Device for tightening threaded joints

Details Device for tightening threaded joints Device for tightening threaded joints

1992-02-20

1993-04-27

Eley, Timothy V.

Metal working

Means to assemble or disassemble

With randomly actuated stopping or disabling means

29714, 29240, 318434, B23P 1904, B23P 2100

Patent

active

052050319

ABSTRACT:
A method and a device for tightening threaded joints includes applying torque on the joint by means of a power tool until a predetermined pretension level in the joint is reached, whereupon a controller 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.

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