JPS6331197U - - Google Patents

Info

Publication number
JPS6331197U
JPS6331197U JP12254586U JP12254586U JPS6331197U JP S6331197 U JPS6331197 U JP S6331197U JP 12254586 U JP12254586 U JP 12254586U JP 12254586 U JP12254586 U JP 12254586U JP S6331197 U JPS6331197 U JP S6331197U
Authority
JP
Japan
Prior art keywords
packing
wellhead
utility
model registration
provided radially
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
JP12254586U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0412147Y2 (ar
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 JP1986122545U priority Critical patent/JPH0412147Y2/ja
Publication of JPS6331197U publication Critical patent/JPS6331197U/ja
Application granted granted Critical
Publication of JPH0412147Y2 publication Critical patent/JPH0412147Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1986122545U 1986-08-08 1986-08-08 Expired JPH0412147Y2 (ar)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986122545U JPH0412147Y2 (ar) 1986-08-08 1986-08-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986122545U JPH0412147Y2 (ar) 1986-08-08 1986-08-08

Publications (2)

Publication Number Publication Date
JPS6331197U true JPS6331197U (ar) 1988-02-29
JPH0412147Y2 JPH0412147Y2 (ar) 1992-03-25

Family

ID=31012832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986122545U Expired JPH0412147Y2 (ar) 1986-08-08 1986-08-08

Country Status (1)

Country Link
JP (1) JPH0412147Y2 (ar)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01270169A (ja) * 1988-04-21 1989-10-27 Nippon Telegr & Teleph Corp <Ntt> 言語解析装置
JPH0223091U (ar) * 1988-07-28 1990-02-15
JPH03290596A (ja) * 1990-04-07 1991-12-20 Kanazawa Seisakusho:Kk 竪坑のトンネルセグメント接続構造
JP2010116735A (ja) * 2008-11-13 2010-05-27 Fujita Corp シールドマシン発進用のエントランス
JP2012097421A (ja) * 2010-10-29 2012-05-24 Daiei Kensetsu Kk 止水装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3326417B2 (ja) * 1999-12-24 2002-09-24 昭和工業株式会社 坑道掘進機用エントランスシール装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4919765U (ar) * 1972-05-22 1974-02-19
JPS50111843A (ar) * 1974-02-12 1975-09-02
JPS60129396A (ja) * 1983-12-16 1985-07-10 五洋建設株式会社 小径管推進埋設工法における挿入端部止水方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4919765U (ar) * 1972-05-22 1974-02-19
JPS50111843A (ar) * 1974-02-12 1975-09-02
JPS60129396A (ja) * 1983-12-16 1985-07-10 五洋建設株式会社 小径管推進埋設工法における挿入端部止水方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01270169A (ja) * 1988-04-21 1989-10-27 Nippon Telegr & Teleph Corp <Ntt> 言語解析装置
JPH0223091U (ar) * 1988-07-28 1990-02-15
JPH03290596A (ja) * 1990-04-07 1991-12-20 Kanazawa Seisakusho:Kk 竪坑のトンネルセグメント接続構造
JP2010116735A (ja) * 2008-11-13 2010-05-27 Fujita Corp シールドマシン発進用のエントランス
JP2012097421A (ja) * 2010-10-29 2012-05-24 Daiei Kensetsu Kk 止水装置

Also Published As

Publication number Publication date
JPH0412147Y2 (ar) 1992-03-25

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