NL7904233A - Roterende boorkop. - Google Patents

Roterende boorkop.

Info

Publication number
NL7904233A
NL7904233A NL7904233A NL7904233A NL7904233A NL 7904233 A NL7904233 A NL 7904233A NL 7904233 A NL7904233 A NL 7904233A NL 7904233 A NL7904233 A NL 7904233A NL 7904233 A NL7904233 A NL 7904233A
Authority
NL
Netherlands
Prior art keywords
rotary drill
drill chuck
chuck
rotary
drill
Prior art date
Application number
NL7904233A
Other languages
English (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 NL7904233A publication Critical patent/NL7904233A/nl

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
NL7904233A 1978-05-31 1979-05-30 Roterende boorkop. NL7904233A (nl)

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 (1)

Publication Number Publication Date
NL7904233A true NL7904233A (nl) 1979-12-04

Family

ID=25774595

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7904233A NL7904233A (nl) 1978-05-31 1979-05-30 Roterende boorkop.

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
AU4760179A (en) 1979-12-06
IE791353L (en) 1979-11-30
MX147386A (es) 1982-11-26
FR2427460B1 (nl) 1983-12-09
AU532730B2 (en) 1983-10-13
IT1166825B (it) 1987-05-06
GB2022170A (en) 1979-12-12
IT7922644A0 (it) 1979-05-14
PL214440A1 (nl) 1980-03-24
FR2427460A1 (fr) 1979-12-28
PL121979B1 (en) 1982-06-30
BR7903396A (pt) 1979-12-11
GB2022170B (en) 1982-06-09
SE7904516L (sv) 1979-12-01
IE48451B1 (en) 1985-01-23

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BV The patent application has lapsed