Screw prestressing device and method

Details Screw prestressing device and method Screw prestressing device and method

2007-07-16

2010-12-28

Shakeri, Hadi (Department: 3727)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S055000, C081S470000

Reexamination Certificate

active

07856909

ABSTRACT:
A screw prestressing device having a piston and a draw pin structured and arranged to be disconnectably coupled to an element and movable, via the piston, to apply a defined prestressing force in the element.

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English language abstract of CH668932.
European search report in EP07012979 (with partial English language translation).
German Office Action dated Aug. 20, 2010 that issued with respect to patent family member German Patent Application No. 10-2006-033320.9.

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