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NL6515275A - - Google Patents

Info

Publication number
NL6515275A
NL6515275A NL6515275A NL6515275A NL6515275A NL 6515275 A NL6515275 A NL 6515275A NL 6515275 A NL6515275 A NL 6515275A NL 6515275 A NL6515275 A NL 6515275A NL 6515275 A NL6515275 A NL 6515275A
Authority
NL
Netherlands
Application number
NL6515275A
Other versions
NL149252B (nl
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 filed Critical
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 true NL6515275A (nl) 1967-02-20
NL149252B 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
FR1456206A (fr) 1966-10-21
DE1475844A1 (de) 1969-03-13
NL149252B (nl) 1976-04-15
US3381968A (en) 1968-05-07

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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