DE179945C - - Google Patents

Info

Publication number
DE179945C
DE179945C DENDAT179945D DE179945DA DE179945C DE 179945 C DE179945 C DE 179945C DE NDAT179945 D DENDAT179945 D DE NDAT179945D DE 179945D A DE179945D A DE 179945DA DE 179945 C DE179945 C DE 179945C
Authority
DE
Germany
Prior art keywords
tube
cores
corresponds
during operation
core 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.)
Active
Application number
DENDAT179945D
Other languages
German (de)
Publication of DE179945C publication Critical patent/DE179945C/de
Active 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
    • E21B10/00—Drill bits
    • E21B10/02—Core bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling And Boring (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (1)

Patent-Anspruch:Patent claim: Kernbohrer aus einem gezahnten Stahlrohr, dadurch gekennzeichnet, daß das Rohr mit einem seitlichen, seiner lichten Weite entsprechenden .Längsschlitz versehen ist, durch welchen die Kerne während des Betriebes selbsttätig ausgetragen werden.Core drill made from a toothed steel tube, characterized in that the The tube is provided with a lateral slot that corresponds to its clear width through which the cores are automatically discharged during operation.
DENDAT179945D Active DE179945C (en)

Publications (1)

Publication Number Publication Date
DE179945C true DE179945C (en)

Family

ID=444243

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT179945D Active DE179945C (en)

Country Status (1)

Country Link
DE (1) DE179945C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847227A (en) * 1973-06-05 1974-11-12 H Myers Garden tool
EP0334934A1 (en) * 1987-09-28 1989-10-04 Bulb Bopper, Inc. Soil auger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847227A (en) * 1973-06-05 1974-11-12 H Myers Garden tool
EP0334934A1 (en) * 1987-09-28 1989-10-04 Bulb Bopper, Inc. Soil auger
EP0334934A4 (en) * 1987-09-28 1992-02-05 Bulb Bopper, Inc. Soil auger

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