RO61456A - - Google Patents

Info

Publication number
RO61456A
RO61456A RO7200071407A RO7140772A RO61456A RO 61456 A RO61456 A RO 61456A RO 7200071407 A RO7200071407 A RO 7200071407A RO 7140772 A RO7140772 A RO 7140772A RO 61456 A RO61456 A RO 61456A
Authority
RO
Romania
Application number
RO7200071407A
Other languages
Romanian (ro)
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 RO61456A publication Critical patent/RO61456A/ro

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)
RO7200071407A 1972-05-24 1972-06-26 RO61456A (zh)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
RO61456A true RO61456A (zh) 1977-03-15

Family

ID=9099543

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7200071407A RO61456A (zh) 1972-05-24 1972-06-26

Country Status (4)

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

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
NO138778C (no) 1978-11-08
NO138778B (no) 1978-07-31
FR2185744B2 (zh) 1976-08-06
FR2185744A2 (zh) 1974-01-04
PL78460B1 (zh) 1975-06-30

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