NL149252B - Gesteentedraaiboorkop. - Google Patents

Gesteentedraaiboorkop.

Info

Publication number
NL149252B
NL149252B NL656515275A NL6515275A NL149252B NL 149252 B NL149252 B NL 149252B NL 656515275 A NL656515275 A NL 656515275A NL 6515275 A NL6515275 A NL 6515275A NL 149252 B NL149252 B NL 149252B
Authority
NL
Netherlands
Prior art keywords
drill chuck
stone drill
stone
chuck
drill
Prior art date
Application number
NL656515275A
Other languages
English (en)
Other versions
NL6515275A (nl
Original Assignee
Smith Ind International
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 Smith Ind International filed Critical Smith Ind International
Publication of NL6515275A publication Critical patent/NL6515275A/xx
Publication of NL149252B publication Critical patent/NL149252B/nl

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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/32—Belleville-type springs
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3436—Pressing means
    • F16J15/3456—Pressing means without external means for pressing the ring against the face, e.g. slip-ring with a resilient lip
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
    • F16J15/52—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms

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)
  • Mechanical Sealing (AREA)
NL656515275A 1965-08-17 1965-11-24 Gesteentedraaiboorkop. NL149252B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US480439A US3381968A (en) 1965-08-17 1965-08-17 Bearing seal

Publications (2)

Publication Number Publication Date
NL6515275A NL6515275A (nl) 1967-02-20
NL149252B true NL149252B (nl) 1976-04-15

Family

ID=23907974

Family Applications (1)

Application Number Title Priority Date Filing Date
NL656515275A NL149252B (nl) 1965-08-17 1965-11-24 Gesteentedraaiboorkop.

Country Status (4)

Country Link
US (1) US3381968A (nl)
DE (1) DE1475844A1 (nl)
FR (1) FR1456206A (nl)
NL (1) NL149252B (nl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6942657U (de) * 1969-11-03 1971-04-15 Bosch Gmbh Robert Wirbelstrombremse, insbesondere fuer fahrzeuge.
US4116451A (en) * 1977-06-16 1978-09-26 Maurer Engineering, Inc. Shaft seal assembly and seal ring therefor
US4178045A (en) * 1978-05-05 1979-12-11 Smith International, Inc. Abrasion resistant bearing seal
SE428139B (sv) * 1979-03-28 1983-06-06 Sandvik Ab Bergborrkrona
US4344629A (en) * 1980-10-14 1982-08-17 Smith International, Inc. Self-lapping high speed seal with wear-in lip
US4394020A (en) * 1982-10-18 1983-07-19 Smith International, Inc. High-speed seal
FR2546257B1 (fr) * 1983-05-16 1988-08-12 Valeo Poulie de variateur de vitesse
US4851068A (en) * 1986-06-25 1989-07-25 Smith International, Inc. Method of making a sealing element
US4730681A (en) * 1986-08-29 1988-03-15 Rock Bit Industries U.S.A., Inc. Rock bit cone lock and method
FR2606108B1 (fr) * 1986-11-03 1990-12-14 Valeo Ensemble elastique unitaire a pieces globalement annulaires et applications, notamment poulie de variateur de vitesse et mecanisme d'embrayage comportant un tel ensemble elastique unitaire
US4722404A (en) * 1987-01-28 1988-02-02 Varel Manufacturing Company Drill bit bearing seal
US4796922A (en) * 1987-12-30 1989-01-10 Vetco Gray Inc. Subsea multiway hydraulic connector
US6406029B1 (en) * 1999-08-17 2002-06-18 Caterpillar Inc. Seal assembly having an encapsulated cone spring

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107905A (en) * 1960-10-19 1963-10-22 Charles D Lucas Belleville spring elastic suspension
US3147961A (en) * 1960-10-27 1964-09-08 Marotta Valve Corp Enclosed spring construction
US3137508A (en) * 1961-01-03 1964-06-16 Hughes Tool Co Bearing seal
US3096835A (en) * 1962-01-02 1963-07-09 Smith Ind International Inc Bearing seal for rotary rock bits

Also Published As

Publication number Publication date
US3381968A (en) 1968-05-07
DE1475844A1 (de) 1969-03-13
FR1456206A (fr) 1966-10-21
NL6515275A (nl) 1967-02-20

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application