DE655522C - Rohrfoermiger Rammbohrer - Google Patents

Rohrfoermiger Rammbohrer

Info

Publication number
DE655522C
DE655522C DEW96796D DEW0096796D DE655522C DE 655522 C DE655522 C DE 655522C DE W96796 D DEW96796 D DE W96796D DE W0096796 D DEW0096796 D DE W0096796D DE 655522 C DE655522 C DE 655522C
Authority
DE
Germany
Prior art keywords
tubular ram
ram drill
drill
tubular
core pipe
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
DEW96796D
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.)
ERNA GERTRUD WOJTKOWIAK
HERMANN THOMAS WOJTKOWIAK
KURT WERNER WERNER WOJTKOWIAK
LUCIE URSULA WOJTKOWIAK
Original Assignee
ERNA GERTRUD WOJTKOWIAK
HERMANN THOMAS WOJTKOWIAK
KURT WERNER WERNER WOJTKOWIAK
LUCIE URSULA WOJTKOWIAK
Publication date
Priority to DEW96796D priority Critical patent/DE655522C/de
Application granted granted Critical
Publication of DE655522C publication Critical patent/DE655522C/de
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
    • E21B11/00—Other drilling tools
    • E21B11/02—Boring rams

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling And Boring (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Description

Hierzu 1 Blatt Zeichnungen

Claims (1)

  1. Patentanspruch: :
    Rohrförmiger Rammbohrer, in dessen Innerem der Rammbär sich auf und ab bewegt und der mit diesem zusammen ins Bohrloch eingelassen wird, dadurch gekennzeichnet, daß der am Kernrohr (f) angeordnete Schneidschuh (g) im Durchmesser seiner Ringschneide mit dem Durchmesser des Kernrohres (f) übereinstimmt.
DEW96796D Rohrfoermiger Rammbohrer Expired DE655522C (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEW96796D DE655522C (de) Rohrfoermiger Rammbohrer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW96796D DE655522C (de) Rohrfoermiger Rammbohrer

Publications (1)

Publication Number Publication Date
DE655522C true DE655522C (de) 1938-01-17

Family

ID=7614625

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW96796D Expired DE655522C (de) Rohrfoermiger Rammbohrer

Country Status (1)

Country Link
DE (1) DE655522C (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1018815B (de) * 1952-06-23 1957-11-07 Braunkohlen Und Briketwerke Ro Verfahren und Vorrichtung zur Herstellung von Bohrloechern
FR2461804A1 (fr) * 1979-06-13 1981-02-06 Inst Gornogo Dela Sibirskogo O Outil de forage pour appareil a percussion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1018815B (de) * 1952-06-23 1957-11-07 Braunkohlen Und Briketwerke Ro Verfahren und Vorrichtung zur Herstellung von Bohrloechern
FR2461804A1 (fr) * 1979-06-13 1981-02-06 Inst Gornogo Dela Sibirskogo O Outil de forage pour appareil a percussion

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