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DE338885C - Compressed air hammer drill with a device to prevent the compressed air from being blown out after the borehole - Google Patents

Compressed air hammer drill with a device to prevent the compressed air from being blown out after the borehole

Info

Publication number
DE338885C
DE338885C DENDAT338885D DE338885DD DE338885C DE 338885 C DE338885 C DE 338885C DE NDAT338885 D DENDAT338885 D DE NDAT338885D DE 338885D D DE338885D D DE 338885DD DE 338885 C DE338885 C DE 338885C
Authority
DE
Germany
Prior art keywords
compressed air
borehole
prevent
blown out
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
DENDAT338885D
Other languages
German (de)
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
Publication date
Application granted granted Critical
Publication of DE338885C publication Critical patent/DE338885C/en
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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes

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)
  • Earth Drilling (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (1)

Patent-Anspruch:Patent claim: Preßluft-Bohrhammer mit Einrichtung zur Verhinderung des Ausblasens der Preßluft nach dem Bohrloch zu, dadurch gekennzeichnet, daß die Bohrerhülse (α) im Innern mit einer Abdichtungsbüchse (c) und am Umfange mit einem Abdichtungsring (e) versehen ist.Pneumatic hammer drill with device to prevent the compressed air from being blown out after the borehole, characterized in that the drill sleeve (α) is provided on the inside with a sealing sleeve (c) and on the circumference with a sealing ring (e).
DENDAT338885D Compressed air hammer drill with a device to prevent the compressed air from being blown out after the borehole Expired DE338885C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE338885T

Publications (1)

Publication Number Publication Date
DE338885C true DE338885C (en) 1921-07-06

Family

ID=6223027

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT338885D Expired DE338885C (en) Compressed air hammer drill with a device to prevent the compressed air from being blown out after the borehole

Country Status (1)

Country Link
DE (1) DE338885C (en)

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