JPS637392Y2 - - Google Patents

Info

Publication number
JPS637392Y2
JPS637392Y2 JP1981095257U JP9525781U JPS637392Y2 JP S637392 Y2 JPS637392 Y2 JP S637392Y2 JP 1981095257 U JP1981095257 U JP 1981095257U JP 9525781 U JP9525781 U JP 9525781U JP S637392 Y2 JPS637392 Y2 JP S637392Y2
Authority
JP
Japan
Prior art keywords
segment
tube
rod
taper
protrusion
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
JP1981095257U
Other languages
English (en)
Japanese (ja)
Other versions
JPS584239U (ja
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 JP9525781U priority Critical patent/JPS584239U/ja
Publication of JPS584239U publication Critical patent/JPS584239U/ja
Application granted granted Critical
Publication of JPS637392Y2 publication Critical patent/JPS637392Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lining And Supports For Tunnels (AREA)
JP9525781U 1981-06-29 1981-06-29 セグメント式拡管機におけるセグメント形状 Granted JPS584239U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9525781U JPS584239U (ja) 1981-06-29 1981-06-29 セグメント式拡管機におけるセグメント形状

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9525781U JPS584239U (ja) 1981-06-29 1981-06-29 セグメント式拡管機におけるセグメント形状

Publications (2)

Publication Number Publication Date
JPS584239U JPS584239U (ja) 1983-01-12
JPS637392Y2 true JPS637392Y2 (pt-PT) 1988-03-02

Family

ID=29890171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9525781U Granted JPS584239U (ja) 1981-06-29 1981-06-29 セグメント式拡管機におけるセグメント形状

Country Status (1)

Country Link
JP (1) JPS584239U (pt-PT)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4983053B2 (ja) * 2006-03-09 2012-07-25 住友金属工業株式会社 メカニカルエキスパンダー及び継目無鋼管の製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4972712A (pt-PT) * 1972-11-17 1974-07-13
JPS5614034A (en) * 1979-07-16 1981-02-10 Caterpillar Tractor Co Tube expander and its method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4972712A (pt-PT) * 1972-11-17 1974-07-13
JPS5614034A (en) * 1979-07-16 1981-02-10 Caterpillar Tractor Co Tube expander and its method

Also Published As

Publication number Publication date
JPS584239U (ja) 1983-01-12

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