FI781181A - Foerfarande foer framstaellning av en roterande bergborrkrona - Google Patents

Foerfarande foer framstaellning av en roterande bergborrkrona

Info

Publication number
FI781181A
FI781181A FI781181A FI781181A FI781181A FI 781181 A FI781181 A FI 781181A FI 781181 A FI781181 A FI 781181A FI 781181 A FI781181 A FI 781181A FI 781181 A FI781181 A FI 781181A
Authority
FI
Finland
Prior art keywords
frame steering
steering
frame
steering frame
Prior art date
Application number
FI781181A
Other languages
English (en)
Finnish (fi)
Inventor
Robert Dale Clamon
Samuel Lee Penny
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of FI781181A publication Critical patent/FI781181A/fi

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
    • F16N—LUBRICATING
    • F16N19/00—Lubricant containers for use in lubricators or lubrication systems
    • 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
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
FI781181A 1977-07-01 1978-04-18 Foerfarande foer framstaellning av en roterande bergborrkrona FI781181A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81228877A 1977-07-01 1977-07-01
US81228777A 1977-07-01 1977-07-01

Publications (1)

Publication Number Publication Date
FI781181A true FI781181A (fi) 1979-01-02

Family

ID=27123585

Family Applications (1)

Application Number Title Priority Date Filing Date
FI781181A FI781181A (fi) 1977-07-01 1978-04-18 Foerfarande foer framstaellning av en roterande bergborrkrona

Country Status (12)

Country Link
JP (1) JPS5414302A (no)
AU (1) AU518619B2 (no)
BR (1) BR7804216A (no)
DE (1) DE2828798A1 (no)
FI (1) FI781181A (no)
FR (1) FR2396152A1 (no)
GB (1) GB1602807A (no)
IT (1) IT1105345B (no)
MX (1) MX147222A (no)
NL (1) NL7805380A (no)
NO (1) NO782265L (no)
SE (1) SE7806864L (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8924962D0 (en) * 1989-11-04 1989-12-28 Lucas Ind Plc Brake actuator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1407378A (en) * 1973-06-04 1975-09-24 Reed Tool Co Pressure relief device for drill bit lubrication system
US3917028A (en) * 1975-01-13 1975-11-04 Smith International Lubrication reservoir assembly
BR7600745A (pt) * 1975-05-30 1977-05-10 Hughes Tool Co Aperfeicoamentos em processo de lubrificacao de uma broca perfuratriz para escavacao em terra,na respectiva broca perfuratriz,e em processo para encher um reservatorio de lubrificante
US4014595A (en) * 1975-05-30 1977-03-29 Hughes Tool Company Drill bit with seal ring compensator

Also Published As

Publication number Publication date
DE2828798A1 (de) 1979-01-18
NO782265L (no) 1979-01-03
FR2396152A1 (fr) 1979-01-26
IT1105345B (it) 1985-10-28
NL7805380A (nl) 1979-01-03
SE7806864L (sv) 1979-01-02
BR7804216A (pt) 1979-04-17
IT7850099A0 (it) 1978-06-29
AU518619B2 (en) 1981-10-08
JPS5414302A (en) 1979-02-02
AU3618578A (en) 1979-11-22
GB1602807A (en) 1981-11-18
MX147222A (es) 1982-10-26

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Legal Events

Date Code Title Description
MM Patent lapsed
FD Application lapsed

Owner name: DRESSER INDUSTRIES INC