EP0419435A3 - Method and device for tightening threaded joints - Google Patents

Method and device for tightening threaded joints Download PDF

Info

Publication number
EP0419435A3
EP0419435A3 EP19900850316 EP90850316A EP0419435A3 EP 0419435 A3 EP0419435 A3 EP 0419435A3 EP 19900850316 EP19900850316 EP 19900850316 EP 90850316 A EP90850316 A EP 90850316A EP 0419435 A3 EP0419435 A3 EP 0419435A3
Authority
EP
European Patent Office
Prior art keywords
threaded joints
tightening threaded
tightening
joints
threaded
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.)
Granted
Application number
EP19900850316
Other versions
EP0419435B1 (en
EP0419435A2 (en
Inventor
Gunnar Christer Hansson
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 Industrial Technique AB
Original Assignee
Atlas Copco Tools 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 Tools AB filed Critical Atlas Copco Tools AB
Publication of EP0419435A2 publication Critical patent/EP0419435A2/en
Publication of EP0419435A3 publication Critical patent/EP0419435A3/en
Application granted granted Critical
Publication of EP0419435B1 publication Critical patent/EP0419435B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/147Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
EP19900850316 1989-09-22 1990-09-24 Device for tightening threaded joints Expired - Lifetime EP0419435B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8903134A SE8903134L (en) 1989-09-22 1989-09-22 METHOD AND APPARATUS FOR TENSION OF THROUGH TAPES
SE8903134 1989-09-22

Publications (3)

Publication Number Publication Date
EP0419435A2 EP0419435A2 (en) 1991-03-27
EP0419435A3 true EP0419435A3 (en) 1991-12-04
EP0419435B1 EP0419435B1 (en) 1995-07-19

Family

ID=20376960

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900850316 Expired - Lifetime EP0419435B1 (en) 1989-09-22 1990-09-24 Device for tightening threaded joints

Country Status (4)

Country Link
EP (1) EP0419435B1 (en)
JP (1) JP3505175B2 (en)
DE (1) DE69020994T2 (en)
SE (1) SE8903134L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506118C2 (en) * 1993-09-02 1997-11-10 Atlas Copco Tools Ab Method for tightening threaded joints to a desired bias level by means of a manually operated force nut puller comprising a downward phase and a biasing phase, sensing the torque resistance in the joint and interrupting rotation at the desired bias level reached
SE513563C2 (en) * 1998-03-19 2000-10-02 Atlas Copco Tools Ab Method for self-programming control systems for power nuts during initial tightening procedures
US6538403B2 (en) 2000-01-07 2003-03-25 Black & Decker Inc. Brushless DC motor sensor control system and method
US7058291B2 (en) 2000-01-07 2006-06-06 Black & Decker Inc. Brushless DC motor
US6975050B2 (en) 2000-01-07 2005-12-13 Black & Decker Inc. Brushless DC motor
DE10133923B4 (en) * 2001-07-12 2015-10-22 Paul-Heinz Wagner Method for automatically controlling a screwing operation
CA2535299C (en) * 2006-02-06 2014-07-22 Dan Provost Method for applying preset torques to threaded fasteners and a power tool therefor
DE102006017193A1 (en) 2006-04-12 2007-10-25 Robert Bosch Gmbh Method for tightening a screw connection and screwing tool

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3330028A1 (en) * 1982-10-13 1984-04-19 Daiichi Dentsu K.K., Chofu NUT SCREW-ON DEVICE USING AN INDUCTION MOTOR
EP0221528A2 (en) * 1985-11-06 1987-05-13 SPS TECHNOLOGIES, Inc. Improvements in or relating to a tightening system and/or a method of tightening

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3330028A1 (en) * 1982-10-13 1984-04-19 Daiichi Dentsu K.K., Chofu NUT SCREW-ON DEVICE USING AN INDUCTION MOTOR
EP0221528A2 (en) * 1985-11-06 1987-05-13 SPS TECHNOLOGIES, Inc. Improvements in or relating to a tightening system and/or a method of tightening

Also Published As

Publication number Publication date
JPH03184775A (en) 1991-08-12
DE69020994T2 (en) 1996-04-11
DE69020994D1 (en) 1995-08-24
SE8903134D0 (en) 1989-09-22
EP0419435B1 (en) 1995-07-19
SE8903134L (en) 1991-03-23
EP0419435A2 (en) 1991-03-27
JP3505175B2 (en) 2004-03-08

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