JPS5417301A - Mouth apparatus for pressure drilling - Google Patents

Mouth apparatus for pressure drilling

Info

Publication number
JPS5417301A
JPS5417301A JP8233177A JP8233177A JPS5417301A JP S5417301 A JPS5417301 A JP S5417301A JP 8233177 A JP8233177 A JP 8233177A JP 8233177 A JP8233177 A JP 8233177A JP S5417301 A JPS5417301 A JP S5417301A
Authority
JP
Japan
Prior art keywords
pressure drilling
mouth apparatus
mouth
drilling
pressure
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
JP8233177A
Other languages
Japanese (ja)
Other versions
JPS5834639B2 (en
Inventor
Yutaka Mochida
Sadao Katsuragi
Haruo Ooshika
Jiyun Shinjiyou
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.)
Koken Boring Machine Co Ltd
Original Assignee
Koken Boring Machine Co Ltd
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 Koken Boring Machine Co Ltd filed Critical Koken Boring Machine Co Ltd
Priority to JP8233177A priority Critical patent/JPS5834639B2/en
Publication of JPS5417301A publication Critical patent/JPS5417301A/en
Publication of JPS5834639B2 publication Critical patent/JPS5834639B2/en
Expired legal-status Critical Current

Links

JP8233177A 1977-07-09 1977-07-09 Mouth device for pressurized digging Expired JPS5834639B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8233177A JPS5834639B2 (en) 1977-07-09 1977-07-09 Mouth device for pressurized digging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8233177A JPS5834639B2 (en) 1977-07-09 1977-07-09 Mouth device for pressurized digging

Publications (2)

Publication Number Publication Date
JPS5417301A true JPS5417301A (en) 1979-02-08
JPS5834639B2 JPS5834639B2 (en) 1983-07-28

Family

ID=13771567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8233177A Expired JPS5834639B2 (en) 1977-07-09 1977-07-09 Mouth device for pressurized digging

Country Status (1)

Country Link
JP (1) JPS5834639B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60500453A (en) * 1983-02-28 1985-04-04 アサ−コ・インコ−ポレ−テッド Method for adding thioureas to electrolytic solutions useful for copper smelting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60500453A (en) * 1983-02-28 1985-04-04 アサ−コ・インコ−ポレ−テッド Method for adding thioureas to electrolytic solutions useful for copper smelting
JPS6230271B2 (en) * 1983-02-28 1987-07-01 Asarco Inc

Also Published As

Publication number Publication date
JPS5834639B2 (en) 1983-07-28

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