FR2412392A1 - ROCK FLOWER - Google Patents

ROCK FLOWER

Info

Publication number
FR2412392A1
FR2412392A1 FR7834860A FR7834860A FR2412392A1 FR 2412392 A1 FR2412392 A1 FR 2412392A1 FR 7834860 A FR7834860 A FR 7834860A FR 7834860 A FR7834860 A FR 7834860A FR 2412392 A1 FR2412392 A1 FR 2412392A1
Authority
FR
France
Prior art keywords
cutting
wings
height
flower
cutting head
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
FR7834860A
Other languages
French (fr)
Other versions
FR2412392B1 (en
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.)
Fried Krupp AG
Original Assignee
Fried Krupp AG
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 Fried Krupp AG filed Critical Fried Krupp AG
Publication of FR2412392A1 publication Critical patent/FR2412392A1/en
Application granted granted Critical
Publication of FR2412392B1 publication Critical patent/FR2412392B1/fr
Granted 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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
    • 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
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means
    • 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
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts

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)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

FLEURET A ROCHES, ET NOTAMMENT FLEURET POUR MARTEAUX DE FORAGE PNEUMATIQUES OU ELECTRIQUES, COMPRENANT, D'UNE PART, UNE TIGE ET AU MOINS DEUX AILES DE COUPE S'ELOIGNANT DU CENTRE DE LA TETE DE COUPE, AINSI QU'UN SOMMET SAILLANT DE CETTE TETE DE COUPE ET DEPASSANT EN HAUTEUR LA ZONE EXTERIEURE DES AILES DE COUPE, ET D'AUTRE PART, LE CAS ECHEANT, UN EXTRACTEUR HELICOIDAL, CARACTERISE EN CE QUE:A.LA TETE DE COUPE COMPREND UN SOMMET CENTRAL QUI, DECALE PAR RAPPORT AUX BORDS EXTERIEURS DES AILES DE COUPE PAR UN EVIDEMENT ANNULAIRE, DEPASSE EN HAUTEUR CES MEMES BORDS EXTERIEURS ET COMPORTE DES PIVOTS EN METAL DUR IMPLANTES SUR L'AXE DE ROTATION, OU BIEN SUR UN CERCLE CENTRE SUR L'AXE DE ROTATION, DU FLEURET;B.LES BORDS EXTERIEURS DES AILES DE COUPE SONT GARNIS DE PIVOTS EN METAL DUR IMPLANTES DANS LE SENS OBLIQUE PAR RAPPORT A L'AXE DE ROTATION;C.L'EVIDEMENT ANNULAIRE EST UNE SURFACE COUPE GARNIE DE PIVOTS EN METAL DUR;D.LE SOMMET DE LA TETE DE COUPE DEPASSE EN HAUTEUR LES BORDS EXTERIEURS DES AILES DE COUPE QUI, EUX, DEPASSENT EN HAUTEUR LA SURFACE DE COUPE ENTRE LE SOMMET DE LA TETE DE COUPE ET LES BORDS EXTERIEURS DES AILES DE COUPE;E.SUR LE COTE OPPOSE AU SENS DE LA COUPE, LES AILES DE COUPE PRESENTENT UN CHANFREIN.ROCK FLOWER, AND ESPECIALLY FLOWER FOR PNEUMATIC OR ELECTRIC DRILLING HAMMERS, INCLUDING, ON THE ONE HAND, A ROD AND AT LEAST TWO CUTTING WINGS MOVING AWAY FROM THE CENTER OF THE CUTTING HEAD, AS WELL AS A TOP PROJECTING THERE CUTTING HEAD AND EXCEEDING IN HEIGHT THE EXTERNAL AREA OF THE CUTTING WINGS, AND ON THE OTHER HAND, IF ANY, A HELICOIDAL EXTRACTOR, CHARACTERIZED IN THAT: A. THE CUTTING HEAD INCLUDES A CENTRAL SUMMIT WHICH, OFFSET WITH RESPECT TO THE OUTSIDE EDGES OF THE CUTTING WINGS BY AN ANNULAR RECESS, EXCEEDS THESE SAME EXTERIOR EDGES IN HEIGHT AND INCLUDES HARD METAL PIVOTS LOCATED ON THE ROTATION AXLE, OR ON A CIRCLE CENTERED ON THE ROTATION AXIS, OF THE FLOWER; B . THE OUTER EDGES OF THE CUTTING WINGS ARE FILLED WITH HARD METAL PIVOTS LOCATED IN AN OBLIQUE DIRECTION FROM THE ROTATION AXIS; C. THE ANNULAR RECESS IS A CUT SURFACE LINED WITH HARD METAL PIVOTS; D. THE TOP OF THE CUTTING HEAD EXCEEDS THE EXTERIOR EDGES IN HEIGHT CUTTING WINGS WHICH, THEY, EXCEED IN HEIGHT THE CUTTING SURFACE BETWEEN THE TOP OF THE CUTTING HEAD AND THE OUTER EDGES OF THE CUTTING WINGS; E. ON THE OPPOSITE SIDE TO THE CUTTING DIRECTION, THE CUTTING WINGS SHOW A CHAMFER.

FR7834860A 1977-12-21 1978-12-12 ROCK FLOWER Granted FR2412392A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2756990A DE2756990C2 (en) 1977-12-21 1977-12-21 Rock drill

Publications (2)

Publication Number Publication Date
FR2412392A1 true FR2412392A1 (en) 1979-07-20
FR2412392B1 FR2412392B1 (en) 1984-09-28

Family

ID=6026722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834860A Granted FR2412392A1 (en) 1977-12-21 1978-12-12 ROCK FLOWER

Country Status (5)

Country Link
AT (1) AT383182B (en)
DE (1) DE2756990C2 (en)
FR (1) FR2412392A1 (en)
GB (1) GB2011286B (en)
SE (1) SE429888B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2856205A1 (en) * 1978-12-27 1980-07-10 Hilti Ag Rock drill head assembly - has protruding steel insets in ring segments with axial grooves and central recess
SE459680B (en) * 1984-10-01 1989-07-24 Santrade Ltd BORRSTAAL
DE4102794A1 (en) * 1991-01-31 1992-08-06 Hawera Probst Kg Hartmetall Drill bit for hammer drill - has radial arms of zig-zag contour, fitted with hard metal tips
DE4236553A1 (en) * 1992-10-29 1994-05-05 Hawera Probst Kg Hartmetall Rock drill
DE4407119A1 (en) * 1993-12-11 1995-06-14 Hawera Probst Kg Hartmetall Rock drill
AU1542601A (en) * 1999-11-26 2001-06-04 Anglo Operations Limited Rotary drill bit insert
GB2479146A (en) * 2010-03-30 2011-10-05 Paul James Bentley Hole cutter
EP2990589B1 (en) 2014-08-25 2017-05-03 Sandvik Intellectual Property AB Drill bit with recessed cutting face
CN108104723B (en) * 2018-02-11 2023-11-03 上海广大基础工程有限公司 Drilling tool

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1154010A (en) * 1955-06-17 1958-04-01 Hellefors Bruks Aktiebolag Rock drill rigs
FR1219604A (en) * 1958-04-01 1960-05-18 Uddeholms Ab Percussion foil crown
DE2035261A1 (en) * 1970-07-16 1972-01-27 Karnebogen, Richard 5891 Vollme Impact drill bit for drilling rock and the like
FR2206415A1 (en) * 1972-11-15 1974-06-07 Boehler & Co Ag Geb
FR2271000A1 (en) * 1974-05-15 1975-12-12 Krupp Gmbh Masonry drill with centring bit - hardmetal studs on cutting face and bit face, angled at diameter rims
US3955635A (en) * 1975-02-03 1976-05-11 Skidmore Sam C Percussion drill bit
FR2315602A1 (en) * 1975-06-24 1977-01-21 Krupp Gmbh Electric or pneumatic masonry drill - has radial wings with hard metal buttons in spiral screw path
DE2602238A1 (en) * 1976-01-22 1977-08-04 Bosch Gmbh Robert DRILL BIT

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1809351A (en) * 1929-06-26 1931-06-09 Roland R Crum Drilling bit
US3074703A (en) * 1960-02-24 1963-01-22 Salem Tool Co Lump producing head for coal augering
DE2129913A1 (en) * 1971-06-16 1972-12-21 Hilti Ag Rock drill
DE2414354A1 (en) * 1974-03-26 1975-10-16 Heller Geb ROCK DRILLS

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1154010A (en) * 1955-06-17 1958-04-01 Hellefors Bruks Aktiebolag Rock drill rigs
FR1219604A (en) * 1958-04-01 1960-05-18 Uddeholms Ab Percussion foil crown
DE2035261A1 (en) * 1970-07-16 1972-01-27 Karnebogen, Richard 5891 Vollme Impact drill bit for drilling rock and the like
FR2206415A1 (en) * 1972-11-15 1974-06-07 Boehler & Co Ag Geb
FR2271000A1 (en) * 1974-05-15 1975-12-12 Krupp Gmbh Masonry drill with centring bit - hardmetal studs on cutting face and bit face, angled at diameter rims
US3955635A (en) * 1975-02-03 1976-05-11 Skidmore Sam C Percussion drill bit
FR2315602A1 (en) * 1975-06-24 1977-01-21 Krupp Gmbh Electric or pneumatic masonry drill - has radial wings with hard metal buttons in spiral screw path
DE2602238A1 (en) * 1976-01-22 1977-08-04 Bosch Gmbh Robert DRILL BIT

Also Published As

Publication number Publication date
FR2412392B1 (en) 1984-09-28
SE429888B (en) 1983-10-03
DE2756990C2 (en) 1986-03-27
SE7812674L (en) 1979-06-22
DE2756990A1 (en) 1979-06-28
GB2011286A (en) 1979-07-11
ATA898878A (en) 1980-08-15
AT383182B (en) 1987-05-25
GB2011286B (en) 1982-02-24

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Legal Events

Date Code Title Description
ST Notification of lapse