JPS5389214A - Ptolemy tube - Google Patents

Ptolemy tube

Info

Publication number
JPS5389214A
JPS5389214A JP15541476A JP15541476A JPS5389214A JP S5389214 A JPS5389214 A JP S5389214A JP 15541476 A JP15541476 A JP 15541476A JP 15541476 A JP15541476 A JP 15541476A JP S5389214 A JPS5389214 A JP S5389214A
Authority
JP
Japan
Prior art keywords
ptolemy
tube
ptolemy tube
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.)
Pending
Application number
JP15541476A
Other languages
Japanese (ja)
Inventor
Toshihiro Fujii
Tadao Abiru
Katsuji Sugino
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.)
Toda Corp
Original Assignee
Toda 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 Toda Corp filed Critical Toda Corp
Priority to JP15541476A priority Critical patent/JPS5389214A/en
Publication of JPS5389214A publication Critical patent/JPS5389214A/en
Pending legal-status Critical Current

Links

Landscapes

  • Underground Or Underwater Handling Of Building Materials (AREA)
JP15541476A 1976-12-23 1976-12-23 Ptolemy tube Pending JPS5389214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15541476A JPS5389214A (en) 1976-12-23 1976-12-23 Ptolemy tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15541476A JPS5389214A (en) 1976-12-23 1976-12-23 Ptolemy tube

Publications (1)

Publication Number Publication Date
JPS5389214A true JPS5389214A (en) 1978-08-05

Family

ID=15605463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15541476A Pending JPS5389214A (en) 1976-12-23 1976-12-23 Ptolemy tube

Country Status (1)

Country Link
JP (1) JPS5389214A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6070222A (en) * 1983-09-26 1985-04-22 Kumagai Gumi Ltd Underwater concrete placer
JP2011214260A (en) * 2010-03-31 2011-10-27 Osaka City Univ Device and method for feeding earth and sand

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6070222A (en) * 1983-09-26 1985-04-22 Kumagai Gumi Ltd Underwater concrete placer
JP2011214260A (en) * 2010-03-31 2011-10-27 Osaka City Univ Device and method for feeding earth and sand

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