SE8000458L - switching means - Google Patents

switching means

Info

Publication number
SE8000458L
SE8000458L SE8000458A SE8000458A SE8000458L SE 8000458 L SE8000458 L SE 8000458L SE 8000458 A SE8000458 A SE 8000458A SE 8000458 A SE8000458 A SE 8000458A SE 8000458 L SE8000458 L SE 8000458L
Authority
SE
Sweden
Prior art keywords
switching means
coupling member
optimized
connect
image
Prior art date
Application number
SE8000458A
Other languages
Swedish (sv)
Other versions
SE432280B (en
Inventor
B A Lundberg
R B Gupta
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
Priority to SE8000458A priority Critical patent/SE432280B/en
Publication of SE8000458L publication Critical patent/SE8000458L/en
Publication of SE432280B publication Critical patent/SE432280B/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

A coupling member is arranged to connect two successive elements 11, 13 in a percussion drill line. To achieve the best possible energy transfer through the coupling member 12, its impedance function is optimized. <IMAGE>
SE8000458A 1980-01-21 1980-01-21 Coupling member for percussion drill line SE432280B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8000458A SE432280B (en) 1980-01-21 1980-01-21 Coupling member for percussion drill line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8000458A SE432280B (en) 1980-01-21 1980-01-21 Coupling member for percussion drill line

Publications (2)

Publication Number Publication Date
SE8000458L true SE8000458L (en) 1981-07-22
SE432280B SE432280B (en) 1984-03-26

Family

ID=20340027

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8000458A SE432280B (en) 1980-01-21 1980-01-21 Coupling member for percussion drill line

Country Status (1)

Country Link
SE (1) SE432280B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506527C2 (en) * 1995-08-31 1997-12-22 Sandvik Ab Method, rock drilling tools, rock drill bit and intermediate elements for transferring stroke array from a top hammer assembly
SE531017C2 (en) * 2005-05-09 2008-11-18 Sandvik Intellectual Property Rock Drilling Tools
SE531658C2 (en) 2006-10-02 2009-06-23 Atlas Copco Rock Drills Ab Percussion along with rock drill and rock drill rig
PL2845989T3 (en) 2013-09-09 2016-05-31 Sandvik Intellectual Property Shock wave modification in percussion drilling apparatus and method

Also Published As

Publication number Publication date
SE432280B (en) 1984-03-26

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