ES2143244T3 - DRILL CROWN. - Google Patents

DRILL CROWN.

Info

Publication number
ES2143244T3
ES2143244T3 ES96939744T ES96939744T ES2143244T3 ES 2143244 T3 ES2143244 T3 ES 2143244T3 ES 96939744 T ES96939744 T ES 96939744T ES 96939744 T ES96939744 T ES 96939744T ES 2143244 T3 ES2143244 T3 ES 2143244T3
Authority
ES
Spain
Prior art keywords
crown
percussion
knife
front surface
drill crown
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 - Lifetime
Application number
ES96939744T
Other languages
Spanish (es)
Inventor
Josef Mocivnik
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.)
Techmo Entwicklungs und Vertriebs GmbH
Original Assignee
Techmo Entwicklungs und Vertriebs GmbH
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 Techmo Entwicklungs und Vertriebs GmbH filed Critical Techmo Entwicklungs und Vertriebs GmbH
Application granted granted Critical
Publication of ES2143244T3 publication Critical patent/ES2143244T3/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

EN UNA BROCA CORONA (1), EN PARTICULAR UNA CORONA DE PERCUSION O ROTATORIA DE PERCUSION, CUYO CABEZAL PRESENTA EN SU SUPERFICIE FRONTAL UNAS CUCHILLAS (3, 4) DESTINADAS A SOLTAR Y/O TRITURAR EL MATERIAL A DESMONTAR, DE LAS QUE COMO MINIMO UNA CUCHILLA (4) ESTA ACODADA EN UN SENTIDO RADIAL RESPECTO A LA SUPERFICIE FRONTAL (2) DEL CABEZAL, ESTA PREVISTO QUE COMO MINIMO UNA CUCHILLA (3) RECTILINEA ESTE MONTADA EN EL LADO DE LA CURVADURA CONVEXA DE LA CUCHILLA (4) ACODADA.IN A CROWN DRILL (1), IN PARTICULAR A CROWN OF PERCUSSION OR ROTATORY OF PERCUSSION, WHOSE HEAD PRESENTS ON ITS FRONT SURFACE A KNIFE (3, 4) INTENDED TO RELEASE AND / OR CRUSH THE MATERIAL TO BE DISASSEMBLED, OF WHICH AT LEAST A BLADE (4) IS ANIMALED IN A RADIAL DIRECTION WITH RESPECT TO THE FRONT SURFACE (2) OF THE HEAD, IT IS PROVIDED THAT AT LEAST ONE KNIFE (3) RECTILINES THIS MOUNTED ON THE SIDE OF THE CONVEX BEND OF THE BLADDER (4).

ES96939744T 1995-11-23 1996-11-22 DRILL CROWN. Expired - Lifetime ES2143244T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0064195U AT1513U1 (en) 1995-11-23 1995-11-23 DRILL BIT

Publications (1)

Publication Number Publication Date
ES2143244T3 true ES2143244T3 (en) 2000-05-01

Family

ID=3495962

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96939744T Expired - Lifetime ES2143244T3 (en) 1995-11-23 1996-11-22 DRILL CROWN.

Country Status (10)

Country Link
EP (1) EP0862678B1 (en)
AT (2) AT1513U1 (en)
AU (1) AU7684996A (en)
CZ (1) CZ290060B6 (en)
DE (1) DE59604134D1 (en)
ES (1) ES2143244T3 (en)
GR (1) GR3033073T3 (en)
PL (1) PL180429B1 (en)
PT (1) PT862678E (en)
WO (1) WO1997019247A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3961959B2 (en) 2001-05-17 2007-08-22 アトラス・コプコ・マイ・ゲーエムベーハー Drill bit
FR3004746B1 (en) * 2013-04-19 2015-05-15 Diager CUTTING PLATE
EP3345705A1 (en) * 2013-09-13 2018-07-11 Irwin Industrial Tool Company Shaft for a drilling tool, drilling tool and method for manufacturing a drilling tool
EP3850182B1 (en) 2018-09-10 2024-07-17 National Oilwell Varco, LP Drill bit cutter elements and drill bits including same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189021A (en) * 1921-11-21 1922-11-23 Arthur Lee Hawkesworth Drills
US1718462A (en) * 1923-07-02 1929-06-25 Hardsocg Martin Rock drill
DE918741C (en) * 1949-09-03 1954-10-04 Boehler & Co Ag Geb Rock drill with single or multiple cutting edges
US3062306A (en) * 1959-03-19 1962-11-06 Sandvikens Jernverks Ab Drill bit
CH544880A (en) * 1970-06-12 1974-01-15 Trident Ind Inc Churn drill bit for cable rigs - with detachable teeth and shims for gauge loss compensation
DE2216760C2 (en) * 1972-04-07 1982-11-11 Hawera Probst Gmbh + Co, 7980 Ravensburg Rock drill
DE4011441A1 (en) * 1990-04-09 1991-10-10 Hilti Ag ROCK DRILL

Also Published As

Publication number Publication date
PL180429B1 (en) 2001-02-28
ATE188535T1 (en) 2000-01-15
CZ155998A3 (en) 1998-09-16
WO1997019247A1 (en) 1997-05-29
PL326764A1 (en) 1998-10-26
CZ290060B6 (en) 2002-05-15
AU7684996A (en) 1997-06-11
DE59604134D1 (en) 2000-02-10
AT1513U1 (en) 1997-06-25
PT862678E (en) 2000-06-30
EP0862678A1 (en) 1998-09-09
GR3033073T3 (en) 2000-08-31
EP0862678B1 (en) 2000-01-05

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