DK360776A - Sammensat borerorforlengelse til et jordslagbor - Google Patents

Sammensat borerorforlengelse til et jordslagbor

Info

Publication number
DK360776A
DK360776A DK360776A DK360776A DK360776A DK 360776 A DK360776 A DK 360776A DK 360776 A DK360776 A DK 360776A DK 360776 A DK360776 A DK 360776A DK 360776 A DK360776 A DK 360776A
Authority
DK
Denmark
Prior art keywords
drill
extension
earth
earth drill
drill extension
Prior art date
Application number
DK360776A
Other languages
English (en)
Inventor
H Chave
Original Assignee
Ugine Aciers
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 Ugine Aciers filed Critical Ugine Aciers
Publication of DK360776A publication Critical patent/DK360776A/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7026—Longitudinally splined or fluted rod
    • Y10T403/7035—Specific angle or shape of rib, key, groove, or shoulder

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)
DK360776A 1975-08-13 1976-08-10 Sammensat borerorforlengelse til et jordslagbor DK360776A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7525708A FR2375429A1 (fr) 1975-08-13 1975-08-13 Tige allonge composite pour forage avec marteau hors de trou

Publications (1)

Publication Number Publication Date
DK360776A true DK360776A (da) 1977-02-14

Family

ID=9159193

Family Applications (1)

Application Number Title Priority Date Filing Date
DK360776A DK360776A (da) 1975-08-13 1976-08-10 Sammensat borerorforlengelse til et jordslagbor

Country Status (11)

Country Link
US (1) US4061433A (da)
BE (1) BE845148A (da)
CA (1) CA1053220A (da)
DE (2) DE2635489A1 (da)
DK (1) DK360776A (da)
FR (1) FR2375429A1 (da)
IT (1) IT1067815B (da)
LU (1) LU75576A1 (da)
NL (1) NL7608992A (da)
SE (1) SE7608990L (da)
ZA (1) ZA764857B (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5042600A (en) * 1990-03-23 1991-08-27 Conoco Inc. Drill pipe with helical ridge for drilling highly angulated wells
US5214234A (en) * 1992-07-17 1993-05-25 The United States Of America As Represented By The Secretary Of The Navy Composite reinforced gun barrels
JP4313014B2 (ja) * 2002-09-30 2009-08-12 株式会社ジェイテクト シャフト及びその製造方法
US20040226211A1 (en) * 2003-05-16 2004-11-18 Ra Brands. L.L.C. Composite receiver for firearms
US20060163420A1 (en) * 2004-12-06 2006-07-27 Sonoco Development, Inc. High-stiffness winding core
FR2898923B1 (fr) * 2006-03-23 2010-10-01 Alphi Etai de support pour le coffrage de panneaux ou analogue
WO2013112480A1 (en) * 2012-01-23 2013-08-01 Csx Transportation Coupler installation device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2624366A (en) * 1952-07-22 1953-01-06 William J Pugh Plural hose
US2849923A (en) * 1954-09-30 1958-09-02 Crane Co Gun barrel liner
US3004361A (en) * 1959-10-08 1961-10-17 Hammer Alexander Composite lightweight barrel with predetermined thermal characteristics
US3228298A (en) * 1960-04-20 1966-01-11 Andrew J Grandy Rifle barrel
US3295613A (en) * 1964-08-12 1967-01-03 Gardner Denver Co Composite drill rod and method for making the same
US3261414A (en) * 1965-05-12 1966-07-19 Reed Roller Bit Co Drill collar
US3709754A (en) * 1968-01-24 1973-01-09 Plastigage Corp Method of forming a construction member of glass fiber elements

Also Published As

Publication number Publication date
FR2375429A1 (fr) 1978-07-21
NL7608992A (nl) 1977-02-15
DE7624833U1 (de) 1976-11-18
CA1053220A (fr) 1979-04-24
BE845148A (fr) 1976-12-01
IT1067815B (it) 1985-03-21
SE7608990L (sv) 1977-02-14
LU75576A1 (da) 1977-04-22
US4061433A (en) 1977-12-06
DE2635489A1 (de) 1977-02-17
ZA764857B (en) 1977-09-28

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