JP2502404Y2 - シ−ルド掘進機の余掘り装置 - Google Patents

シ−ルド掘進機の余掘り装置

Info

Publication number
JP2502404Y2
JP2502404Y2 JP1990029109U JP2910990U JP2502404Y2 JP 2502404 Y2 JP2502404 Y2 JP 2502404Y2 JP 1990029109 U JP1990029109 U JP 1990029109U JP 2910990 U JP2910990 U JP 2910990U JP 2502404 Y2 JP2502404 Y2 JP 2502404Y2
Authority
JP
Japan
Prior art keywords
cutter
shank
hydraulic jack
digging
cylinder
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
JP1990029109U
Other languages
English (en)
Japanese (ja)
Other versions
JPH03122197U (en, 2012
Inventor
道明 森田
清 土屋
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP1990029109U priority Critical patent/JP2502404Y2/ja
Publication of JPH03122197U publication Critical patent/JPH03122197U/ja
Application granted granted Critical
Publication of JP2502404Y2 publication Critical patent/JP2502404Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1990029109U 1990-03-23 1990-03-23 シ−ルド掘進機の余掘り装置 Expired - Lifetime JP2502404Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990029109U JP2502404Y2 (ja) 1990-03-23 1990-03-23 シ−ルド掘進機の余掘り装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990029109U JP2502404Y2 (ja) 1990-03-23 1990-03-23 シ−ルド掘進機の余掘り装置

Publications (2)

Publication Number Publication Date
JPH03122197U JPH03122197U (en, 2012) 1991-12-13
JP2502404Y2 true JP2502404Y2 (ja) 1996-06-26

Family

ID=31531885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990029109U Expired - Lifetime JP2502404Y2 (ja) 1990-03-23 1990-03-23 シ−ルド掘進機の余掘り装置

Country Status (1)

Country Link
JP (1) JP2502404Y2 (en, 2012)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6015836Y2 (ja) * 1979-05-08 1985-05-17 石川島播磨重工業株式会社 シ−ルド掘進機用オ−バカツタ−
JPH0526156Y2 (en, 2012) * 1987-08-21 1993-07-01

Also Published As

Publication number Publication date
JPH03122197U (en, 2012) 1991-12-13

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term