CA918970A - Pipe wrench - Google Patents

Pipe wrench

Info

Publication number
CA918970A
CA918970A CA111314A CA111314A CA918970A CA 918970 A CA918970 A CA 918970A CA 111314 A CA111314 A CA 111314A CA 111314 A CA111314 A CA 111314A CA 918970 A CA918970 A CA 918970A
Authority
CA
Canada
Prior art keywords
pipe wrench
wrench
pipe
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
CA111314A
Inventor
H. G. Mader Horst
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
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 Atlas Copco AB filed Critical Atlas Copco AB
Application granted granted Critical
Publication of CA918970A publication Critical patent/CA918970A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B25B13/5008—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
    • B25B13/5016—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe
    • B25B13/5066—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using rollers moving along radial cams in a cage structure at least partially surrounding the pipe
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/1261—Chucks with simultaneously-acting jaws, whether or not also individually adjustable pivotally movable in a radial plane
    • 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
    • E21B19/18—Connecting or disconnecting drill bit and drilling pipe
CA111314A 1970-04-28 1971-04-26 Pipe wrench Expired CA918970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702020625 DE2020625A1 (en) 1970-04-28 1970-04-28 Device for the frictional clamping of preferably cylindrical workpieces

Publications (1)

Publication Number Publication Date
CA918970A true CA918970A (en) 1973-01-16

Family

ID=5769565

Family Applications (1)

Application Number Title Priority Date Filing Date
CA111314A Expired CA918970A (en) 1970-04-28 1971-04-26 Pipe wrench

Country Status (5)

Country Link
US (1) US3698266A (en)
CA (1) CA918970A (en)
DE (1) DE2020625A1 (en)
GB (1) GB1306208A (en)
SE (2) SE7105226L (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543547C2 (en) * 1975-09-30 1984-04-26 Rems-Werk Christian Föll und Söhne GmbH & Co, 7050 Waiblingen Workpiece clamping device on a thread cutting machine
US4372026A (en) * 1980-09-16 1983-02-08 Mosing Donald E Method and apparatus for connecting and disconnecting tubular members
US4676125A (en) * 1986-04-07 1987-06-30 Ardelean Jeffrey L Adjustable socket
CA1276008C (en) * 1987-01-22 1990-11-06 Allen H. Kaven Self-adjusting bit basket
DE9312316U1 (en) * 1993-08-18 1994-06-30 Reinermann Carmen Tool for twisting, especially screwing pipes
DE10035093A1 (en) * 2000-07-17 2002-01-31 Fischer Georg Rohrleitung Clamping device used plastic welding machine for fixing plastic molded parts during welding, has clamping component having projection(s) on inner surface which bears on outer surface of plastic molded part
CN103056825A (en) * 2012-12-17 2013-04-24 中交第一航务工程勘察设计院有限公司 Rubbing plate device for screwing and detaching drill rod
CN105625966A (en) * 2016-03-25 2016-06-01 北京南车时代机车车辆机械有限公司 Roofbolter and gripper thereof
JP6692943B1 (en) * 2019-01-22 2020-05-13 株式会社オリジン Clamping mechanism, joining member manufacturing apparatus, and joining member manufacturing method

Also Published As

Publication number Publication date
US3698266A (en) 1972-10-17
DE2020625A1 (en) 1971-12-09
GB1306208A (en) 1973-02-07
SE7105226L (en) 1971-10-29
SE378543B (en) 1975-09-08

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