ITRM20020487A0 - Scalpello a coni rotanti con perfezionato cuscinetto di spinta. - Google Patents

Scalpello a coni rotanti con perfezionato cuscinetto di spinta.

Info

Publication number
ITRM20020487A0
ITRM20020487A0 IT2002RM000487A ITRM20020487A ITRM20020487A0 IT RM20020487 A0 ITRM20020487 A0 IT RM20020487A0 IT 2002RM000487 A IT2002RM000487 A IT 2002RM000487A IT RM20020487 A ITRM20020487 A IT RM20020487A IT RM20020487 A0 ITRM20020487 A0 IT RM20020487A0
Authority
IT
Italy
Prior art keywords
thrust bearing
rotating cone
improved thrust
chisel
cone chisel
Prior art date
Application number
IT2002RM000487A
Other languages
English (en)
Inventor
Daniel W Varel Sr
Original Assignee
Varel International Inc
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 by Varel International Inc filed Critical Varel International Inc
Publication of ITRM20020487A0 publication Critical patent/ITRM20020487A0/it

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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/46—Cages for rollers or needles
    • F16C33/48—Cages for rollers or needles for multiple rows of rollers or needles
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
    • F16C19/305—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly consisting of rollers held in a cage
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/46—Cages for rollers or needles
    • F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Rolling Contact Bearings (AREA)
IT2002RM000487A 2001-10-05 2002-09-30 Scalpello a coni rotanti con perfezionato cuscinetto di spinta. ITRM20020487A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US97221601A 2001-10-05 2001-10-05

Publications (1)

Publication Number Publication Date
ITRM20020487A0 true ITRM20020487A0 (it) 2002-09-30

Family

ID=25519354

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2002RM000487A ITRM20020487A0 (it) 2001-10-05 2002-09-30 Scalpello a coni rotanti con perfezionato cuscinetto di spinta.

Country Status (4)

Country Link
JP (1) JP2003176683A (it)
CA (1) CA2394212A1 (it)
GB (1) GB2380500A (it)
IT (1) ITRM20020487A0 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2359102C2 (ru) * 2007-05-02 2009-06-20 Государственное образовательное учреждение высшего профессионального образования Самарский государственный технический университет Опора бурового шарошечного долота
US20090271161A1 (en) * 2008-04-25 2009-10-29 Baker Hughes Incorporated Arrangement of cutting elements on roller cones for earth boring bits
EP2628968B1 (en) * 2012-02-16 2019-06-12 Aktiebolaget SKF Loose spacing body forming an open pocket to accomodate two rollers, in particular for a thrust roller bearing of a tunnel boring machine
JP5849069B2 (ja) * 2013-06-18 2016-01-27 東北電力株式会社 地盤掘削用アタッチメント、それを利用した掘削方法、および、土留支保工法
CN115874947A (zh) * 2022-12-21 2023-03-31 天津立林钻头有限公司 滚动推力轴承的牙轮钻头
US12297698B2 (en) * 2023-07-28 2025-05-13 Caterpillar Inc. Retainer for rotary cone drill bit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2823698C2 (de) * 1978-05-31 1981-09-17 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Rollenmeißel mit einem Einfülloch für Lagerrollen
SE428139B (sv) * 1979-03-28 1983-06-06 Sandvik Ab Bergborrkrona
US4453836A (en) * 1981-08-31 1984-06-12 Klima Frank J Sealed hard-rock drill bit
US5224560A (en) * 1990-10-30 1993-07-06 Modular Engineering Modular drill bit
US5148879A (en) * 1992-06-17 1992-09-22 Smith International, Inc. Spindle cap bearing for rotary cone rock bits
US5642942A (en) * 1996-03-26 1997-07-01 Smith International, Inc. Thrust plugs for rotary cone air bits

Also Published As

Publication number Publication date
CA2394212A1 (en) 2003-04-05
GB2380500A (en) 2003-04-09
JP2003176683A (ja) 2003-06-27
GB0215327D0 (en) 2002-08-14

Similar Documents

Publication Publication Date Title
MA25723A1 (fr) Propulseur haute performance.
DE122010000009I2 (de) Beta2-adrenoceptor agonisten.
DE69926046D1 (de) Drucklager
DE50206381D1 (de) Axiallager
IT1319495B1 (it) Procedimento per la realizzazione di un rotore per compressoricentrifughi.
BR0304677B1 (pt) inversor de empuxo para turborreator.
NL1015211A1 (nl) Aandrijving.
AU2002210307A1 (en) Thrust bearing
ITBO990171A0 (it) Macchina depallettizzatrice .
ITRM20020487A0 (it) Scalpello a coni rotanti con perfezionato cuscinetto di spinta.
ITTO20000404A0 (it) Punti per perforazione di terreno con gambe inclinate.
ZA200201204B (en) Shaft bearing.
ITVR20000045A0 (it) Mulino ad elevata resa aerodinamica.
ITTO20001222A0 (it) Dispositivo di tenuta per un cuscinetto a rotolamento.
ITTO20001187A0 (it) Dispositivo di tenuta per un cuscinetto a rotolamento.
ITTO20001004A0 (it) Dispositivo di tenuta per un cuscinetto di rotolamento.
IT1302194B1 (it) Scaffalatura su base mobile ad azionamento perfezionato.
BR0008733B1 (pt) montagem de mancal.
IT1320473B1 (it) Cuscinetto a rotolamento.
ITTO20010065A0 (it) Torretta rotante portautensili.
DE50201269D1 (de) Radiallager
AU2002228209A1 (en) Thrust bearing arrangement
IT1309433B1 (it) Fresa ad uso odontoiatrico.
ES1047544Y (es) Utillaje posicionador radial.
ZA200200961B (en) Bearing assembly.