IT7922644A0 - Scalpello a rulli con rulli di taglio. - Google Patents

Scalpello a rulli con rulli di taglio.

Info

Publication number
IT7922644A0
IT7922644A0 IT7922644A IT2264479A IT7922644A0 IT 7922644 A0 IT7922644 A0 IT 7922644A0 IT 7922644 A IT7922644 A IT 7922644A IT 2264479 A IT2264479 A IT 2264479A IT 7922644 A0 IT7922644 A0 IT 7922644A0
Authority
IT
Italy
Prior art keywords
cutting rollers
roller chisel
chisel
roller
rollers
Prior art date
Application number
IT7922644A
Other languages
English (en)
Other versions
IT1166825B (it
Original Assignee
Sandvik Ab
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 DE2823698A external-priority patent/DE2823698C2/de
Priority claimed from DE19782841971 external-priority patent/DE2841971A1/de
Application filed by Sandvik Ab filed Critical Sandvik Ab
Publication of IT7922644A0 publication Critical patent/IT7922644A0/it
Application granted granted Critical
Publication of IT1166825B publication Critical patent/IT1166825B/it

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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00—Assembling bearings
    • F16C43/04—Assembling rolling-contact bearings
    • F16C43/06—Placing rolling bodies in cages or bearings
    • 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
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Rolling Contact Bearings (AREA)
  • Earth Drilling (AREA)
  • Gripping On Spindles (AREA)
IT22644/79A 1978-05-31 1979-05-14 Scalpello a rulli con rulli di taglio IT1166825B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2823698A DE2823698C2 (de) 1978-05-31 1978-05-31 Rollenmeißel mit einem Einfülloch für Lagerrollen
DE19782841971 DE2841971A1 (de) 1978-09-27 1978-09-27 Rollenmeissel mit schneidrollen

Publications (2)

Publication Number Publication Date
IT7922644A0 true IT7922644A0 (it) 1979-05-14
IT1166825B IT1166825B (it) 1987-05-06

Family

ID=25774595

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22644/79A IT1166825B (it) 1978-05-31 1979-05-14 Scalpello a rulli con rulli di taglio

Country Status (10)

Country Link
AU (1) AU532730B2 (it)
BR (1) BR7903396A (it)
FR (1) FR2427460A1 (it)
GB (1) GB2022170B (it)
IE (1) IE48451B1 (it)
IT (1) IT1166825B (it)
MX (1) MX147386A (it)
NL (1) NL7904233A (it)
PL (1) PL121979B1 (it)
SE (1) SE7904516L (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8007104U1 (de) * 1980-03-15 1980-06-12 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Rollenmeissel mit kegeligen schneidrollen
US4552233A (en) * 1982-09-30 1985-11-12 Warren A. Sturm Rotary drill bit seal
US6196339B1 (en) 1995-12-19 2001-03-06 Smith International, Inc. Dual-seal drill bit pressure communication system

Also Published As

Publication number Publication date
IE48451B1 (en) 1985-01-23
IT1166825B (it) 1987-05-06
PL121979B1 (en) 1982-06-30
FR2427460A1 (fr) 1979-12-28
GB2022170B (en) 1982-06-09
AU532730B2 (en) 1983-10-13
BR7903396A (pt) 1979-12-11
IE791353L (en) 1979-11-30
AU4760179A (en) 1979-12-06
SE7904516L (sv) 1979-12-01
FR2427460B1 (it) 1983-12-09
NL7904233A (nl) 1979-12-04
MX147386A (es) 1982-11-26
GB2022170A (en) 1979-12-12
PL214440A1 (it) 1980-03-24

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