FR480516A - Perfectionnement apporté aux perforatrices à percussion - Google Patents

Perfectionnement apporté aux perforatrices à percussion

Info

Publication number
FR480516A
FR480516A FR480516DA FR480516A FR 480516 A FR480516 A FR 480516A FR 480516D A FR480516D A FR 480516DA FR 480516 A FR480516 A FR 480516A
Authority
FR
France
Prior art keywords
further development
percussion drills
percussion
drills
development
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)
Inventor
Walter Edward Kimber
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR480516A publication Critical patent/FR480516A/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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
    • E21B6/08—Separate drives for percussion and rotation

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)
FR480516D 1915-03-26 1915-12-24 Perfectionnement apporté aux perforatrices à percussion Expired FR480516A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB480516X 1915-03-26

Publications (1)

Publication Number Publication Date
FR480516A true FR480516A (fr) 1916-08-17

Family

ID=1517728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR480516D Expired FR480516A (fr) 1915-03-26 1915-12-24 Perfectionnement apporté aux perforatrices à percussion

Country Status (1)

Country Link
FR (1) FR480516A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118903968A (zh) * 2024-10-10 2024-11-08 烟台豪特氧业设备有限公司 一种医用高压氧舱用空气净化过滤系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118903968A (zh) * 2024-10-10 2024-11-08 烟台豪特氧业设备有限公司 一种医用高压氧舱用空气净化过滤系统

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