FR868571A - Perforatrice - Google Patents

Perforatrice

Info

Publication number
FR868571A
FR868571A FR868571DA FR868571A FR 868571 A FR868571 A FR 868571A FR 868571D A FR868571D A FR 868571DA FR 868571 A FR868571 A FR 868571A
Authority
FR
France
Prior art keywords
punch
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
Other languages
English (en)
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.)
Sullivan Machinery Co
Original Assignee
Sullivan Machinery 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 Sullivan Machinery Co filed Critical Sullivan Machinery Co
Application granted granted Critical
Publication of FR868571A publication Critical patent/FR868571A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR868571D 1939-04-19 1940-04-19 Perforatrice Expired FR868571A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US868571XA 1939-04-19 1939-04-19

Publications (1)

Publication Number Publication Date
FR868571A true FR868571A (fr) 1942-01-07

Family

ID=22201351

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868571D Expired FR868571A (fr) 1939-04-19 1940-04-19 Perforatrice

Country Status (1)

Country Link
FR (1) FR868571A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113090304A (zh) * 2021-04-30 2021-07-09 中煤科工开采研究院有限公司 锚注锚杆支护施工方法
CN116499799A (zh) * 2023-07-03 2023-07-28 承德周道路桥有限公司 一种公路路面施工质量检测取样装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113090304A (zh) * 2021-04-30 2021-07-09 中煤科工开采研究院有限公司 锚注锚杆支护施工方法
CN113090304B (zh) * 2021-04-30 2023-11-24 中煤科工开采研究院有限公司 锚注锚杆支护施工方法
CN116499799A (zh) * 2023-07-03 2023-07-28 承德周道路桥有限公司 一种公路路面施工质量检测取样装置
CN116499799B (zh) * 2023-07-03 2023-09-08 承德周道路桥有限公司 一种公路路面施工质量检测取样装置

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