ATA898878A - ROCK DRILL - Google Patents

ROCK DRILL

Info

Publication number
ATA898878A
ATA898878A AT898878A AT898878A ATA898878A AT A898878 A ATA898878 A AT A898878A AT 898878 A AT898878 A AT 898878A AT 898878 A AT898878 A AT 898878A AT A898878 A ATA898878 A AT A898878A
Authority
AT
Austria
Prior art keywords
rock drill
drill
rock
Prior art date
Application number
AT898878A
Other languages
German (de)
Other versions
AT383182B (en
Original Assignee
Krupp 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 Krupp Gmbh filed Critical Krupp Gmbh
Publication of ATA898878A publication Critical patent/ATA898878A/en
Application granted granted Critical
Publication of AT383182B publication Critical patent/AT383182B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
AT0898878A 1977-12-21 1978-12-15 ROCK DRILL AT383182B (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
ATA898878A true ATA898878A (en) 1980-08-15
AT383182B AT383182B (en) 1987-05-25

Family

ID=6026722

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0898878A AT383182B (en) 1977-12-21 1978-12-15 ROCK DRILL

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

Family Cites Families (12)

* 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
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
US3074703A (en) * 1960-02-24 1963-01-22 Salem Tool Co Lump producing head for coal augering
DE2035261A1 (en) * 1970-07-16 1972-01-27 Karnebogen, Richard 5891 Vollme Impact drill bit for drilling rock and the like
DE2129913A1 (en) * 1971-06-16 1972-12-21 Hilti Ag Rock drill
AT321207B (en) * 1972-11-15 1975-03-25 Boehler & Co Ag Geb Drilling method and device for its implementation
DE2414354A1 (en) * 1974-03-26 1975-10-16 Heller Geb ROCK DRILLS
DE2423510A1 (en) * 1974-05-15 1975-11-27 Krupp Gmbh ROCK DRILLS
US3955635A (en) * 1975-02-03 1976-05-11 Skidmore Sam C Percussion drill bit
DE2528003A1 (en) * 1975-06-24 1977-01-20 Krupp Gmbh ROCK DRILLS
DE2602238A1 (en) * 1976-01-22 1977-08-04 Bosch Gmbh Robert DRILL BIT

Also Published As

Publication number Publication date
GB2011286B (en) 1982-02-24
SE7812674L (en) 1979-06-22
AT383182B (en) 1987-05-25
DE2756990C2 (en) 1986-03-27
SE429888B (en) 1983-10-03
FR2412392B1 (en) 1984-09-28
DE2756990A1 (en) 1979-06-28
FR2412392A1 (en) 1979-07-20
GB2011286A (en) 1979-07-11

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