BE567567A - - Google Patents

Info

Publication number
BE567567A
BE567567A BE567567DA BE567567A BE 567567 A BE567567 A BE 567567A BE 567567D A BE567567D A BE 567567DA BE 567567 A BE567567 A BE 567567A
Authority
BE
Belgium
Prior art keywords
roller
rollers
pin
roller bit
bit according
Prior art date
Application number
Other languages
English (en)
Dutch (nl)
Publication of BE567567A publication Critical patent/BE567567A/nl

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/22Roller bits characterised by bearing, lubrication or sealing details

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (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)
  • Earth Drilling (AREA)
BE567567D BE567567A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE567567A true BE567567A (enrdf_load_stackoverflow)

Family

ID=187240

Family Applications (1)

Application Number Title Priority Date Filing Date
BE567567D BE567567A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE567567A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208713B (de) * 1963-04-12 1966-01-13 Inst Francais Du Petrol Rollenmeissel fuer hohe Drehgeschwindigkeiten
DE3516584A1 (de) * 1984-05-10 1985-11-14 Sumitomo Metal Mining Co. Ltd., Tokio/Tokyo Bohrmeissel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208713B (de) * 1963-04-12 1966-01-13 Inst Francais Du Petrol Rollenmeissel fuer hohe Drehgeschwindigkeiten
DE3516584A1 (de) * 1984-05-10 1985-11-14 Sumitomo Metal Mining Co. Ltd., Tokio/Tokyo Bohrmeissel
FR2564133A1 (fr) * 1984-05-10 1985-11-15 Sumitomo Metal Mining Co Trepan de forage

Similar Documents

Publication Publication Date Title
FI79862B (fi) Haordmetallkropp anvaend foeretraedesvis foer berg- och mineralavverkning.
AU2006202787B2 (en) Graded hardfacing for drill bits
US7458646B2 (en) Rotatable cutting tool and cutting tool body
US3721307A (en) Drill bit bearings
DE112010003193T5 (de) Nicht drehende Unterlegscheibe für eine Werkzeugpicke und Verfahren zum Schützender Block- und Hülsenoberflächen durch eine solche Unterlegscheibe
US20030230926A1 (en) Rotating cutter bit assembly having hardfaced block and wear washer
EP3916114B1 (en) Drill tool and method for producing same
DE3009327A1 (de) Lageranordnung in einer rollbohrkrone
BE567567A (enrdf_load_stackoverflow)
US6053264A (en) Cutter head mounting for drill bit
Batchelor et al. Tribology in materials processing
GB1591559A (en) Bearing means for rotary drill bits
WO2009036112A1 (en) Hardfacing containing fullerenes for subterranean tools and methods of making
Kudo et al. Development of monobloc type high-carbon high-alloyed rolls for hot rolling mills
DE19601721C3 (de) Gewichtsoptimierter, mehrteiliger Gleitschuh
CH632180A5 (de) Steinschneidewerkzeug.
US3820613A (en) Roller reamer stabilizer
CN108620520A (zh) 锻造白口铸铁缸套
CA1039266A (en) Drill bit
CN201080792Y (zh) 高强度耐磨钻钎
CN206816664U (zh) 一种抓斗桥式起重机的抓斗铰接结构
CN223075536U (zh) 一种矿山用抗磨损的斜轧穿孔机导板
CN210333782U (zh) 一种便于维护的冷床裙板
JP2831865B2 (ja) 継目無鋼管の傾斜圧延方法
DE46691C (de) Gesteinbohrmaschine