GB668607A - Arrangement for attaching a drill crown to a drill steel or drill steels to each other - Google Patents

Arrangement for attaching a drill crown to a drill steel or drill steels to each other

Info

Publication number
GB668607A
GB668607A GB18429/50A GB1842950A GB668607A GB 668607 A GB668607 A GB 668607A GB 18429/50 A GB18429/50 A GB 18429/50A GB 1842950 A GB1842950 A GB 1842950A GB 668607 A GB668607 A GB 668607A
Authority
GB
United Kingdom
Prior art keywords
drill
parts
sleeve
sections
steel
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
GB18429/50A
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.)
Sandvik AB
Original Assignee
Sandvik AB
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 Sandvik AB filed Critical Sandvik AB
Publication of GB668607A publication Critical patent/GB668607A/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
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches

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)
  • Percussive Tools And Related Accessories (AREA)

Abstract

668,607. Percussive drills. SANDVIKENS JERNVERKS AKTIEBOLAG. July 24, 1950 [Sept. 27, 1949], No. 18429/50. Class 124. In a percussive drill provided with means for detachably securing together a bit and a drill steel, or two sections 12 of drill steel, an end portion of one of the parts, or the adjacent end portions of both parts, are formed with shallow recesses or depressions 15, 16 separated by a ridge 17 or the like, and the parts are secured together by a sleeve 10 with one or more holes 13 through which locking members 14 are inserted into the depressions. The locking member may comprise a plate spring. The sleeve may be entirely separate or integral with one of the parts, it may be formed with a partition located between the two sections 12, or a single hole in the sleeve may face a ridge formed by the extremities of the two sections.
GB18429/50A 1949-09-27 1950-07-24 Arrangement for attaching a drill crown to a drill steel or drill steels to each other Expired GB668607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE668607X 1949-09-27

Publications (1)

Publication Number Publication Date
GB668607A true GB668607A (en) 1952-03-19

Family

ID=20314543

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18429/50A Expired GB668607A (en) 1949-09-27 1950-07-24 Arrangement for attaching a drill crown to a drill steel or drill steels to each other

Country Status (1)

Country Link
GB (1) GB668607A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857844A (en) * 1956-03-15 1958-10-28 Olin Mathieson Explosive assembly
US3012800A (en) * 1959-06-23 1961-12-12 Gen Electric Trip mechanism
US3273508A (en) * 1965-01-18 1966-09-20 Tait Mfg Co The Pumps
US3365220A (en) * 1963-11-15 1968-01-23 Rusche Fredric Joint for coupled pile driving mandrel
WO2023017481A1 (en) * 2021-08-13 2023-02-16 Gradidge, Robert Charles Drill steel coupling, rod and drill steel including same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857844A (en) * 1956-03-15 1958-10-28 Olin Mathieson Explosive assembly
US3012800A (en) * 1959-06-23 1961-12-12 Gen Electric Trip mechanism
US3365220A (en) * 1963-11-15 1968-01-23 Rusche Fredric Joint for coupled pile driving mandrel
US3273508A (en) * 1965-01-18 1966-09-20 Tait Mfg Co The Pumps
WO2023017481A1 (en) * 2021-08-13 2023-02-16 Gradidge, Robert Charles Drill steel coupling, rod and drill steel including same

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