17

Similar Documents

Publication Publication Date Title
US5595255A (en) Rotary cone drill bit with improved support arms
US5553681A (en) Rotary cone drill bit with angled ramps
US6176329B1 (en) Drill bit with ridge-cutting cutter elements
US6246974B1 (en) Method of determining characteristics of a rotary drag-type drill bit
EP0395572A1 (en) Two-cone bit with non-opposite cones
CA1114361A (en) Universal earth formation cutter
JP2016079743A (ja) 回転圧入鋼管杭
JPS60226992A (ja) 掘削装置
CN207739942U (zh) 具有固定的刮刀以及能够旋转的切削结构的钻土工具
US2894726A (en) Drilling bit
EP0757154A2 (en) Earth boring bit with improved bearing seal
JP2018076734A (ja) 穿孔ビット、及び掘削装置
US8905163B2 (en) Rotary drill bit with improved steerability and reduced wear
US3118511A (en) Rotary drill bits
JPS587094A (ja) トンネル掘進機
GB2085049A (en) Earth boring bit
GB2167107A (en) Drilling bits
JP2001323780A (ja) シールド掘進機の回転掘削盤
JPS58218595A (ja) 回転カツタヘツド
JPS59122690A (ja) 地中穿孔ドリルビツト
JP2001098869A (ja) 掘削方法及び装置
JPS6187092A (ja) 穴掘削機械
JPS5845357Y2 (ja) 切り溝掘削用インサ−トカツタ−
JPS60238595A (ja) 地中穿孔ドリルビツト
JP3529180B2 (ja) 小口径推進装置用掘削装置