Test device for determining the friction and prestress values of screwed connections
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United States of America Patent
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Nov 2, 2004
Grant Date -
Aug 7, 2003
app pub date -
Sep 18, 2002
filing date -
Feb 7, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A testing for screw connections, comprising a sensor carrier plate with sensors on both sides and being mounted on a base plate, whereby the sensors are sandwiched between a torque introduction plate and a torque sustaining plate, the sensors detecting separately both head and thread friction forces and a preload force.
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