IE48451B1 - Roller drill bit - Google Patents

Roller drill bit

Info

Publication number
IE48451B1
IE48451B1 IE1353/79A IE135379A IE48451B1 IE 48451 B1 IE48451 B1 IE 48451B1 IE 1353/79 A IE1353/79 A IE 1353/79A IE 135379 A IE135379 A IE 135379A IE 48451 B1 IE48451 B1 IE 48451B1
Authority
IE
Ireland
Prior art keywords
pin
drill bit
aperture
plug
cutter
Prior art date
Application number
IE1353/79A
Other languages
English (en)
Other versions
IE791353L (en
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 IE791353L publication Critical patent/IE791353L/xx
Publication of IE48451B1 publication Critical patent/IE48451B1/en

Links

Classifications

    • 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
IE1353/79A 1978-05-31 1979-08-08 Roller drill bit IE48451B1 (en)

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
IE791353L IE791353L (en) 1979-11-30
IE48451B1 true IE48451B1 (en) 1985-01-23

Family

ID=25774595

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1353/79A IE48451B1 (en) 1978-05-31 1979-08-08 Roller drill bit

Country Status (10)

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

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
PL214440A1 (nl) 1980-03-24
IE791353L (en) 1979-11-30
GB2022170B (en) 1982-06-09
MX147386A (es) 1982-11-26
FR2427460A1 (fr) 1979-12-28
NL7904233A (nl) 1979-12-04
GB2022170A (en) 1979-12-12
IT1166825B (it) 1987-05-06
PL121979B1 (en) 1982-06-30
AU532730B2 (en) 1983-10-13
FR2427460B1 (nl) 1983-12-09
SE7904516L (sv) 1979-12-01
BR7903396A (pt) 1979-12-11
AU4760179A (en) 1979-12-06
IT7922644A0 (it) 1979-05-14

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