JPS5825039Y2 - 機械掘りシ−ルドのカツタヘツド装置 - Google Patents

機械掘りシ−ルドのカツタヘツド装置

Info

Publication number
JPS5825039Y2
JPS5825039Y2 JP1979018928U JP1892879U JPS5825039Y2 JP S5825039 Y2 JPS5825039 Y2 JP S5825039Y2 JP 1979018928 U JP1979018928 U JP 1979018928U JP 1892879 U JP1892879 U JP 1892879U JP S5825039 Y2 JPS5825039 Y2 JP S5825039Y2
Authority
JP
Japan
Prior art keywords
cutter head
earth
sand
soil
cutter
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
Application number
JP1979018928U
Other languages
English (en)
Japanese (ja)
Other versions
JPS55123096U (OSRAM
Inventor
充彦 三輪
千秋 小島
和夫 石田
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1979018928U priority Critical patent/JPS5825039Y2/ja
Publication of JPS55123096U publication Critical patent/JPS55123096U/ja
Application granted granted Critical
Publication of JPS5825039Y2 publication Critical patent/JPS5825039Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1979018928U 1979-02-19 1979-02-19 機械掘りシ−ルドのカツタヘツド装置 Expired JPS5825039Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1979018928U JPS5825039Y2 (ja) 1979-02-19 1979-02-19 機械掘りシ−ルドのカツタヘツド装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979018928U JPS5825039Y2 (ja) 1979-02-19 1979-02-19 機械掘りシ−ルドのカツタヘツド装置

Publications (2)

Publication Number Publication Date
JPS55123096U JPS55123096U (OSRAM) 1980-09-01
JPS5825039Y2 true JPS5825039Y2 (ja) 1983-05-28

Family

ID=28847082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1979018928U Expired JPS5825039Y2 (ja) 1979-02-19 1979-02-19 機械掘りシ−ルドのカツタヘツド装置

Country Status (1)

Country Link
JP (1) JPS5825039Y2 (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741278Y2 (OSRAM) * 1976-12-26 1982-09-10

Also Published As

Publication number Publication date
JPS55123096U (OSRAM) 1980-09-01

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