JPH052079B2 - - Google Patents

Info

Publication number
JPH052079B2
JPH052079B2 JP5296087A JP5296087A JPH052079B2 JP H052079 B2 JPH052079 B2 JP H052079B2 JP 5296087 A JP5296087 A JP 5296087A JP 5296087 A JP5296087 A JP 5296087A JP H052079 B2 JPH052079 B2 JP H052079B2
Authority
JP
Japan
Prior art keywords
fixed sleeve
drilling
rotary drive
drive unit
outer periphery
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
JP5296087A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63219787A (ja
Inventor
Akira Akimoto
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.)
ASAHI ENGINEERING
Original Assignee
ASAHI ENGINEERING
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 ASAHI ENGINEERING filed Critical ASAHI ENGINEERING
Priority to JP5296087A priority Critical patent/JPS63219787A/ja
Publication of JPS63219787A publication Critical patent/JPS63219787A/ja
Publication of JPH052079B2 publication Critical patent/JPH052079B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP5296087A 1987-03-10 1987-03-10 削孔装置 Granted JPS63219787A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5296087A JPS63219787A (ja) 1987-03-10 1987-03-10 削孔装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5296087A JPS63219787A (ja) 1987-03-10 1987-03-10 削孔装置

Publications (2)

Publication Number Publication Date
JPS63219787A JPS63219787A (ja) 1988-09-13
JPH052079B2 true JPH052079B2 (pm) 1993-01-11

Family

ID=12929457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5296087A Granted JPS63219787A (ja) 1987-03-10 1987-03-10 削孔装置

Country Status (1)

Country Link
JP (1) JPS63219787A (pm)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4011084A1 (de) * 1990-04-05 1991-10-10 Boehringer Mannheim Gmbh Saccharid-modifizierte, wasserloesliche proteine
JP2981164B2 (ja) 1996-01-18 1999-11-22 有限会社河野興業 掘削装置
JP3640371B2 (ja) 1998-09-07 2005-04-20 株式会社横山基礎工事 穿孔工法用回転反力支持装置

Also Published As

Publication number Publication date
JPS63219787A (ja) 1988-09-13

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