GB578972A - Improvements in or relating to pipe tongs - Google Patents

Improvements in or relating to pipe tongs

Info

Publication number
GB578972A
GB578972A GB684544A GB684544A GB578972A GB 578972 A GB578972 A GB 578972A GB 684544 A GB684544 A GB 684544A GB 684544 A GB684544 A GB 684544A GB 578972 A GB578972 A GB 578972A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
series
segments
pivoted
adapted
segment
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
Application number
GB684544A
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.)
BYRON JACKSON Co
Original Assignee
BYRON JACKSON CO
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

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick
    • E21B19/16Connecting or disconnecting pipe couplings or joints
    • E21B19/161Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe

Abstract

578,972. Wrenches. STEVENS, A. H. (Byron Jackson Co.). April 13, 1944, No. 6845. [Class 61 (iii)] A pipe tongs adapted for use with a wide range of drill pipe, drill collars and casing comprises two series of jointed jaw segments pivoted to the driving lever, each series having one jaw segment adapted to be pivoted at a number of selective points to an adjacent segment of the series and latch means for connecting the two series. In, the construction shown, the pairs of gripping segments 1, 5 and 10, 12 are pivoted at 2, 11 to the lever 3, the segments 5, 12 terminating respectively in arms 20, 30 each with a range of pivot holes for the pins 4, 13 connecting them to the forked ends of the other jaw segments 1, 10. The latch 6 carries a projection 17 adapted to , engage any one of the shoulders 14, 15, 16 on the segment 12.
GB684544A 1944-04-13 1944-04-13 Improvements in or relating to pipe tongs Expired GB578972A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB684544A GB578972A (en) 1944-04-13 1944-04-13 Improvements in or relating to pipe tongs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB684544A GB578972A (en) 1944-04-13 1944-04-13 Improvements in or relating to pipe tongs

Publications (1)

Publication Number Publication Date
GB578972A true true GB578972A (en) 1946-07-18

Family

ID=9821797

Family Applications (1)

Application Number Title Priority Date Filing Date
GB684544A Expired GB578972A (en) 1944-04-13 1944-04-13 Improvements in or relating to pipe tongs

Country Status (1)

Country Link
GB (1) GB578972A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167128A (en) * 1978-04-14 1979-09-11 Weatherford/Lamb, Inc. Apparatus for imparting torsion to a tubular member
US6327938B1 (en) 1997-02-07 2001-12-11 Weatherford/Lamb, Inc. Jaw unit for use in a power tong

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167128A (en) * 1978-04-14 1979-09-11 Weatherford/Lamb, Inc. Apparatus for imparting torsion to a tubular member
US6327938B1 (en) 1997-02-07 2001-12-11 Weatherford/Lamb, Inc. Jaw unit for use in a power tong

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