PL78460B1 - - Google Patents

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Publication number
PL78460B1
PL78460B1 PL1972158089A PL15808972A PL78460B1 PL 78460 B1 PL78460 B1 PL 78460B1 PL 1972158089 A PL1972158089 A PL 1972158089A PL 15808972 A PL15808972 A PL 15808972A PL 78460 B1 PL78460 B1 PL 78460B1
Authority
PL
Poland
Prior art keywords
chamber
pressure
holes
wall
drill
Prior art date
Application number
PL1972158089A
Other languages
English (en)
Polish (pl)
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 filed Critical
Publication of PL78460B1 publication Critical patent/PL78460B1/pl

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • 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

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)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Earth Drilling (AREA)
  • Crushing And Pulverization Processes (AREA)
PL1972158089A 1972-05-24 1972-10-05 PL78460B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7219779A FR2185744B2 (OSRAM) 1972-05-24 1972-05-24

Publications (1)

Publication Number Publication Date
PL78460B1 true PL78460B1 (OSRAM) 1975-06-30

Family

ID=9099543

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1972158089A PL78460B1 (OSRAM) 1972-05-24 1972-10-05

Country Status (4)

Country Link
FR (1) FR2185744B2 (OSRAM)
NO (1) NO138778C (OSRAM)
PL (1) PL78460B1 (OSRAM)
RO (1) RO61456A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117703259B (zh) * 2024-02-04 2024-04-30 山东科技大学 一种用于矿山开采的防扬尘的钻进装置及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB489171A (en) * 1937-01-19 1938-07-19 William Langsdorf Improvements in paint and like mixing and grinding machines
FR1220864A (fr) * 1958-12-22 1960-05-30 Outil pour le forage du sol
US2991946A (en) * 1959-06-09 1961-07-11 Majac Inc Impact pulverizer
CH473610A (de) * 1966-12-23 1969-06-15 Automatica S A Rührwerk-Kugelmühle
US3491953A (en) * 1967-01-09 1970-01-27 Fluid Energy Process Equip Treatment of granular solids by fluid energy mills
US3514043A (en) * 1967-08-04 1970-05-26 Nat Lead Co Fluid energy mill for milling friable materials

Also Published As

Publication number Publication date
RO61456A (OSRAM) 1977-03-15
NO138778C (no) 1978-11-08
FR2185744B2 (OSRAM) 1976-08-06
FR2185744A2 (OSRAM) 1974-01-04
NO138778B (no) 1978-07-31

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