EP 0419436 B1 19940824 - Method and device for tightening threaded joints.
Title (en)
Method and device for tightening threaded joints.
Title (de)
Verfahren und Vorrichtung zum Anziehen von mit Gewinde versehenen Verbindungen.
Title (fr)
Procédé et moyen pour serrer des connexions taraudées.
Publication
Application
Priority
SE 8903135 A 19890922
Abstract (en)
[origin: EP0419436A2] The invention relates to a method and a device for tightening threaded joints by applying torque on the joint by means of a power tool until a predetermined pretension level in the joint is reached, whereupon a control means connected to the power tool is arranged on one hand to initiate power shut-off and on the other hand to initiate continued successively decreasing power supply to the tool as the predetermined pretension level is passed.
IPC 1-7
IPC 8 full level
B25B 23/14 (2006.01); B25B 23/145 (2006.01); B25B 23/147 (2006.01); B25B 23/151 (2006.01)
CPC (source: EP)
B25B 23/14 (2013.01); B25B 23/145 (2013.01); B25B 23/147 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0419436 A2 19910327; EP 0419436 A3 19911204; EP 0419436 B1 19940824; DE 69011790 D1 19940929; DE 69011790 T2 19950427; JP H03184774 A 19910812; SE 464622 B 19910527; SE 8903135 D0 19890922; SE 8903135 L 19910323
DOCDB simple family (application)
EP 90850317 A 19900924; DE 69011790 T 19900924; JP 25204790 A 19900925; SE 8903135 A 19890922