NO168261C - Tang. - Google Patents

Tang.

Info

Publication number
NO168261C
NO168261C NO851068A NO851068A NO168261C NO 168261 C NO168261 C NO 168261C NO 851068 A NO851068 A NO 851068A NO 851068 A NO851068 A NO 851068A NO 168261 C NO168261 C NO 168261C
Authority
NO
Norway
Prior art keywords
pliers
Prior art date
Application number
NO851068A
Other languages
English (en)
Norwegian (no)
Other versions
NO168261B (no
NO851068L (no
Inventor
Charles W Haynes
Frank W Gault
Original Assignee
Varco Int
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 Varco Int filed Critical Varco Int
Publication of NO851068L publication Critical patent/NO851068L/no
Publication of NO168261B publication Critical patent/NO168261B/no
Publication of NO168261C publication Critical patent/NO168261C/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08—Advancing mechanisms
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
    • E21B19/164—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe motor actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Surgical Instruments (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Endoscopes (AREA)
  • Scissors And Nippers (AREA)
  • Earth Drilling (AREA)
NO851068A 1984-03-19 1985-03-18 Tang. NO168261C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59107784A 1984-03-19 1984-03-19

Publications (3)

Publication Number Publication Date
NO851068L NO851068L (no) 1985-09-20
NO168261B NO168261B (no) 1991-10-21
NO168261C true NO168261C (no) 1992-01-29

Family

ID=24364964

Family Applications (1)

Application Number Title Priority Date Filing Date
NO851068A NO168261C (no) 1984-03-19 1985-03-18 Tang.

Country Status (7)

Country Link
JP (1) JPS60201885A (enExample)
KR (1) KR850006726A (enExample)
CA (1) CA1228848A (enExample)
DE (1) DE3445322A1 (enExample)
GB (1) GB2155832B (enExample)
MX (1) MX166913B (enExample)
NO (1) NO168261C (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104265210B (zh) * 2014-09-23 2015-12-30 天合石油集团汇丰石油装备有限公司 液压拆装架360°旋扣钳

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967446A (en) * 1957-07-18 1961-01-10 Arthur E Martois Power operated, portable pipe wrench
US3193899A (en) * 1963-05-13 1965-07-13 Up Right Inc Locking hook
US4005621A (en) * 1976-04-27 1977-02-01 Joy Manufacturing Company Drilling tong

Also Published As

Publication number Publication date
DE3445322C2 (enExample) 1993-08-26
DE3445322A1 (de) 1985-09-19
NO168261B (no) 1991-10-21
GB2155832B (en) 1988-02-03
GB2155832A (en) 1985-10-02
KR850006726A (ko) 1985-10-16
GB8430464D0 (en) 1985-01-09
CA1228848A (en) 1987-11-03
NO851068L (no) 1985-09-20
MX166913B (es) 1993-02-12
JPS60201885A (ja) 1985-10-12

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