CA2047874A1 - Outil d'excavation - Google Patents

Outil d'excavation

Info

Publication number
CA2047874A1
CA2047874A1 CA2047874A CA2047874A CA2047874A1 CA 2047874 A1 CA2047874 A1 CA 2047874A1 CA 2047874 A CA2047874 A CA 2047874A CA 2047874 A CA2047874 A CA 2047874A CA 2047874 A1 CA2047874 A1 CA 2047874A1
Authority
CA
Canada
Prior art keywords
blocks
excavation
side faces
block
axles
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.)
Granted
Application number
CA2047874A
Other languages
English (en)
Other versions
CA2047874C (fr
Inventor
Takeshi Hayashi
Shigeru Sato
Katsuaki Tsujimoto
Daishiro Miyazaki
Yoneo Hiwasa
Toshiki Ishimatsu
Kimiyo Wada
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.)
Mitsubishi Materials Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2047874A1 publication Critical patent/CA2047874A1/fr
Application granted granted Critical
Publication of CA2047874C publication Critical patent/CA2047874C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

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)
  • Auxiliary Devices For Machine Tools (AREA)
CA002047874A 1990-07-27 1991-07-25 Outil d'excavation Expired - Lifetime CA2047874C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP02-200354 1990-07-27
JP20035490 1990-07-27

Publications (2)

Publication Number Publication Date
CA2047874A1 true CA2047874A1 (fr) 1992-01-28
CA2047874C CA2047874C (fr) 1996-12-17

Family

ID=16422905

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002047874A Expired - Lifetime CA2047874C (fr) 1990-07-27 1991-07-25 Outil d'excavation

Country Status (11)

Country Link
US (1) US5139099A (fr)
EP (1) EP0468515B1 (fr)
KR (1) KR960001530B1 (fr)
AU (1) AU644195B2 (fr)
CA (1) CA2047874C (fr)
DE (1) DE69101285T2 (fr)
ES (1) ES2052305T3 (fr)
FI (1) FI94891C (fr)
HK (1) HK31995A (fr)
NO (1) NO301348B1 (fr)
ZA (1) ZA915804B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5975222A (en) * 1996-07-01 1999-11-02 Holte; Ardis L. Reverse circulation drilling system with bit locked underreamer arms
US6209665B1 (en) 1996-07-01 2001-04-03 Ardis L. Holte Reverse circulation drilling system with bit locked underreamer arms
GB2316964B (en) * 1996-09-04 2000-06-07 Bulroc Drill means
AUPO737497A0 (en) * 1997-06-16 1997-07-10 Sds Digger Tools Pty Ltd Drill bit with drive and retaining means located forwardly of hammer barrel
US6021856A (en) * 1998-05-29 2000-02-08 Numa Tool Company Bit retention system
US6176332B1 (en) * 1998-12-31 2001-01-23 Kennametal Inc. Rotatable cutting bit assembly with cutting inserts
US7104344B2 (en) * 2001-09-20 2006-09-12 Shell Oil Company Percussion drilling head
US7389833B2 (en) * 2005-06-10 2008-06-24 Keystone Drill Services, Inc. Multi-sectional percussive drill bit assembly
US7419017B2 (en) 2005-06-10 2008-09-02 Keystone Drill Services, Inc. Multi-sectional percussive drill bit assembly
FR2889556B1 (fr) * 2005-08-04 2007-09-21 Gerard Arsonnet Dispositif de forage d'un puits suivant un axe de forage pour mesurer un parametre d'une partie d'un sol
US7758331B2 (en) * 2006-02-22 2010-07-20 American Maplan Corporation Pipe support system
JP5372915B2 (ja) * 2007-05-25 2013-12-18 リ，クァンイク ハンマビット
US20090285637A1 (en) * 2008-05-16 2009-11-19 W.T.W. Construction, Inc. Pile mandrel with extendable reaming members
WO2011094359A2 (fr) * 2010-01-26 2011-08-04 Wvc Mincon Inc. Ensemble de forage à foret d'élargissement et procédé d'utilisation
KR101302554B1 (ko) * 2011-02-17 2013-09-02 백은미 지반 천공용 해머의 비트
FI124451B (fi) 2013-10-22 2014-09-15 Atlas Copco Rotex Ab Oy Porauslaite
FI127402B (fi) 2015-09-14 2018-05-15 Mincon Nordic Oy Poralaite
EP4234882A3 (fr) * 2016-05-27 2023-09-06 Joy Global Underground Mining LLC Dispositif de coupe à éléments d'usure
CN106320987B (zh) * 2016-08-19 2018-08-31 沧州格锐特钻头有限公司 一种内扩孔pdc钻头

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1776018A (en) * 1927-11-14 1930-09-16 Harry C Brown Underreaming well-drilling bit
US1754525A (en) * 1928-01-18 1930-04-15 Grant John Expanding reamer
US1858263A (en) * 1929-04-13 1932-05-17 Charlton James Rotary expansion drilling tool
US1839588A (en) * 1929-09-20 1932-01-05 Grant John Plunger actuated underreamer
GB550100A (en) * 1941-05-16 1942-12-23 Alexander Zussman Orkin Improvements in or relating to drills for mixed excavation
US3185228A (en) * 1963-01-21 1965-05-25 Hughes Tool Co Rotary-percussion drill bit with heel row inserts to prevent wedging
US3522852A (en) * 1967-08-18 1970-08-04 Trident Ind Inc Expandable drill bit and reamer construction
US3536150A (en) * 1968-09-05 1970-10-27 Frank E Stebley Rotary-percussion drill bit
GB2132252B (en) * 1982-10-25 1985-12-18 Tone Boring Co An air hammer drill device
US4874046A (en) * 1988-04-01 1989-10-17 Hurd Marvin G Groove cutter for concrete bores
SE8901199L (sv) * 1989-04-05 1990-10-06 Uniroc Ab Excentrisk borrkrona

Also Published As

Publication number Publication date
FI94891C (fi) 1995-11-10
DE69101285T2 (de) 1994-07-07
EP0468515A1 (fr) 1992-01-29
FI913590A0 (fi) 1991-07-26
KR920002898A (ko) 1992-02-28
ZA915804B (en) 1992-04-29
CA2047874C (fr) 1996-12-17
FI913590A (fi) 1992-01-28
KR960001530B1 (ko) 1996-02-01
EP0468515B1 (fr) 1994-03-02
NO912892L (no) 1992-01-28
AU644195B2 (en) 1993-12-02
FI94891B (fi) 1995-07-31
AU8132791A (en) 1992-01-30
HK31995A (en) 1995-03-17
US5139099A (en) 1992-08-18
NO912892D0 (no) 1991-07-24
ES2052305T3 (es) 1994-07-01
DE69101285D1 (de) 1994-04-07
NO301348B1 (no) 1997-10-13

Similar Documents

Publication Publication Date Title
CA2047874A1 (fr) Outil d'excavation
CA2288674A1 (fr) Outil de coupe combine et tete de coupe remplacable associee
WO2002014028A3 (fr) Dispositifs a came ameliores
CA2154959A1 (fr) Systeme et outil de forage orientables
CA2185205A1 (fr) Outil et systeme de forage orientables
US4655651A (en) Drill bit for hand-held drilling machines
AU762720B2 (en) Compaction roller
GB2330787B (en) Methods of manufacturing rotary drill bits
DE3864023D1 (en) Torque coupling e.g. for hand held electric impact drill
GB1536738A (en) Rotary percussive apparatus
GB9311444D0 (en) Improvements in or relating to the manufacture of rotary drill bits
US3536150A (en) Rotary-percussion drill bit
CA2370483A1 (fr) Foret a langue d'aspic
DE69832318D1 (de) Drehbohrmeissel mit Düsen
CA2036602A1 (fr) Outil d'excavation
CA2091022A1 (fr) Foreuse fond de trou
US20030211922A1 (en) Roller for imparting textured impressions
GB1506314A (en) Rotary percussion earth boring bit
CA2349774A1 (fr) Structure de decoupage de profiles rectilignes pour tricones
GB2331261A9 (en) Drill bit with depth markings
JPH03250190A (ja) 掘削工具
JPH0525636Y2 (fr)
RU98122091A (ru) Породоразрушающий зубок бурового долота
JPH03250189A (ja) 掘削工具
SU899792A1 (ru) Устройство ударного действи дл проходки скважин в грунте путем его уплотнени

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry