DE3575448D1 - PLIERS AND PLIERS ARRANGEMENT. - Google Patents

PLIERS AND PLIERS ARRANGEMENT.

Info

Publication number
DE3575448D1
DE3575448D1 DE8585630095T DE3575448T DE3575448D1 DE 3575448 D1 DE3575448 D1 DE 3575448D1 DE 8585630095 T DE8585630095 T DE 8585630095T DE 3575448 T DE3575448 T DE 3575448T DE 3575448 D1 DE3575448 D1 DE 3575448D1
Authority
DE
Germany
Prior art keywords
pliers
arrangement
pliers arrangement
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8585630095T
Other languages
German (de)
Inventor
William Roger Hamilton
Karl Arthur Schulz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Varco International Inc
Original Assignee
Varco 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 Varco International Inc filed Critical Varco International Inc
Application granted granted Critical
Publication of DE3575448D1 publication Critical patent/DE3575448D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
DE8585630095T 1984-06-29 1985-06-20 PLIERS AND PLIERS ARRANGEMENT. Expired - Lifetime DE3575448D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62618684A 1984-06-29 1984-06-29

Publications (1)

Publication Number Publication Date
DE3575448D1 true DE3575448D1 (en) 1990-02-22

Family

ID=24509326

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585630095T Expired - Lifetime DE3575448D1 (en) 1984-06-29 1985-06-20 PLIERS AND PLIERS ARRANGEMENT.

Country Status (4)

Country Link
EP (1) EP0166675B1 (en)
CA (1) CA1232537A (en)
DE (1) DE3575448D1 (en)
NO (1) NO852466L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI854120L (en) * 1985-10-22 1987-04-23 Tampella Oy Ab OEPPNINGSANORDNING FOER BORRSTAENGER FOER EN SKARVSTAONGSBORRNINGSUTRUSTNING.
GB2321867A (en) * 1997-02-07 1998-08-12 Weatherford Lamb Apparatus for gripping a tubular
EP2273060B1 (en) * 2000-10-16 2012-02-08 Weatherford Lamb, Inc. Coupling apparatus
NO342260B1 (en) * 2016-03-02 2018-04-30 Mhwirth As Top drive for a drilling rig
DE102016111122A1 (en) 2016-06-17 2017-12-21 Hoerbiger Antriebstechnik Holding Gmbh Sintered friction material for a friction lining

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495834A (en) * 1946-10-04 1950-01-31 Patents Inc Casing tongs
US2649283A (en) * 1947-12-30 1953-08-18 Byron Jackson Co Spinning and make-up tong
US3799009A (en) * 1972-02-10 1974-03-26 W Guier Apparatus for threading and unthreading vertical lengths of drill pipe
US4200010A (en) * 1978-08-07 1980-04-29 Hewitt Burton L Power-operated drill pipe spinner and pipe tongs

Also Published As

Publication number Publication date
EP0166675B1 (en) 1990-01-17
EP0166675A2 (en) 1986-01-02
CA1232537A (en) 1988-02-09
NO852466L (en) 1985-12-30
EP0166675A3 (en) 1986-12-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee