FR1309382A - Roller bit for soil drilling - Google Patents

Roller bit for soil drilling

Info

Publication number
FR1309382A
FR1309382A FR875068A FR875068A FR1309382A FR 1309382 A FR1309382 A FR 1309382A FR 875068 A FR875068 A FR 875068A FR 875068 A FR875068 A FR 875068A FR 1309382 A FR1309382 A FR 1309382A
Authority
FR
France
Prior art keywords
roller bit
soil drilling
drilling
soil
bit
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.)
Expired
Application number
FR875068A
Other languages
French (fr)
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.)
Hughes Tool Co
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Priority to FR875068A priority Critical patent/FR1309382A/en
Application granted granted Critical
Publication of FR1309382A publication Critical patent/FR1309382A/en
Expired legal-status Critical Current

Links

FR875068A 1961-10-05 1961-10-05 Roller bit for soil drilling Expired FR1309382A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR875068A FR1309382A (en) 1961-10-05 1961-10-05 Roller bit for soil drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR875068A FR1309382A (en) 1961-10-05 1961-10-05 Roller bit for soil drilling

Publications (1)

Publication Number Publication Date
FR1309382A true FR1309382A (en) 1962-11-16

Family

ID=8764113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875068A Expired FR1309382A (en) 1961-10-05 1961-10-05 Roller bit for soil drilling

Country Status (1)

Country Link
FR (1) FR1309382A (en)

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