JPS5724790A - Bottom expansion for building foundation and hole excavator therefor - Google Patents

Bottom expansion for building foundation and hole excavator therefor

Info

Publication number
JPS5724790A
JPS5724790A JP9851880A JP9851880A JPS5724790A JP S5724790 A JPS5724790 A JP S5724790A JP 9851880 A JP9851880 A JP 9851880A JP 9851880 A JP9851880 A JP 9851880A JP S5724790 A JPS5724790 A JP S5724790A
Authority
JP
Japan
Prior art keywords
building foundation
bottom expansion
hole excavator
therefor
excavator therefor
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
JP9851880A
Other languages
Japanese (ja)
Inventor
Teruo Koi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP9851880A priority Critical patent/JPS5724790A/en
Publication of JPS5724790A publication Critical patent/JPS5724790A/en
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP9851880A 1980-07-17 1980-07-17 Bottom expansion for building foundation and hole excavator therefor Pending JPS5724790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9851880A JPS5724790A (en) 1980-07-17 1980-07-17 Bottom expansion for building foundation and hole excavator therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9851880A JPS5724790A (en) 1980-07-17 1980-07-17 Bottom expansion for building foundation and hole excavator therefor

Publications (1)

Publication Number Publication Date
JPS5724790A true JPS5724790A (en) 1982-02-09

Family

ID=14221864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9851880A Pending JPS5724790A (en) 1980-07-17 1980-07-17 Bottom expansion for building foundation and hole excavator therefor

Country Status (1)

Country Link
JP (1) JPS5724790A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50106402A (en) * 1974-01-31 1975-08-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50106402A (en) * 1974-01-31 1975-08-21

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