CH587409A5 - - Google Patents

Info

Publication number
CH587409A5
CH587409A5 CH980375A CH980375A CH587409A5 CH 587409 A5 CH587409 A5 CH 587409A5 CH 980375 A CH980375 A CH 980375A CH 980375 A CH980375 A CH 980375A CH 587409 A5 CH587409 A5 CH 587409A5
Authority
CH
Switzerland
Application number
CH980375A
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
Publication of CH587409A5 publication Critical patent/CH587409A5/xx

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)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
CH980375A 1974-07-29 1975-07-28 CH587409A5 (enrdf_load_stackoverflow)

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
CH587409A5 true CH587409A5 (enrdf_load_stackoverflow) 1977-04-29

Family

ID=27131107

Family Applications (1)

Application Number Title Priority Date Filing Date
CH980375A CH587409A5 (enrdf_load_stackoverflow) 1974-07-29 1975-07-28

Country Status (11)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523892B2 (enrdf_load_stackoverflow) * 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
FR2280785A1 (fr) 1976-02-27
AT337638B (de) 1977-07-11
AU8347475A (en) 1977-02-03
JPS5137802A (enrdf_load_stackoverflow) 1976-03-30
AR207479A1 (es) 1976-10-08
ATA582675A (de) 1976-11-15
IT1040260B (it) 1979-12-20
DE2533500A1 (de) 1976-02-19
BR7504844A (pt) 1976-07-06
CA1030986A (en) 1978-05-09
GB1464826A (en) 1977-02-16
ES439831A1 (es) 1977-05-16

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased