IT1040260B - Perfezionamenti a o relativi a macchine perforatrici - Google Patents

Perfezionamenti a o relativi a macchine perforatrici

Info

Publication number
IT1040260B
IT1040260B IT25891/75A IT2589175A IT1040260B IT 1040260 B IT1040260 B IT 1040260B IT 25891/75 A IT25891/75 A IT 25891/75A IT 2589175 A IT2589175 A IT 2589175A IT 1040260 B IT1040260 B IT 1040260B
Authority
IT
Italy
Prior art keywords
relating
drilling machines
drilling
machines
Prior art date
Application number
IT25891/75A
Other languages
English (en)
Italian (it)
Original Assignee
Edenvale Eng Works
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
Priority claimed from ZA00744813A external-priority patent/ZA744813B/xx
Application filed by Edenvale Eng Works filed Critical Edenvale Eng Works
Application granted granted Critical
Publication of IT1040260B publication Critical patent/IT1040260B/it

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button-type inserts
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/005Above ground means for handling the core, e.g. for extracting the core from the core barrel
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/02Fluid rotary type drives
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/18Anchoring or feeding in the borehole
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C25/00Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/58Machines slitting by drilling hole on hole
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/20General features of equipment for removal of chippings, e.g. for loading on conveyor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
IT25891/75A 1974-07-29 1975-07-29 Perfezionamenti a o relativi a macchine perforatrici IT1040260B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA00744813A ZA744813B (en) 1974-07-29 1974-07-29 Improvements in or relating to drilling machines
ZA746730 1974-10-23

Publications (1)

Publication Number Publication Date
IT1040260B true IT1040260B (it) 1979-12-20

Family

ID=27131107

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25891/75A IT1040260B (it) 1974-07-29 1975-07-29 Perfezionamenti a o relativi a macchine perforatrici

Country Status (11)

Country Link
JP (1) JPS5137802A (es)
AR (1) AR207479A1 (es)
AT (1) AT337638B (es)
BR (1) BR7504844A (es)
CA (1) CA1030986A (es)
CH (1) CH587409A5 (es)
DE (1) DE2533500A1 (es)
ES (1) ES439831A1 (es)
FR (1) FR2280785A1 (es)
GB (1) GB1464826A (es)
IT (1) IT1040260B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523892B2 (es) * 1973-04-03 1980-06-25
DE2920049A1 (de) * 1979-05-18 1981-02-12 Salzgitter Maschinen Ag Bohrvorrichtung fuer das erdbohren
DE3338612A1 (de) * 1983-10-25 1985-05-02 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Spreizschild, insbesondere fuer den streckenvortrieb in bergbau-untertagebetrieben
FR2561305B1 (fr) * 1984-03-14 1986-09-12 Blanchard Hydraulique Assainis Appareil d'elimination de protuberances dans des conduites et/ou de forage de tunnels
CN101942833B (zh) * 2010-09-30 2012-05-09 建研地基基础工程有限责任公司 无骨架无粘结后张预应力抗拔灌注桩及其施工方法
CN106907106B (zh) * 2017-04-29 2023-05-16 吉林大学 热水驱动自旋转冰层取芯钻进方法及装置
CN110043210B (zh) * 2019-05-05 2021-05-04 三峡大学 一种高地应力下岩体钻孔取样应力保真装置及方法
EP3862528B1 (de) * 2020-02-04 2023-01-11 BAUER Maschinen GmbH Imloch-bohrgerät und verfahren zum erstellen einer bohrung
CN115749784B (zh) * 2022-11-09 2023-08-11 文山麻栗坡紫金钨业集团有限公司 一种采矿用连续钻进装置

Also Published As

Publication number Publication date
BR7504844A (pt) 1976-07-06
DE2533500A1 (de) 1976-02-19
AU8347475A (en) 1977-02-03
GB1464826A (en) 1977-02-16
AR207479A1 (es) 1976-10-08
CH587409A5 (es) 1977-04-29
CA1030986A (en) 1978-05-09
JPS5137802A (es) 1976-03-30
FR2280785A1 (fr) 1976-02-27
ATA582675A (de) 1976-11-15
ES439831A1 (es) 1977-05-16
AT337638B (de) 1977-07-11

Similar Documents

Publication Publication Date Title
SE415110B (sv) Dubbelviradel i pappersmaskin
BE834809A (fr) Machine a decaper
IT1042001B (it) Miglioramenti relativi a laminati
IT1042000B (it) Miglioramenti relativi a laminati
SE420803B (sv) Maskinverktyg
IT1035948B (it) Perfezionamento nelle macchine utensili
AR203356A1 (es) Maquina hidraulica
SE7513869L (sv) Preglingsmaskin
SE7411647L (sv) Borrmaskin
BR7505953A (pt) Aperfeicoamento em maquina classificadora
FR2280503A1 (fr) Perfectionnements a des machines a imprimer
IT1049644B (it) Miglioramenti nei o relativi a motocicli
SE7514675L (sv) Sitas i arbetsmaskin
BR7404511A (pt) Aperfeicoamentos em maquina de terraplenagem
IT1040260B (it) Perfezionamenti a o relativi a macchine perforatrici
IT1032820B (it) Macchina dinamlelettrica
IT1042981B (it) Macchina pr stampigliare oggetti
IT1034564B (it) Macchina utensile
BR7504600A (pt) Maquina-ferramenta
BR7502173A (pt) Melhoramentos em ou relacionados a sifoes
FR2281492A1 (fr) Machine a engrenage
FR2284753A1 (fr) Machine a engrenage
FR2281337A1 (fr) Perfectionnements apportes a des elements utilises en construction
SE418763B (sv) Radialkolvmaskin
BE826797A (fr) Perfectionnements relatifs a des trepans