JPS5578788A - Excavating pipe and assembly of same - Google Patents

Excavating pipe and assembly of same

Info

Publication number
JPS5578788A
JPS5578788A JP15186878A JP15186878A JPS5578788A JP S5578788 A JPS5578788 A JP S5578788A JP 15186878 A JP15186878 A JP 15186878A JP 15186878 A JP15186878 A JP 15186878A JP S5578788 A JPS5578788 A JP S5578788A
Authority
JP
Japan
Prior art keywords
assembly
same
excavating pipe
excavating
pipe
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
JP15186878A
Other languages
Japanese (ja)
Inventor
Robaato Giyaretsuto Uiriamu
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.)
Smith International Inc
Original Assignee
Smith International Inc
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 Smith International Inc filed Critical Smith International Inc
Priority to JP15186878A priority Critical patent/JPS5578788A/en
Publication of JPS5578788A publication Critical patent/JPS5578788A/en
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP15186878A 1978-12-06 1978-12-06 Excavating pipe and assembly of same Pending JPS5578788A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15186878A JPS5578788A (en) 1978-12-06 1978-12-06 Excavating pipe and assembly of same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15186878A JPS5578788A (en) 1978-12-06 1978-12-06 Excavating pipe and assembly of same

Publications (1)

Publication Number Publication Date
JPS5578788A true JPS5578788A (en) 1980-06-13

Family

ID=15527968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15186878A Pending JPS5578788A (en) 1978-12-06 1978-12-06 Excavating pipe and assembly of same

Country Status (1)

Country Link
JP (1) JPS5578788A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62215793A (en) * 1986-03-13 1987-09-22 株式会社クボタ Abrasion resistant blast joint for tubing of petroleum and natural gas producing oil well

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62215793A (en) * 1986-03-13 1987-09-22 株式会社クボタ Abrasion resistant blast joint for tubing of petroleum and natural gas producing oil well

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