JPS6158268U - - Google Patents

Info

Publication number
JPS6158268U
JPS6158268U JP14277784U JP14277784U JPS6158268U JP S6158268 U JPS6158268 U JP S6158268U JP 14277784 U JP14277784 U JP 14277784U JP 14277784 U JP14277784 U JP 14277784U JP S6158268 U JPS6158268 U JP S6158268U
Authority
JP
Japan
Prior art keywords
case
cutter
drag
bulkhead
drag head
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
JP14277784U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0316923Y2 (enrdf_load_stackoverflow
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 filed Critical
Priority to JP1984142777U priority Critical patent/JPH0316923Y2/ja
Publication of JPS6158268U publication Critical patent/JPS6158268U/ja
Application granted granted Critical
Publication of JPH0316923Y2 publication Critical patent/JPH0316923Y2/ja
Expired legal-status Critical Current

Links

JP1984142777U 1984-09-18 1984-09-18 Expired JPH0316923Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984142777U JPH0316923Y2 (enrdf_load_stackoverflow) 1984-09-18 1984-09-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984142777U JPH0316923Y2 (enrdf_load_stackoverflow) 1984-09-18 1984-09-18

Publications (2)

Publication Number Publication Date
JPS6158268U true JPS6158268U (enrdf_load_stackoverflow) 1986-04-19
JPH0316923Y2 JPH0316923Y2 (enrdf_load_stackoverflow) 1991-04-10

Family

ID=30701090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984142777U Expired JPH0316923Y2 (enrdf_load_stackoverflow) 1984-09-18 1984-09-18

Country Status (1)

Country Link
JP (1) JPH0316923Y2 (enrdf_load_stackoverflow)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021436U (enrdf_load_stackoverflow) * 1973-06-22 1975-03-11
JPS5212511U (enrdf_load_stackoverflow) * 1975-07-15 1977-01-28
JPS5243931U (enrdf_load_stackoverflow) * 1975-09-18 1977-03-29
JPS54121499U (enrdf_load_stackoverflow) * 1978-02-15 1979-08-25
JPS57190844A (en) * 1981-05-18 1982-11-24 Mitsubishi Heavy Ind Ltd Drag head with contact pressure regulating tank

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021436U (enrdf_load_stackoverflow) * 1973-06-22 1975-03-11
JPS5212511U (enrdf_load_stackoverflow) * 1975-07-15 1977-01-28
JPS5243931U (enrdf_load_stackoverflow) * 1975-09-18 1977-03-29
JPS54121499U (enrdf_load_stackoverflow) * 1978-02-15 1979-08-25
JPS57190844A (en) * 1981-05-18 1982-11-24 Mitsubishi Heavy Ind Ltd Drag head with contact pressure regulating tank

Also Published As

Publication number Publication date
JPH0316923Y2 (enrdf_load_stackoverflow) 1991-04-10

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