JPS57193692A - Underwater boring device - Google Patents

Underwater boring device

Info

Publication number
JPS57193692A
JPS57193692A JP7843581A JP7843581A JPS57193692A JP S57193692 A JPS57193692 A JP S57193692A JP 7843581 A JP7843581 A JP 7843581A JP 7843581 A JP7843581 A JP 7843581A JP S57193692 A JPS57193692 A JP S57193692A
Authority
JP
Japan
Prior art keywords
boring device
underwater
underwater boring
boring
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
JP7843581A
Other languages
Japanese (ja)
Other versions
JPS6234913B2 (en
Inventor
Nobuo Yoshimura
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.)
YOSHIMURA KOGYOSHO KK
Original Assignee
YOSHIMURA KOGYOSHO KK
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 YOSHIMURA KOGYOSHO KK filed Critical YOSHIMURA KOGYOSHO KK
Priority to JP7843581A priority Critical patent/JPS57193692A/en
Publication of JPS57193692A publication Critical patent/JPS57193692A/en
Publication of JPS6234913B2 publication Critical patent/JPS6234913B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP7843581A 1981-05-22 1981-05-22 Underwater boring device Granted JPS57193692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7843581A JPS57193692A (en) 1981-05-22 1981-05-22 Underwater boring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7843581A JPS57193692A (en) 1981-05-22 1981-05-22 Underwater boring device

Publications (2)

Publication Number Publication Date
JPS57193692A true JPS57193692A (en) 1982-11-29
JPS6234913B2 JPS6234913B2 (en) 1987-07-29

Family

ID=13661959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7843581A Granted JPS57193692A (en) 1981-05-22 1981-05-22 Underwater boring device

Country Status (1)

Country Link
JP (1) JPS57193692A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012172376A (en) * 2011-02-21 2012-09-10 Chuo Kaihatsu Kk Tilt-free drilling device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220922A (en) * 1975-07-05 1977-02-17 Daido Steel Co Ltd Free cutting ferrite stainless steel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220922A (en) * 1975-07-05 1977-02-17 Daido Steel Co Ltd Free cutting ferrite stainless steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012172376A (en) * 2011-02-21 2012-09-10 Chuo Kaihatsu Kk Tilt-free drilling device

Also Published As

Publication number Publication date
JPS6234913B2 (en) 1987-07-29

Similar Documents

Publication Publication Date Title
DE3271141D1 (en) Drilling device
JPS57130693A (en) Well drilling apparatus
GB2108552B (en) Earth boring apparatus
JPS57132999A (en) Drilling forming device
GB2094275B (en) Cork-extracting device
DE3274204D1 (en) Drill chucks
GB2039575B (en) Underwater drilling
GB2094101B (en) Underwater acoustic devices
DE3264205D1 (en) Tree-transplanting device
GB2094852B (en) Submarine core drilling unit
JPS57165587A (en) Drilling apparatus
JPS57158492A (en) Device for positioning center for drill drill
DE3260339D1 (en) Boring device
JPS57144609A (en) Drill
ZA817966B (en) Earth boring device
DE3474050D1 (en) Drilling device
JPS57193692A (en) Underwater boring device
JPS57201492A (en) Drilling apparatus
JPS57151588A (en) Guyless derrick device
DE3262217D1 (en) Cutting device
GB2102314B (en) Drills
JPS57160891A (en) Guyless derrick device
JPS57143088A (en) Drilling apparatus
GB2099052B (en) Euqiment for use underwater
ZA827532B (en) Drilling device