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

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 (is") 1977-04-29

Family

ID=27131107

Family Applications (1)

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

Country Status (11)

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

Families Citing this family (9)

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

Similar Documents

Publication Publication Date Title
FR2257141A1 (is")
FR2258440B1 (is")
FR2262230B1 (is")
DK82475A (is")
FR2262635B1 (is")
JPS5137802A (is")
FR2257701A1 (is")
FR2261556B1 (is")
FR2260747B1 (is")
FR2260090A1 (is")
FR2262011A1 (is")
FR2258449A1 (is")
FI49456B (is")
CH585438A5 (is")
BG20715A1 (is")
AU480660A (is")
BG19703A1 (is")
BG19768A1 (is")
BG20503A1 (is")
DD116908A1 (is")
CH600442A5 (is")
CH595997A5 (is")
CH595084A5 (is")
BG20477A1 (is")
BG20983A1 (is")

Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased