JPH0553920B2 - - Google Patents

Info

Publication number
JPH0553920B2
JPH0553920B2 JP27432687A JP27432687A JPH0553920B2 JP H0553920 B2 JPH0553920 B2 JP H0553920B2 JP 27432687 A JP27432687 A JP 27432687A JP 27432687 A JP27432687 A JP 27432687A JP H0553920 B2 JPH0553920 B2 JP H0553920B2
Authority
JP
Japan
Prior art keywords
bucket
shutter
tip
cutting edge
pair
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
JP27432687A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01116188A (ja
Inventor
Kenji Kono
Jukichi Suzuki
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.)
Chowa Kogyo Co Ltd
Original Assignee
Chowa Kogyo Co Ltd
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 Chowa Kogyo Co Ltd filed Critical Chowa Kogyo Co Ltd
Priority to JP27432687A priority Critical patent/JPH01116188A/ja
Publication of JPH01116188A publication Critical patent/JPH01116188A/ja
Publication of JPH0553920B2 publication Critical patent/JPH0553920B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP27432687A 1987-10-28 1987-10-28 堀削装置 Granted JPH01116188A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27432687A JPH01116188A (ja) 1987-10-28 1987-10-28 堀削装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27432687A JPH01116188A (ja) 1987-10-28 1987-10-28 堀削装置

Publications (2)

Publication Number Publication Date
JPH01116188A JPH01116188A (ja) 1989-05-09
JPH0553920B2 true JPH0553920B2 (enrdf_load_stackoverflow) 1993-08-11

Family

ID=17540097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27432687A Granted JPH01116188A (ja) 1987-10-28 1987-10-28 堀削装置

Country Status (1)

Country Link
JP (1) JPH01116188A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05321562A (ja) * 1992-05-20 1993-12-07 Kujiyaku Kensetsu:Kk グラブハンマー
US6328503B1 (en) 1997-02-19 2001-12-11 Yuy Architects And Engineers Co., Ltd. Method for constructing an underground structure

Also Published As

Publication number Publication date
JPH01116188A (ja) 1989-05-09

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