DK124183B - Stenbor med som transportsnegl udformet skaft. - Google Patents

Stenbor med som transportsnegl udformet skaft.

Info

Publication number
DK124183B
DK124183B DK83471AA DK83471A DK124183B DK 124183 B DK124183 B DK 124183B DK 83471A A DK83471A A DK 83471AA DK 83471 A DK83471 A DK 83471A DK 124183 B DK124183 B DK 124183B
Authority
DK
Denmark
Prior art keywords
transport auger
shaft designed
stone drill
drill
stone
Prior art date
Application number
DK83471AA
Other languages
English (en)
Inventor
O Boehm
W Scholz
Original Assignee
Werkzeugbau Gmbh
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
Priority claimed from DE19702014870 external-priority patent/DE2014870A1/de
Priority claimed from DE19702041985 external-priority patent/DE2041985B1/de
Application filed by Werkzeugbau Gmbh filed Critical Werkzeugbau Gmbh
Publication of DK124183B publication Critical patent/DK124183B/da

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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22—Rods or pipes with helical structure

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)
DK83471AA 1970-03-26 1971-02-24 Stenbor med som transportsnegl udformet skaft. DK124183B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702014870 DE2014870A1 (da) 1970-03-26 1970-03-26
DE19702041985 DE2041985B1 (de) 1970-08-25 1970-08-25 Gesteinsbohrer

Publications (1)

Publication Number Publication Date
DK124183B true DK124183B (da) 1972-09-25

Family

ID=25758894

Family Applications (1)

Application Number Title Priority Date Filing Date
DK83471AA DK124183B (da) 1970-03-26 1971-02-24 Stenbor med som transportsnegl udformet skaft.

Country Status (5)

Country Link
US (1) US3703214A (da)
CH (1) CH517244A (da)
DK (1) DK124183B (da)
FR (1) FR2083938A5 (da)
NL (1) NL7102712A (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH626557A5 (da) * 1978-09-28 1981-11-30 Guex Philippe & Fils Sa
DE3014693A1 (de) * 1980-04-16 1981-10-22 Hilti AG, 9494 Schaan Gesteinsbohrer
DE3434633A1 (de) * 1984-09-21 1986-04-03 Eichner, Wolf D., Dr.jur., 8630 Coburg Aufnahmekamera
DE3919095A1 (de) * 1988-07-16 1990-01-18 Hawera Probst Kg Hartmetall Bohrwerkzeug
DE19702137A1 (de) * 1997-01-22 1998-07-23 Fundex N V Erdverdrängungsbohrer
GB9725740D0 (en) * 1997-03-24 1998-02-04 Sibille Patrick Neil Apparatus and a method for use downhole

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1107927A (en) * 1914-01-06 1914-08-18 Heinrich Fuchs Ground-auger.
FR498546A (fr) * 1915-04-06 1920-01-14 Frederic Guillierme Machine pour le creusage de trous de mine
US2572839A (en) * 1947-10-23 1951-10-30 Mcclinton John Combination key seat remover and vibration distributor for well drilling
DE1782509A1 (de) * 1968-09-11 1971-08-26 Mayer Kg Bohrer zum maschinellen Herstellen von Pflanzloechern in Blumentoepfen oder anderen Behaeltern

Also Published As

Publication number Publication date
NL7102712A (da) 1971-09-28
CH517244A (de) 1971-12-31
FR2083938A5 (da) 1971-12-17
US3703214A (en) 1972-11-21

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