CH517244A - Rock drill - Google Patents

Rock drill

Info

Publication number
CH517244A
CH517244A CH294671A CH294671A CH517244A CH 517244 A CH517244 A CH 517244A CH 294671 A CH294671 A CH 294671A CH 294671 A CH294671 A CH 294671A CH 517244 A CH517244 A CH 517244A
Authority
CH
Switzerland
Prior art keywords
rock drill
drill
rock
Prior art date
Application number
CH294671A
Other languages
German (de)
Inventor
Boehm Otto
Scholz Werner
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/en
Application filed by Werkzeugbau Gmbh filed Critical Werkzeugbau Gmbh
Publication of CH517244A publication Critical patent/CH517244A/en

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)
CH294671A 1970-03-26 1971-03-01 Rock drill CH517244A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702014870 DE2014870A1 (en) 1970-03-26 1970-03-26
DE19702041985 DE2041985B1 (en) 1970-08-25 1970-08-25 Rock drill

Publications (1)

Publication Number Publication Date
CH517244A true CH517244A (en) 1971-12-31

Family

ID=25758894

Family Applications (1)

Application Number Title Priority Date Filing Date
CH294671A CH517244A (en) 1970-03-26 1971-03-01 Rock drill

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH626557A5 (en) * 1978-09-28 1981-11-30 Guex Philippe & Fils Sa
DE3014693A1 (en) * 1980-04-16 1981-10-22 Hilti AG, 9494 Schaan ROCK DRILL
DE3434633A1 (en) * 1984-09-21 1986-04-03 Eichner, Wolf D., Dr.jur., 8630 Coburg RECORDING CAMERA
DE3919095A1 (en) * 1988-07-16 1990-01-18 Hawera Probst Kg Hartmetall DRILLING TOOL
DE19702137A1 (en) * 1997-01-22 1998-07-23 Fundex N V Earth displacement drill
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 (en) * 1915-04-06 1920-01-14 Frederic Guillierme Blasthole digging machine
US2572839A (en) * 1947-10-23 1951-10-30 Mcclinton John Combination key seat remover and vibration distributor for well drilling
DE1782509A1 (en) * 1968-09-11 1971-08-26 Mayer Kg Drill for the machine production of plant holes in flower pots or other containers

Also Published As

Publication number Publication date
FR2083938A5 (en) 1971-12-17
US3703214A (en) 1972-11-21
DK124183B (en) 1972-09-25
NL7102712A (en) 1971-09-28

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Legal Events

Date Code Title Description
PL Patent ceased