SE0700998L - Device for rock drilling - Google Patents

Device for rock drilling

Info

Publication number
SE0700998L
SE0700998L SE0700998A SE0700998A SE0700998L SE 0700998 L SE0700998 L SE 0700998L SE 0700998 A SE0700998 A SE 0700998A SE 0700998 A SE0700998 A SE 0700998A SE 0700998 L SE0700998 L SE 0700998L
Authority
SE
Sweden
Prior art keywords
cross
section
flushing hole
mid axis
axial passage
Prior art date
Application number
SE0700998A
Other languages
Swedish (sv)
Other versions
SE531086C2 (en
Inventor
Thomas Oestling
Johan Wessberg
Original Assignee
Atlas Copco Secoroc 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 Atlas Copco Secoroc Ab filed Critical Atlas Copco Secoroc Ab
Priority to SE0700998A priority Critical patent/SE531086C2/en
Priority to PCT/SE2008/050431 priority patent/WO2008133584A1/en
Publication of SE0700998L publication Critical patent/SE0700998L/en
Publication of SE531086C2 publication Critical patent/SE531086C2/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/20—Devices for cleaning or cooling tool or work
    • B25D17/22—Devices for cleaning or cooling tool or work using pressure fluid
    • 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
    • E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems

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)

Abstract

The invention pertains to a neck adaptor at a drilling device for rock drilling. The neck adaptor is cylindrical and comprises an envelope surface, a front end surface, a central axial passage which orifices at the front end surface, and a radial side-flushing hole which extends from the central axial passage and orifices in the envelope surface. The side-flushing hole has an oblong cross-section which extends along a mid axis from a front end of the cross-section of the side-flushing hole to a rear end of the cross-section of the side-flushing hole. The mid axis is substantially parallel with the central axial passage. The front end faces the front end surface of the neck adaptor. The cross- section of the side-flushing hole is wing profile shaped. The cross-section is divided up into two cross-section parts perpendicular against the mid axis, so that each of the two cross-section parts has substantially the same length of the mid axis. The two cross- section parts comprise a front cross-section part comprising the front end of the cross- section of the side-flushing hole, which front cross-section part has a front cross-section area, and a rear cross-section part comprising the rear end of the cross-section of the side-flushing hole, which rear cross-section part has a rear cross-section area. The front cross-section area is formed to be smaller than the rear cross-section area.
SE0700998A 2007-04-25 2007-04-25 Device for rock drilling SE531086C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE0700998A SE531086C2 (en) 2007-04-25 2007-04-25 Device for rock drilling
PCT/SE2008/050431 WO2008133584A1 (en) 2007-04-25 2008-04-16 Neck adapter with side- flushing hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0700998A SE531086C2 (en) 2007-04-25 2007-04-25 Device for rock drilling

Publications (2)

Publication Number Publication Date
SE0700998L true SE0700998L (en) 2008-10-26
SE531086C2 SE531086C2 (en) 2008-12-16

Family

ID=39925923

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0700998A SE531086C2 (en) 2007-04-25 2007-04-25 Device for rock drilling

Country Status (2)

Country Link
SE (1) SE531086C2 (en)
WO (1) WO2008133584A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2851502T3 (en) * 2013-09-23 2016-05-31 Sandvik Intellectual Property Shank Adaptor with Fracture Resistant Flushing Hole
EP3288495B1 (en) 2015-05-01 2019-09-25 JenaValve Technology, Inc. Device with reduced pacemaker rate in heart valve replacement
PL3101217T3 (en) 2015-06-04 2018-09-28 Sandvik Intellectual Property Ab Shank adaptor with strengthened flushing hole

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE432460B (en) * 1979-11-02 1984-04-02 Fagersta Ab Shank adapter for rock-drilling machine
GB2212747A (en) * 1987-11-25 1989-08-02 Boart Hardmetals Shank adaptor for rock drilling machines
SE525430C2 (en) * 2003-03-04 2005-02-22 Sandvik Ab Neck adapter for rock drills

Also Published As

Publication number Publication date
SE531086C2 (en) 2008-12-16
WO2008133584A1 (en) 2008-11-06

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Legal Events

Date Code Title Description
NUG Patent has lapsed