FR424998A - Marteau perforateur à avancement automatique - Google Patents

Marteau perforateur à avancement automatique

Info

Publication number
FR424998A
FR424998A FR424998DA FR424998A FR 424998 A FR424998 A FR 424998A FR 424998D A FR424998D A FR 424998DA FR 424998 A FR424998 A FR 424998A
Authority
FR
France
Prior art keywords
self
hammer drill
advancing
advancing hammer
drill
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
Eduard Altenhoff
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 FR424998A publication Critical patent/FR424998A/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
    • E21B44/08—Automatic control of the tool feed in response to the amplitude of the movement of the percussion tool, e.g. jump or recoil

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)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Drilling And Boring (AREA)
FR424998D 1910-01-22 1911-01-18 Marteau perforateur à avancement automatique Expired FR424998A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE245264T 1910-01-22

Publications (1)

Publication Number Publication Date
FR424998A true FR424998A (fr) 1911-05-30

Family

ID=32798572

Family Applications (1)

Application Number Title Priority Date Filing Date
FR424998D Expired FR424998A (fr) 1910-01-22 1911-01-18 Marteau perforateur à avancement automatique

Country Status (3)

Country Link
DE (4) DE245264C (fr)
FR (1) FR424998A (fr)
GB (2) GB191101641A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649350A (en) * 1948-07-27 1953-08-18 Backus Edward Dickerson Foldable cabinet
US4306626A (en) * 1980-05-21 1981-12-22 Duke John W Hydraulic earth boring machine

Also Published As

Publication number Publication date
DE245264C (fr)
DE247769C (fr)
GB191101641A (en) 1911-07-27
GB191117128A (en) 1912-05-09
DE249588C (fr)
DE251568C (fr)

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