CA1025847A - Spiral drilling tool and method of its manufacture - Google Patents

Spiral drilling tool and method of its manufacture

Info

Publication number
CA1025847A
CA1025847A CA208,142A CA208142A CA1025847A CA 1025847 A CA1025847 A CA 1025847A CA 208142 A CA208142 A CA 208142A CA 1025847 A CA1025847 A CA 1025847A
Authority
CA
Canada
Prior art keywords
manufacture
drilling tool
spiral drilling
spiral
tool
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
CA208,142A
Other languages
English (en)
French (fr)
Inventor
Hartwig Pietsch
Wilhelm Poerschke
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.)
Fried Krupp AG
Original Assignee
Fried Krupp AG
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
Application filed by Fried Krupp AG filed Critical Fried Krupp AG
Application granted granted Critical
Publication of CA1025847A publication Critical patent/CA1025847A/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (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)
  • Forging (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
CA208,142A 1973-08-30 1974-08-29 Spiral drilling tool and method of its manufacture Expired CA1025847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2343715A DE2343715C3 (de) 1973-08-30 1973-08-30 Drehbohrkopf

Publications (1)

Publication Number Publication Date
CA1025847A true CA1025847A (en) 1978-02-07

Family

ID=5891108

Family Applications (1)

Application Number Title Priority Date Filing Date
CA208,142A Expired CA1025847A (en) 1973-08-30 1974-08-29 Spiral drilling tool and method of its manufacture

Country Status (5)

Country Link
CA (1) CA1025847A (de)
DE (1) DE2343715C3 (de)
FR (1) FR2242554B1 (de)
GB (1) GB1470064A (de)
LU (1) LU70811A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2088759B1 (es) * 1992-12-08 1998-08-01 Gkn Automotive Ag Articulacion giratoria sincronica
US6161633A (en) 1998-02-03 2000-12-19 Cutting Edge Technology Apparatus for boring through a solid material
US6736226B2 (en) 1998-02-03 2004-05-18 Cutting Edge Technologies, Llc Method and apparatus for boring through a solid material
US6938961B2 (en) 2002-03-21 2005-09-06 Cutting Edge Technologies, Llc Apparatus for breaking up solid objects

Also Published As

Publication number Publication date
DE2343715A1 (de) 1975-03-13
FR2242554B1 (de) 1978-04-28
LU70811A1 (de) 1975-01-02
DE2343715C3 (de) 1980-12-04
DE2343715B2 (de) 1980-04-17
GB1470064A (en) 1977-04-14
FR2242554A1 (de) 1975-03-28

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